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No files matched your search
@@ -1,34 +0,0 @@
|
||||
@echo off
|
||||
setlocal
|
||||
|
||||
:: Check for permissions
|
||||
>nul 2>&1 "%SYSTEMROOT%\system32\icacls.exe" "%SYSTEMROOT%\system32\config\system"
|
||||
|
||||
if %errorlevel% NEQ 0 goto NoAdmin
|
||||
goto gotAdmin
|
||||
|
||||
:NoAdmin
|
||||
echo You do not have administrator rights, please run this script as administrator.
|
||||
pause
|
||||
exit /B
|
||||
|
||||
:gotAdmin
|
||||
if exist "%temp%\getadmin.vbs" del "%temp%\getadmin.vbs"
|
||||
|
||||
set "script_dir=%~dp0"
|
||||
set "script_dir=%script_dir:~0,-1%"
|
||||
|
||||
bcdedit -debug on
|
||||
bcdedit /set testsigning on
|
||||
bcdedit /deletevalue {current} safeboot
|
||||
|
||||
powershell.exe -ExecutionPolicy Bypass -Command ^
|
||||
"$endDate = (Get-Date).AddYears(100); ^
|
||||
$cert = New-SelfSignedCertificate -DnsName PYAS -CertStoreLocation cert:\LocalMachine\My -Type CodeSigning -NotAfter $endDate; ^
|
||||
$pwd = ConvertTo-SecureString -String 'PYAS' -Force -AsPlainText; ^
|
||||
Export-PfxCertificate -Cert $cert -FilePath '%script_dir%\PYAS.pfx' -Password $pwd;"
|
||||
"%script_dir%\signtool.exe" sign /f "%script_dir%\PYAS.pfx" /p PYAS "%script_dir%\PYAS_Driver.sys"
|
||||
sc create PYAS_Driver type= kernel start= demand binPath= "%script_dir%\PYAS_Driver.sys"
|
||||
|
||||
shutdown -r -t 0
|
||||
endlocal
|
||||
Whitespace-only changes.
Binary file not shown.
@@ -1,25 +0,0 @@
|
||||
@echo off
|
||||
setlocal
|
||||
|
||||
:: Check for permissions
|
||||
>nul 2>&1 "%SYSTEMROOT%\system32\icacls.exe" "%SYSTEMROOT%\system32\config\system"
|
||||
|
||||
if %errorlevel% NEQ 0 goto NoAdmin
|
||||
goto gotAdmin
|
||||
|
||||
:NoAdmin
|
||||
echo You do not have administrator rights, please run this script as administrator.
|
||||
pause
|
||||
exit /B
|
||||
|
||||
:gotAdmin
|
||||
if exist "%temp%\getadmin.vbs" del "%temp%\getadmin.vbs"
|
||||
|
||||
sc stop PYAS_Driver
|
||||
sc delete PYAS_Driver
|
||||
|
||||
bcdedit /set testsigning off
|
||||
bcdedit -debug off
|
||||
|
||||
shutdown -r -t 0
|
||||
endlocal
|
||||
Binary file not shown.
@@ -1,8 +1,8 @@
|
||||
import "pe"
|
||||
|
||||
rule PYAS_Rules_A_1 {
|
||||
rule General_1 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_1"
|
||||
description = "1"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -57,9 +57,9 @@ rule PYAS_Rules_A_1 {
|
||||
1 of ($x*) and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_2 {
|
||||
rule General_2 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_2"
|
||||
description = "2"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -82,9 +82,9 @@ rule PYAS_Rules_A_2 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_3 {
|
||||
rule General_3 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_3"
|
||||
description = "3"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -106,7 +106,7 @@ rule PYAS_Rules_A_3 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_4 {
|
||||
rule General_4 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A4"
|
||||
author = "PYAS Security"
|
||||
@@ -124,9 +124,9 @@ rule PYAS_Rules_A_4 {
|
||||
($x1 and $x2) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_5 {
|
||||
rule General_5 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_5"
|
||||
description = "5"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -147,9 +147,9 @@ rule PYAS_Rules_A_5 {
|
||||
$x1 and 3 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_6 {
|
||||
rule General_6 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_6"
|
||||
description = "6"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -214,9 +214,9 @@ rule PYAS_Rules_A_6 {
|
||||
1 of ($x*) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_7 {
|
||||
rule General_7 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_462"
|
||||
description = "7"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -247,9 +247,9 @@ rule PYAS_Rules_A_7 {
|
||||
10 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_8 {
|
||||
rule General_8 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_8"
|
||||
description = "8"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -278,9 +278,9 @@ rule PYAS_Rules_A_8 {
|
||||
2 of ($x*) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_9 {
|
||||
rule General_9 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_9"
|
||||
description = "9"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -303,9 +303,9 @@ rule PYAS_Rules_A_9 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_10 {
|
||||
rule General_10 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_10"
|
||||
description = "10"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -329,9 +329,9 @@ rule PYAS_Rules_A_10 {
|
||||
($x1 and $x2) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_11 {
|
||||
rule General_11 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_11"
|
||||
description = "11"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -349,9 +349,9 @@ rule PYAS_Rules_A_11 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_12 {
|
||||
rule General_12 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_12"
|
||||
description = "12"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -376,9 +376,9 @@ rule PYAS_Rules_A_12 {
|
||||
1 of ($x*) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_13 {
|
||||
rule General_13 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_13"
|
||||
description = "13"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -404,9 +404,9 @@ rule PYAS_Rules_A_13 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_14 {
|
||||
rule General_14 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_14"
|
||||
description = "14"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -430,9 +430,9 @@ rule PYAS_Rules_A_14 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_15 {
|
||||
rule General_15 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_15"
|
||||
description = "15"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -459,9 +459,9 @@ rule PYAS_Rules_A_15 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_16 {
|
||||
rule General_16 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_16"
|
||||
description = "16"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -485,9 +485,9 @@ rule PYAS_Rules_A_16 {
|
||||
($x1 and $x2) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_17 {
|
||||
rule General_17 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_17"
|
||||
description = "17"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -508,9 +508,9 @@ rule PYAS_Rules_A_17 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_18 {
|
||||
rule General_18 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_18"
|
||||
description = "18"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -531,9 +531,9 @@ rule PYAS_Rules_A_18 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_19 {
|
||||
rule General_19 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_19"
|
||||
description = "19"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -560,9 +560,9 @@ rule PYAS_Rules_A_19 {
|
||||
($x1 and $x2) and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_20 {
|
||||
rule General_20 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_20"
|
||||
description = "20"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -589,9 +589,9 @@ rule PYAS_Rules_A_20 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_21 {
|
||||
rule General_21 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_21"
|
||||
description = "21"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -616,9 +616,9 @@ rule PYAS_Rules_A_21 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_22 {
|
||||
rule General_22 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_22"
|
||||
description = "22"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -635,10 +635,9 @@ rule PYAS_Rules_A_22 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
import "pe"
|
||||
rule PYAS_Rules_A_23 {
|
||||
rule General_23 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_23"
|
||||
description = "23"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -658,10 +657,9 @@ rule PYAS_Rules_A_23 {
|
||||
7 of them
|
||||
}
|
||||
|
||||
import "pe"
|
||||
rule PYAS_Rules_A_24 {
|
||||
rule General_24 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_24"
|
||||
description = "24"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -688,9 +686,9 @@ rule PYAS_Rules_A_24 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_25 {
|
||||
rule General_25 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_25"
|
||||
description = "25"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -716,9 +714,9 @@ rule PYAS_Rules_A_25 {
|
||||
$x1 and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_26 {
|
||||
rule General_26 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_26"
|
||||
description = "26"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -742,9 +740,9 @@ rule PYAS_Rules_A_26 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_27 {
|
||||
rule General_27 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_27"
|
||||
description = "27"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -768,42 +766,37 @@ rule PYAS_Rules_A_27 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_28 {
|
||||
rule General_28 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_28"
|
||||
description = "28"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
$s1 = "GNU C11 6.3.0" ascii
|
||||
$s2 = "GCC: (MinGW.org GCC-6.3.0-1) 6.3.0" fullword ascii
|
||||
$s3 = "___mingw_readdir" fullword ascii
|
||||
$s4 = "___mingw_closedir" fullword ascii
|
||||
$s5 = "___mingw_seekdir" fullword ascii
|
||||
$s6 = "%d is not a prime number." fullword ascii
|
||||
$s7 = "___mingw_rewinddir" fullword ascii
|
||||
$s8 = "__mingw32_init_mainargs" fullword ascii
|
||||
$s9 = "___mingw_telldir" fullword ascii
|
||||
$s10 = "Enter an integer: " fullword ascii
|
||||
$s11 = "___mingw_opendir" fullword ascii
|
||||
$s12 = "/home/keith/" ascii
|
||||
$s13 = "../../../src/gcc-6.3.0/libgcc" ascii
|
||||
$s14 = "___mingw_dirname" fullword ascii
|
||||
$s15 = "_isPrime`" fullword ascii
|
||||
$s16 = "%d is a prime number." fullword ascii
|
||||
$s17 = ".weak.__Jv_RegisterClasses.___EH_FRAME_BEGIN__" fullword ascii
|
||||
$s18 = "-mtune=generic" ascii
|
||||
$s19 = "-march=i586" ascii
|
||||
$s20 = "-g -g -g -O2 -O2 -O2" ascii
|
||||
$s21 = "-fbuilding-libgcc" ascii
|
||||
$s22 = "-fno-stack-protector" ascii
|
||||
$x1 = "schemas.microsoft.com" wide
|
||||
$x2 = "Client Worker Thread" ascii
|
||||
$s1 = "A6BFEA43-501F-456F-A845-983D3AD7B8F0" wide
|
||||
$s2 = "upgrader" wide
|
||||
$s3 = "rtvscan.exe" wide
|
||||
$s4 = "Enable-WindowsOptionalFeature -FeatureName" wide
|
||||
$s5 = "remupd.exe" fullword wide
|
||||
$s6 = "Mcshield.exe" fullword wide
|
||||
$s7 = "mssecess.exe" fullword wide
|
||||
$s8 = "RavMonD.exe" fullword wide
|
||||
$s9 = "KvMonXP.exe" fullword wide
|
||||
$s10 = "baiduSafeTray.exe" fullword wide
|
||||
$s11 = "Qavanijeb.exe" fullword wide
|
||||
$s12 = "%s --> Error: %d, EC: %d" fullword ascii
|
||||
$s13 = "wscript.exe //E:vbscript" wide
|
||||
$s14 = "upgrader_64" wide
|
||||
$s15 = "Process Data Error" fullword wide
|
||||
condition:
|
||||
uint16(0) == 0x5a4d and filesize < 500KB and
|
||||
8 of them
|
||||
uint16(0) == 0x5a4d and filesize < 1000KB and
|
||||
1 of ($x*) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_29 {
|
||||
rule General_29 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_29"
|
||||
description = "29"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -837,9 +830,9 @@ rule PYAS_Rules_A_29 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_30 {
|
||||
rule General_30 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_30"
|
||||
description = "30"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -858,9 +851,9 @@ rule PYAS_Rules_A_30 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_31 {
|
||||
rule General_31 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_31"
|
||||
description = "31"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -878,9 +871,9 @@ rule PYAS_Rules_A_31 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_32 {
|
||||
rule General_32 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_32"
|
||||
description = "32"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -909,9 +902,9 @@ rule PYAS_Rules_A_32 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_33 {
|
||||
rule General_33 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_33"
|
||||
description = "33"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -937,9 +930,9 @@ rule PYAS_Rules_A_33 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_34 {
|
||||
rule General_34 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_30"
|
||||
description = "34"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -965,9 +958,9 @@ rule PYAS_Rules_A_34 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_35 {
|
||||
rule General_35 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_35"
|
||||
description = "35"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -996,9 +989,9 @@ rule PYAS_Rules_A_35 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_36 {
|
||||
rule General_36 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_36"
|
||||
description = "36"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1023,9 +1016,9 @@ rule PYAS_Rules_A_36 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_37 {
|
||||
rule General_37 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_37"
|
||||
description = "37"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1053,9 +1046,9 @@ rule PYAS_Rules_A_37 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_38 {
|
||||
rule General_38 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_38"
|
||||
description = "38"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1083,9 +1076,9 @@ rule PYAS_Rules_A_38 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_39 {
|
||||
rule General_39 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_39"
|
||||
description = "39"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1104,9 +1097,9 @@ rule PYAS_Rules_A_39 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_40 {
|
||||
rule General_40 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_40"
|
||||
description = "40"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1136,9 +1129,9 @@ rule PYAS_Rules_A_40 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_41 {
|
||||
rule General_41 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_41"
|
||||
description = "41"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1160,9 +1153,9 @@ rule PYAS_Rules_A_41 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_42 {
|
||||
rule General_42 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_42"
|
||||
description = "42"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1182,9 +1175,9 @@ rule PYAS_Rules_A_42 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_43 {
|
||||
rule General_43 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_43"
|
||||
description = "43"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1209,9 +1202,9 @@ rule PYAS_Rules_A_43 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_44 {
|
||||
rule General_44 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_44"
|
||||
description = "44"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1239,9 +1232,9 @@ rule PYAS_Rules_A_44 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_45 {
|
||||
rule General_45 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_45"
|
||||
description = "45"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1268,9 +1261,9 @@ rule PYAS_Rules_A_45 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_46 {
|
||||
rule General_46 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_46"
|
||||
description = "46"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1298,9 +1291,9 @@ rule PYAS_Rules_A_46 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_47 {
|
||||
rule General_47 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_47"
|
||||
description = "47"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1329,9 +1322,9 @@ rule PYAS_Rules_A_47 {
|
||||
1 of ($x*) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_48 {
|
||||
rule General_48 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_48"
|
||||
description = "48"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1350,9 +1343,9 @@ rule PYAS_Rules_A_48 {
|
||||
2 of ($x*) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_49 {
|
||||
rule General_49 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_49"
|
||||
description = "49"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1378,9 +1371,9 @@ rule PYAS_Rules_A_49 {
|
||||
3 of ($x*) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_50 {
|
||||
rule General_50 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_50"
|
||||
description = "50"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1400,9 +1393,9 @@ rule PYAS_Rules_A_50 {
|
||||
$x1 and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_51 {
|
||||
rule General_51 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_51"
|
||||
description = "51"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1420,9 +1413,9 @@ rule PYAS_Rules_A_51 {
|
||||
1 of ($x*) and 4 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_52 {
|
||||
rule General_52 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_52"
|
||||
description = "52"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-13"
|
||||
strings:
|
||||
@@ -1444,31 +1437,3 @@ rule PYAS_Rules_A_52 {
|
||||
uint16(0) == 0x5a4d and filesize < 2000KB and
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_53 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_53"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
$x1 = "schemas.microsoft.com" wide
|
||||
$x2 = "Client Worker Thread" ascii
|
||||
$s1 = "A6BFEA43-501F-456F-A845-983D3AD7B8F0" wide
|
||||
$s2 = "upgrader" wide
|
||||
$s3 = "rtvscan.exe" wide
|
||||
$s4 = "Enable-WindowsOptionalFeature -FeatureName" wide
|
||||
$s5 = "remupd.exe" fullword wide
|
||||
$s6 = "Mcshield.exe" fullword wide
|
||||
$s7 = "mssecess.exe" fullword wide
|
||||
$s8 = "RavMonD.exe" fullword wide
|
||||
$s9 = "KvMonXP.exe" fullword wide
|
||||
$s10 = "baiduSafeTray.exe" fullword wide
|
||||
$s11 = "Qavanijeb.exe" fullword wide
|
||||
$s12 = "%s --> Error: %d, EC: %d" fullword ascii
|
||||
$s13 = "wscript.exe //E:vbscript" wide
|
||||
$s14 = "upgrader_64" wide
|
||||
$s15 = "Process Data Error" fullword wide
|
||||
condition:
|
||||
uint16(0) == 0x5a4d and filesize < 1000KB and
|
||||
1 of ($x*) and 6 of them
|
||||
}
|
||||
@@ -0,0 +1,55 @@
|
||||
from PIL import Image
|
||||
import numpy, os
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def preprocess_image(file_data, size, channels=1):
|
||||
width, height = size
|
||||
wah = int(numpy.ceil(numpy.sqrt(len(file_data) / channels)))
|
||||
arr = numpy.frombuffer(file_data, dtype=numpy.uint8)
|
||||
img = numpy.zeros(wah*wah*channels, dtype=numpy.uint8)
|
||||
img[:len(file_data)] = arr
|
||||
image = Image.fromarray(img.reshape((wah, wah)), 'L')
|
||||
return image.resize((width, height), Image.Resampling.NEAREST)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def get_type(file_path):
|
||||
suffix = {".com", ".dll", ".drv", ".exe", ".ocx", ".scr", ".sys", ".mui", ".cpl"}
|
||||
try:
|
||||
file_content = None
|
||||
if not os.path.splitext(file_path)[-1].lower() in suffix:
|
||||
return file_content
|
||||
with open(file_path, 'rb') as f:
|
||||
file_content = f.read()
|
||||
except:
|
||||
pass
|
||||
return file_content
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def file_to_images(input_dir, output_dir):
|
||||
for root, dirs, files in os.walk(input_dir):
|
||||
for file in files:
|
||||
try:
|
||||
file_path = os.path.join(root, file)
|
||||
file_content = get_type(file_path)
|
||||
if file_content:
|
||||
print(file_path)
|
||||
relative_path = os.path.relpath(root, input_dir)
|
||||
output_path_dir = os.path.join(output_dir, relative_path)
|
||||
|
||||
if not os.path.exists(output_path_dir):
|
||||
os.makedirs(output_path_dir)
|
||||
image = preprocess_image(file_content, (224, 224))
|
||||
safe_name = os.path.basename(file_path).replace('/', '_').replace('\\', '_')
|
||||
image.save(os.path.join(output_path_dir, f"{safe_name}.png"))
|
||||
except Exception as e:
|
||||
print(e)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
input_directory = input('Enter the folder path: ')
|
||||
output_directory = "./Image_Output"
|
||||
file_to_images(input_directory, output_directory)
|
||||
input('Conversion Complete')
|
||||
@@ -0,0 +1,34 @@
|
||||
import os, hashlib
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def calc_sha256(path):
|
||||
with open(path, "rb") as f:
|
||||
return hashlib.sha256(f.read()).digest()
|
||||
|
||||
def dedup_realtime(root):
|
||||
seen = set()
|
||||
deleted = 0
|
||||
for dirpath, _, files in os.walk(root):
|
||||
for name in files:
|
||||
p = os.path.join(dirpath, name)
|
||||
try:
|
||||
h = calc_sha256(p)
|
||||
except Exception:
|
||||
continue
|
||||
if h in seen:
|
||||
try:
|
||||
os.remove(p)
|
||||
print(p)
|
||||
deleted += 1
|
||||
except Exception:
|
||||
pass
|
||||
else:
|
||||
seen.add(h)
|
||||
print(f"deleted {deleted}")
|
||||
|
||||
####################################################################################################
|
||||
|
||||
if __name__ == "__main__":
|
||||
dedup_realtime(input("Input file path: "))
|
||||
input('Deduplicate Complete')
|
||||
@@ -0,0 +1,165 @@
|
||||
import tensorflow as tf
|
||||
import os, tf2onnx, numpy, random
|
||||
from PIL import Image
|
||||
from tensorflow.keras import *
|
||||
from collections import Counter
|
||||
|
||||
####################################################################################################
|
||||
|
||||
Image.MAX_IMAGE_PIXELS = None
|
||||
tf.keras.mixed_precision.set_global_policy('mixed_float16')
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def load_dataset(data_dir, image_size=(224, 224), val_split=0.0001, batch_size=256, color_mode="grayscale"):
|
||||
channels = 1 if color_mode == "grayscale" else 3
|
||||
file_paths, labels, class_indices = get_file_list(data_dir)
|
||||
|
||||
combined = list(zip(file_paths, labels))
|
||||
random.shuffle(combined)
|
||||
file_paths[:], labels[:] = zip(*combined)
|
||||
|
||||
num_val = int(val_split * len(file_paths))
|
||||
train_files = file_paths[num_val:]
|
||||
train_labels = labels[num_val:]
|
||||
val_files = file_paths[:num_val]
|
||||
val_labels = labels[:num_val]
|
||||
|
||||
train_ds = tf.data.Dataset.from_tensor_slices((train_files, train_labels))
|
||||
train_ds = train_ds.map(lambda f, l: parse_fn(f, l, image_size, channels), num_parallel_calls=tf.data.AUTOTUNE)
|
||||
train_ds = train_ds.batch(batch_size).prefetch(tf.data.AUTOTUNE)
|
||||
|
||||
val_ds = tf.data.Dataset.from_tensor_slices((val_files, val_labels))
|
||||
val_ds = val_ds.map(lambda f, l: parse_fn(f, l, image_size, channels), num_parallel_calls=tf.data.AUTOTUNE)
|
||||
val_ds = val_ds.batch(batch_size).prefetch(tf.data.AUTOTUNE)
|
||||
|
||||
train_ds.class_indices = class_indices
|
||||
return train_ds, val_ds
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def parse_fn(filename, label, image_size, channels):
|
||||
img = tf.io.read_file(filename)
|
||||
img = tf.image.decode_image(img, channels=channels, expand_animations=False)
|
||||
img = tf.cond(tf.reduce_all(tf.equal(tf.shape(img)[:2], image_size)), lambda: tf.cast(img, tf.float32), lambda: tf.image.resize(img, image_size))
|
||||
img = tf.cast(img, tf.float32) / 255.0
|
||||
label = tf.cast(label, tf.float32)
|
||||
return img, label
|
||||
|
||||
def get_file_list(directory):
|
||||
file_paths, labels, class_indices = [], [], {}
|
||||
for i, cls in enumerate(sorted([d for d in os.listdir(directory) if os.path.isdir(os.path.join(directory, d))])):
|
||||
class_indices[cls] = i
|
||||
cls_dir = os.path.join(directory, cls)
|
||||
|
||||
for root, _, files in os.walk(cls_dir):
|
||||
for file in files:
|
||||
if file.lower().endswith(('.jpg', '.jpeg', '.png', '.bmp', '.gif')):
|
||||
file_paths.append(os.path.join(root, file))
|
||||
labels.append(i)
|
||||
return file_paths, labels, class_indices
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def multi_conv(x, strides):
|
||||
convs = []
|
||||
for k in [(1, 7), (1, 1), (3, 3), (5, 5)]:
|
||||
c = layers.DepthwiseConv2D(kernel_size=k, strides=strides, padding='same', activation='gelu')(x)
|
||||
convs.append(c)
|
||||
|
||||
x = layers.Concatenate()(convs)
|
||||
x = layers.BatchNormalization()(x)
|
||||
return layers.Activation('gelu')(x)
|
||||
|
||||
def gated_conv(x, strides):
|
||||
c = layers.DepthwiseConv2D(3, strides=strides, padding='same', activation='gelu')(x)
|
||||
g = layers.DepthwiseConv2D(3, strides=strides, padding='same', activation='sigmoid')(x)
|
||||
return layers.Multiply()([c, g])
|
||||
|
||||
def coordinate_attention(x, reduction):
|
||||
input_shape = tf.shape(x)
|
||||
h, w = input_shape[1], input_shape[2]
|
||||
filters = x.shape[-1]
|
||||
mip = max(8, filters // reduction)
|
||||
|
||||
x_h = layers.Lambda(lambda t: tf.reduce_mean(t, axis=2, keepdims=True))(x)
|
||||
x_w = layers.Lambda(lambda t: tf.reduce_mean(t, axis=1, keepdims=True))(x)
|
||||
x_w_t = layers.Permute((2, 1, 3))(x_w)
|
||||
|
||||
x_cat = layers.Concatenate(axis=1)([x_h, x_w_t])
|
||||
x_cat = layers.Conv2D(mip, 1, padding='valid', use_bias=False)(x_cat)
|
||||
x_cat = layers.BatchNormalization()(x_cat)
|
||||
x_cat = layers.Activation('gelu')(x_cat)
|
||||
|
||||
x_cat_h, x_cat_w = layers.Lambda(lambda t: tf.split(t[0], [t[1], t[2]], axis=1))([x_cat, h, w])
|
||||
x_h_sigmoid = layers.Conv2D(filters, 1, padding='valid', activation='sigmoid')(x_cat_h)
|
||||
x_cat_w = layers.Permute((2, 1, 3))(x_cat_w)
|
||||
x_w_sigmoid = layers.Conv2D(filters, 1, padding='valid', activation='sigmoid')(x_cat_w)
|
||||
|
||||
return layers.Multiply()([x, x_h_sigmoid, x_w_sigmoid])
|
||||
|
||||
def build_model(input_shape):
|
||||
i = layers.Input(shape=input_shape)
|
||||
x = multi_conv(i, strides=1)
|
||||
x = gated_conv(x, strides=2)
|
||||
x = multi_conv(x, strides=2)
|
||||
x = multi_conv(x, strides=2)
|
||||
x = multi_conv(x, strides=2)
|
||||
x = multi_conv(x, strides=2)
|
||||
|
||||
x = coordinate_attention(x, reduction=4)
|
||||
x = layers.GlobalMaxPooling2D()(x)
|
||||
|
||||
x = layers.Dense(x.shape[-1] // 2, activation='gelu', dtype='float32')(x)
|
||||
o = layers.Dense(1, activation='sigmoid', dtype='float32')(x)
|
||||
return models.Model(i, o)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def calculate_lr_cosine_sq(epoch, total_epochs=30, lr_start=5e-4, lr_end=5e-7):
|
||||
cos_val = 0.5 * (1 + numpy.cos(epoch / total_epochs * numpy.pi))
|
||||
return lr_end + (lr_start - lr_end) * (cos_val ** 2)
|
||||
|
||||
def lr_scheduler(epoch):
|
||||
return calculate_lr_cosine_sq(epoch)
|
||||
|
||||
def binary_focal_loss(gamma=2.0, alpha=0.25):
|
||||
def focal_loss(y_true, y_pred):
|
||||
y_true = tf.cast(y_true, tf.float32)
|
||||
y_pred = tf.clip_by_value(y_pred, tf.keras.backend.epsilon(), 1.0 - tf.keras.backend.epsilon())
|
||||
p_t = tf.where(tf.equal(y_true, 1), y_pred, 1 - y_pred)
|
||||
alpha_t = tf.where(tf.equal(y_true, 1), alpha, 1 - alpha)
|
||||
loss = -alpha_t * tf.math.pow(1.0 - p_t, gamma) * tf.math.log(p_t)
|
||||
return tf.reduce_mean(loss)
|
||||
return focal_loss
|
||||
|
||||
class CustomModelCheckpoint(callbacks.Callback):
|
||||
def on_epoch_end(self, epoch, logs=False):
|
||||
models.save_model(self.model, f"PYAS_Model_Epoch_{epoch + 1}.h5")
|
||||
spec = (tf.TensorSpec((None,) + self.model.input.shape[1:], tf.float32),)
|
||||
model_proto, _ = tf2onnx.convert.from_keras(self.model, input_signature=spec, opset=17)
|
||||
with open(f"PYAS_Model_Epoch_{epoch + 1}.onnx", "wb") as f:
|
||||
f.write(model_proto.SerializeToString())
|
||||
|
||||
####################################################################################################
|
||||
|
||||
train_ds, val_ds = load_dataset(r'.\Image_Full_Pefile')
|
||||
for imgs, _ in train_ds.take(1):
|
||||
train_ds.image_shape = imgs.shape[1:]
|
||||
break
|
||||
|
||||
try:
|
||||
model = models.load_model('PYAS_Model_Epoch_0.h5', compile=False)
|
||||
print("Load model from disk")
|
||||
except:
|
||||
print("Creating a new model")
|
||||
model = build_model(train_ds.image_shape)
|
||||
|
||||
print(f"Total parameters: {model.count_params()}")
|
||||
model.compile(optimizer='adam', loss=binary_focal_loss(gamma=2.0, alpha=0.25),
|
||||
metrics=[metrics.BinaryAccuracy(name='accuracy'), metrics.AUC(name='auc'),
|
||||
metrics.Precision(name='precision'), metrics.Recall(name='recall'),
|
||||
metrics.FalsePositives(name='fp'), metrics.TrueNegatives(name='tn')])
|
||||
|
||||
model.fit(train_ds, epochs=30, callbacks=[CustomModelCheckpoint(), callbacks.LearningRateScheduler(lr_scheduler)], validation_data=val_ds, class_weight={0: 10.0, 1: 1.0})
|
||||
input('Training Complete')
|
||||
@@ -0,0 +1,513 @@
|
||||
import os, sys, time, ctypes, sqlite3, datetime, pefile, math
|
||||
import numpy as np
|
||||
import ctypes.wintypes
|
||||
|
||||
####################################################################################################
|
||||
|
||||
DB_PATH = "pe_features.db"
|
||||
BATCH_SIZE = 100
|
||||
MAX_FILE_SIZE = 256 * 1024 * 1024
|
||||
TARGET_EXTENSIONS = {
|
||||
'.exe', '.dll', '.sys', '.ocx', '.scr', '.efi', '.acm', '.ax', '.cpl', '.drv', '.com'
|
||||
}
|
||||
|
||||
####################################################################################################
|
||||
|
||||
class Features:
|
||||
SCHEMA = [
|
||||
"FileEntropy", "IsExe", "IsDll", "IsDriver", "Is64Bit", "Machine", "Magic",
|
||||
"TimeDateStamp", "CheckSum", "ImageBase", "SizeOfImage", "SizeOfHeaders",
|
||||
"Characteristics", "DllCharacteristics", "Subsystem", "LoaderFlags",
|
||||
"MajorLinkerVersion", "MinorLinkerVersion", "SizeOfCode",
|
||||
"SizeOfInitializedData", "SizeOfUninitializedData", "AddressOfEntryPoint",
|
||||
"BaseOfCode", "SectionAlignment", "FileAlignment",
|
||||
"MajorOperatingSystemVersion", "MinorOperatingSystemVersion",
|
||||
"MajorImageVersion", "MinorImageVersion",
|
||||
"MajorSubsystemVersion", "MinorSubsystemVersion",
|
||||
"SizeOfStackReserve", "SizeOfStackCommit", "SizeOfHeapReserve", "SizeOfHeapCommit",
|
||||
"NumberOfSections", "NumberOfRvaAndSizes", "PointerToSymbolTable", "NumberOfSymbols",
|
||||
"SizeOfOptionalHeader",
|
||||
|
||||
"TextSection", "TextSizeRatio", "DataSection", "DataSizeRatio",
|
||||
"RsrcSection", "RsrcSizeRatio", "SectionCount", "ExecutableSections",
|
||||
"WritableSections", "ReadableSections", "SectionException",
|
||||
"IconCount", "ApiCount", "ExportCount", "DebugCount", "ExceptionCount",
|
||||
"FileDescriptionLength", "FileVersionLength", "ProductNameLength",
|
||||
"ProductVersionLength", "CompanyNameLength", "LegalCopyrightLength",
|
||||
"CommentsLength", "InternalNameLength", "LegalTrademarksLength",
|
||||
"SpecialBuildLength", "PrivateBuildLength",
|
||||
|
||||
"TrustSigned", "IsDebug", "IsPatched", "IsPrivateBuild", "IsPreRelease",
|
||||
"IsSpecialBuild", "IsAdmin", "IsInstall", "HasTlsCallbacks",
|
||||
"HasInvalidTimestamp", "HasRelocationDirectory", "HasPacked", "FileTimeException",
|
||||
|
||||
"_CorExeMain", "_CorDllMain",
|
||||
|
||||
"GetDC", "CreateDCW", "CreateDCA", "BitBlt", "StretchBlt", "CreateCompatibleDC",
|
||||
"CreateCompatibleBitmap", "SelectObject", "DeleteDC", "DeleteObject", "GetDeviceCaps",
|
||||
"GetSystemMetrics",
|
||||
|
||||
"SetWindowsHookExA", "SetWindowsHookExW", "UnhookWindowsHookEx",
|
||||
"GetAsyncKeyState", "GetKeyState", "GetKeyboardState",
|
||||
"MapVirtualKeyA", "MapVirtualKeyW", "MapVirtualKeyExA", "MapVirtualKeyExW",
|
||||
"ToAscii", "ToAsciiEx", "ToUnicode", "ToUnicodeEx", "KeybdEvent", "SendInput",
|
||||
|
||||
"GetCursorPos", "SetCursorPos", "MouseEvent", "GetDoubleClickTime",
|
||||
"GetCapture", "SetCapture",
|
||||
|
||||
"WaveInOpen", "WaveInClose", "WaveInStart", "WaveInStop",
|
||||
"CapCreateCaptureWindowA", "CapCreateCaptureWindowW",
|
||||
"OpenClipboard", "CloseClipboard", "GetClipboardData", "SetClipboardData",
|
||||
|
||||
"GetDesktopWindow", "GetForegroundWindow", "GetWindowDC", "GetWindowRect",
|
||||
"GetClientRect", "PrintWindow", "SetWindowDisplayAffinity", "FindWindowA", "FindWindowW",
|
||||
"EnumWindows", "EnumChildWindows",
|
||||
|
||||
"Direct3DCreate9", "D3D11CreateDevice", "GdipSaveImageToFile",
|
||||
|
||||
"CreateProcessA", "CreateProcessW", "CreateThread", "ResumeThread", "SuspendThread",
|
||||
"OpenProcess", "TerminateProcess", "GetCurrentProcess", "GetCurrentProcessId",
|
||||
"ExitProcess", "WinExec", "ShellExecuteA", "ShellExecuteW",
|
||||
|
||||
"CreateRemoteThread", "QueueUserAPC", "VirtualAlloc", "VirtualAllocEx",
|
||||
"VirtualProtect", "VirtualProtectEx", "WriteProcessMemory", "ReadProcessMemory",
|
||||
"NtUnmapViewOfSection", "SetThreadContext", "GetThreadContext", "Wow64SetThreadContext",
|
||||
"ZwUnmapViewOfSection", "CreateFileMappingA", "CreateFileMappingW", "MapViewOfFile",
|
||||
"UnmapViewOfSection",
|
||||
|
||||
"LoadLibraryA", "LoadLibraryW", "LoadLibraryExA", "LoadLibraryExW",
|
||||
"GetProcAddress", "GetModuleHandleA", "GetModuleHandleW", "FreeLibrary",
|
||||
|
||||
"CreateFileA", "CreateFileW", "WriteFile", "ReadFile", "DeleteFileA", "DeleteFileW",
|
||||
"CopyFileA", "CopyFileW", "MoveFileA", "MoveFileW", "FindFirstFileA", "FindNextFileA",
|
||||
"GetTempPathA", "GetTempPathW", "GetTempFileNameA", "GetTempFileNameW",
|
||||
"SetFileAttributesA", "SetFileAttributesW", "DeviceIoControl", "SetFileTime",
|
||||
|
||||
"RegOpenKeyExA", "RegOpenKeyExW", "RegSetValueExA", "RegSetValueExW",
|
||||
"RegCreateKeyExA", "RegCreateKeyExW", "RegDeleteKeyA", "RegDeleteKeyW",
|
||||
"RegEnumValueA", "RegEnumValueW", "RegQueryValueExA", "RegQueryValueExW",
|
||||
"RegDeleteValueA", "RegDeleteValueW",
|
||||
|
||||
"OpenSCManagerA", "OpenSCManagerW", "CreateServiceA", "CreateServiceW",
|
||||
"StartServiceA", "StartServiceW", "ControlService", "DeleteService",
|
||||
|
||||
"AdjustTokenPrivileges", "LookupPrivilegeValueA", "LookupPrivilegeValueW",
|
||||
"OpenProcessToken", "NetUserAdd", "NetLocalGroupAddMembers",
|
||||
|
||||
"Socket", "Connect", "Send", "Recv", "WSAStartup", "gethostbyname", "getaddrinfo",
|
||||
"WSAIoctl", "WSASocketA", "WSASocketW",
|
||||
"URLDownloadToFileA", "URLDownloadToFileW",
|
||||
"InternetOpenA", "InternetOpenW", "InternetConnectA", "InternetConnectW",
|
||||
"InternetOpenUrlA", "InternetOpenUrlW",
|
||||
"HttpOpenRequestA", "HttpOpenRequestW", "HttpSendRequestA", "HttpSendRequestW",
|
||||
"InternetReadFile", "DnsQuery_A", "DnsQuery_W",
|
||||
|
||||
"IsDebuggerPresent", "CheckRemoteDebuggerPresent", "OutputDebugStringA", "OutputDebugStringW",
|
||||
"GetTickCount", "QueryPerformanceCounter", "Sleep", "GetSystemTimeAsFileTime",
|
||||
"GetLocalTime", "GlobalMemoryStatus", "GetVersionExA", "GetVersionExW",
|
||||
"GetComputerNameA", "GetComputerNameW", "GetUserNameA", "GetUserNameW",
|
||||
|
||||
"CryptAcquireContextA", "CryptAcquireContextW", "CryptCreateHash", "CryptHashData",
|
||||
"CryptDeriveKey", "CryptEncrypt", "CryptDecrypt", "CryptDestroyKey", "CryptDestroyHash",
|
||||
"CryptReleaseContext", "CryptGenKey", "CryptImportKey", "CryptExportKey",
|
||||
"RtlDecompressBuffer", "ConnectNamedPipe", "PeekNamedPipe"
|
||||
]
|
||||
|
||||
SCHEMA_SET = set(SCHEMA)
|
||||
PACKERS = {
|
||||
'upx', 'aspack', 'asprotect', 'pecompact', 'upack', 'fsg', 'mew',
|
||||
'mpress', 'ezip', 'pklt', 'shrink', 'petite', 'telock',
|
||||
|
||||
'themida', 'winlicense', 'tmd', 'vmp', 'enigma', 'obsidium',
|
||||
'pelock', 'exestealth', 'yoda', 'armadillo', 'zprotect',
|
||||
'sforce', 'starforce', 'qihoo', 'wisevec', 'megastop',
|
||||
}
|
||||
INSTALLER_SIGS = [b"Nullsoft.NSIS", b"Inno Setup", b"7-Zip.7zip", b"InstallShield"]
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def verify_signature(file_path):
|
||||
if os.name != 'nt':
|
||||
return 0
|
||||
try:
|
||||
wintrust = ctypes.windll.wintrust
|
||||
WINTRUST_ACTION_GENERIC_VERIFY_V2 = ctypes.c_char_p(b'\x6b\xc5\xaa\x00\x44\xcd\xd0\x11\x8c\xc2\x00\xc0\x4f\xc2\x95\xee')
|
||||
|
||||
class WINTRUST_FILE_INFO(ctypes.Structure):
|
||||
_fields_ = [
|
||||
("cbStruct", ctypes.wintypes.DWORD),
|
||||
("pcwszFilePath", ctypes.wintypes.LPCWSTR),
|
||||
("hFile", ctypes.wintypes.HANDLE),
|
||||
("pgKnownSubject", ctypes.wintypes.LPVOID)
|
||||
]
|
||||
|
||||
class WINTRUST_DATA(ctypes.Structure):
|
||||
_fields_ = [
|
||||
("cbStruct", ctypes.wintypes.DWORD),
|
||||
("pPolicyCallbackData", ctypes.wintypes.LPVOID),
|
||||
("pSIPClientData", ctypes.wintypes.LPVOID),
|
||||
("dwUIChoice", ctypes.wintypes.DWORD),
|
||||
("fdwRevocationChecks", ctypes.wintypes.DWORD),
|
||||
("dwUnionChoice", ctypes.wintypes.DWORD),
|
||||
("pFile", ctypes.POINTER(WINTRUST_FILE_INFO)),
|
||||
("dwStateAction", ctypes.wintypes.DWORD),
|
||||
("hWVTStateData", ctypes.wintypes.HANDLE),
|
||||
("pwszURLReference", ctypes.wintypes.LPCWSTR),
|
||||
("dwProvFlags", ctypes.wintypes.DWORD),
|
||||
("dwUIContext", ctypes.wintypes.DWORD),
|
||||
("pSignatureSettings", ctypes.wintypes.LPVOID)
|
||||
]
|
||||
|
||||
fi = WINTRUST_FILE_INFO(ctypes.sizeof(WINTRUST_FILE_INFO), file_path, None, None)
|
||||
td = WINTRUST_DATA(ctypes.sizeof(WINTRUST_DATA), None, None, 2, 1, 1, ctypes.pointer(fi), 0, None, None, 0x00000080, 0, None)
|
||||
action = ctypes.wintypes.GUID.from_buffer_copy(WINTRUST_ACTION_GENERIC_VERIFY_V2)
|
||||
return 1 if wintrust.WinVerifyTrust(None, ctypes.byref(action), ctypes.byref(td)) == 0 else 0
|
||||
except:
|
||||
return 0
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def safe_float(val):
|
||||
try:
|
||||
f = float(val)
|
||||
if math.isinf(f) or math.isnan(f):
|
||||
return 0.0
|
||||
return f
|
||||
except:
|
||||
return 0.0
|
||||
|
||||
def process_single_file(file_path):
|
||||
def _calc_entropy(data):
|
||||
if not data:
|
||||
return 0.0
|
||||
arr = np.frombuffer(data, dtype=np.uint8)
|
||||
counts = np.bincount(arr, minlength=256)
|
||||
probs = counts[counts > 0] / len(arr)
|
||||
return float(-np.sum(probs * np.log2(probs)))
|
||||
|
||||
def _safe_div(n, d):
|
||||
return n / d if d > 0 else 0.0
|
||||
|
||||
try:
|
||||
fsize = os.path.getsize(file_path)
|
||||
if fsize == 0 or fsize > MAX_FILE_SIZE:
|
||||
return None
|
||||
except:
|
||||
return None
|
||||
|
||||
fts = {k: 0 for k in Features.SCHEMA}
|
||||
pe = None
|
||||
try:
|
||||
pe = pefile.PE(file_path, fast_load=True)
|
||||
|
||||
fts['TrustSigned'] = verify_signature(file_path)
|
||||
|
||||
fh = pe.FILE_HEADER
|
||||
fts['Machine'] = fh.Machine
|
||||
fts['NumberOfSections'] = fh.NumberOfSections
|
||||
fts['TimeDateStamp'] = fh.TimeDateStamp
|
||||
fts['PointerToSymbolTable'] = fh.PointerToSymbolTable
|
||||
fts['NumberOfSymbols'] = fh.NumberOfSymbols
|
||||
fts['SizeOfOptionalHeader'] = fh.SizeOfOptionalHeader
|
||||
fts['Characteristics'] = fh.Characteristics
|
||||
|
||||
curr_ts = datetime.datetime.utcnow().timestamp()
|
||||
fts['HasInvalidTimestamp'] = 1 if (fh.TimeDateStamp < 631152000 or fh.TimeDateStamp > curr_ts + 2592000) else 0
|
||||
|
||||
if hasattr(pe, 'OPTIONAL_HEADER'):
|
||||
op = pe.OPTIONAL_HEADER
|
||||
fts['Magic'] = op.Magic
|
||||
fts['MajorLinkerVersion'] = op.MajorLinkerVersion
|
||||
fts['MinorLinkerVersion'] = op.MinorLinkerVersion
|
||||
fts['SizeOfCode'] = op.SizeOfCode
|
||||
fts['SizeOfInitializedData'] = op.SizeOfInitializedData
|
||||
fts['SizeOfUninitializedData'] = op.SizeOfUninitializedData
|
||||
fts['AddressOfEntryPoint'] = op.AddressOfEntryPoint
|
||||
fts['BaseOfCode'] = op.BaseOfCode
|
||||
fts['ImageBase'] = op.ImageBase
|
||||
fts['SectionAlignment'] = op.SectionAlignment
|
||||
fts['FileAlignment'] = op.FileAlignment
|
||||
fts['MajorOperatingSystemVersion'] = op.MajorOperatingSystemVersion
|
||||
fts['MinorOperatingSystemVersion'] = op.MinorOperatingSystemVersion
|
||||
fts['MajorImageVersion'] = op.MajorImageVersion
|
||||
fts['MinorImageVersion'] = op.MinorImageVersion
|
||||
fts['MajorSubsystemVersion'] = op.MajorSubsystemVersion
|
||||
fts['MinorSubsystemVersion'] = op.MinorSubsystemVersion
|
||||
fts['SizeOfImage'] = op.SizeOfImage
|
||||
fts['SizeOfHeaders'] = op.SizeOfHeaders
|
||||
fts['CheckSum'] = op.CheckSum
|
||||
fts['Subsystem'] = op.Subsystem
|
||||
fts['DllCharacteristics'] = op.DllCharacteristics
|
||||
fts['SizeOfStackReserve'] = op.SizeOfStackReserve
|
||||
fts['SizeOfStackCommit'] = op.SizeOfStackCommit
|
||||
fts['SizeOfHeapReserve'] = op.SizeOfHeapReserve
|
||||
fts['SizeOfHeapCommit'] = op.SizeOfHeapCommit
|
||||
fts['LoaderFlags'] = op.LoaderFlags
|
||||
fts['NumberOfRvaAndSizes'] = op.NumberOfRvaAndSizes
|
||||
|
||||
fts['Is64Bit'] = 1 if fh.Machine == 0x8664 else 0
|
||||
fts['IsExe'] = 1 if pe.is_exe() else 0
|
||||
fts['IsDll'] = 1 if pe.is_dll() else 0
|
||||
fts['IsDriver'] = 1 if pe.is_driver() else 0
|
||||
|
||||
if len(op.DATA_DIRECTORY) > 9 and op.DATA_DIRECTORY[9].VirtualAddress > 0:
|
||||
fts['HasTlsCallbacks'] = 1
|
||||
if len(op.DATA_DIRECTORY) > 5 and op.DATA_DIRECTORY[5].Size > 0:
|
||||
fts['HasRelocationDirectory'] = 1
|
||||
|
||||
pe.parse_sections(pe.FILE_HEADER.NumberOfSections)
|
||||
|
||||
file_data = pe.get_memory_mapped_image()
|
||||
fts['FileEntropy'] = _calc_entropy(file_data)
|
||||
|
||||
fts['SectionCount'] = len(pe.sections)
|
||||
for section in pe.sections:
|
||||
try:
|
||||
name = section.Name.decode('ascii', 'ignore').strip('\x00')
|
||||
except:
|
||||
name = ""
|
||||
s_data = section.get_data()
|
||||
s_entropy = _calc_entropy(s_data)
|
||||
|
||||
if any(p in name.lower() for p in Features.PACKERS):
|
||||
fts['HasPacked'] = 1
|
||||
if section.Characteristics & 0x20000000:
|
||||
fts['ExecutableSections'] += 1
|
||||
if section.Characteristics & 0x80000000:
|
||||
fts['WritableSections'] += 1
|
||||
if section.Characteristics & 0x40000000:
|
||||
fts['ReadableSections'] += 1
|
||||
if section.SizeOfRawData + section.PointerToRawData > fsize:
|
||||
fts['SectionException'] = 1
|
||||
|
||||
ratio = _safe_div(section.SizeOfRawData, fsize)
|
||||
if name.startswith('.text'):
|
||||
fts['TextSection'] = s_entropy
|
||||
fts['TextSizeRatio'] = ratio
|
||||
elif name.startswith('.data'):
|
||||
fts['DataSection'] = s_entropy
|
||||
fts['DataSizeRatio'] = ratio
|
||||
elif name.startswith('.rsrc'):
|
||||
fts['RsrcSection'] = s_entropy
|
||||
fts['RsrcSizeRatio'] = ratio
|
||||
if b"requireAdministrator" in s_data:
|
||||
fts['IsAdmin'] = 1
|
||||
|
||||
for sig in Features.INSTALLER_SIGS:
|
||||
if sig in s_data:
|
||||
fts['IsInstall'] = 1
|
||||
break
|
||||
|
||||
pe.parse_data_directories(directories=[
|
||||
pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_IMPORT'],
|
||||
pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_EXPORT'],
|
||||
pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_RESOURCE'],
|
||||
pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_DEBUG']
|
||||
])
|
||||
|
||||
if hasattr(pe, 'DIRECTORY_ENTRY_IMPORT'):
|
||||
for entry in pe.DIRECTORY_ENTRY_IMPORT:
|
||||
for imp in entry.imports:
|
||||
fts['ApiCount'] += 1
|
||||
if not imp or not hasattr(imp, 'name') or not imp.name:
|
||||
continue
|
||||
try:
|
||||
name = imp.name.decode('ascii', 'ignore')
|
||||
if name in Features.SCHEMA_SET:
|
||||
fts[name] = 1
|
||||
except:
|
||||
pass
|
||||
|
||||
if hasattr(pe, 'DIRECTORY_ENTRY_EXPORT'):
|
||||
fts['ExportCount'] = len(pe.DIRECTORY_ENTRY_EXPORT.symbols)
|
||||
|
||||
if hasattr(pe, 'DIRECTORY_ENTRY_RESOURCE'):
|
||||
for entry in pe.DIRECTORY_ENTRY_RESOURCE.entries:
|
||||
if entry.id == 3 and hasattr(entry, 'directory'):
|
||||
fts['IconCount'] = len(entry.directory.entries)
|
||||
break
|
||||
|
||||
if hasattr(pe, 'DIRECTORY_ENTRY_DEBUG'):
|
||||
fts['DebugCount'] = len(pe.DIRECTORY_ENTRY_DEBUG)
|
||||
|
||||
for k in fts:
|
||||
fts[k] = safe_float(fts[k])
|
||||
|
||||
return fts
|
||||
|
||||
except Exception:
|
||||
return None
|
||||
finally:
|
||||
if pe:
|
||||
pe.close()
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def init_db():
|
||||
conn = sqlite3.connect(DB_PATH)
|
||||
conn.execute("PRAGMA synchronous = OFF")
|
||||
conn.execute("PRAGMA journal_mode = WAL")
|
||||
conn.execute("PRAGMA cache_size = 10000")
|
||||
cols = ", ".join([f"{c} REAL" for c in Features.SCHEMA])
|
||||
conn.execute(f"CREATE TABLE IF NOT EXISTS PeData ({cols}, Label INTEGER)")
|
||||
conn.commit()
|
||||
return conn
|
||||
|
||||
def prune_db_duplicates(conn):
|
||||
try:
|
||||
print("\n[*] Post-processing: Checking for and removing duplicate entries...")
|
||||
all_cols = ", ".join(Features.SCHEMA + ["Label"])
|
||||
|
||||
sql_count_before = "SELECT COUNT(*) FROM PeData"
|
||||
before = conn.execute(sql_count_before).fetchone()[0]
|
||||
|
||||
sql_dedup = f"""
|
||||
DELETE FROM PeData
|
||||
WHERE rowid NOT IN (
|
||||
SELECT MIN(rowid)
|
||||
FROM PeData
|
||||
GROUP BY {all_cols}
|
||||
)
|
||||
"""
|
||||
conn.execute(sql_dedup)
|
||||
conn.commit()
|
||||
|
||||
after = conn.execute(sql_count_before).fetchone()[0]
|
||||
removed = before - after
|
||||
|
||||
if removed > 0:
|
||||
print(f"[+] Deduplication complete. Removed {removed} duplicate rows.")
|
||||
print(" (Duplicates occur if the same file is scanned multiple times)")
|
||||
else:
|
||||
print("[+] Deduplication complete. No duplicates found.")
|
||||
|
||||
except Exception as e:
|
||||
print(f"[-] Deduplication Warning: {e}")
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def scan_and_save(conn, path, label):
|
||||
print(f"\n[*] Scanning: {path} (Label={label})")
|
||||
print(f"[*] Config: Max File Size = {MAX_FILE_SIZE/1024/1024:.0f} MB")
|
||||
|
||||
files = []
|
||||
print("[*] Walking directory tree...")
|
||||
if os.path.isfile(path):
|
||||
files.append(path)
|
||||
else:
|
||||
for r, _, fs in os.walk(path):
|
||||
for f in fs:
|
||||
if os.path.splitext(f)[1].lower() in TARGET_EXTENSIONS:
|
||||
files.append(os.path.join(r, f))
|
||||
|
||||
total = len(files)
|
||||
if total == 0:
|
||||
print("[-] No valid PE files found in this path.")
|
||||
return
|
||||
|
||||
print(f"[*] Found {total} files. Processing...")
|
||||
|
||||
batch = []
|
||||
count = 0
|
||||
errors = 0
|
||||
start_time = time.time()
|
||||
|
||||
placeholders = ",".join(["?"] * (len(Features.SCHEMA) + 1))
|
||||
sql = f"INSERT INTO PeData VALUES ({placeholders})"
|
||||
|
||||
try:
|
||||
for i, file_path in enumerate(files):
|
||||
res = process_single_file(file_path)
|
||||
|
||||
if res:
|
||||
vals = [res.get(c, 0.0) for c in Features.SCHEMA]
|
||||
vals.append(float(label))
|
||||
batch.append(tuple(vals))
|
||||
count += 1
|
||||
else:
|
||||
errors += 1
|
||||
|
||||
if len(batch) >= BATCH_SIZE:
|
||||
try:
|
||||
conn.executemany(sql, batch)
|
||||
conn.commit()
|
||||
batch = []
|
||||
except Exception as batch_err:
|
||||
print(f"\n[-] Batch Error: {batch_err}. Retrying strictly...")
|
||||
for row in batch:
|
||||
try:
|
||||
conn.execute(sql, row)
|
||||
except Exception:
|
||||
errors += 1
|
||||
count -= 1
|
||||
conn.commit()
|
||||
batch = []
|
||||
|
||||
elapsed = time.time() - start_time
|
||||
rate = (i + 1) / elapsed if elapsed > 0 else 0
|
||||
sys.stdout.write(f"\r[{i+1}/{total}] OK: {count} | Skip/Err: {errors} | {rate:.1f} files/s")
|
||||
sys.stdout.flush()
|
||||
|
||||
except KeyboardInterrupt:
|
||||
print("\n\n[-] Interrupted by user.")
|
||||
except Exception as e:
|
||||
print(f"\n[-] Unexpected Error: {e}")
|
||||
finally:
|
||||
if batch:
|
||||
print(f"\n[*] Saving remaining {len(batch)} items...")
|
||||
try:
|
||||
conn.executemany(sql, batch)
|
||||
conn.commit()
|
||||
except Exception as final_err:
|
||||
print(f"[-] Final Batch Error: {final_err}. Retrying strictly...")
|
||||
for row in batch:
|
||||
try:
|
||||
conn.execute(sql, row)
|
||||
except Exception:
|
||||
pass
|
||||
conn.commit()
|
||||
|
||||
print(f"\n[+] Scan finished/stopped. Total added: {count}")
|
||||
prune_db_duplicates(conn)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
if __name__ == "__main__":
|
||||
print("\n---------------- PE Dataset Builder v2.6 ----------------\n")
|
||||
print("Type 'exit' or 'q' at any prompt to quit.")
|
||||
|
||||
if os.path.exists(DB_PATH):
|
||||
print(f"[-] Note: If SCHEMA changed, please delete {DB_PATH} before running.")
|
||||
|
||||
conn = init_db()
|
||||
try:
|
||||
while True:
|
||||
print("\n---------------------------------------------------------\n")
|
||||
raw_path = input("[*] Enter Path (File or Folder): ").strip()
|
||||
target_path = raw_path.strip('"').strip("'")
|
||||
|
||||
if target_path.lower() in ['exit', 'q']:
|
||||
break
|
||||
|
||||
if not target_path or not os.path.exists(target_path):
|
||||
print("[-] Invalid path. Please try again.")
|
||||
continue
|
||||
|
||||
while True:
|
||||
label_input = input("[*] Enter Label (0=Safe, 1=Malware): ").strip()
|
||||
if label_input.lower() in ['exit', 'q']:
|
||||
conn.close()
|
||||
sys.exit()
|
||||
|
||||
if label_input in ['0', '1']:
|
||||
label = int(label_input)
|
||||
break
|
||||
else:
|
||||
print("[-] Please enter 0 or 1.")
|
||||
|
||||
scan_and_save(conn, target_path, label)
|
||||
except KeyboardInterrupt:
|
||||
print("\n\n[-] Interrupted.")
|
||||
finally:
|
||||
conn.close()
|
||||
print(f"\n[+] Database saved to: {os.path.abspath(DB_PATH)}")
|
||||
@@ -0,0 +1,195 @@
|
||||
import os, sys, time, sqlite3, re, json
|
||||
import pandas as pd
|
||||
import numpy as np
|
||||
import lightgbm as lgb
|
||||
import onnxmltools
|
||||
from onnxmltools.convert.common.data_types import FloatTensorType
|
||||
from sklearn.model_selection import train_test_split
|
||||
from sklearn.metrics import classification_report, accuracy_score, roc_auc_score
|
||||
|
||||
####################################################################################################
|
||||
|
||||
DB_PATH = "pe_features.db"
|
||||
MODEL_FILE = "pe_malware_lgbm.txt"
|
||||
ONNX_FILE = "pe_malware.onnx"
|
||||
FEATURE_FILE = "features.json"
|
||||
TEST_SIZE = 0.0001
|
||||
RANDOM_SEED = 42
|
||||
|
||||
LGBM_PARAMS = {
|
||||
'objective': 'binary',
|
||||
'metric': ['binary_logloss', 'auc'],
|
||||
'boosting_type': 'gbdt',
|
||||
'num_leaves': 63,
|
||||
'learning_rate': 0.05,
|
||||
'feature_fraction': 0.8,
|
||||
'bagging_fraction': 0.8,
|
||||
'bagging_freq': 5,
|
||||
'verbose': -1,
|
||||
'seed': RANDOM_SEED,
|
||||
'n_jobs': -1,
|
||||
'max_depth': -1,
|
||||
'min_data_in_leaf': 20,
|
||||
'lambda_l1': 0.1,
|
||||
'lambda_l2': 0.1
|
||||
}
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def get_raw_schema(db_path):
|
||||
if not os.path.exists(db_path):
|
||||
return None
|
||||
conn = sqlite3.connect(db_path)
|
||||
try:
|
||||
cursor = conn.cursor()
|
||||
cursor.execute("PRAGMA table_info(PeData)")
|
||||
columns = [row[1] for row in cursor.fetchall()]
|
||||
exclude_lower = {'label', 'id', 'filename', 'filelength', 'rowid', 'probability', 'predictedlabel', 'score'}
|
||||
return [c for c in columns if c.lower().strip() not in exclude_lower]
|
||||
except:
|
||||
return None
|
||||
finally:
|
||||
conn.close()
|
||||
|
||||
def load_and_clean_data(db_path, raw_cols):
|
||||
print(f"[*] Connecting to database: {db_path}")
|
||||
conn = sqlite3.connect(db_path)
|
||||
req_cols = list(set(raw_cols + ['Label']))
|
||||
sql = f"SELECT {', '.join(req_cols)} FROM PeData"
|
||||
|
||||
try:
|
||||
df = pd.read_sql_query(sql, conn)
|
||||
if df.empty: return None, None, None
|
||||
|
||||
label_col = next((c for c in df.columns if c.lower().strip() == 'label'), None)
|
||||
if not label_col:
|
||||
print("[-] Critical Error: Label column not found.")
|
||||
return None, None, None
|
||||
|
||||
y = df[label_col].astype(int)
|
||||
X = df.drop(columns=[label_col], errors='ignore')
|
||||
|
||||
valid_features = [c for c in raw_cols if c in X.columns]
|
||||
X = X[valid_features].copy()
|
||||
|
||||
X = X.rename(columns=lambda x: re.sub('[^A-Za-z0-9_]+', '', x))
|
||||
|
||||
if X.isnull().values.any():
|
||||
X = X.fillna(X.median(numeric_only=True))
|
||||
|
||||
final_features = X.columns.tolist()
|
||||
return X, y, final_features
|
||||
finally:
|
||||
conn.close()
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def train_process(X, y):
|
||||
print(f"[*] Dataset shape: {X.shape}")
|
||||
|
||||
X_train, X_test, y_train, y_test = train_test_split(
|
||||
X, y, test_size=TEST_SIZE, random_state=RANDOM_SEED, stratify=y
|
||||
)
|
||||
|
||||
n_pos = (y_train == 1).sum()
|
||||
n_neg = (y_train == 0).sum()
|
||||
|
||||
base_weight = n_neg / n_pos if n_pos > 0 else 1.0
|
||||
|
||||
weight_ratio_base = 1.0
|
||||
weight_ratio_target = 0.1
|
||||
final_pos_weight = base_weight * (weight_ratio_target / weight_ratio_base)
|
||||
|
||||
print(f"[*] Balance Report: Safe={n_neg}, Malware={n_pos}")
|
||||
print(f"[*] Weight Config: Base Balanced={base_weight:.4f}, Final Adjusted (Favor Safe)={final_pos_weight:.4f}")
|
||||
|
||||
train_data = lgb.Dataset(X_train, label=y_train)
|
||||
valid_data = lgb.Dataset(X_test, label=y_test, reference=train_data)
|
||||
|
||||
params = LGBM_PARAMS.copy()
|
||||
params['scale_pos_weight'] = final_pos_weight
|
||||
|
||||
print("\n[*] Starting LightGBM training (Full Force, No Early Stopping)...")
|
||||
start_time = time.time()
|
||||
|
||||
model = lgb.train(
|
||||
params,
|
||||
train_data,
|
||||
valid_sets=[valid_data],
|
||||
num_boost_round=1000,
|
||||
callbacks=[
|
||||
lgb.log_evaluation(period=100)
|
||||
]
|
||||
)
|
||||
|
||||
elapsed = time.time() - start_time
|
||||
print(f"\n[+] Training finished in {elapsed:.2f}s")
|
||||
|
||||
return model, X_test, y_test
|
||||
|
||||
def export_onnx_model(model, feature_names):
|
||||
print(f"[*] Exporting ONNX model to {ONNX_FILE}...")
|
||||
try:
|
||||
initial_type = [('float_input', FloatTensorType([None, len(feature_names)]))]
|
||||
onnx_model = onnxmltools.convert_lightgbm(model, initial_types=initial_type)
|
||||
onnxmltools.utils.save_model(onnx_model, ONNX_FILE)
|
||||
|
||||
with open(FEATURE_FILE, 'w') as f:
|
||||
json.dump(feature_names, f)
|
||||
|
||||
print(f"[+] ONNX export success. Features synced to {FEATURE_FILE}")
|
||||
except Exception as e:
|
||||
print(f"[-] ONNX export failed: {e}")
|
||||
|
||||
def evaluate_and_save(model, X_test, y_test):
|
||||
print("\n------------------- Evaluation Report -------------------\n")
|
||||
y_prob = model.predict(X_test, num_iteration=model.best_iteration)
|
||||
y_pred = (y_prob > 0.5).astype(int)
|
||||
|
||||
acc = accuracy_score(y_test, y_pred)
|
||||
auc = roc_auc_score(y_test, y_prob)
|
||||
|
||||
print(f"Accuracy : {acc:.4f}")
|
||||
print(f"ROC AUC : {auc:.4f}")
|
||||
print("\n" + classification_report(y_test, y_pred, zero_division=0))
|
||||
|
||||
print("---------------------------------------------------------\n")
|
||||
print("[*] Top 20 Features (Importance by Gain):")
|
||||
|
||||
feature_names = model.feature_name()
|
||||
importance = model.feature_importance(importance_type='gain')
|
||||
feature_imp = pd.DataFrame(sorted(zip(importance, feature_names), reverse=True), columns=['Value', 'Feature'])
|
||||
print(feature_imp.head(20).to_string(index=False))
|
||||
|
||||
print("\n---------------------------------------------------------\n")
|
||||
|
||||
model.save_model(MODEL_FILE)
|
||||
print(f"[+] Native model saved to: {os.path.abspath(MODEL_FILE)}")
|
||||
|
||||
export_onnx_model(model, feature_names)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
if __name__ == "__main__":
|
||||
print("\n---------------- PE Malware Trainer v3.0 ----------------\n")
|
||||
|
||||
if not os.path.exists(DB_PATH):
|
||||
print(f"[-] Error: Database {DB_PATH} not found.")
|
||||
sys.exit(1)
|
||||
|
||||
raw_schema = get_raw_schema(DB_PATH)
|
||||
if not raw_schema:
|
||||
print("[-] Error: Could not read schema.")
|
||||
sys.exit(1)
|
||||
|
||||
X, y, _ = load_and_clean_data(DB_PATH, raw_schema)
|
||||
if X is None:
|
||||
sys.exit(1)
|
||||
|
||||
try:
|
||||
model, X_test, y_test = train_process(X, y)
|
||||
evaluate_and_save(model, X_test, y_test)
|
||||
except KeyboardInterrupt:
|
||||
print("\n\n[-] Training interrupted.")
|
||||
except Exception as e:
|
||||
print(f"\n[-] Critical Error: {e}")
|
||||
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Binary file not shown.
@@ -1,15 +0,0 @@
|
||||
ExcludeXMD =
|
||||
Extensions = exe;com;dll;ocx;scr;bin;dat;386;vxd;sys;wdm;cla;class;ovl;ole;hlp;doc;dot;xls;ppt;wbk;wiz;pot;ppa;xla;xlt;vbs;vbe;mdb;rtf;htm;hta;html;xml;xtp;php;asp;js;shs;chm;lnk;pif;prc;url;smm;pfd;msi;ini;csc;cmd;bas;nws;
|
||||
ExcludeExtensions =
|
||||
ConfigFile = bdc.ini
|
||||
HttpProxy =
|
||||
InfectedFolder = Infected
|
||||
SuspectedFolder = Suspected
|
||||
LogMaxSize = 1024
|
||||
RenameExtension = vir
|
||||
PluginsPaths = Plugins
|
||||
LogName = bdc.log
|
||||
UpdateHttpLocation = http://upgrade.bitdefender.com/av32bit-eps
|
||||
XMD = *
|
||||
LastUpdate = Wed Feb 18 16:39:59 2009
|
||||
ProductID = {AAD1516D-28AB-4EB5-B7C8-DF54FE4442E9}
|
||||
Binary file not shown.
@@ -1,14 +0,0 @@
|
||||
<p>AVCORE v2.2 Windows/i386 11.0.1.21 (August 15, 2021)</p>
|
||||
<p>disp.xmd - Dispatcher (0.00) 0x1[997] (r)</p>
|
||||
<p>pyinstaller.xmd - PYInstaller unpacker (1.0) 0x8[12] (r)</p>
|
||||
<p>rar.xmd - RAR5 unpacker (0.5) 0xA[12] (r)</p>
|
||||
<p>thebat.xmd - TheBat Engine (0.03a) 0x4010[12] (r) +</p>
|
||||
<p>html.xmd - HTML Parser (1.0) 0x4008[11] (r) +</p>
|
||||
<p>mdx.xmd - Macro Defense Expert (3.57b) 0x1[11] 1[0] (r)</p>
|
||||
<p>cevakrnl.xmd - CEVA (0.03a) 0x1[10] (r)</p>
|
||||
<p>pdf.xmd - PDF Engine (2.0) 0x4009[10] (r) +</p>
|
||||
<p>imp.xmd - IMP (1.4.2) 0x2[9] (r)</p>
|
||||
<p>sfx.xmd - Sfx Engine (1.8.6) 0xA[9] (r)</p>
|
||||
<p>sdx.xmd - SDX () 0x1[5] 191729[0] (r)</p>
|
||||
<p>jpeg.xmd - JPEG Engine (0.05) 0x1[1] 14[1] (r)</p>
|
||||
<p>rtf.xmd - RTF (1.0) 0x4008[0] (r) +</p>
|
||||
Binary file not shown.
-21
@@ -1,21 +0,0 @@
|
||||
MIT License
|
||||
|
||||
Copyright (c) 2020-2024 87owo (PYAS Security)
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
+31
@@ -0,0 +1,31 @@
|
||||
87owo Publicly Available Source Code License Agreement
|
||||
Last updated: 2025-12-19
|
||||
|
||||
1. License and Ownership
|
||||
- This software and its source code are source available for public view.
|
||||
- Access or execution of certain features may require an activation key.
|
||||
- 87owo reserves all legal rights, no intellectual property is transferred.
|
||||
- All project archives, source code, and binaries remain fully proprietary.
|
||||
|
||||
2. Use and Prohibitions
|
||||
- You may view, download, and modify the code for local and personal use.
|
||||
- Redistribution of any original or modified code requires prior consent.
|
||||
- Commercial hosting or SaaS deployment is prohibited without permission.
|
||||
- Reverse engineering, license removal, or illegal use is strictly barred.
|
||||
|
||||
3. Data and Privacy
|
||||
- This project may collect operational data for optimization and analysis.
|
||||
- All collected data is strictly anonymized to ensure the user's privacy.
|
||||
- Transmission of information is encrypted to prevent unauthorized access.
|
||||
|
||||
4. Updates and Terms
|
||||
- New releases may include critical patches, enhancements, or UI changes.
|
||||
- Continued use of these services constitutes acceptance of updated terms.
|
||||
- The author reserves the right to modify these license terms at any time.
|
||||
|
||||
5. Warranty and Liability
|
||||
- All services and assets are provided "as is" without any form of warranty.
|
||||
- 87owo is not liable for any direct or indirect damages from software use.
|
||||
- Users assume all risks regarding performance, data, and system integrity.
|
||||
|
||||
© 2020-2026 87owo (PYAS Security). All rights reserved.
|
||||
@@ -1 +0,0 @@
|
||||
{"Unknown": [38413146381396798812836662586219087594480760119241756145287379993031670453973, 96759775057307603829199050115151442660431386536877578909394799687553144825391], "White": [92860071170291586757870565976957954052649178883790647665503983139114277816413, 50625869624179221836524636484722091669820057030729734765256925026245308185143, 79303266820014134748061006437377483029320717142203104125806969476209010566146, 50391760446499089493384482654016917630509060287507523223191455177998253781572, 34733894651460458125941968926483828168477919119649839915356573816494375383659, 16447578251589668808184123721615810667991570306415913809506896532563163557975, 18668853151306203943053249777678854424409647574074706653144503993068509738028, 16447129799599854768187525514242197965987640167415805965954293039200573272151, 42965648781535883376480003940402366467478625051031283341289116138472520399484, 45637511530246203537935382208327538642024163565740899790237852717178844340385, 100662025713257198141308144602569453810226448934776598411982222249289646045820, 2813878798545665948450767843887867208740292941021073849284371582085785669685, 54695748401254225125045716155327877471149349614359435230254611073117412307518, 27428665293760567560050957450577436769403462770366418052177943137905489504373, 32018095881556959863902669246154132691484124511748151111295836576906027842532, 82735669648112373508385530969898006750362429118827185652448450648454052106395, 27853809242729492000984914092533936796891917926358854729439436487683423285261, 20030429995379197455160031864140436552884002299333955332088108013764717533796, 82338140557728967648601024370995428985866052631101882076231147335348455671038, 71339449324799277130427957011381342555145697382104653874846579353871764366968, 2432232479351500614611699169184443988440809841079862157291791071419485606436, 9463527399566410848087352636323112952591923803840644609432039785310381355253, 17287926889345790925003722717807755244540044472850272987265624141065166747251, 31507509644511868166890345905396462199402122513677304280568315890707028374136, 92802443753971611323223428952970105040389824130209263287070763891097867755624, 60491018752293550079699763462944244393253888103551546202593483014975813742967, 45133408084728538869955951560598604064861024543940290379768365214821771604584, 6759146298068049614085390992799666053918974602489525613718797088468975708017, 43161770374046173333870752071317153674965637163816017117315179871715332666383, 55200886519442939000007636174371797768786544863806926514781108850256791225983, 102124766481586899841647737641698083212305154684644839980199278690335383712492, 52992286898317605666180786036367620316269750824654214415314225077986227890804, 96307454545313440124283308270263825589093792315386382296096934270155352236733, 36073459579994433898643313577597321150634749356791285363958792075031385371364, 5354562433688861244299028006341553420425390015040147574513776499404802540118, 2671602537216404752611755689384448521170725107261295121211275163689399347529, 31174448189678483951801405655647041557287598300853213718404097030076935043252, 817984956081990458969224676381868506770627801582748844000835755782736667191, 6997953573828232905847825866256444005094471443450029313008738013465446666864, 41288968033780608769032189481784193916730262129846893330891418484950645535282, 56724589038911745751056508177185337741291265472470897077742981563488398484126, 3353938097938067320481103667469354721822387389147415219233498938990215839034, 21195721951654457114265478558602466514207347021822959737607658828495062116920, 2916561284514958799877078174216081002558870786437593202464334407456915288119, 93137488384582768487662730765406914258099784103320160609442537879778117334700, 21195721951654457114265478558602377311225888285332501136798116331518898022972, 85036278951571446667616241901438186945472743486751871120301019617002115253240, 14623491695050192413097067629676318500123044497134202517578785087180871258165, 2022308710750553104057453378681448926020203033444470910346149752954363011822, 16435447118324352510213480738895714506136417806014749563314727656196027207884, 20110908101408861236178371339075650317185505287106087252378028881915405550816, 97262306467112548995108413358594977802790545321935863056096364390382492643957, 96614497885586867524036482497010189662872359368622249290846422070379022959337, 1895288773648887609359329471072769468085207279473521707976899919066265183340, 2651591106060448314208209841614702280337184080195391257416359882876000875095, 114619913163036058498985801603082782363327281628924544162718017899237779173997, 2481883953883130814217575190747389944608730963897863224598923997640828351014, 45000300637061336566799421885334051647634671537987073940268834014403441552901, 79047998258892679051555952202178856054614923426747250310189496005785954516966, 92887093185298651693450115442544102614083847612212241647641096093293220418098, 7140769773119319253009453104401896171570019200295580355390762162793695491644, 17012496707Line truncated
|
||||
+130
@@ -0,0 +1,130 @@
|
||||
translate_dict = {
|
||||
"traditional_switch": {"开启":"開啟","关闭":"關閉","On":"開啟","Off":"關閉"},
|
||||
|
||||
"simplified_switch": {"開啟":"开启","關閉":"关闭","On":"开启","Off":"关闭",
|
||||
"錯誤":"错误","發現":"发现","關閉":"关闭","裝置":"设备","記憶體":"内存",
|
||||
"軟體":"软件","檔案":"文件","確定":"确认","設定":"设置","關於":"关于",
|
||||
"總數":"总数","註冊":"注册","圖標":"图标","路徑":"路径","網路":"网络",
|
||||
"位元":"字节","靈敏":"敏感","複製":"复制","開啟":"开启","靜態":"静态",
|
||||
"訊":"讯","項":"项","掃":"扫","試":"试","黃":"黄","嗎":"吗","防":"保",
|
||||
"鑰":"钥","當":"当","後":"后","護":"护","導":"导","區":"区","復":"复",
|
||||
"攔":"拦","請":"请","統":"统","刪":"删","進":"进","個":"个","選":"选",
|
||||
"啟":"启","監":"监","並":"并","徑":"径","盤":"盘","隱":"隐","動":"动",
|
||||
"狀":"状","誌":"志","這":"这","會":"会","題":"题","擇":"择","語":"语",
|
||||
"無":"无","顯":"显","變":"变","戶":"户","碼":"码","雲":"云","介":"界",
|
||||
"稱":"称","類":"类","輸":"输","執":"执","數":"数","尋":"寻","網":"网",
|
||||
"詢":"询","製":"制","員":"员","許":"许","條":"条","藍":"蓝","紅":"红",
|
||||
"綠":"绿","態":"态","務":"务","連":"连","檢":"检","測":"测","關":"关",
|
||||
"強":"强","驅":"驱","為":"为","腳":"脚","單":"单","開":"开","擴":"扩",
|
||||
"惡":"恶","據":"据","庫":"库","經":"经","敗":"败","謝":"谢","別":"别",
|
||||
"載":"载","誤":"误","報":"报","鏈":"链","竄":"窜","蹤":"踪","與":"与",
|
||||
"異":"异","實":"实","時":"时","彈":"弹","窗":"窗","暫":"暂","訂":"订",
|
||||
"資":"资","產":"产","金":"密","離":"离","規":"规","則":"则","來":"来",
|
||||
"殼":"壳","碼":"码","線":"线","餘":"余",},
|
||||
|
||||
"english_switch": {"開啟":"On","關閉":"Off","开启":"On","关闭":"Off",",":", ",
|
||||
"立即刪除":"Delete Now","安全模式":"Safe Mode","官方網站":"Official Website ",
|
||||
"腳本":"Script ","鏈式":"Chain ","記憶體":"Memory ","正在加載":"Loading ","加載":"Load ",
|
||||
"行為":"Behavior ","可疑":"Suspicious ","勒索":"Ransom ","主要":"Main ",
|
||||
"許可條款":"License Terms ","惡意":"Malicious", "開發":"Developers ",
|
||||
"啟用":"Enable ","禁用":"Disable ","正在初始化中":"Initializing ","初始化":"initialize ",
|
||||
"正在掃描":"Scanning ","正在刪除":"Deleting ","正在追蹤":"Tracking ",
|
||||
"最小化到":"Minimize To ","靈敏度":"Sensitivity ","正在檢查":"Checking ",
|
||||
"確定要":"Sure Want To ","引擎靈敏度":"Sensitivity ","更新":"Update ",
|
||||
"白色主題":"White","黃色主題":"Yellow","紅色主題":"Red","語言":"Language ",
|
||||
"藍色主題":"Blue","綠色主題":"Green","自訂主題":"Custom","黑色主題":"Black",
|
||||
"特別感謝":"Contributors ","版本資訊":"Information","通訊":"Connect ",
|
||||
"註冊":"Registry ","退出":"Quit ","檔案":"File ","當前":"Currently ",
|
||||
"狀態":"State ","掃描":"Scan ","工具":"Tools ","防護":"Protect ",
|
||||
"失敗":"Failed ","請":"Please ","路徑":"Path ","方式":"Method ",
|
||||
"需要":"Need ","病毒":"Virus ","選擇":"Select ","返回":"Back",
|
||||
"受到":"Been ","錯誤":"Error","完成":"Complete ","引擎":"Engine ",
|
||||
"托盤":"Tray ","圖標":"Icon ","不安全":"Unsafe","增強":"Enhance ",
|
||||
"系統":"System ","雲端":"Cloud ","重啟":"Reboot ","修復":"Repair ",
|
||||
"裝置":"Device ","發現":"Found ","成功":"Success ","清理":"Cleanup ",
|
||||
"確定":"OK","執行":"Execute ","警告":"Warning ","使用":"Use ",
|
||||
"網路":"Network ","變更":"Change ","總數":"Total","結束":"End ",
|
||||
"選項":"Options ","監控":"Monitor ","連接":"Connect ","可以":"Can ",
|
||||
"進程":"Process ","攔截":"Block ","引導":"Boot ","刪除":"Delete ",
|
||||
"分區":"Partition ","設定":"Setting ","關於":"About","模式":"Mode ",
|
||||
"提高":"Improve ","安全":"Security ","顯色":"Color ","顏色":"Color ",
|
||||
"主題":"Theme ", "回收":"Collect ", "無用":"Useless ","導入":"Import ",
|
||||
"風險":"Risk ","介面":"UI ","核心":"Core ","服務":"Services ",
|
||||
"管理":"Manage","所有":"All ","您":"You ","取消":"Cancel ","未":"Not ",
|
||||
"垃圾":"Junk ","位元":"byte ","本機":"Computer ","停止":"Stop ",
|
||||
"到":"To ","白名單":"White List ","軟體":"Software ","正在":"",
|
||||
"增加":"Add ","移除":"Delete ","項目":"Items ","生成":"Create ","稱":"",
|
||||
"複製":"Copy ","此":"This ","並":"And ","全盤":"Full ","最新":"Latest ",
|
||||
"已存在":"Already ","數據庫":"Database ","誤報":"False Positive ",
|
||||
"高":"High ","新":"New ","和":"And ","可能會":"Possible ","會":"Can ",
|
||||
"日誌":"Log","已":"Has ","彈窗":"Window ","要":"To ","驅動":"Driver ",
|
||||
"的":"","顯示":"","個":"","嗎":"","了":"","行":"","立即":"","規則":"Rule ",
|
||||
"密鑰":"Key ","檢測":"Detect ","製作":"Maker ","運行":"Running",
|
||||
"擴展":"Extension ","套件":"Kit ","自動":"Auto ","上報":"Report ",
|
||||
"分析":"Analysis ","自身":"Self ","其他":"Other ","配置":"Config ",
|
||||
"丟失":"Lost ","網站":"Website ","不兼容":"Not Compatible ","列表":"List ",
|
||||
"竄改":"Tamper ","第三方":"Other ","實時":"Real Time ","查看":"View ",
|
||||
"指定":"Specify ","清空":"Empty ","資源回收桶":"Recycle Bin ", "無法":"Cannot ",
|
||||
"與":"With ","當":"When ","功能":"Function ","異常":"Abnormal ", "來":"To ",
|
||||
"重置":"Reset ","窗口":"Window ","暫存":"Temp ","自訂":"Custom ",
|
||||
"不支持":"Not Support ","共":"Total ","秒":"Seconds ","耗時":"Takes ",
|
||||
"沙箱":"Sandbox ", "虛擬":"Virtual ", "隔離":"Quarantine ", "時":"",
|
||||
"建立":"Create ","環境":"Environment ","沙箱":"Sandbox ","化":"", "表":"",
|
||||
"達":"Reached ", "上限":"Limit ", "區":"", "金鑰":"Key ", "產品":"Product ",
|
||||
"運行庫":".NET CLR ","殼碼":"Shellcode ","線程":"Thread ","注入":"Inject ",
|
||||
"前往":"Go ","檢查":"Check ","可用":"Available ","靜態":"Static ",
|
||||
"版本":"Version ","是":"","剩餘":"Remain ","遠控":"Remote ","監控":"Monitor ",
|
||||
" ":" "},
|
||||
|
||||
"white_switch": {
|
||||
"_white": "_black",},
|
||||
"red_switch": {
|
||||
"235, 235, 235": "255, 235, 235",
|
||||
"245, 245, 245": "255, 225, 225",
|
||||
"255, 255, 255": "255, 245, 245",
|
||||
"240, 240, 240": "255, 220, 220",
|
||||
"250, 250, 250": "255, 210, 210",
|
||||
"220, 255, 220": "255, 220, 220",
|
||||
"210, 255, 210": "255, 210, 210",
|
||||
"_white": "_black"
|
||||
},
|
||||
"yellow_switch": {
|
||||
"235, 235, 235": "255, 255, 235",
|
||||
"245, 245, 245": "255, 255, 225",
|
||||
"255, 255, 255": "255, 255, 245",
|
||||
"240, 240, 240": "255, 255, 220",
|
||||
"250, 250, 250": "255, 255, 210",
|
||||
"220, 255, 220": "255, 255, 220",
|
||||
"210, 255, 210": "255, 255, 210",
|
||||
"_white": "_black"
|
||||
},
|
||||
"green_switch": {
|
||||
"235, 235, 235": "235, 255, 235",
|
||||
"245, 245, 245": "225, 255, 225",
|
||||
"255, 255, 255": "245, 255, 245",
|
||||
"240, 240, 240": "220, 255, 220",
|
||||
"250, 250, 250": "210, 255, 210",
|
||||
"_white": "_black"
|
||||
},
|
||||
"blue_switch": {
|
||||
"235, 235, 235": "235, 235, 255",
|
||||
"245, 245, 245": "225, 225, 255",
|
||||
"255, 255, 255": "245, 245, 255",
|
||||
"240, 240, 240": "220, 220, 255",
|
||||
"250, 250, 250": "210, 210, 255",
|
||||
"220, 255, 220": "220, 220, 255",
|
||||
"210, 255, 210": "210, 210, 255",
|
||||
"_white": "_black"
|
||||
},
|
||||
"black_switch": {
|
||||
"255, 255, 255": "20, 20, 20",
|
||||
"245, 245, 245": "40, 40, 40",
|
||||
"235, 235, 235": "30, 30, 30",
|
||||
"240, 240, 240": "70, 70, 70",
|
||||
"250, 250, 250": "80, 80, 80",
|
||||
"220, 255, 220": "70, 70, 70",
|
||||
"210, 255, 210": "80, 80, 80",
|
||||
"0, 0, 0": "255, 255, 255",
|
||||
"_black": "_white"
|
||||
}
|
||||
}
|
||||
+633
-72
@@ -1,84 +1,645 @@
|
||||
import time, json, hashlib, numpy
|
||||
from collections import Counter
|
||||
import os, yara, time, numpy, base64, requests, pefile, math
|
||||
import ctypes, ctypes.wintypes, hashlib, onnxruntime
|
||||
|
||||
class ListSimHash:
|
||||
from PIL import Image
|
||||
from io import BytesIO
|
||||
|
||||
####################################################################################################
|
||||
|
||||
class GUID(ctypes.Structure):
|
||||
_fields_ = [
|
||||
("Data1", ctypes.wintypes.DWORD),
|
||||
("Data2", ctypes.wintypes.WORD),
|
||||
("Data3", ctypes.wintypes.WORD),
|
||||
("Data4", ctypes.c_ubyte * 8)]
|
||||
|
||||
class WINTRUST_FILE_INFO(ctypes.Structure):
|
||||
_fields_ = [
|
||||
("cbStruct", ctypes.wintypes.DWORD),
|
||||
("pcwszFilePath", ctypes.wintypes.LPCWSTR),
|
||||
("hFile", ctypes.wintypes.HANDLE),
|
||||
("pgKnownSubject", ctypes.wintypes.LPVOID)]
|
||||
|
||||
class WINTRUST_DATA(ctypes.Structure):
|
||||
_fields_ = [
|
||||
("cbStruct", ctypes.wintypes.DWORD),
|
||||
("pPolicyCallbackData", ctypes.wintypes.LPVOID),
|
||||
("pSIPClientData", ctypes.wintypes.LPVOID),
|
||||
("dwUIChoice", ctypes.wintypes.DWORD),
|
||||
("fdwRevocationChecks", ctypes.wintypes.DWORD),
|
||||
("dwUnionChoice", ctypes.wintypes.DWORD),
|
||||
("pFile", ctypes.POINTER(WINTRUST_FILE_INFO)),
|
||||
("dwStateAction", ctypes.wintypes.DWORD),
|
||||
("hWVTStateData", ctypes.wintypes.HANDLE),
|
||||
("pwszURLReference", ctypes.wintypes.LPCWSTR),
|
||||
("dwProvFlags", ctypes.wintypes.DWORD),
|
||||
("dwUIContext", ctypes.wintypes.DWORD),
|
||||
("pSignatureSettings", ctypes.wintypes.LPVOID)]
|
||||
|
||||
####################################################################################################
|
||||
|
||||
class sign_scanner:
|
||||
def __init__(self):
|
||||
self.model = {}
|
||||
self.verify = GUID(0x00AAC56B, 0xCD44, 0x11D0, (0x8C, 0xC2, 0x00, 0xC0, 0x4F, 0xC2, 0x95, 0xEE))
|
||||
|
||||
def save_model(self, file_name):
|
||||
with open(file_name, 'w') as f:
|
||||
json.dump(self.model, f)
|
||||
print(f"\nModel Is Saved In {file_name}")
|
||||
def init_windll(self, path):
|
||||
for name in path:
|
||||
try:
|
||||
setattr(self, name.lower(), ctypes.WinDLL(name, use_last_error=True))
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
def load_model(self, model_data):
|
||||
if isinstance(model_data, str):
|
||||
with open(model_data, 'r') as f:
|
||||
model_data = json.load(f)
|
||||
self.model = model_data
|
||||
try:
|
||||
self.WinVerifyTrust = self.wintrust.WinVerifyTrust
|
||||
self.WinVerifyTrust.restype = ctypes.wintypes.LONG
|
||||
self.WinVerifyTrust.argtypes = [ctypes.wintypes.HWND, ctypes.POINTER(GUID), ctypes.c_void_p]
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
def get_model(self, label):
|
||||
return self.model[label]
|
||||
def sign_verify(self, file_path):
|
||||
try:
|
||||
fi = WINTRUST_FILE_INFO(ctypes.sizeof(WINTRUST_FILE_INFO), file_path, None, None)
|
||||
data = WINTRUST_DATA(ctypes.sizeof(WINTRUST_DATA), None, None, 2, 0, 1,
|
||||
ctypes.pointer(fi), 1, None, None, 0, 0, None)
|
||||
s = self.WinVerifyTrust(None, ctypes.byref(self.verify), ctypes.byref(data))
|
||||
data.dwStateAction = 2
|
||||
self.WinVerifyTrust(None, ctypes.byref(self.verify), ctypes.byref(data))
|
||||
return s == 0
|
||||
except Exception:
|
||||
return False
|
||||
|
||||
def train_model(self, label, data):
|
||||
start = time.time()
|
||||
print(f"Convert {label}")
|
||||
if label not in self.model:
|
||||
self.model[label] = []
|
||||
for i, x in enumerate(data, 1):
|
||||
self.model[label].append(self.build_text(x))
|
||||
used = "{0:.2f}".format(time.time()-start)
|
||||
prefix, suffix = f'{i}/{len(data)}:', f'{used}s'
|
||||
self.progress_bar(i, len(data), prefix, suffix)
|
||||
####################################################################################################
|
||||
|
||||
def build_text(self, content):
|
||||
sums, batch, count = [], [], 0
|
||||
features = dict(Counter(sorted(content)))
|
||||
for f, w in features.items():
|
||||
count += w
|
||||
batch.append(hashlib.sha256(json.dumps(f).encode('utf-8')).digest() * w)
|
||||
if len(batch) >= 10000:
|
||||
sums.append(self.sum_hashes(batch))
|
||||
batch = []
|
||||
if batch:
|
||||
sums.append(self.sum_hashes(batch))
|
||||
combined_sums = numpy.sum(sums, 0)
|
||||
v = numpy.packbits(combined_sums > count / 2).tobytes()
|
||||
return int.from_bytes(v, 'big')
|
||||
class rule_scanner:
|
||||
def __init__(self):
|
||||
self.rules = None
|
||||
self.network = []
|
||||
|
||||
def sum_hashes(self, digests):
|
||||
bitarray = numpy.unpackbits(numpy.frombuffer(b''.join(digests), dtype='>B'))
|
||||
return numpy.sum(numpy.reshape(bitarray, (-1, 256)), 0)
|
||||
def load_path(self, path, callback=None):
|
||||
yara_files = {}
|
||||
for root, _, files in os.walk(path):
|
||||
for file in files:
|
||||
full_path = os.path.join(root, file)
|
||||
if callback:
|
||||
callback(full_path)
|
||||
ext = os.path.splitext(file)[1].lower()
|
||||
if ext in ('.yara', '.yar'):
|
||||
namespace = os.path.relpath(full_path, path).replace(os.sep, '_')
|
||||
yara_files[namespace] = full_path
|
||||
elif ext in ('.yc', '.yrc'):
|
||||
self.load_compiled_rule(full_path)
|
||||
elif ext in ('.ip', '.txt'):
|
||||
self.load_network_list(full_path)
|
||||
|
||||
def progress_bar(self, items, total, prefix='', suffix='', length=50, fill='█'):
|
||||
percent = min(100.0, max(0.0, 100 * (items / float(total))))
|
||||
end_char = '\n' if percent >= 100 else '\r'
|
||||
percent_string = "{0:.2f}".format(percent)
|
||||
filled_length = int(length * items // total)
|
||||
bar = fill * filled_length + ' ' * (length - filled_length)
|
||||
print(f'\r{prefix: <15} |{bar}| {percent_string}% {suffix}', end=end_char)
|
||||
if yara_files:
|
||||
self.compile_all_rules(yara_files)
|
||||
|
||||
def predict_all(self, query):
|
||||
label_similarities = {}
|
||||
query_hash = self.build_text(query)
|
||||
for label in self.model:
|
||||
max_similarity = 0
|
||||
for data_point in self.model[label]:
|
||||
similarity = self.similar(data_point, query_hash)
|
||||
if similarity > max_similarity:
|
||||
max_similarity = similarity
|
||||
label_similarities[label] = max_similarity
|
||||
return label_similarities
|
||||
####################################################################################################
|
||||
|
||||
def predict(self, query):
|
||||
max_similarity, max_label = 0, None
|
||||
query_hash = self.build_text(query)
|
||||
for label in self.model:
|
||||
for data_point in self.model[label]:
|
||||
similarity = self.similar(data_point, query_hash)
|
||||
if similarity > max_similarity:
|
||||
max_similarity, max_label = similarity, label
|
||||
return max_label, max_similarity
|
||||
def load_compiled_rule(self, file):
|
||||
try:
|
||||
self.rules = yara.load(file)
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
def similar(self, x, y):
|
||||
hamming_distance = bin(x ^ y).count('1')
|
||||
return 1 - hamming_distance / 256
|
||||
def load_network_list(self, file):
|
||||
try:
|
||||
with open(file, "r", encoding="utf-8", errors="ignore") as f:
|
||||
self.network.extend(line.strip() for line in f if line.strip())
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
def compile_all_rules(self, file_map):
|
||||
try:
|
||||
self.rules = yara.compile(filepaths=file_map)
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def yara_scan(self, file_path):
|
||||
try:
|
||||
if not self.rules:
|
||||
return False, False
|
||||
|
||||
matches = self.rules.match(filepath=file_path)
|
||||
if matches:
|
||||
rule_name = str(matches[0])
|
||||
label = rule_name.split("_")[0]
|
||||
level = rule_name.split("_")[-1]
|
||||
return f"{label}:WinPE/Unknown.A!rb", level
|
||||
return False, False
|
||||
except Exception:
|
||||
return False, False
|
||||
|
||||
####################################################################################################
|
||||
|
||||
class cnn_scanner:
|
||||
def __init__(self):
|
||||
self.models = []
|
||||
self.labels = ["White:WinPE/Unknown", "General:WinPE/Unknown"]
|
||||
self.detect_set = {"General:WinPE/Unknown"}
|
||||
self.resize = (224, 224)
|
||||
|
||||
def load_path(self, path, callback=None):
|
||||
for root, _, files in os.walk(path):
|
||||
for file in files:
|
||||
full_path = os.path.join(root, file)
|
||||
if callback:
|
||||
callback(full_path)
|
||||
self.load_file(full_path)
|
||||
|
||||
def load_file(self, file):
|
||||
if file.lower().endswith('.onnx'):
|
||||
try:
|
||||
session = onnxruntime.InferenceSession(file, providers=['CPUExecutionProvider'])
|
||||
self.models.append(session)
|
||||
except Exception:
|
||||
return False
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def model_scan(self, file_path, full_output=False):
|
||||
if not self.models:
|
||||
return (False, False) if not full_output else ([], str(file_path), None)
|
||||
|
||||
data = self.get_data(file_path)
|
||||
if not data:
|
||||
return (False, False) if not full_output else ([], str(file_path), None)
|
||||
|
||||
image = self.preprocess_image(data, self.resize)
|
||||
if not image:
|
||||
return (False, False) if not full_output else ([], str(file_path), None)
|
||||
|
||||
arr = numpy.asarray(image).astype('float32') / 255.0
|
||||
arr = numpy.expand_dims(arr, axis=0)
|
||||
if arr.ndim == 3:
|
||||
arr = numpy.expand_dims(arr, axis=-1)
|
||||
|
||||
results = []
|
||||
best_malicious = None
|
||||
|
||||
for model in self.models:
|
||||
input_meta = model.get_inputs()[0]
|
||||
input_name = input_meta.name
|
||||
input_shape = input_meta.shape
|
||||
|
||||
curr_arr = arr.copy()
|
||||
if len(input_shape) == 4:
|
||||
if input_shape[1] in (1, 3) and input_shape[3] not in (1, 3):
|
||||
curr_arr = curr_arr.transpose(0, 3, 1, 2)
|
||||
|
||||
try:
|
||||
probs = model.run(None, {input_name: curr_arr})[0]
|
||||
pred_prob = float(probs[0][0]) if hasattr(probs[0], '__len__') else float(probs[0])
|
||||
except Exception:
|
||||
continue
|
||||
|
||||
is_malicious = pred_prob > 0.5
|
||||
idx = 1 if is_malicious else 0
|
||||
label = self.labels[idx]
|
||||
|
||||
conf = pred_prob if is_malicious else (1.0 - pred_prob)
|
||||
conf = round(conf * 100, 2)
|
||||
|
||||
if full_output:
|
||||
results.append(("Whole File", label, conf, self.pil_to_base64(image)))
|
||||
|
||||
if label in self.detect_set:
|
||||
if best_malicious is None or conf > best_malicious[1]:
|
||||
best_malicious = (f"{label}.{int(conf)}!dl", int(conf))
|
||||
|
||||
if full_output:
|
||||
results.sort(key=lambda x: (x[1] not in self.detect_set, -x[2]))
|
||||
malicious_count = sum(1 for _, lbl, _, _ in results if lbl in self.detect_set)
|
||||
total = len(results)
|
||||
return results, str(file_path), f"{malicious_count}/{total}"
|
||||
|
||||
return best_malicious if best_malicious else (False, False)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def pil_to_base64(self, img):
|
||||
buf = BytesIO()
|
||||
img.save(buf, format='PNG')
|
||||
return base64.b64encode(buf.getvalue()).decode()
|
||||
|
||||
def preprocess_image(self, data, size, channels=1):
|
||||
width, height = size
|
||||
wah = int(numpy.ceil(numpy.sqrt(len(data) / channels)))
|
||||
arr = numpy.frombuffer(data, dtype=numpy.uint8)
|
||||
imgbuf = numpy.zeros(wah * wah * channels, dtype=numpy.uint8)
|
||||
imgbuf[:len(arr)] = arr
|
||||
image = Image.fromarray(imgbuf.reshape((wah, wah)), 'L')
|
||||
return image.resize((width, height), Image.Resampling.NEAREST)
|
||||
|
||||
def get_data(self, file_path):
|
||||
try:
|
||||
with open(file_path, 'rb') as f:
|
||||
return f.read()
|
||||
except Exception:
|
||||
return None
|
||||
|
||||
####################################################################################################
|
||||
|
||||
class pe_scanner:
|
||||
def __init__(self):
|
||||
self.model = None
|
||||
self.input_name = None
|
||||
self.signer = sign_scanner()
|
||||
self.signer.init_windll(["wintrust"])
|
||||
self.SCHEMA = [
|
||||
"FileEntropy", "IsExe", "IsDll", "IsDriver", "Is64Bit", "Machine", "Magic",
|
||||
"TimeDateStamp", "CheckSum", "ImageBase", "SizeOfImage", "SizeOfHeaders",
|
||||
"Characteristics", "DllCharacteristics", "Subsystem", "LoaderFlags",
|
||||
"MajorLinkerVersion", "MinorLinkerVersion", "SizeOfCode",
|
||||
"SizeOfInitializedData", "SizeOfUninitializedData", "AddressOfEntryPoint",
|
||||
"BaseOfCode", "SectionAlignment", "FileAlignment",
|
||||
"MajorOperatingSystemVersion", "MinorOperatingSystemVersion",
|
||||
"MajorImageVersion", "MinorImageVersion",
|
||||
"MajorSubsystemVersion", "MinorSubsystemVersion",
|
||||
"SizeOfStackReserve", "SizeOfStackCommit", "SizeOfHeapReserve", "SizeOfHeapCommit",
|
||||
"NumberOfSections", "NumberOfRvaAndSizes", "PointerToSymbolTable", "NumberOfSymbols",
|
||||
"SizeOfOptionalHeader",
|
||||
"TextSection", "TextSizeRatio", "DataSection", "DataSizeRatio",
|
||||
"RsrcSection", "RsrcSizeRatio", "SectionCount", "ExecutableSections",
|
||||
"WritableSections", "ReadableSections", "SectionException",
|
||||
"IconCount", "ApiCount", "ExportCount", "DebugCount", "ExceptionCount",
|
||||
"FileDescriptionLength", "FileVersionLength", "ProductNameLength",
|
||||
"ProductVersionLength", "CompanyNameLength", "LegalCopyrightLength",
|
||||
"CommentsLength", "InternalNameLength", "LegalTrademarksLength",
|
||||
"SpecialBuildLength", "PrivateBuildLength",
|
||||
"TrustSigned", "IsDebug", "IsPatched", "IsPrivateBuild", "IsPreRelease",
|
||||
"IsSpecialBuild", "IsAdmin", "IsInstall", "HasTlsCallbacks",
|
||||
"HasInvalidTimestamp", "HasRelocationDirectory", "HasPacked", "FileTimeException",
|
||||
"_CorExeMain", "_CorDllMain",
|
||||
"GetDC", "CreateDCW", "CreateDCA", "BitBlt", "StretchBlt", "CreateCompatibleDC",
|
||||
"CreateCompatibleBitmap", "SelectObject", "DeleteDC", "DeleteObject", "GetDeviceCaps",
|
||||
"GetSystemMetrics",
|
||||
"SetWindowsHookExA", "SetWindowsHookExW", "UnhookWindowsHookEx",
|
||||
"GetAsyncKeyState", "GetKeyState", "GetKeyboardState",
|
||||
"MapVirtualKeyA", "MapVirtualKeyW", "MapVirtualKeyExA", "MapVirtualKeyExW",
|
||||
"ToAscii", "ToAsciiEx", "ToUnicode", "ToUnicodeEx", "KeybdEvent", "SendInput",
|
||||
"GetCursorPos", "SetCursorPos", "MouseEvent", "GetDoubleClickTime",
|
||||
"GetCapture", "SetCapture",
|
||||
"WaveInOpen", "WaveInClose", "WaveInStart", "WaveInStop",
|
||||
"CapCreateCaptureWindowA", "CapCreateCaptureWindowW",
|
||||
"OpenClipboard", "CloseClipboard", "GetClipboardData", "SetClipboardData",
|
||||
"GetDesktopWindow", "GetForegroundWindow", "GetWindowDC", "GetWindowRect",
|
||||
"GetClientRect", "PrintWindow", "SetWindowDisplayAffinity", "FindWindowA", "FindWindowW",
|
||||
"EnumWindows", "EnumChildWindows",
|
||||
"Direct3DCreate9", "D3D11CreateDevice", "GdipSaveImageToFile",
|
||||
"CreateProcessA", "CreateProcessW", "CreateThread", "ResumeThread", "SuspendThread",
|
||||
"OpenProcess", "TerminateProcess", "GetCurrentProcess", "GetCurrentProcessId",
|
||||
"ExitProcess", "WinExec", "ShellExecuteA", "ShellExecuteW",
|
||||
"CreateRemoteThread", "QueueUserAPC", "VirtualAlloc", "VirtualAllocEx",
|
||||
"VirtualProtect", "VirtualProtectEx", "WriteProcessMemory", "ReadProcessMemory",
|
||||
"NtUnmapViewOfSection", "SetThreadContext", "GetThreadContext", "Wow64SetThreadContext",
|
||||
"ZwUnmapViewOfSection", "CreateFileMappingA", "CreateFileMappingW", "MapViewOfFile",
|
||||
"UnmapViewOfSection",
|
||||
"LoadLibraryA", "LoadLibraryW", "LoadLibraryExA", "LoadLibraryExW",
|
||||
"GetProcAddress", "GetModuleHandleA", "GetModuleHandleW", "FreeLibrary",
|
||||
"CreateFileA", "CreateFileW", "WriteFile", "ReadFile", "DeleteFileA", "DeleteFileW",
|
||||
"CopyFileA", "CopyFileW", "MoveFileA", "MoveFileW", "FindFirstFileA", "FindNextFileA",
|
||||
"GetTempPathA", "GetTempPathW", "GetTempFileNameA", "GetTempFileNameW",
|
||||
"SetFileAttributesA", "SetFileAttributesW", "DeviceIoControl", "SetFileTime",
|
||||
"RegOpenKeyExA", "RegOpenKeyExW", "RegSetValueExA", "RegSetValueExW",
|
||||
"RegCreateKeyExA", "RegCreateKeyExW", "RegDeleteKeyA", "RegDeleteKeyW",
|
||||
"RegEnumValueA", "RegEnumValueW", "RegQueryValueExA", "RegQueryValueExW",
|
||||
"RegDeleteValueA", "RegDeleteValueW",
|
||||
"OpenSCManagerA", "OpenSCManagerW", "CreateServiceA", "CreateServiceW",
|
||||
"StartServiceA", "StartServiceW", "ControlService", "DeleteService",
|
||||
"AdjustTokenPrivileges", "LookupPrivilegeValueA", "LookupPrivilegeValueW",
|
||||
"OpenProcessToken", "NetUserAdd", "NetLocalGroupAddMembers",
|
||||
"Socket", "Connect", "Send", "Recv", "WSAStartup", "gethostbyname", "getaddrinfo",
|
||||
"WSAIoctl", "WSASocketA", "WSASocketW",
|
||||
"URLDownloadToFileA", "URLDownloadToFileW",
|
||||
"InternetOpenA", "InternetOpenW", "InternetConnectA", "InternetConnectW",
|
||||
"InternetOpenUrlA", "InternetOpenUrlW",
|
||||
"HttpOpenRequestA", "HttpOpenRequestW", "HttpSendRequestA", "HttpSendRequestW",
|
||||
"InternetReadFile", "DnsQuery_A", "DnsQuery_W",
|
||||
"IsDebuggerPresent", "CheckRemoteDebuggerPresent", "OutputDebugStringA", "OutputDebugStringW",
|
||||
"GetTickCount", "QueryPerformanceCounter", "Sleep", "GetSystemTimeAsFileTime",
|
||||
"GetLocalTime", "GlobalMemoryStatus", "GetVersionExA", "GetVersionExW",
|
||||
"GetComputerNameA", "GetComputerNameW", "GetUserNameA", "GetUserNameW",
|
||||
"CryptAcquireContextA", "CryptAcquireContextW", "CryptCreateHash", "CryptHashData",
|
||||
"CryptDeriveKey", "CryptEncrypt", "CryptDecrypt", "CryptDestroyKey", "CryptDestroyHash",
|
||||
"CryptReleaseContext", "CryptGenKey", "CryptImportKey", "CryptExportKey",
|
||||
"RtlDecompressBuffer", "ConnectNamedPipe", "PeekNamedPipe"
|
||||
]
|
||||
self.PACKERS = {
|
||||
'upx', 'aspack', 'asprotect', 'pecompact', 'upack', 'fsg', 'mew',
|
||||
'mpress', 'ezip', 'pklt', 'shrink', 'petite', 'telock',
|
||||
'themida', 'winlicense', 'tmd', 'vmp', 'enigma', 'obsidium',
|
||||
'pelock', 'exestealth', 'yoda', 'armadillo', 'zprotect',
|
||||
'sforce', 'starforce', 'qihoo', 'wisevec', 'megastop',
|
||||
}
|
||||
self.INSTALLER_SIGS = [b"Nullsoft.NSIS", b"Inno Setup", b"7-Zip.7zip", b"InstallShield"]
|
||||
self.SCHEMA_SET = set(self.SCHEMA)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def load_path(self, path, callback=None):
|
||||
for root, _, files in os.walk(path):
|
||||
for file in files:
|
||||
full_path = os.path.join(root, file)
|
||||
if callback:
|
||||
callback(full_path)
|
||||
self.load_model(full_path)
|
||||
|
||||
def load_model(self, model_path):
|
||||
if not os.path.exists(model_path) or not model_path.endswith('.onnx'):
|
||||
return
|
||||
try:
|
||||
self.model = onnxruntime.InferenceSession(model_path, providers=['CPUExecutionProvider'])
|
||||
self.input_name = self.model.get_inputs()[0].name
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def _safe_float(self, val):
|
||||
try:
|
||||
f = float(val)
|
||||
if math.isinf(f) or math.isnan(f): return 0.0
|
||||
return f
|
||||
except:
|
||||
return 0.0
|
||||
|
||||
def _calc_entropy(self, data):
|
||||
if not data: return 0.0
|
||||
arr = numpy.frombuffer(data, dtype=numpy.uint8)
|
||||
counts = numpy.bincount(arr, minlength=256)
|
||||
probs = counts[counts > 0] / len(arr)
|
||||
return float(-numpy.sum(probs * numpy.log2(probs)))
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def extract_features(self, file_path):
|
||||
fts = {k: 0 for k in self.SCHEMA}
|
||||
pe = None
|
||||
try:
|
||||
fsize = os.path.getsize(file_path)
|
||||
if fsize == 0: return None
|
||||
|
||||
pe = pefile.PE(file_path, fast_load=True)
|
||||
fts['TrustSigned'] = 1 if self.signer.sign_verify(file_path) else 0
|
||||
|
||||
fh = pe.FILE_HEADER
|
||||
fts['Machine'] = fh.Machine
|
||||
fts['NumberOfSections'] = fh.NumberOfSections
|
||||
fts['TimeDateStamp'] = fh.TimeDateStamp
|
||||
fts['PointerToSymbolTable'] = fh.PointerToSymbolTable
|
||||
fts['NumberOfSymbols'] = fh.NumberOfSymbols
|
||||
fts['SizeOfOptionalHeader'] = fh.SizeOfOptionalHeader
|
||||
fts['Characteristics'] = fh.Characteristics
|
||||
|
||||
curr_ts = time.time()
|
||||
fts['HasInvalidTimestamp'] = 1 if (fh.TimeDateStamp < 631152000 or fh.TimeDateStamp > curr_ts + 2592000) else 0
|
||||
|
||||
if hasattr(pe, 'OPTIONAL_HEADER'):
|
||||
op = pe.OPTIONAL_HEADER
|
||||
fts['Magic'] = op.Magic
|
||||
fts['MajorLinkerVersion'] = op.MajorLinkerVersion
|
||||
fts['MinorLinkerVersion'] = op.MinorLinkerVersion
|
||||
fts['SizeOfCode'] = op.SizeOfCode
|
||||
fts['SizeOfInitializedData'] = op.SizeOfInitializedData
|
||||
fts['SizeOfUninitializedData'] = op.SizeOfUninitializedData
|
||||
fts['AddressOfEntryPoint'] = op.AddressOfEntryPoint
|
||||
fts['BaseOfCode'] = op.BaseOfCode
|
||||
fts['ImageBase'] = op.ImageBase
|
||||
fts['SectionAlignment'] = op.SectionAlignment
|
||||
fts['FileAlignment'] = op.FileAlignment
|
||||
fts['MajorOperatingSystemVersion'] = op.MajorOperatingSystemVersion
|
||||
fts['MinorOperatingSystemVersion'] = op.MinorOperatingSystemVersion
|
||||
fts['MajorImageVersion'] = op.MajorImageVersion
|
||||
fts['MinorImageVersion'] = op.MinorImageVersion
|
||||
fts['MajorSubsystemVersion'] = op.MajorSubsystemVersion
|
||||
fts['MinorSubsystemVersion'] = op.MinorSubsystemVersion
|
||||
fts['SizeOfImage'] = op.SizeOfImage
|
||||
fts['SizeOfHeaders'] = op.SizeOfHeaders
|
||||
fts['CheckSum'] = op.CheckSum
|
||||
fts['Subsystem'] = op.Subsystem
|
||||
fts['DllCharacteristics'] = op.DllCharacteristics
|
||||
fts['SizeOfStackReserve'] = op.SizeOfStackReserve
|
||||
fts['SizeOfStackCommit'] = op.SizeOfStackCommit
|
||||
fts['SizeOfHeapReserve'] = op.SizeOfHeapReserve
|
||||
fts['SizeOfHeapCommit'] = op.SizeOfHeapCommit
|
||||
fts['LoaderFlags'] = op.LoaderFlags
|
||||
fts['NumberOfRvaAndSizes'] = op.NumberOfRvaAndSizes
|
||||
|
||||
fts['Is64Bit'] = 1 if fh.Machine == 0x8664 else 0
|
||||
fts['IsExe'] = 1 if pe.is_exe() else 0
|
||||
fts['IsDll'] = 1 if pe.is_dll() else 0
|
||||
fts['IsDriver'] = 1 if pe.is_driver() else 0
|
||||
|
||||
if len(op.DATA_DIRECTORY) > 9 and op.DATA_DIRECTORY[9].VirtualAddress > 0:
|
||||
fts['HasTlsCallbacks'] = 1
|
||||
if len(op.DATA_DIRECTORY) > 5 and op.DATA_DIRECTORY[5].Size > 0:
|
||||
fts['HasRelocationDirectory'] = 1
|
||||
|
||||
pe.parse_sections(pe.FILE_HEADER.NumberOfSections)
|
||||
file_data = pe.get_memory_mapped_image()
|
||||
fts['FileEntropy'] = self._calc_entropy(file_data)
|
||||
fts['SectionCount'] = len(pe.sections)
|
||||
|
||||
for section in pe.sections:
|
||||
try:
|
||||
name = section.Name.decode('ascii', 'ignore').strip('\x00')
|
||||
except:
|
||||
name = ""
|
||||
s_data = section.get_data()
|
||||
s_entropy = self._calc_entropy(s_data)
|
||||
|
||||
if any(p in name.lower() for p in self.PACKERS):
|
||||
fts['HasPacked'] = 1
|
||||
if section.Characteristics & 0x20000000:
|
||||
fts['ExecutableSections'] += 1
|
||||
if section.Characteristics & 0x80000000:
|
||||
fts['WritableSections'] += 1
|
||||
if section.Characteristics & 0x40000000:
|
||||
fts['ReadableSections'] += 1
|
||||
if section.SizeOfRawData + section.PointerToRawData > fsize:
|
||||
fts['SectionException'] = 1
|
||||
|
||||
ratio = section.SizeOfRawData / fsize if fsize > 0 else 0
|
||||
if name.startswith('.text'):
|
||||
fts['TextSection'] = s_entropy
|
||||
fts['TextSizeRatio'] = ratio
|
||||
elif name.startswith('.data'):
|
||||
fts['DataSection'] = s_entropy
|
||||
fts['DataSizeRatio'] = ratio
|
||||
elif name.startswith('.rsrc'):
|
||||
fts['RsrcSection'] = s_entropy
|
||||
fts['RsrcSizeRatio'] = ratio
|
||||
if b"requireAdministrator" in s_data:
|
||||
fts['IsAdmin'] = 1
|
||||
for sig in self.INSTALLER_SIGS:
|
||||
if sig in s_data:
|
||||
fts['IsInstall'] = 1
|
||||
break
|
||||
|
||||
pe.parse_data_directories(directories=[
|
||||
pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_IMPORT'],
|
||||
pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_EXPORT'],
|
||||
pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_RESOURCE'],
|
||||
pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_DEBUG']
|
||||
])
|
||||
|
||||
if hasattr(pe, 'DIRECTORY_ENTRY_IMPORT'):
|
||||
for entry in pe.DIRECTORY_ENTRY_IMPORT:
|
||||
for imp in entry.imports:
|
||||
fts['ApiCount'] += 1
|
||||
if not imp or not hasattr(imp, 'name') or not imp.name:
|
||||
continue
|
||||
try:
|
||||
name = imp.name.decode('ascii', 'ignore')
|
||||
if name in self.SCHEMA_SET:
|
||||
fts[name] = 1
|
||||
except:
|
||||
pass
|
||||
|
||||
if hasattr(pe, 'DIRECTORY_ENTRY_EXPORT'):
|
||||
fts['ExportCount'] = len(pe.DIRECTORY_ENTRY_EXPORT.symbols)
|
||||
|
||||
if hasattr(pe, 'DIRECTORY_ENTRY_RESOURCE'):
|
||||
for entry in pe.DIRECTORY_ENTRY_RESOURCE.entries:
|
||||
if entry.id == 3 and hasattr(entry, 'directory'):
|
||||
fts['IconCount'] = len(entry.directory.entries)
|
||||
break
|
||||
|
||||
if hasattr(pe, 'DIRECTORY_ENTRY_DEBUG'):
|
||||
fts['DebugCount'] = len(pe.DIRECTORY_ENTRY_DEBUG)
|
||||
|
||||
return {k: self._safe_float(v) for k, v in fts.items()}
|
||||
|
||||
except Exception:
|
||||
return None
|
||||
finally:
|
||||
if pe: pe.close()
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def pe_scan(self, file_path):
|
||||
if not self.model:
|
||||
return False, False
|
||||
|
||||
try:
|
||||
data = self.extract_features(file_path)
|
||||
if not data:
|
||||
return False, False
|
||||
|
||||
vec = numpy.array(
|
||||
[data.get(feat, 0.0) for feat in self.SCHEMA],
|
||||
dtype=numpy.float32
|
||||
).reshape(1, -1)
|
||||
|
||||
outputs = self.model.run(None, {self.input_name: vec})
|
||||
result = outputs[1]
|
||||
prob = 0.0
|
||||
if isinstance(result, list):
|
||||
prob = float(result[0].get(1, 0.0))
|
||||
|
||||
score = int(prob * 100)
|
||||
if prob > 0.5:
|
||||
return f"General:WinPE/Unknown.{score}!ml", score
|
||||
|
||||
return False, False
|
||||
|
||||
except Exception:
|
||||
return False, False
|
||||
|
||||
####################################################################################################
|
||||
|
||||
class cloud_scanner:
|
||||
def __init__(self):
|
||||
pass
|
||||
|
||||
def calc_hash(self, file_path, block_size=65536):
|
||||
try:
|
||||
h = hashlib.sha256()
|
||||
with open(file_path, "rb") as f:
|
||||
for chunk in iter(lambda: f.read(block_size), b""):
|
||||
h.update(chunk)
|
||||
return h.hexdigest()
|
||||
except Exception:
|
||||
return ""
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def upload_file(self, file_path, api_host, api_key):
|
||||
try:
|
||||
sha256 = self.calc_hash(file_path)
|
||||
if not sha256:
|
||||
return False, None
|
||||
|
||||
base = api_host.rstrip('/')
|
||||
base_headers = {"X-API-Key": api_key, "User-Agent": "PYAS-Client/1.0"}
|
||||
|
||||
def _req(m, ep, files=None, **k):
|
||||
try:
|
||||
return requests.request(m, f"{base}{ep}", headers=base_headers, files=files, timeout=120, **k)
|
||||
except:
|
||||
return None
|
||||
|
||||
r = _req("GET", f"/api/processing_status/{sha256}")
|
||||
status = r.json().get('status') if r and r.status_code == 200 else 'missing'
|
||||
if status in ['failed', 'error']:
|
||||
status = 'missing'
|
||||
|
||||
if status == 'missing':
|
||||
with open(file_path, 'rb') as f:
|
||||
r = _req("POST", "/api/upload", files={'file': f})
|
||||
if not r or r.status_code != 200:
|
||||
return False, sha256
|
||||
|
||||
return True, sha256
|
||||
except Exception:
|
||||
return False, None
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def get_result(self, sha256, api_host, api_key):
|
||||
try:
|
||||
if not sha256:
|
||||
return False
|
||||
|
||||
base = api_host.rstrip('/')
|
||||
headers = {"X-API-Key": api_key, "User-Agent": "PYAS-Client/1.0"}
|
||||
|
||||
def _req(m, ep, **k):
|
||||
try:
|
||||
return requests.request(m, f"{base}{ep}", headers=headers, timeout=10, **k)
|
||||
except:
|
||||
return None
|
||||
|
||||
for _ in range(30):
|
||||
r = _req("GET", f"/api/processing_status/{sha256}")
|
||||
st = r.json().get('status') if r else 'error'
|
||||
if st == 'done':
|
||||
break
|
||||
if st in ['error', 'failed']:
|
||||
return False
|
||||
time.sleep(1)
|
||||
|
||||
r = _req("GET", f"/api/report/{sha256}")
|
||||
if r and r.status_code == 200:
|
||||
data = r.json().get('data', {})
|
||||
res = data.get('detection', {}).get('results', {}).get('PYAS', {})
|
||||
label = res.get('label', 'Unsupport')
|
||||
sims = data.get('similar', [])
|
||||
|
||||
is_malicious = 'General' in label
|
||||
sim_malicious_count = 0
|
||||
valid_sim_count = 0
|
||||
for s in sims:
|
||||
if s.get('similarity', 0) > 80:
|
||||
valid_sim_count += 1
|
||||
if "General" in s.get('label'):
|
||||
sim_malicious_count += 1
|
||||
|
||||
if is_malicious and (valid_sim_count == 0 or sim_malicious_count == valid_sim_count):
|
||||
return f"General:WinPE/Unknown.{score}!cl"
|
||||
except Exception:
|
||||
pass
|
||||
return False
|
||||
@@ -1,24 +0,0 @@
|
||||
from subprocess import *
|
||||
import os, re, sys
|
||||
|
||||
class ExtenRules:
|
||||
def __init__(self):
|
||||
self.exten = {}
|
||||
self.pyas = sys.argv[0].replace("\\", "/")
|
||||
self.dir = os.path.dirname(self.pyas)
|
||||
self.exten = os.path.join(self.dir, "Exten")
|
||||
|
||||
def bdc_scan(self, file):
|
||||
if self.exten.replace("\\", "/") not in file.replace("\\", "/"):
|
||||
cmd = f'"{self.exten}\\Bitdefender\\bdc.exe" "{file}"'
|
||||
p = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True, universal_newlines=True)
|
||||
for matchs in re.finditer(r'(?P<filename>[^\s]+)\s+infected:\s+(?P<virusname>.+)', p.communicate()[0]):
|
||||
return matchs
|
||||
return False
|
||||
|
||||
def mem_scan(self, p):
|
||||
if self.exten.replace("\\", "/") not in p.exe().replace("\\", "/"):
|
||||
cmd = f'"{self.exten}\\hollows_hunter\\hollows_hunter.exe" /ofilter 2 /pid "{p.pid}"'
|
||||
p = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True, universal_newlines=True)
|
||||
return 'Detected' in p.communicate()[0]
|
||||
return False
|
||||
+1546
-1877
File diff suppressed because it is too large.
Load diff
@@ -1,59 +0,0 @@
|
||||
translate_dict = {
|
||||
"zh_TW": {"已开启":"已開啟","已关闭":"已關閉","On":"已開啟","Off":"已關閉"},
|
||||
"zh_CN": {"已開啟":"已开启","已關閉":"已关闭","On":"已开启","Off":"已关闭",
|
||||
"軟體":"软件","檔案":"文件","確定":"确认","設定":"设置","關於":"关于",
|
||||
"錯誤":"错误","實時":"实时","發現":"发现","關閉":"关闭","裝置":"设备",
|
||||
"總數":"总数","註冊":"注册","圖標":"图标","路徑":"路径","網路":"网络",
|
||||
"位元":"字节","彈窗":"弹窗","靈敏":"敏感","複製":"复制","開啟":"开启",
|
||||
"訊":"讯","項":"项","掃":"扫","試":"试","黃":"黄","嗎":"吗","防":"保",
|
||||
"鑰":"钥","當":"当","後":"后","護":"护","導":"导","區":"区","復":"复",
|
||||
"攔":"拦","請":"请","統":"统","刪":"删","進":"进","個":"个","選":"选",
|
||||
"啟":"启","監":"监","並":"并","徑":"径","盤":"盘","隱":"隐","動":"动",
|
||||
"狀":"状","誌":"志","這":"这","會":"会","題":"题","擇":"择","語":"语",
|
||||
"無":"无","顯":"显","變":"变","戶":"户","碼":"码","雲":"云","介":"界",
|
||||
"稱":"称","類":"类","輸":"输","執":"执","數":"数","尋":"寻","網":"网",
|
||||
"詢":"询","製":"制","員":"员","許":"许","條":"条","藍":"蓝","紅":"红",
|
||||
"綠":"绿","態":"态","務":"务","連":"连","檢":"检","測":"测","關":"关",
|
||||
"強":"强","驅":"驱","為":"为","腳":"脚","單":"单","開":"开","擴":"扩",
|
||||
"惡":"恶","據":"据","庫":"库","經":"经","敗":"败","謝":"谢","別":"别",
|
||||
"載":"载","誤":"误","報":"报","鏈":"链","竄":"窜","記憶體":"内存",},
|
||||
"en_US": {"已開啟":"On","已關閉":"Off","已开启":"On","已关闭":"Off",",":", ",
|
||||
"立即刪除":"Delete Now","安全模式":"Safe Mode","官方網站":"Website ",
|
||||
"腳本":"Script ","鏈式":"Chain ","記憶體":"Memory ","加載":"Load ",
|
||||
"行為":"Behavior ","可疑":"Suspicious ","勒索":"Ransom ",
|
||||
"許可條款":"License Terms ","惡意":"Malicious","可疑":"Suspicious",
|
||||
"啟用":"Enable ","禁用":"Disable ","正在初始化中":"Initializing ",
|
||||
"正在掃描":"Scanning ","正在刪除":"Deleting ","最小化到":"Minimize To ",
|
||||
"確定要":"Sure Want To ","靈敏度":"Sensitivity ","更新":"Update ",
|
||||
"白色主題":"White","黃色主題":"Yellow","紅色主題":"Red","語言":"Language ",
|
||||
"藍色主題":"Blue","綠色主題":"Green","自定主題":"Custom","最新":"Latest ",
|
||||
"特別感謝":"Contributors ","版本資訊":"Information","通訊":"Connect ",
|
||||
"註冊表":"Registry ","退出":"Quit ","檔案":"File ","當前":"Currently ",
|
||||
"狀態":"State ","掃描":"Scan ","工具":"Tools ","防護":"Protect ",
|
||||
"失敗":"Failed ","請":"Please ","路徑":"Path ","方式":"Method ",
|
||||
"需要":"Need ","病毒":"Virus ","選擇":"Select ","返回":"Back",
|
||||
"受到":"Been ","錯誤":"Error","完成":"Complete ","引擎":"Engine ",
|
||||
"托盤":"Tray ","圖標":"Icon ","不安全":"Unsafe","增強":"Enhance ",
|
||||
"系統":"System ","雲端":"Cloud ","重啟":"Reboot ","修復":"Repair ",
|
||||
"裝置":"Device ","發現":"Found ","成功":"Success ","清理":"Cleanup ",
|
||||
"確定":"OK","執行":"Execute ","警告":"Warning ","使用":"Use ",
|
||||
"網路":"Network ","變更":"Change ","總數":"Total","結束":"End ",
|
||||
"選項":"Options ","監控":"Monitor ","連接":"Connect ","可以":"To ",
|
||||
"進程":"Process ","攔截":"Block ","引導":"Boot ","刪除":"Delete ",
|
||||
"分區":"Partition ","設定":"Settings","關於":"About","模式":"Mode ",
|
||||
"提高":"Improve ","安全":"Security ","顯色":"Color ","主題":"Themes ",
|
||||
"風險":"Risk ","介面":"GUI ","核心":"Core ","服務":"Services ",
|
||||
"管理":"Manage","所有":"All ","您":"You ","取消":"Cancel ","未":"Not ",
|
||||
"垃圾":"Junk ","位元":"byte ","本機":"Computer ","停止":"Stop ",
|
||||
"增加到":"Add To ","白名單":"White List ","軟體":"Software ","正在":"Start ",
|
||||
"增加":"Add ","移除":"Delete","項目":"Items ","生成":"Create ","稱":"",
|
||||
"複製":"Copy ","開啟":"Open ","此":"This ","並":"And ","全盤":"Full ",
|
||||
"已經在":"Already ","數據庫":"Database ","誤報":"False Positive ",
|
||||
"高":"High ","新":"New ","和":"And ","可能會":"Possible ","會":"Can ",
|
||||
"日誌":"Log","已":"Has ","彈窗":"Window ","要":"To ","驅動":"Driver ",
|
||||
"的":"","顯示":"","個":"","嗎":"","中":"","了":"","行":"","立即":"",
|
||||
"密鑰":"Key ","檢測":"Detect ","製作":"Maker ","運行":"Running",
|
||||
"擴展套件":"Extension Kit ","自動":"Auto ","上報":"Report ","與":"With ",
|
||||
"分析":"Analysis ","自身":"Self ","其他":"Other ","配置":"Config ",
|
||||
"丟失":"Lost ","網站":"Website ","不兼容":"Not Compatible ","追蹤":"Tracking ",
|
||||
"竄改":"Tamper "," ":" "}}
|
||||
+14450
-9866
File diff suppressed because it is too large.
Load diff
@@ -1,11 +0,0 @@
|
||||
slist = [".exe",".dll",".com",".msi",".scr",
|
||||
".js",".bat",".cmd",".ps1",".vbs"]
|
||||
|
||||
alist = [".exe",".dll",".zip",".7z",".rar",
|
||||
".js",".bat",".cmd",".ps1",".vbs",
|
||||
".ppt",".pptx",".wps",".txt",".rtf",
|
||||
".pdf",".xls",".xlsx",".doc",".docx",
|
||||
".jpg",".jpeg",".png",".webp",".gif",
|
||||
".mp3",".wav",".aac",".ogg",".flac",
|
||||
".mp4",".avi",".mov",".wmv",".mkv",
|
||||
".aux",".cur",".mui",".ttf",".efi"]
|
||||
+1
-1
@@ -2,7 +2,7 @@ import pyinstaller_versionfile
|
||||
|
||||
pyinstaller_versionfile.create_versionfile(
|
||||
output_file="versionfile.txt",
|
||||
version='3.1.4',
|
||||
version='3.4.0',
|
||||
company_name="PYAS Security",
|
||||
file_description="Python Antivirus Software",
|
||||
internal_name="PYAS",
|
||||
|
||||
@@ -0,0 +1,165 @@
|
||||
#pragma once
|
||||
#include <fltKernel.h>
|
||||
#include <ntddk.h>
|
||||
#include <ntdddisk.h>
|
||||
#include <ntddscsi.h>
|
||||
#include <ntstrsafe.h>
|
||||
|
||||
constexpr auto PYAS_PORT_NAME = L"\\PYAS_Output_Pipe";
|
||||
constexpr auto MAX_PATH_LEN = 1024;
|
||||
constexpr auto PYAS_POOL_TAG = 'SAYP';
|
||||
|
||||
#ifndef PROCESS_TERMINATE
|
||||
#define PROCESS_TERMINATE (0x0001)
|
||||
#endif
|
||||
#ifndef PROCESS_CREATE_THREAD
|
||||
#define PROCESS_CREATE_THREAD (0x0002)
|
||||
#endif
|
||||
#ifndef PROCESS_VM_OPERATION
|
||||
#define PROCESS_VM_OPERATION (0x0008)
|
||||
#endif
|
||||
#ifndef PROCESS_VM_READ
|
||||
#define PROCESS_VM_READ (0x0010)
|
||||
#endif
|
||||
#ifndef PROCESS_VM_WRITE
|
||||
#define PROCESS_VM_WRITE (0x0020)
|
||||
#endif
|
||||
#ifndef PROCESS_DUP_HANDLE
|
||||
#define PROCESS_DUP_HANDLE (0x0040)
|
||||
#endif
|
||||
#ifndef PROCESS_CREATE_PROCESS
|
||||
#define PROCESS_CREATE_PROCESS (0x0080)
|
||||
#endif
|
||||
#ifndef PROCESS_SET_INFORMATION
|
||||
#define PROCESS_SET_INFORMATION (0x0200)
|
||||
#endif
|
||||
#ifndef PROCESS_QUERY_INFORMATION
|
||||
#define PROCESS_QUERY_INFORMATION (0x0400)
|
||||
#endif
|
||||
#ifndef PROCESS_SUSPEND_RESUME
|
||||
#define PROCESS_SUSPEND_RESUME (0x0800)
|
||||
#endif
|
||||
#ifndef PROCESS_QUERY_LIMITED_INFORMATION
|
||||
#define PROCESS_QUERY_LIMITED_INFORMATION (0x1000)
|
||||
#endif
|
||||
#ifndef PROCESS_SET_QUOTA
|
||||
#define PROCESS_SET_QUOTA (0x0100)
|
||||
#endif
|
||||
|
||||
#ifndef POOL_FLAG_NON_PAGED
|
||||
#define POOL_FLAG_NON_PAGED 0x0000000000000040UI64
|
||||
#endif
|
||||
|
||||
#ifndef FSCTL_MANAGE_BYPASS_IO
|
||||
#define FSCTL_MANAGE_BYPASS_IO CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 188, METHOD_NEITHER, FILE_ANY_ACCESS)
|
||||
|
||||
typedef enum _FS_BPIO_OPERATIONS {
|
||||
FS_BPIO_OP_ENABLE = 1,
|
||||
FS_BPIO_OP_DISABLE = 2,
|
||||
FS_BPIO_OP_QUERY = 3,
|
||||
FS_BPIO_OP_VOLUME_STACK_PAUSE = 4,
|
||||
FS_BPIO_OP_VOLUME_STACK_RESUME = 5,
|
||||
FS_BPIO_OP_STREAM_PAUSE = 6,
|
||||
FS_BPIO_OP_STREAM_RESUME = 7,
|
||||
FS_BPIO_OP_GET_INFO = 8
|
||||
} FS_BPIO_OPERATIONS;
|
||||
|
||||
typedef struct _FS_BPIO_INPUT {
|
||||
FS_BPIO_OPERATIONS Operation;
|
||||
ULONG InFlags;
|
||||
ULONGLONG Reserved1;
|
||||
ULONGLONG Reserved2;
|
||||
} FS_BPIO_INPUT, * PFS_BPIO_INPUT;
|
||||
|
||||
typedef struct _FS_BPIO_OUTPUT {
|
||||
FS_BPIO_OPERATIONS Operation;
|
||||
ULONG OutFlags;
|
||||
ULONGLONG Reserved1;
|
||||
ULONGLONG Reserved2;
|
||||
NTSTATUS Status;
|
||||
} FS_BPIO_OUTPUT, * PFS_BPIO_OUTPUT;
|
||||
|
||||
#endif
|
||||
|
||||
typedef struct _PYAS_MESSAGE {
|
||||
ULONG MessageCode;
|
||||
ULONG ProcessId;
|
||||
WCHAR Path[MAX_PATH_LEN];
|
||||
} PYAS_MESSAGE, * PPYAS_MESSAGE;
|
||||
|
||||
typedef struct _DRIVER_DATA {
|
||||
PDRIVER_OBJECT DriverObject;
|
||||
PFLT_FILTER FilterHandle;
|
||||
PFLT_PORT ServerPort;
|
||||
PFLT_PORT ClientPort;
|
||||
PEPROCESS PyasProcess;
|
||||
ULONG PyasPid;
|
||||
LARGE_INTEGER Cookie;
|
||||
FAST_MUTEX PortMutex;
|
||||
FAST_MUTEX TrackerMutex;
|
||||
EX_RUNDOWN_REF PortRundown;
|
||||
} DRIVER_DATA, * PDRIVER_DATA;
|
||||
|
||||
typedef struct _RULE_NODE {
|
||||
struct _RULE_NODE* Next;
|
||||
UNICODE_STRING Pattern;
|
||||
} RULE_NODE, * PRULE_NODE;
|
||||
|
||||
extern DRIVER_DATA GlobalData;
|
||||
|
||||
//
|
||||
// Rule Lists Externs (Added for Exception Path support)
|
||||
//
|
||||
extern PRULE_NODE g_RegistryBlockList;
|
||||
extern PRULE_NODE g_RegistryTrustedList;
|
||||
extern PRULE_NODE g_ProcessTrustedPaths;
|
||||
extern PRULE_NODE g_ProcessExploitable;
|
||||
extern PRULE_NODE g_FileProtectedPaths;
|
||||
extern PRULE_NODE g_FileExceptionPaths; // [Added] Exception List
|
||||
extern PRULE_NODE g_FileRansomExts;
|
||||
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_PreCreate(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_PreWrite(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_PreSetInfo(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_FileSystemControl(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_SetSecurity(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectBoot_PreDeviceControl(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
|
||||
|
||||
NTSTATUS InitializeProcessProtection();
|
||||
VOID UninitializeProcessProtection();
|
||||
NTSTATUS InitializeRegistryProtection(PDRIVER_OBJECT DriverObject);
|
||||
VOID UninitializeRegistryProtection();
|
||||
|
||||
NTSTATUS LoadRulesFromDisk(PUNICODE_STRING RegistryPath);
|
||||
VOID UnloadRules();
|
||||
|
||||
VOID ImageLoadNotify(PUNICODE_STRING FullImageName, HANDLE ProcessId, PIMAGE_INFO ImageInfo);
|
||||
|
||||
NTSTATUS GetProcessImageName(HANDLE ProcessId, PUNICODE_STRING* ImageName);
|
||||
|
||||
BOOLEAN IsProcessTrusted(HANDLE ProcessId);
|
||||
BOOLEAN IsCriticalSystemProcess(HANDLE ProcessId);
|
||||
BOOLEAN IsTargetProtected(HANDLE ProcessId);
|
||||
BOOLEAN IsInstallerProcess(HANDLE ProcessId);
|
||||
BOOLEAN WildcardMatch(PCWSTR Pattern, PCWSTR String, USHORT StringLengthBytes);
|
||||
|
||||
BOOLEAN CheckRegistryRule(PCUNICODE_STRING KeyName);
|
||||
BOOLEAN CheckFileExtensionRule(PCUNICODE_STRING FileName);
|
||||
BOOLEAN CheckProtectedPathRule(PCUNICODE_STRING FileName);
|
||||
BOOLEAN CheckRansomActivity(HANDLE ProcessId, PUNICODE_STRING FileName, PVOID WriteBuffer, ULONG WriteLength, BOOLEAN IsWrite);
|
||||
|
||||
NTSTATUS SendMessageToUser(ULONG Code, ULONG Pid, PWCHAR Path, USHORT PathSize);
|
||||
|
||||
FORCEINLINE PVOID PyasAllocate(SIZE_T Size) {
|
||||
#if (NTDDI_VERSION >= NTDDI_WIN10_VB)
|
||||
return ExAllocatePool2(POOL_FLAG_NON_PAGED, Size, PYAS_POOL_TAG);
|
||||
#else
|
||||
PVOID Buffer = ExAllocatePoolWithTag(NonPagedPoolNx, Size, PYAS_POOL_TAG);
|
||||
if (Buffer) RtlZeroMemory(Buffer, Size);
|
||||
return Buffer;
|
||||
#endif
|
||||
}
|
||||
|
||||
FORCEINLINE VOID PyasFree(PVOID Ptr) {
|
||||
if (Ptr) ExFreePoolWithTag(Ptr, PYAS_POOL_TAG);
|
||||
}
|
||||
@@ -0,0 +1,155 @@
|
||||
#include "DriverCommon.h"
|
||||
|
||||
DRIVER_DATA GlobalData;
|
||||
|
||||
static NTSTATUS InstanceSetup(PCFLT_RELATED_OBJECTS FltObjects, FLT_INSTANCE_SETUP_FLAGS Flags, DEVICE_TYPE VolumeDeviceType, FLT_FILESYSTEM_TYPE VolumeFilesystemType) {
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(Flags);
|
||||
UNREFERENCED_PARAMETER(VolumeDeviceType);
|
||||
UNREFERENCED_PARAMETER(VolumeFilesystemType);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static NTSTATUS InstanceQueryTeardown(PCFLT_RELATED_OBJECTS FltObjects, FLT_INSTANCE_QUERY_TEARDOWN_FLAGS Flags) {
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(Flags);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static VOID InstanceTeardownStart(PCFLT_RELATED_OBJECTS FltObjects, FLT_INSTANCE_TEARDOWN_FLAGS Flags) {
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(Flags);
|
||||
}
|
||||
|
||||
static VOID InstanceTeardownComplete(PCFLT_RELATED_OBJECTS FltObjects, FLT_INSTANCE_TEARDOWN_FLAGS Flags) {
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(Flags);
|
||||
}
|
||||
|
||||
static NTSTATUS DriverUnload(FLT_FILTER_UNLOAD_FLAGS Flags) {
|
||||
if (!(Flags & FLTFL_FILTER_UNLOAD_MANDATORY)) {
|
||||
ExAcquireFastMutex(&GlobalData.PortMutex);
|
||||
BOOLEAN IsConnected = (GlobalData.ClientPort != NULL);
|
||||
ExReleaseFastMutex(&GlobalData.PortMutex);
|
||||
|
||||
if (IsConnected) {
|
||||
return STATUS_FLT_DO_NOT_DETACH;
|
||||
}
|
||||
}
|
||||
|
||||
PsRemoveLoadImageNotifyRoutine(ImageLoadNotify);
|
||||
UninitializeRegistryProtection();
|
||||
UninitializeProcessProtection();
|
||||
UnloadRules(); // Release JSON rules memory
|
||||
|
||||
ExWaitForRundownProtectionRelease(&GlobalData.PortRundown);
|
||||
|
||||
if (GlobalData.ServerPort) {
|
||||
FltCloseCommunicationPort(GlobalData.ServerPort);
|
||||
}
|
||||
if (GlobalData.FilterHandle) {
|
||||
FltUnregisterFilter(GlobalData.FilterHandle);
|
||||
}
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static NTSTATUS PortConnect(PFLT_PORT ClientPort, PVOID ServerPortCookie, PVOID ConnectionContext, ULONG SizeOfContext, PVOID* ConnectionPortCookie) {
|
||||
UNREFERENCED_PARAMETER(ServerPortCookie);
|
||||
UNREFERENCED_PARAMETER(ConnectionContext);
|
||||
UNREFERENCED_PARAMETER(SizeOfContext);
|
||||
UNREFERENCED_PARAMETER(ConnectionPortCookie);
|
||||
|
||||
ExAcquireFastMutex(&GlobalData.PortMutex);
|
||||
|
||||
GlobalData.ClientPort = ClientPort;
|
||||
GlobalData.PyasPid = (ULONG)(ULONG_PTR)PsGetCurrentProcessId();
|
||||
GlobalData.PyasProcess = PsGetCurrentProcess();
|
||||
|
||||
ExReInitializeRundownProtection(&GlobalData.PortRundown);
|
||||
|
||||
ExReleaseFastMutex(&GlobalData.PortMutex);
|
||||
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static VOID PortDisconnect(PVOID ConnectionCookie) {
|
||||
UNREFERENCED_PARAMETER(ConnectionCookie);
|
||||
|
||||
ExAcquireFastMutex(&GlobalData.PortMutex);
|
||||
GlobalData.ClientPort = NULL;
|
||||
GlobalData.PyasPid = 0;
|
||||
if (GlobalData.PyasProcess) {
|
||||
GlobalData.PyasProcess = NULL;
|
||||
}
|
||||
ExReleaseFastMutex(&GlobalData.PortMutex);
|
||||
|
||||
ExWaitForRundownProtectionRelease(&GlobalData.PortRundown);
|
||||
}
|
||||
|
||||
CONST FLT_OPERATION_REGISTRATION Callbacks[] = {
|
||||
{ IRP_MJ_CREATE, 0, ProtectFile_PreCreate, NULL },
|
||||
{ IRP_MJ_WRITE, 0, ProtectFile_PreWrite, NULL },
|
||||
{ IRP_MJ_SET_INFORMATION, 0, ProtectFile_PreSetInfo, NULL },
|
||||
{ IRP_MJ_SET_SECURITY, 0, ProtectFile_SetSecurity, NULL },
|
||||
{ IRP_MJ_FILE_SYSTEM_CONTROL, 0, ProtectFile_FileSystemControl, NULL },
|
||||
{ IRP_MJ_DEVICE_CONTROL, 0, ProtectBoot_PreDeviceControl, NULL },
|
||||
{ IRP_MJ_OPERATION_END }
|
||||
};
|
||||
|
||||
CONST FLT_REGISTRATION FilterRegistration = {
|
||||
sizeof(FLT_REGISTRATION),
|
||||
FLT_REGISTRATION_VERSION,
|
||||
0,
|
||||
NULL,
|
||||
Callbacks,
|
||||
DriverUnload,
|
||||
InstanceSetup,
|
||||
InstanceQueryTeardown,
|
||||
InstanceTeardownStart,
|
||||
InstanceTeardownComplete,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL
|
||||
};
|
||||
|
||||
extern "C" NTSTATUS DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath) {
|
||||
NTSTATUS status = STATUS_SUCCESS;
|
||||
PSECURITY_DESCRIPTOR sd = NULL;
|
||||
OBJECT_ATTRIBUTES oa = { 0 };
|
||||
UNICODE_STRING name = { 0 };
|
||||
|
||||
RtlZeroMemory(&GlobalData, sizeof(GlobalData));
|
||||
GlobalData.DriverObject = DriverObject;
|
||||
ExInitializeFastMutex(&GlobalData.PortMutex);
|
||||
ExInitializeFastMutex(&GlobalData.TrackerMutex);
|
||||
|
||||
ExInitializeRundownProtection(&GlobalData.PortRundown);
|
||||
|
||||
status = LoadRulesFromDisk(RegistryPath);
|
||||
if (!NT_SUCCESS(status)) {
|
||||
// Optional: Fail load if rules missing, or continue with empty rules
|
||||
// return status;
|
||||
}
|
||||
|
||||
status = FltRegisterFilter(DriverObject, &FilterRegistration, &GlobalData.FilterHandle);
|
||||
if (!NT_SUCCESS(status)) return status;
|
||||
|
||||
status = FltBuildDefaultSecurityDescriptor(&sd, FLT_PORT_ALL_ACCESS);
|
||||
if (NT_SUCCESS(status)) {
|
||||
RtlInitUnicodeString(&name, PYAS_PORT_NAME);
|
||||
InitializeObjectAttributes(&oa, &name, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, sd);
|
||||
status = FltCreateCommunicationPort(GlobalData.FilterHandle, &GlobalData.ServerPort, &oa, NULL, PortConnect, PortDisconnect, NULL, 1);
|
||||
FltFreeSecurityDescriptor(sd);
|
||||
}
|
||||
|
||||
if (!NT_SUCCESS(status)) {
|
||||
FltUnregisterFilter(GlobalData.FilterHandle);
|
||||
return status;
|
||||
}
|
||||
|
||||
InitializeProcessProtection();
|
||||
InitializeRegistryProtection(DriverObject);
|
||||
PsSetLoadImageNotifyRoutine(ImageLoadNotify);
|
||||
|
||||
return FltStartFiltering(GlobalData.FilterHandle);
|
||||
}
|
||||
@@ -0,0 +1,52 @@
|
||||
[Version]
|
||||
Signature = "$WINDOWS NT$"
|
||||
Class = ActivityMonitor
|
||||
ClassGuid = {b86dff51-a31e-4bac-b3cf-e8cfe75c9fc2}
|
||||
Provider = %ManufacturerName%
|
||||
DriverVer = 12/29/2025,1.0.0.0
|
||||
CatalogFile = PYAS_Driver.cat
|
||||
PnpLockdown = 1
|
||||
|
||||
[DestinationDirs]
|
||||
DefaultDestDir = 12
|
||||
PYAS_Driver.DriverFiles = 12
|
||||
|
||||
[SourceDisksNames]
|
||||
1 = %DiskName%,,,""
|
||||
|
||||
[SourceDisksFiles]
|
||||
PYAS_Driver.sys = 1,,
|
||||
|
||||
[DefaultInstall.NTamd64]
|
||||
OptionDesc = %ServiceDescription%
|
||||
CopyFiles = PYAS_Driver.DriverFiles
|
||||
|
||||
[DefaultInstall.NTamd64.Services]
|
||||
AddService = %ServiceName%,,PYAS_Driver.Service
|
||||
|
||||
[PYAS_Driver.DriverFiles]
|
||||
PYAS_Driver.sys
|
||||
|
||||
[PYAS_Driver.Service]
|
||||
DisplayName = %ServiceName%
|
||||
Description = %ServiceDescription%
|
||||
ServiceBinary = %12%\PYAS_Driver.sys
|
||||
Dependencies = FltMgr
|
||||
ServiceType = 2
|
||||
StartType = 3
|
||||
ErrorControl = 1
|
||||
LoadOrderGroup = "FSFilter Activity Monitor"
|
||||
AddReg = PYAS_Driver.AddReg
|
||||
|
||||
[PYAS_Driver.AddReg]
|
||||
HKR,"Parameters","DebugFlags",0x00010001,0x0
|
||||
HKR,"Parameters","SupportedFeatures",0x00010001,0x3
|
||||
HKR,"Parameters\Instances","DefaultInstance",0x00000000,"PYAS Instance"
|
||||
HKR,"Parameters\Instances\PYAS Instance","Altitude",0x00000000,"320000"
|
||||
HKR,"Parameters\Instances\PYAS Instance","Flags",0x00010001,0x0
|
||||
|
||||
[Strings]
|
||||
ManufacturerName = "PYAS Security"
|
||||
DiskName = "PYAS_Driver Source Disk"
|
||||
ServiceName = "PYAS_Driver"
|
||||
ServiceDescription = "PYAS Security Driver"
|
||||
@@ -0,0 +1,35 @@
|
||||
|
||||
Microsoft Visual Studio Solution File, Format Version 12.00
|
||||
# Visual Studio Version 17
|
||||
VisualStudioVersion = 17.14.36518.9 d17.14
|
||||
MinimumVisualStudioVersion = 10.0.40219.1
|
||||
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PYAS_Driver", "PYAS_Driver.vcxproj", "{699C79A8-A904-1976-F72A-CDD7E811CFD2}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|ARM64 = Debug|ARM64
|
||||
Debug|x64 = Debug|x64
|
||||
Release|ARM64 = Release|ARM64
|
||||
Release|x64 = Release|x64
|
||||
EndGlobalSection
|
||||
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|ARM64.ActiveCfg = Debug|ARM64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|ARM64.Build.0 = Debug|ARM64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|ARM64.Deploy.0 = Debug|ARM64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|x64.ActiveCfg = Debug|x64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|x64.Build.0 = Debug|x64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|x64.Deploy.0 = Debug|x64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|ARM64.ActiveCfg = Release|ARM64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|ARM64.Build.0 = Release|ARM64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|ARM64.Deploy.0 = Release|ARM64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|x64.ActiveCfg = Release|x64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|x64.Build.0 = Release|x64
|
||||
{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|x64.Deploy.0 = Release|x64
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
EndGlobalSection
|
||||
GlobalSection(ExtensibilityGlobals) = postSolution
|
||||
SolutionGuid = {D166699A-50D5-470E-9559-39B8E842528D}
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
@@ -0,0 +1,128 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup Label="ProjectConfigurations">
|
||||
<ProjectConfiguration Include="Debug|x64">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|x64">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Debug|ARM64">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>ARM64</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|ARM64">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>ARM64</Platform>
|
||||
</ProjectConfiguration>
|
||||
</ItemGroup>
|
||||
<PropertyGroup Label="Globals">
|
||||
<ProjectGuid>{699C79A8-A904-1976-F72A-CDD7E811CFD2}</ProjectGuid>
|
||||
<TemplateGuid>{dd38f7fc-d7bd-488b-9242-7d8754cde80d}</TemplateGuid>
|
||||
<TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
|
||||
<MinimumVisualStudioVersion>12.0</MinimumVisualStudioVersion>
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform Condition="'$(Platform)' == ''">x64</Platform>
|
||||
<RootNamespace>PYAS_Driver</RootNamespace>
|
||||
<WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
|
||||
<TargetVersion>Windows10</TargetVersion>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
|
||||
<ConfigurationType>Driver</ConfigurationType>
|
||||
<DriverType>WDM</DriverType>
|
||||
<Driver_SpectreMitigation>false</Driver_SpectreMitigation>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
|
||||
<TargetVersion>Windows10</TargetVersion>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
|
||||
<ConfigurationType>Driver</ConfigurationType>
|
||||
<DriverType>WDM</DriverType>
|
||||
<Driver_SpectreMitigation>false</Driver_SpectreMitigation>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="Configuration">
|
||||
<TargetVersion>Windows10</TargetVersion>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
|
||||
<ConfigurationType>Driver</ConfigurationType>
|
||||
<DriverType>WDM</DriverType>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
|
||||
<TargetVersion>Windows10</TargetVersion>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
|
||||
<ConfigurationType>Driver</ConfigurationType>
|
||||
<DriverType>WDM</DriverType>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
|
||||
<ImportGroup Label="ExtensionSettings">
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<PropertyGroup Label="UserMacros" />
|
||||
<PropertyGroup />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<DebuggerFlavor>DbgengKernelDebugger</DebuggerFlavor>
|
||||
<EnableInf2cat>false</EnableInf2cat>
|
||||
<Inf2CatUseLocalTime>true</Inf2CatUseLocalTime>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<DebuggerFlavor>DbgengKernelDebugger</DebuggerFlavor>
|
||||
<Inf2CatUseLocalTime>true</Inf2CatUseLocalTime>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
|
||||
<DebuggerFlavor>DbgengKernelDebugger</DebuggerFlavor>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
|
||||
<DebuggerFlavor>DbgengKernelDebugger</DebuggerFlavor>
|
||||
</PropertyGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<DriverSign>
|
||||
<FileDigestAlgorithm>sha256</FileDigestAlgorithm>
|
||||
</DriverSign>
|
||||
<ClCompile>
|
||||
<LanguageStandard>stdcpp20</LanguageStandard>
|
||||
<TreatWarningAsError>false</TreatWarningAsError>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<AdditionalDependencies>$(DDK_LIB_PATH)fltmgr.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<DriverSign>
|
||||
<FileDigestAlgorithm>sha256</FileDigestAlgorithm>
|
||||
</DriverSign>
|
||||
<ClCompile>
|
||||
<TreatWarningAsError>false</TreatWarningAsError>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<AdditionalDependencies>$(DDK_LIB_PATH)fltmgr.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemGroup>
|
||||
<Inf Include="PYAS_Driver.inf" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<FilesToPackage Include="$(TargetPath)" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="DriverCommon.h" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="DriverEntry.cpp" />
|
||||
<ClCompile Include="ProtectBoot.cpp" />
|
||||
<ClCompile Include="ProtectFile.cpp" />
|
||||
<ClCompile Include="ProtectProcess.cpp" />
|
||||
<ClCompile Include="ProtectRegistry.cpp" />
|
||||
<ClCompile Include="ProtectRules.cpp" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
||||
@@ -0,0 +1,51 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup>
|
||||
<Filter Include="Source Files">
|
||||
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
|
||||
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Header Files">
|
||||
<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
|
||||
<Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Resource Files">
|
||||
<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
|
||||
<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Driver Files">
|
||||
<UniqueIdentifier>{8E41214B-6785-4CFE-B992-037D68949A14}</UniqueIdentifier>
|
||||
<Extensions>inf;inv;inx;mof;mc;</Extensions>
|
||||
</Filter>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<Inf Include="PYAS_Driver.inf">
|
||||
<Filter>Driver Files</Filter>
|
||||
</Inf>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="DriverCommon.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="ProtectRules.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="ProtectFile.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="ProtectBoot.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="ProtectRegistry.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="ProtectProcess.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="DriverEntry.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
@@ -0,0 +1,34 @@
|
||||
#include "DriverCommon.h"
|
||||
|
||||
#ifndef IOCTL_DISK_FORMAT_TRACKS
|
||||
#define IOCTL_DISK_FORMAT_TRACKS CTL_CODE(IOCTL_DISK_BASE, 0x0006, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
|
||||
#endif
|
||||
#ifndef IOCTL_DISK_FORMAT_TRACKS_EX
|
||||
#define IOCTL_DISK_FORMAT_TRACKS_EX CTL_CODE(IOCTL_DISK_BASE, 0x000b, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
|
||||
#endif
|
||||
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectBoot_PreDeviceControl(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(CompletionContext);
|
||||
|
||||
if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
ULONG IoControlCode = Data->Iopb->Parameters.DeviceIoControl.Common.IoControlCode;
|
||||
|
||||
if (IoControlCode == IOCTL_DISK_SET_DRIVE_LAYOUT_EX ||
|
||||
IoControlCode == IOCTL_SCSI_PASS_THROUGH_DIRECT ||
|
||||
IoControlCode == IOCTL_DISK_FORMAT_TRACKS ||
|
||||
IoControlCode == IOCTL_DISK_FORMAT_TRACKS_EX) {
|
||||
|
||||
HANDLE Pid = PsGetCurrentProcessId();
|
||||
if (!IsProcessTrusted(Pid) && !IsInstallerProcess(Pid)) {
|
||||
UNICODE_STRING MsgStr = RTL_CONSTANT_STRING(L"Disk_Wiper_Attempt");
|
||||
SendMessageToUser(4001, (ULONG)(ULONG_PTR)Pid, MsgStr.Buffer, MsgStr.Length);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
}
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
@@ -0,0 +1,288 @@
|
||||
#include "DriverCommon.h"
|
||||
|
||||
static BOOLEAN IsHoneyToken(PUNICODE_STRING Path) {
|
||||
if (!Path || !Path->Buffer) return FALSE;
|
||||
if (WildcardMatch(L"*PYAS_Honey*", Path->Buffer, Path->Length) ||
|
||||
WildcardMatch(L"*Backup_Secret*", Path->Buffer, Path->Length)) {
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_PreCreate(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(CompletionContext);
|
||||
|
||||
if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
|
||||
UNICODE_STRING FileName = { 0 };
|
||||
NTSTATUS status = STATUS_SUCCESS;
|
||||
FLT_PREOP_CALLBACK_STATUS callbackStatus = FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
status = FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &nameInfo);
|
||||
if (!NT_SUCCESS(status) || !nameInfo) {
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
status = FltParseFileNameInformation(nameInfo);
|
||||
if (!NT_SUCCESS(status)) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
FileName = nameInfo->Name;
|
||||
if (!FileName.Buffer || FileName.Length == 0) {
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
HANDLE Pid = PsGetCurrentProcessId();
|
||||
BOOLEAN Trusted = IsProcessTrusted(Pid);
|
||||
|
||||
ULONG CreateDisposition = (Data->Iopb->Parameters.Create.Options >> 24) & 0xFF;
|
||||
BOOLEAN IsCreateAction = (CreateDisposition == FILE_CREATE ||
|
||||
CreateDisposition == FILE_SUPERSEDE ||
|
||||
CreateDisposition == FILE_OVERWRITE ||
|
||||
CreateDisposition == FILE_OVERWRITE_IF ||
|
||||
CreateDisposition == FILE_OPEN_IF);
|
||||
|
||||
if (IsHoneyToken(&FileName)) {
|
||||
if (!Trusted) {
|
||||
if ((Data->Iopb->Parameters.Create.SecurityContext->DesiredAccess & (FILE_WRITE_DATA | DELETE)) || IsCreateAction) {
|
||||
SendMessageToUser(5001, (ULONG)(ULONG_PTR)Pid, FileName.Buffer, FileName.Length);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
callbackStatus = FLT_PREOP_COMPLETE;
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (WildcardMatch(L"\\Device\\PhysicalDrive*", FileName.Buffer, FileName.Length) ||
|
||||
(WildcardMatch(L"\\Device\\Harddisk*", FileName.Buffer, FileName.Length) && !WildcardMatch(L"*Volume*", FileName.Buffer, FileName.Length))) {
|
||||
|
||||
if (Data->Iopb->Parameters.Create.SecurityContext->DesiredAccess &
|
||||
(FILE_WRITE_DATA | FILE_APPEND_DATA | GENERIC_WRITE | WRITE_DAC | WRITE_OWNER)) {
|
||||
|
||||
if (!Trusted && !IsInstallerProcess(Pid)) {
|
||||
UNICODE_STRING MsgStr = RTL_CONSTANT_STRING(L"Disk_Wiper_Attempt");
|
||||
SendMessageToUser(4001, (ULONG)(ULONG_PTR)Pid, MsgStr.Buffer, MsgStr.Length);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
callbackStatus = FLT_PREOP_COMPLETE;
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (CheckProtectedPathRule(&FileName)) {
|
||||
if (!Trusted) {
|
||||
if ((Data->Iopb->Parameters.Create.SecurityContext->DesiredAccess &
|
||||
(FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES | DELETE | WRITE_DAC | GENERIC_WRITE)) || IsCreateAction) {
|
||||
SendMessageToUser(2001, (ULONG)(ULONG_PTR)Pid, FileName.Buffer, FileName.Length);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
callbackStatus = FLT_PREOP_COMPLETE;
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (CheckFileExtensionRule(&FileName)) {
|
||||
if (!Trusted) {
|
||||
if (Data->Iopb->Parameters.Create.SecurityContext->DesiredAccess & (DELETE | FILE_DELETE_CHILD)) {
|
||||
if (CheckRansomActivity(Pid, &FileName, NULL, 0, FALSE)) {
|
||||
SendMessageToUser(5001, (ULONG)(ULONG_PTR)Pid, FileName.Buffer, FileName.Length);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
callbackStatus = FLT_PREOP_COMPLETE;
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
cleanup:
|
||||
if (nameInfo) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
}
|
||||
return callbackStatus;
|
||||
}
|
||||
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_PreSetInfo(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(CompletionContext);
|
||||
|
||||
if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
FILE_INFORMATION_CLASS infoClass = Data->Iopb->Parameters.SetFileInformation.FileInformationClass;
|
||||
|
||||
if (infoClass != FileDispositionInformation &&
|
||||
infoClass != FileRenameInformation &&
|
||||
infoClass != FileRenameInformationEx) {
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
|
||||
NTSTATUS status = FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &nameInfo);
|
||||
|
||||
if (!NT_SUCCESS(status) || !nameInfo) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
status = FltParseFileNameInformation(nameInfo);
|
||||
if (!NT_SUCCESS(status) || !nameInfo->Name.Buffer) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
HANDLE Pid = PsGetCurrentProcessId();
|
||||
if (!IsProcessTrusted(Pid)) {
|
||||
|
||||
if (CheckProtectedPathRule(&nameInfo->Name)) {
|
||||
SendMessageToUser(2001, (ULONG)(ULONG_PTR)Pid, nameInfo->Name.Buffer, nameInfo->Name.Length);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
|
||||
if (CheckFileExtensionRule(&nameInfo->Name)) {
|
||||
if (CheckRansomActivity(Pid, &nameInfo->Name, NULL, 0, FALSE)) {
|
||||
SendMessageToUser(5001, (ULONG)(ULONG_PTR)Pid, nameInfo->Name.Buffer, nameInfo->Name.Length);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (nameInfo) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
}
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_SetSecurity(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(CompletionContext);
|
||||
|
||||
if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
|
||||
NTSTATUS status = FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &nameInfo);
|
||||
|
||||
if (!NT_SUCCESS(status) || !nameInfo) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
status = FltParseFileNameInformation(nameInfo);
|
||||
if (!NT_SUCCESS(status) || !nameInfo->Name.Buffer) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
SECURITY_INFORMATION SecurityInfo = Data->Iopb->Parameters.SetSecurity.SecurityInformation;
|
||||
|
||||
if (SecurityInfo & (OWNER_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION)) {
|
||||
|
||||
if (CheckProtectedPathRule(&nameInfo->Name)) {
|
||||
HANDLE Pid = PsGetCurrentProcessId();
|
||||
|
||||
if (!IsProcessTrusted(Pid) && !IsInstallerProcess(Pid)) {
|
||||
SendMessageToUser(2001, (ULONG)(ULONG_PTR)Pid, nameInfo->Name.Buffer, nameInfo->Name.Length);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_PreWrite(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
|
||||
UNREFERENCED_PARAMETER(CompletionContext);
|
||||
|
||||
if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
if (Data->Iopb->IrpFlags & (IRP_PAGING_IO | IRP_SYNCHRONOUS_PAGING_IO | IRP_NOCACHE)) {
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
ULONG WriteLength = Data->Iopb->Parameters.Write.Length;
|
||||
if (WriteLength == 0) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
|
||||
NTSTATUS status = FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &nameInfo);
|
||||
|
||||
FLT_PREOP_CALLBACK_STATUS callbackStatus = FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
if (NT_SUCCESS(status) && nameInfo) {
|
||||
status = FltParseFileNameInformation(nameInfo);
|
||||
if (NT_SUCCESS(status) && nameInfo->Name.Buffer) {
|
||||
|
||||
if (CheckFileExtensionRule(&nameInfo->Name)) {
|
||||
HANDLE Pid = PsGetCurrentProcessId();
|
||||
|
||||
if (!IsProcessTrusted(Pid)) {
|
||||
|
||||
PVOID SystemBuffer = NULL;
|
||||
PMDL Mdl = Data->Iopb->Parameters.Write.MdlAddress;
|
||||
|
||||
if (!Mdl) {
|
||||
if (Data->Iopb->Parameters.Write.WriteBuffer && KeGetCurrentIrql() <= APC_LEVEL) {
|
||||
if (NT_SUCCESS(FltLockUserBuffer(Data))) {
|
||||
Mdl = Data->Iopb->Parameters.Write.MdlAddress;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (Mdl) {
|
||||
SystemBuffer = MmGetSystemAddressForMdlSafe(Mdl, NormalPagePriority | MdlMappingNoExecute);
|
||||
}
|
||||
|
||||
if (SystemBuffer) {
|
||||
if (CheckRansomActivity(Pid, &nameInfo->Name, SystemBuffer, WriteLength, TRUE)) {
|
||||
if (!IsInstallerProcess(Pid)) {
|
||||
SendMessageToUser(5001, (ULONG)(ULONG_PTR)Pid, nameInfo->Name.Buffer, nameInfo->Name.Length);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
callbackStatus = FLT_PREOP_COMPLETE;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
}
|
||||
return callbackStatus;
|
||||
}
|
||||
|
||||
FLT_PREOP_CALLBACK_STATUS ProtectFile_FileSystemControl(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(CompletionContext);
|
||||
|
||||
if (Data->Iopb->Parameters.FileSystemControl.Common.FsControlCode != FSCTL_MANAGE_BYPASS_IO) {
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
PFS_BPIO_INPUT InputBuffer = (PFS_BPIO_INPUT)Data->Iopb->Parameters.FileSystemControl.Neither.InputBuffer;
|
||||
if (!InputBuffer) return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
__try {
|
||||
if (InputBuffer->Operation == FS_BPIO_OP_ENABLE) {
|
||||
PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
|
||||
if (NT_SUCCESS(FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &nameInfo)) && nameInfo) {
|
||||
if (NT_SUCCESS(FltParseFileNameInformation(nameInfo))) {
|
||||
if (CheckFileExtensionRule(&nameInfo->Name) || CheckProtectedPathRule(&nameInfo->Name)) {
|
||||
|
||||
Data->IoStatus.Status = STATUS_NOT_SUPPORTED;
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
}
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
}
|
||||
}
|
||||
}
|
||||
__except (EXCEPTION_EXECUTE_HANDLER) {
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
@@ -0,0 +1,140 @@
|
||||
#include "DriverCommon.h"
|
||||
|
||||
PVOID ObRegistrationHandle = NULL;
|
||||
OB_CALLBACK_REGISTRATION ObRegistration;
|
||||
OB_OPERATION_REGISTRATION ObCallbacks[1];
|
||||
|
||||
static BOOLEAN IsSystemImage(PUNICODE_STRING FullImageName) {
|
||||
if (!FullImageName || !FullImageName->Buffer) return FALSE;
|
||||
|
||||
if (WildcardMatch(L"*\\Windows\\System32\\*", FullImageName->Buffer, FullImageName->Length) ||
|
||||
WildcardMatch(L"*\\Windows\\SysWOW64\\*", FullImageName->Buffer, FullImageName->Length) ||
|
||||
WildcardMatch(L"*\\Windows\\WinSxS\\*", FullImageName->Buffer, FullImageName->Length) ||
|
||||
WildcardMatch(L"*\\Windows\\Microsoft.NET\\*", FullImageName->Buffer, FullImageName->Length) ||
|
||||
WildcardMatch(L"*\\Common Files\\Microsoft Shared\\*", FullImageName->Buffer, FullImageName->Length) ||
|
||||
WildcardMatch(L"*\\Program Files*\\*", FullImageName->Buffer, FullImageName->Length)) {
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
VOID ImageLoadNotify(PUNICODE_STRING FullImageName, HANDLE ProcessId, PIMAGE_INFO ImageInfo) {
|
||||
UNREFERENCED_PARAMETER(ImageInfo);
|
||||
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return;
|
||||
if (!FullImageName || !FullImageName->Buffer) return;
|
||||
if (ProcessId == (HANDLE)0) return;
|
||||
|
||||
if (IsSystemImage(FullImageName)) return;
|
||||
|
||||
if (IsTargetProtected(ProcessId)) {
|
||||
if (CheckFileExtensionRule(FullImageName)) {
|
||||
SendMessageToUser(6001, (ULONG)(ULONG_PTR)ProcessId, FullImageName->Buffer, FullImageName->Length);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static BOOLEAN IsBlacklistedAdminTool(HANDLE ProcessId) {
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return FALSE;
|
||||
|
||||
NTSTATUS status;
|
||||
BOOLEAN isBlacklisted = FALSE;
|
||||
PEPROCESS Process = NULL;
|
||||
PUNICODE_STRING imageFileName = NULL;
|
||||
|
||||
status = PsLookupProcessByProcessId(ProcessId, &Process);
|
||||
if (!NT_SUCCESS(status)) return FALSE;
|
||||
|
||||
status = SeLocateProcessImageName(Process, &imageFileName);
|
||||
|
||||
if (NT_SUCCESS(status) && imageFileName) {
|
||||
if (imageFileName->Buffer) {
|
||||
if (WildcardMatch(L"*Taskmgr.exe", imageFileName->Buffer, imageFileName->Length) ||
|
||||
WildcardMatch(L"*taskkill.exe", imageFileName->Buffer, imageFileName->Length) ||
|
||||
WildcardMatch(L"*ProcessHacker.exe", imageFileName->Buffer, imageFileName->Length) ||
|
||||
WildcardMatch(L"*procmon.exe", imageFileName->Buffer, imageFileName->Length)) {
|
||||
isBlacklisted = TRUE;
|
||||
}
|
||||
}
|
||||
ExFreePool(imageFileName);
|
||||
}
|
||||
|
||||
ObDereferenceObject(Process);
|
||||
return isBlacklisted;
|
||||
}
|
||||
|
||||
static OB_PREOP_CALLBACK_STATUS PreOpenProcess(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION OperationInformation) {
|
||||
UNREFERENCED_PARAMETER(RegistrationContext);
|
||||
|
||||
if (OperationInformation->KernelHandle) return OB_PREOP_SUCCESS;
|
||||
|
||||
PEPROCESS TargetProcess = (PEPROCESS)OperationInformation->Object;
|
||||
if (!TargetProcess) return OB_PREOP_SUCCESS;
|
||||
|
||||
HANDLE TargetPid = PsGetProcessId(TargetProcess);
|
||||
HANDLE SourcePid = PsGetCurrentProcessId();
|
||||
|
||||
if (SourcePid == TargetPid) return OB_PREOP_SUCCESS;
|
||||
|
||||
if ((ULONG)(ULONG_PTR)SourcePid == GlobalData.PyasPid) return OB_PREOP_SUCCESS;
|
||||
if (SourcePid == (HANDLE)4) return OB_PREOP_SUCCESS;
|
||||
|
||||
BOOLEAN bProtected = IsTargetProtected(TargetPid);
|
||||
|
||||
if (bProtected) {
|
||||
BOOLEAN bIsInstaller = IsInstallerProcess(SourcePid);
|
||||
|
||||
if (bIsInstaller) {
|
||||
if (IsBlacklistedAdminTool(SourcePid)) {
|
||||
bIsInstaller = FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
if (bIsInstaller) return OB_PREOP_SUCCESS;
|
||||
|
||||
ACCESS_MASK DenyMask = PROCESS_TERMINATE |
|
||||
PROCESS_VM_OPERATION |
|
||||
PROCESS_VM_WRITE |
|
||||
PROCESS_CREATE_THREAD |
|
||||
PROCESS_VM_READ |
|
||||
PROCESS_DUP_HANDLE |
|
||||
PROCESS_SUSPEND_RESUME |
|
||||
PROCESS_SET_INFORMATION |
|
||||
PROCESS_SET_QUOTA;
|
||||
|
||||
OperationInformation->Parameters->CreateHandleInformation.DesiredAccess &= ~DenyMask;
|
||||
OperationInformation->Parameters->CreateHandleInformation.OriginalDesiredAccess &= ~DenyMask;
|
||||
|
||||
if (OperationInformation->Operation == OB_OPERATION_HANDLE_DUPLICATE) {
|
||||
OperationInformation->Parameters->DuplicateHandleInformation.DesiredAccess &= ~DenyMask;
|
||||
OperationInformation->Parameters->DuplicateHandleInformation.OriginalDesiredAccess &= ~DenyMask;
|
||||
}
|
||||
}
|
||||
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
|
||||
NTSTATUS InitializeProcessProtection() {
|
||||
static UNICODE_STRING Altitude = { 0 };
|
||||
RtlInitUnicodeString(&Altitude, L"320000");
|
||||
|
||||
ObCallbacks[0].ObjectType = PsProcessType;
|
||||
ObCallbacks[0].Operations = OB_OPERATION_HANDLE_CREATE | OB_OPERATION_HANDLE_DUPLICATE;
|
||||
ObCallbacks[0].PreOperation = PreOpenProcess;
|
||||
ObCallbacks[0].PostOperation = NULL;
|
||||
|
||||
ObRegistration.Version = OB_FLT_REGISTRATION_VERSION;
|
||||
ObRegistration.OperationRegistrationCount = 1;
|
||||
ObRegistration.Altitude = Altitude;
|
||||
ObRegistration.RegistrationContext = NULL;
|
||||
ObRegistration.OperationRegistration = ObCallbacks;
|
||||
|
||||
return ObRegisterCallbacks(&ObRegistration, &ObRegistrationHandle);
|
||||
}
|
||||
|
||||
VOID UninitializeProcessProtection() {
|
||||
if (ObRegistrationHandle) {
|
||||
ObUnRegisterCallbacks(ObRegistrationHandle);
|
||||
ObRegistrationHandle = NULL;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,253 @@
|
||||
#include "DriverCommon.h"
|
||||
|
||||
LARGE_INTEGER Cookie;
|
||||
|
||||
static BOOLEAN IsBamRegistryPath(PCUNICODE_STRING KeyName) {
|
||||
if (!KeyName || !KeyName->Buffer) return FALSE;
|
||||
if (WildcardMatch(L"*\\Services\\bam\\*", KeyName->Buffer, KeyName->Length)) {
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static BOOLEAN IsWriteAccess(ACCESS_MASK Access) {
|
||||
if (Access & (KEY_SET_VALUE | KEY_CREATE_SUB_KEY | KEY_CREATE_LINK |
|
||||
DELETE | WRITE_DAC | WRITE_OWNER | GENERIC_WRITE)) {
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static PWCHAR GetFullPath(PVOID RootObject, PUNICODE_STRING CompleteName, PULONG OutLength) {
|
||||
PWCHAR Buffer = NULL;
|
||||
ULONG TotalSize = 0;
|
||||
PCUNICODE_STRING RootName = NULL;
|
||||
BOOLEAN NeedFreeRootName = FALSE;
|
||||
|
||||
if (RootObject) {
|
||||
NTSTATUS status = CmCallbackGetKeyObjectIDEx(&Cookie, RootObject, NULL, &RootName, 0);
|
||||
if (NT_SUCCESS(status) && RootName) {
|
||||
NeedFreeRootName = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
ULONG RootLen = (RootName && RootName->Buffer) ? RootName->Length : 0;
|
||||
ULONG RelLen = (CompleteName && CompleteName->Buffer) ? CompleteName->Length : 0;
|
||||
|
||||
TotalSize = RootLen + sizeof(WCHAR) + RelLen + sizeof(WCHAR);
|
||||
|
||||
Buffer = (PWCHAR)PyasAllocate(TotalSize);
|
||||
if (!Buffer) {
|
||||
if (NeedFreeRootName) CmCallbackReleaseKeyObjectIDEx(RootName);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
RtlZeroMemory(Buffer, TotalSize);
|
||||
|
||||
PWCHAR Current = Buffer;
|
||||
if (RootLen > 0) {
|
||||
RtlCopyMemory(Current, RootName->Buffer, RootLen);
|
||||
Current += (RootLen / sizeof(WCHAR));
|
||||
if (Current > Buffer && *(Current - 1) != L'\\') {
|
||||
*Current = L'\\';
|
||||
Current++;
|
||||
}
|
||||
}
|
||||
|
||||
if (RelLen > 0) {
|
||||
if (RootLen > 0 && CompleteName->Buffer[0] == L'\\') {
|
||||
RtlCopyMemory(Current, CompleteName->Buffer + 1, RelLen - sizeof(WCHAR));
|
||||
}
|
||||
else {
|
||||
RtlCopyMemory(Current, CompleteName->Buffer, RelLen);
|
||||
}
|
||||
}
|
||||
|
||||
if (NeedFreeRootName) CmCallbackReleaseKeyObjectIDEx(RootName);
|
||||
|
||||
if (OutLength) *OutLength = (ULONG)wcslen(Buffer) * sizeof(WCHAR);
|
||||
return Buffer;
|
||||
}
|
||||
|
||||
static NTSTATUS RegistryCallback(PVOID CallbackContext, PVOID Argument1, PVOID Argument2) {
|
||||
UNREFERENCED_PARAMETER(CallbackContext);
|
||||
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return STATUS_SUCCESS;
|
||||
|
||||
REG_NOTIFY_CLASS Class = (REG_NOTIFY_CLASS)(ULONG_PTR)Argument1;
|
||||
NTSTATUS status = STATUS_SUCCESS;
|
||||
|
||||
if (Class == RegNtPreCreateKey || Class == RegNtPreOpenKey || Class == RegNtPreOpenKeyEx) {
|
||||
PVOID RootObject = NULL;
|
||||
PUNICODE_STRING CompleteName = NULL;
|
||||
ACCESS_MASK DesiredAccess = 0;
|
||||
|
||||
if (Class == RegNtPreCreateKey) {
|
||||
REG_CREATE_KEY_INFORMATION* Info = (REG_CREATE_KEY_INFORMATION*)Argument2;
|
||||
RootObject = Info->RootObject;
|
||||
CompleteName = Info->CompleteName;
|
||||
DesiredAccess = Info->DesiredAccess;
|
||||
}
|
||||
else {
|
||||
REG_OPEN_KEY_INFORMATION* Info = (REG_OPEN_KEY_INFORMATION*)Argument2;
|
||||
RootObject = Info->RootObject;
|
||||
CompleteName = Info->CompleteName;
|
||||
DesiredAccess = Info->DesiredAccess;
|
||||
}
|
||||
|
||||
if (!IsWriteAccess(DesiredAccess)) {
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
ULONG PathLen = 0;
|
||||
PWCHAR FullPathBuffer = GetFullPath(RootObject, CompleteName, &PathLen);
|
||||
|
||||
if (FullPathBuffer) {
|
||||
UNICODE_STRING FullPath;
|
||||
RtlInitUnicodeString(&FullPath, FullPathBuffer);
|
||||
|
||||
if (CheckRegistryRule(&FullPath)) {
|
||||
HANDLE Pid = PsGetCurrentProcessId();
|
||||
if (!IsProcessTrusted(Pid) && !IsInstallerProcess(Pid)) {
|
||||
SendMessageToUser(3001, (ULONG)(ULONG_PTR)Pid, FullPath.Buffer, FullPath.Length);
|
||||
status = STATUS_ACCESS_DENIED;
|
||||
}
|
||||
}
|
||||
PyasFree(FullPathBuffer);
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
if (Class == RegNtPreDeleteKey) {
|
||||
REG_DELETE_KEY_INFORMATION* Info = (REG_DELETE_KEY_INFORMATION*)Argument2;
|
||||
PCUNICODE_STRING KeyName = NULL;
|
||||
|
||||
if (NT_SUCCESS(CmCallbackGetKeyObjectIDEx(&Cookie, Info->Object, NULL, &KeyName, 0))) {
|
||||
if (KeyName) {
|
||||
if (CheckRegistryRule(KeyName)) {
|
||||
HANDLE Pid = PsGetCurrentProcessId();
|
||||
if (!IsProcessTrusted(Pid) && !IsInstallerProcess(Pid)) {
|
||||
SendMessageToUser(3001, (ULONG)(ULONG_PTR)Pid, KeyName->Buffer, KeyName->Length);
|
||||
status = STATUS_ACCESS_DENIED;
|
||||
}
|
||||
}
|
||||
CmCallbackReleaseKeyObjectIDEx(KeyName);
|
||||
}
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
if (Class == RegNtPreSetValueKey) {
|
||||
REG_SET_VALUE_KEY_INFORMATION* Info = (REG_SET_VALUE_KEY_INFORMATION*)Argument2;
|
||||
PCUNICODE_STRING KeyName = NULL;
|
||||
|
||||
if (NT_SUCCESS(CmCallbackGetKeyObjectIDEx(&Cookie, Info->Object, NULL, &KeyName, 0))) {
|
||||
if (KeyName && KeyName->Buffer) {
|
||||
if (!IsBamRegistryPath(KeyName)) {
|
||||
ULONG FullSize = KeyName->Length + sizeof(WCHAR) +
|
||||
(Info->ValueName ? Info->ValueName->Length : 0) +
|
||||
sizeof(WCHAR);
|
||||
|
||||
PWCHAR Buffer = (PWCHAR)PyasAllocate(FullSize);
|
||||
if (Buffer) {
|
||||
UNICODE_STRING FullPath;
|
||||
FullPath.Buffer = Buffer;
|
||||
FullPath.Length = 0;
|
||||
FullPath.MaximumLength = (USHORT)FullSize;
|
||||
|
||||
RtlCopyUnicodeString(&FullPath, KeyName);
|
||||
|
||||
if (Info->ValueName && Info->ValueName->Length > 0) {
|
||||
if (FullPath.Length > 0 && FullPath.Buffer[(FullPath.Length / sizeof(WCHAR)) - 1] != L'\\') {
|
||||
RtlAppendUnicodeToString(&FullPath, L"\\");
|
||||
}
|
||||
RtlAppendUnicodeStringToString(&FullPath, Info->ValueName);
|
||||
}
|
||||
|
||||
if (CheckRegistryRule(&FullPath)) {
|
||||
HANDLE Pid = PsGetCurrentProcessId();
|
||||
|
||||
BOOLEAN IsCriticalReg = FALSE;
|
||||
if (WildcardMatch(L"*\\MACHINE\\SAM*", FullPath.Buffer, FullPath.Length) ||
|
||||
WildcardMatch(L"*\\MACHINE\\SECURITY*", FullPath.Buffer, FullPath.Length) ||
|
||||
WildcardMatch(L"*\\MACHINE\\SYSTEM*", FullPath.Buffer, FullPath.Length) ||
|
||||
WildcardMatch(L"*\\MACHINE\\BCD00000000*", FullPath.Buffer, FullPath.Length)) {
|
||||
if (IsCriticalSystemProcess(Pid)) {
|
||||
IsCriticalReg = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
if (!IsCriticalReg) {
|
||||
if (!IsProcessTrusted(Pid) && !IsInstallerProcess(Pid)) {
|
||||
SendMessageToUser(3001, (ULONG)(ULONG_PTR)Pid, FullPath.Buffer, FullPath.Length);
|
||||
status = STATUS_ACCESS_DENIED;
|
||||
}
|
||||
}
|
||||
}
|
||||
PyasFree(Buffer);
|
||||
}
|
||||
}
|
||||
CmCallbackReleaseKeyObjectIDEx(KeyName);
|
||||
}
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
if (Class == RegNtPreDeleteValueKey) {
|
||||
REG_DELETE_VALUE_KEY_INFORMATION* Info = (REG_DELETE_VALUE_KEY_INFORMATION*)Argument2;
|
||||
PCUNICODE_STRING KeyName = NULL;
|
||||
|
||||
if (NT_SUCCESS(CmCallbackGetKeyObjectIDEx(&Cookie, Info->Object, NULL, &KeyName, 0))) {
|
||||
if (KeyName && KeyName->Buffer) {
|
||||
if (!IsBamRegistryPath(KeyName)) {
|
||||
ULONG FullSize = KeyName->Length + sizeof(WCHAR) +
|
||||
(Info->ValueName ? Info->ValueName->Length : 0) +
|
||||
sizeof(WCHAR);
|
||||
|
||||
PWCHAR Buffer = (PWCHAR)PyasAllocate(FullSize);
|
||||
if (Buffer) {
|
||||
UNICODE_STRING FullPath;
|
||||
FullPath.Buffer = Buffer;
|
||||
FullPath.Length = 0;
|
||||
FullPath.MaximumLength = (USHORT)FullSize;
|
||||
|
||||
RtlCopyUnicodeString(&FullPath, KeyName);
|
||||
|
||||
if (Info->ValueName && Info->ValueName->Length > 0) {
|
||||
if (FullPath.Length > 0 && FullPath.Buffer[(FullPath.Length / sizeof(WCHAR)) - 1] != L'\\') {
|
||||
RtlAppendUnicodeToString(&FullPath, L"\\");
|
||||
}
|
||||
RtlAppendUnicodeStringToString(&FullPath, Info->ValueName);
|
||||
}
|
||||
|
||||
if (CheckRegistryRule(&FullPath)) {
|
||||
HANDLE Pid = PsGetCurrentProcessId();
|
||||
if (!IsProcessTrusted(Pid) && !IsInstallerProcess(Pid)) {
|
||||
SendMessageToUser(3001, (ULONG)(ULONG_PTR)Pid, FullPath.Buffer, FullPath.Length);
|
||||
status = STATUS_ACCESS_DENIED;
|
||||
}
|
||||
}
|
||||
PyasFree(Buffer);
|
||||
}
|
||||
}
|
||||
CmCallbackReleaseKeyObjectIDEx(KeyName);
|
||||
}
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
NTSTATUS InitializeRegistryProtection(PDRIVER_OBJECT DriverObject) {
|
||||
UNICODE_STRING Altitude;
|
||||
RtlInitUnicodeString(&Altitude, L"320000");
|
||||
return CmRegisterCallbackEx(RegistryCallback, &Altitude, DriverObject, NULL, &Cookie, NULL);
|
||||
}
|
||||
|
||||
VOID UninitializeRegistryProtection() {
|
||||
if (Cookie.QuadPart != 0) {
|
||||
CmUnRegisterCallback(Cookie);
|
||||
Cookie.QuadPart = 0;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,791 @@
|
||||
#include "DriverCommon.h"
|
||||
|
||||
constexpr auto MAX_TRACKERS = 64;
|
||||
constexpr auto RANSOM_TIME_WINDOW_MS = 3000;
|
||||
constexpr auto RANSOM_COUNT_THRESHOLD = 5;
|
||||
constexpr auto HIGH_ENTROPY_THRESHOLD = 10;
|
||||
|
||||
constexpr auto TRUST_CACHE_SIZE = 128;
|
||||
constexpr auto TRUST_CACHE_TTL_SEC = 300;
|
||||
|
||||
typedef struct _RANSOM_TRACKER {
|
||||
HANDLE ProcessId;
|
||||
ULONG ActivityCount;
|
||||
LARGE_INTEGER LastActivityTime;
|
||||
} RANSOM_TRACKER, * PRANSOM_TRACKER;
|
||||
|
||||
typedef struct _TRUST_CACHE_ENTRY {
|
||||
HANDLE ProcessId;
|
||||
BOOLEAN IsTrusted;
|
||||
LARGE_INTEGER CacheTime;
|
||||
} TRUST_CACHE_ENTRY, * PTRUST_CACHE_ENTRY;
|
||||
|
||||
RANSOM_TRACKER RansomTrackers[MAX_TRACKERS];
|
||||
TRUST_CACHE_ENTRY TrustCache[TRUST_CACHE_SIZE];
|
||||
FAST_MUTEX TrustCacheLock;
|
||||
|
||||
static BOOLEAN g_CacheInitialized = FALSE;
|
||||
|
||||
ERESOURCE RuleLock;
|
||||
PRULE_NODE g_RegistryBlockList = NULL;
|
||||
PRULE_NODE g_RegistryTrustedList = NULL;
|
||||
PRULE_NODE g_ProcessTrustedPaths = NULL;
|
||||
PRULE_NODE g_ProcessExploitable = NULL;
|
||||
PRULE_NODE g_FileProtectedPaths = NULL;
|
||||
PRULE_NODE g_FileExceptionPaths = NULL;
|
||||
PRULE_NODE g_FileRansomExts = NULL;
|
||||
|
||||
const PCWSTR Helper_NaturallyCompressedExtensions[] = {
|
||||
L".zip", L".7z", L".rar", L".tar", L".gz",
|
||||
L".jpg", L".jpeg", L".png", L".webp", L".gif",
|
||||
L".mp3", L".wav", L".aac", L".ogg", L".flac",
|
||||
L".mp4", L".avi", L".mov", L".wmv", L".mkv",
|
||||
L".docx", L".xlsx", L".pptx", L".pdf", L".wps",
|
||||
L".apk", L".jar", L".class", L".db", L".sqlite"
|
||||
};
|
||||
|
||||
static VOID FreeList(PRULE_NODE* Head) {
|
||||
PRULE_NODE Current = *Head;
|
||||
while (Current) {
|
||||
PRULE_NODE Next = Current->Next;
|
||||
if (Current->Pattern.Buffer) PyasFree(Current->Pattern.Buffer);
|
||||
PyasFree(Current);
|
||||
Current = Next;
|
||||
}
|
||||
*Head = NULL;
|
||||
}
|
||||
|
||||
static VOID AddRule(PRULE_NODE* Head, PUNICODE_STRING RuleStr) {
|
||||
if (!RuleStr || !RuleStr->Buffer) return;
|
||||
|
||||
PRULE_NODE Node = (PRULE_NODE)PyasAllocate(sizeof(RULE_NODE));
|
||||
if (!Node) return;
|
||||
|
||||
SIZE_T Size = RuleStr->Length + sizeof(WCHAR);
|
||||
Node->Pattern.Buffer = (PWCHAR)PyasAllocate(Size);
|
||||
if (!Node->Pattern.Buffer) {
|
||||
PyasFree(Node);
|
||||
return;
|
||||
}
|
||||
|
||||
RtlCopyMemory(Node->Pattern.Buffer, RuleStr->Buffer, RuleStr->Length);
|
||||
Node->Pattern.Buffer[RuleStr->Length / sizeof(WCHAR)] = L'\0';
|
||||
Node->Pattern.Length = RuleStr->Length;
|
||||
Node->Pattern.MaximumLength = (USHORT)Size;
|
||||
|
||||
Node->Next = *Head;
|
||||
*Head = Node;
|
||||
}
|
||||
|
||||
static BOOLEAN HasSuffix(PCUNICODE_STRING String, PCWSTR Suffix) {
|
||||
if (!String || !String->Buffer || !Suffix) return FALSE;
|
||||
|
||||
SIZE_T StringLenChars = String->Length / sizeof(WCHAR);
|
||||
SIZE_T SuffixLenChars = 0;
|
||||
|
||||
while (Suffix[SuffixLenChars] != L'\0') {
|
||||
SuffixLenChars++;
|
||||
}
|
||||
|
||||
if (StringLenChars < SuffixLenChars) return FALSE;
|
||||
|
||||
PCWSTR Ptr = String->Buffer + (StringLenChars - SuffixLenChars);
|
||||
|
||||
for (SIZE_T i = 0; i < SuffixLenChars; i++) {
|
||||
if (RtlDowncaseUnicodeChar(Ptr[i]) != RtlDowncaseUnicodeChar(Suffix[i])) {
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOLEAN WildcardMatch(PCWSTR Pattern, PCWSTR String, USHORT StringLengthBytes) {
|
||||
if (!Pattern || !String) return FALSE;
|
||||
|
||||
PCWSTR mp = NULL;
|
||||
PCWSTR cp = NULL;
|
||||
PCWSTR StringEnd = (PCWSTR)((PUCHAR)String + StringLengthBytes);
|
||||
|
||||
while (String < StringEnd) {
|
||||
if (*Pattern == L'*') {
|
||||
mp = ++Pattern;
|
||||
cp = String + 1;
|
||||
}
|
||||
else if (*Pattern == L'?' || (RtlDowncaseUnicodeChar(*Pattern) == RtlDowncaseUnicodeChar(*String))) {
|
||||
Pattern++;
|
||||
String++;
|
||||
}
|
||||
else if (mp) {
|
||||
Pattern = mp;
|
||||
String = cp++;
|
||||
}
|
||||
else {
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
while (*Pattern == L'*') {
|
||||
Pattern++;
|
||||
}
|
||||
return !*Pattern;
|
||||
}
|
||||
|
||||
static ULONG ProcessJsonUnescape(PWCHAR Buffer, ULONG LengthChars) {
|
||||
if (!Buffer || LengthChars == 0) return 0;
|
||||
|
||||
ULONG WriteIdx = 0;
|
||||
ULONG ReadIdx = 0;
|
||||
|
||||
while (ReadIdx < LengthChars) {
|
||||
if (Buffer[ReadIdx] == L'\\' && (ReadIdx + 1 < LengthChars)) {
|
||||
WCHAR NextChar = Buffer[ReadIdx + 1];
|
||||
if (NextChar == L'\\' || NextChar == L'"' || NextChar == L'/') {
|
||||
Buffer[WriteIdx++] = NextChar;
|
||||
ReadIdx += 2;
|
||||
}
|
||||
else if (NextChar == L'n') { Buffer[WriteIdx++] = L'\n'; ReadIdx += 2; }
|
||||
else if (NextChar == L'r') { Buffer[WriteIdx++] = L'\r'; ReadIdx += 2; }
|
||||
else if (NextChar == L't') { Buffer[WriteIdx++] = L'\t'; ReadIdx += 2; }
|
||||
else {
|
||||
Buffer[WriteIdx++] = Buffer[ReadIdx++];
|
||||
}
|
||||
}
|
||||
else {
|
||||
Buffer[WriteIdx++] = Buffer[ReadIdx++];
|
||||
}
|
||||
}
|
||||
|
||||
Buffer[WriteIdx] = L'\0';
|
||||
return WriteIdx * sizeof(WCHAR);
|
||||
}
|
||||
|
||||
static VOID SkipWhitespace(PCHAR* Ptr, PCHAR End) {
|
||||
while (*Ptr < End) {
|
||||
char c = **Ptr;
|
||||
if (c == ' ' || c == '\t' || c == '\n' || c == '\r') {
|
||||
(*Ptr)++;
|
||||
}
|
||||
else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static VOID ParseAndLoadRules(PCHAR JsonContent, ULONG ContentLength, PCSTR KeyName, PRULE_NODE* ListHead) {
|
||||
if (!JsonContent || !KeyName || !ListHead) return;
|
||||
|
||||
PCHAR Ptr = JsonContent;
|
||||
PCHAR End = JsonContent + ContentLength;
|
||||
SIZE_T KeyLen = 0;
|
||||
while (KeyName[KeyLen] != '\0') KeyLen++;
|
||||
|
||||
while (Ptr < End) {
|
||||
if (*Ptr == '"') {
|
||||
if ((SIZE_T)(End - Ptr) > KeyLen && RtlCompareMemory(Ptr + 1, KeyName, KeyLen) == KeyLen) {
|
||||
if (*(Ptr + 1 + KeyLen) == '"') {
|
||||
Ptr += 1 + KeyLen + 1;
|
||||
|
||||
SkipWhitespace(&Ptr, End);
|
||||
if (Ptr >= End || *Ptr != ':') continue;
|
||||
Ptr++;
|
||||
|
||||
SkipWhitespace(&Ptr, End);
|
||||
if (Ptr >= End || *Ptr != '[') continue;
|
||||
Ptr++;
|
||||
|
||||
while (Ptr < End) {
|
||||
SkipWhitespace(&Ptr, End);
|
||||
if (Ptr >= End) break;
|
||||
|
||||
if (*Ptr == ']') {
|
||||
Ptr++;
|
||||
return;
|
||||
}
|
||||
|
||||
if (*Ptr == '"') {
|
||||
PCHAR StartQuote = ++Ptr;
|
||||
while (Ptr < End) {
|
||||
if (*Ptr == '"' && *(Ptr - 1) != '\\') break;
|
||||
Ptr++;
|
||||
}
|
||||
|
||||
if (Ptr < End && *Ptr == '"') {
|
||||
ULONG UTF8Len = (ULONG)(Ptr - StartQuote);
|
||||
if (UTF8Len > 0) {
|
||||
ULONG WideSize = 0;
|
||||
RtlUTF8ToUnicodeN(NULL, 0, &WideSize, StartQuote, UTF8Len);
|
||||
|
||||
if (WideSize > 0) {
|
||||
PWCHAR WideBuffer = (PWCHAR)PyasAllocate(WideSize + sizeof(WCHAR));
|
||||
if (WideBuffer) {
|
||||
ULONG ResultSize = 0;
|
||||
RtlUTF8ToUnicodeN(WideBuffer, WideSize, &ResultSize, StartQuote, UTF8Len);
|
||||
ULONG FinalSize = ProcessJsonUnescape(WideBuffer, ResultSize / sizeof(WCHAR));
|
||||
|
||||
UNICODE_STRING Us;
|
||||
Us.Buffer = WideBuffer;
|
||||
Us.Length = (USHORT)FinalSize;
|
||||
Us.MaximumLength = (USHORT)(WideSize + sizeof(WCHAR));
|
||||
|
||||
AddRule(ListHead, &Us);
|
||||
PyasFree(WideBuffer);
|
||||
}
|
||||
}
|
||||
}
|
||||
Ptr++;
|
||||
}
|
||||
}
|
||||
else if (*Ptr == ',') {
|
||||
Ptr++;
|
||||
}
|
||||
else {
|
||||
Ptr++;
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
Ptr++;
|
||||
}
|
||||
}
|
||||
|
||||
NTSTATUS LoadRulesFromDisk(PUNICODE_STRING RegistryPath) {
|
||||
NTSTATUS status = STATUS_SUCCESS;
|
||||
HANDLE FileHandle = NULL;
|
||||
IO_STATUS_BLOCK IoStatus = { 0 };
|
||||
OBJECT_ATTRIBUTES oa = { 0 };
|
||||
UNICODE_STRING ImagePathName;
|
||||
OBJECT_ATTRIBUTES RegOa = { 0 };
|
||||
HANDLE RegHandle = NULL;
|
||||
PKEY_VALUE_PARTIAL_INFORMATION Info = NULL;
|
||||
ULONG ResultLength = 0;
|
||||
PWCHAR PathBuffer = NULL;
|
||||
SIZE_T PathBufferSize = 0;
|
||||
UNICODE_STRING FinalPath = { 0 };
|
||||
|
||||
RtlInitUnicodeString(&ImagePathName, L"ImagePath");
|
||||
ExInitializeResourceLite(&RuleLock);
|
||||
|
||||
InitializeObjectAttributes(&RegOa, RegistryPath, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
|
||||
status = ZwOpenKey(&RegHandle, KEY_READ, &RegOa);
|
||||
if (!NT_SUCCESS(status)) return status;
|
||||
|
||||
status = ZwQueryValueKey(RegHandle, &ImagePathName, KeyValuePartialInformation, NULL, 0, &ResultLength);
|
||||
if (status != STATUS_BUFFER_TOO_SMALL) {
|
||||
ZwClose(RegHandle);
|
||||
return status;
|
||||
}
|
||||
|
||||
Info = (PKEY_VALUE_PARTIAL_INFORMATION)PyasAllocate(ResultLength);
|
||||
if (!Info) {
|
||||
ZwClose(RegHandle);
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
status = ZwQueryValueKey(RegHandle, &ImagePathName, KeyValuePartialInformation, Info, ResultLength, &ResultLength);
|
||||
ZwClose(RegHandle);
|
||||
if (!NT_SUCCESS(status)) {
|
||||
PyasFree(Info);
|
||||
return status;
|
||||
}
|
||||
|
||||
if (Info->Type == REG_EXPAND_SZ || Info->Type == REG_SZ) {
|
||||
PathBufferSize = ResultLength + 1024;
|
||||
PathBuffer = (PWCHAR)PyasAllocate(PathBufferSize);
|
||||
|
||||
if (PathBuffer) {
|
||||
RtlZeroMemory(PathBuffer, PathBufferSize);
|
||||
PWCHAR Src = (PWCHAR)Info->Data;
|
||||
|
||||
if (NT_SUCCESS(RtlStringCbCopyW(PathBuffer, PathBufferSize, Src))) {
|
||||
PWCHAR LastSlash = NULL;
|
||||
PWCHAR Current = PathBuffer;
|
||||
while (*Current) {
|
||||
if (*Current == L'\\') LastSlash = Current;
|
||||
Current++;
|
||||
}
|
||||
|
||||
if (LastSlash) {
|
||||
*LastSlash = L'\0';
|
||||
|
||||
SIZE_T CurrentPathLen = wcslen(PathBuffer);
|
||||
const WCHAR FilterSuffix[] = L"\\Filter";
|
||||
SIZE_T FilterLen = (sizeof(FilterSuffix) / sizeof(WCHAR)) - 1;
|
||||
|
||||
if (CurrentPathLen >= FilterLen) {
|
||||
PWCHAR SuffixStart = PathBuffer + CurrentPathLen - FilterLen;
|
||||
BOOLEAN Match = TRUE;
|
||||
for (SIZE_T i = 0; i < FilterLen; i++) {
|
||||
if (RtlDowncaseUnicodeChar(SuffixStart[i]) != RtlDowncaseUnicodeChar(FilterSuffix[i])) {
|
||||
Match = FALSE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (Match) {
|
||||
*SuffixStart = L'\0';
|
||||
}
|
||||
}
|
||||
|
||||
RtlStringCbCatW(PathBuffer, PathBufferSize, L"\\Rules\\Rules_Driver_P1.json");
|
||||
|
||||
if (wcsncmp(PathBuffer, L"\\??\\", 4) != 0 &&
|
||||
wcsncmp(PathBuffer, L"\\SystemRoot", 11) != 0 &&
|
||||
wcsncmp(PathBuffer, L"\\DosDevices\\", 12) != 0) {
|
||||
|
||||
PWCHAR TmpBuffer = (PWCHAR)PyasAllocate(PathBufferSize + 16);
|
||||
if (TmpBuffer) {
|
||||
RtlStringCbCopyW(TmpBuffer, PathBufferSize + 16, L"\\??\\");
|
||||
RtlStringCbCatW(TmpBuffer, PathBufferSize + 16, PathBuffer);
|
||||
PyasFree(PathBuffer);
|
||||
PathBuffer = TmpBuffer;
|
||||
}
|
||||
}
|
||||
RtlInitUnicodeString(&FinalPath, PathBuffer);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
PyasFree(Info);
|
||||
|
||||
if (!FinalPath.Buffer) {
|
||||
if (PathBuffer) PyasFree(PathBuffer);
|
||||
return STATUS_UNSUCCESSFUL;
|
||||
}
|
||||
|
||||
InitializeObjectAttributes(&oa, &FinalPath, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
|
||||
status = ZwCreateFile(&FileHandle, GENERIC_READ | SYNCHRONIZE, &oa, &IoStatus, NULL, FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ, FILE_OPEN, FILE_SYNCHRONOUS_IO_NONALERT, NULL, 0);
|
||||
|
||||
if (NT_SUCCESS(status)) {
|
||||
FILE_STANDARD_INFORMATION FileInfo = { 0 };
|
||||
status = ZwQueryInformationFile(FileHandle, &IoStatus, &FileInfo, sizeof(FileInfo), FileStandardInformation);
|
||||
|
||||
if (NT_SUCCESS(status) && FileInfo.EndOfFile.LowPart > 0) {
|
||||
PVOID FileBuffer = PyasAllocate(FileInfo.EndOfFile.LowPart + 1);
|
||||
if (FileBuffer) {
|
||||
status = ZwReadFile(FileHandle, NULL, NULL, NULL, &IoStatus, FileBuffer, FileInfo.EndOfFile.LowPart, NULL, NULL);
|
||||
if (NT_SUCCESS(status)) {
|
||||
((PCHAR)FileBuffer)[FileInfo.EndOfFile.LowPart] = '\0';
|
||||
|
||||
ExAcquireResourceExclusiveLite(&RuleLock, TRUE);
|
||||
ParseAndLoadRules((PCHAR)FileBuffer, FileInfo.EndOfFile.LowPart, "Rule_Registry_BlockList", &g_RegistryBlockList);
|
||||
ParseAndLoadRules((PCHAR)FileBuffer, FileInfo.EndOfFile.LowPart, "Rule_Registry_TrustedList", &g_RegistryTrustedList);
|
||||
ParseAndLoadRules((PCHAR)FileBuffer, FileInfo.EndOfFile.LowPart, "Rule_Process_TrustedPaths", &g_ProcessTrustedPaths);
|
||||
ParseAndLoadRules((PCHAR)FileBuffer, FileInfo.EndOfFile.LowPart, "Rule_Process_ExploitableBlacklist", &g_ProcessExploitable);
|
||||
ParseAndLoadRules((PCHAR)FileBuffer, FileInfo.EndOfFile.LowPart, "Rule_File_ProtectedPaths", &g_FileProtectedPaths);
|
||||
ParseAndLoadRules((PCHAR)FileBuffer, FileInfo.EndOfFile.LowPart, "Rule_File_ExceptionPaths", &g_FileExceptionPaths);
|
||||
ParseAndLoadRules((PCHAR)FileBuffer, FileInfo.EndOfFile.LowPart, "Rule_File_RansomwareExtensions", &g_FileRansomExts);
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
}
|
||||
PyasFree(FileBuffer);
|
||||
}
|
||||
}
|
||||
ZwClose(FileHandle);
|
||||
}
|
||||
|
||||
if (PathBuffer) PyasFree(PathBuffer);
|
||||
return status;
|
||||
}
|
||||
|
||||
VOID UnloadRules() {
|
||||
ExAcquireResourceExclusiveLite(&RuleLock, TRUE);
|
||||
FreeList(&g_RegistryBlockList);
|
||||
FreeList(&g_RegistryTrustedList);
|
||||
FreeList(&g_ProcessTrustedPaths);
|
||||
FreeList(&g_ProcessExploitable);
|
||||
FreeList(&g_FileProtectedPaths);
|
||||
FreeList(&g_FileExceptionPaths);
|
||||
FreeList(&g_FileRansomExts);
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
ExDeleteResourceLite(&RuleLock);
|
||||
}
|
||||
|
||||
NTSTATUS GetProcessImageName(HANDLE ProcessId, PUNICODE_STRING* ImageName) {
|
||||
NTSTATUS status;
|
||||
PEPROCESS Process = NULL;
|
||||
|
||||
*ImageName = NULL;
|
||||
status = PsLookupProcessByProcessId(ProcessId, &Process);
|
||||
if (!NT_SUCCESS(status)) return status;
|
||||
|
||||
status = SeLocateProcessImageName(Process, ImageName);
|
||||
ObDereferenceObject(Process);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
static VOID InitTrustCache() {
|
||||
if (g_CacheInitialized) return;
|
||||
ExInitializeFastMutex(&TrustCacheLock);
|
||||
RtlZeroMemory(TrustCache, sizeof(TrustCache));
|
||||
g_CacheInitialized = TRUE;
|
||||
}
|
||||
|
||||
static BOOLEAN IsWindowsSystemApp(PCWSTR Buffer, USHORT Length) {
|
||||
if (WildcardMatch(L"*\\Windows\\SystemApps\\*", Buffer, Length)) return TRUE;
|
||||
if (WildcardMatch(L"*\\Windows\\ImmersiveControlPanel\\*", Buffer, Length)) return TRUE;
|
||||
if (WildcardMatch(L"*\\explorer.exe", Buffer, Length)) return TRUE;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN IsProcessTrusted(HANDLE ProcessId) {
|
||||
if ((ULONG)(ULONG_PTR)ProcessId == GlobalData.PyasPid) return TRUE;
|
||||
if (ProcessId == (HANDLE)4) return TRUE;
|
||||
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return FALSE;
|
||||
|
||||
if (g_CacheInitialized) {
|
||||
ExAcquireFastMutex(&TrustCacheLock);
|
||||
ULONG Hash = ((ULONG)(ULONG_PTR)ProcessId) & (TRUST_CACHE_SIZE - 1);
|
||||
if (TrustCache[Hash].ProcessId == ProcessId) {
|
||||
BOOLEAN cachedResult = TrustCache[Hash].IsTrusted;
|
||||
ExReleaseFastMutex(&TrustCacheLock);
|
||||
return cachedResult;
|
||||
}
|
||||
ExReleaseFastMutex(&TrustCacheLock);
|
||||
}
|
||||
else {
|
||||
InitTrustCache();
|
||||
}
|
||||
|
||||
PUNICODE_STRING imageFileName = NULL;
|
||||
NTSTATUS status = GetProcessImageName(ProcessId, &imageFileName);
|
||||
BOOLEAN isTrusted = FALSE;
|
||||
|
||||
if (NT_SUCCESS(status) && imageFileName && imageFileName->Buffer) {
|
||||
|
||||
ExAcquireResourceSharedLite(&RuleLock, TRUE);
|
||||
|
||||
PRULE_NODE Node = g_ProcessExploitable;
|
||||
while (Node) {
|
||||
if (WildcardMatch(Node->Pattern.Buffer, imageFileName->Buffer, imageFileName->Length)) {
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
goto cleanup;
|
||||
}
|
||||
Node = Node->Next;
|
||||
}
|
||||
|
||||
if (IsWindowsSystemApp(imageFileName->Buffer, imageFileName->Length)) {
|
||||
isTrusted = TRUE;
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
Node = g_ProcessTrustedPaths;
|
||||
while (Node) {
|
||||
if (WildcardMatch(Node->Pattern.Buffer, imageFileName->Buffer, imageFileName->Length)) {
|
||||
isTrusted = TRUE;
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
goto cleanup;
|
||||
}
|
||||
Node = Node->Next;
|
||||
}
|
||||
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
}
|
||||
|
||||
cleanup:
|
||||
if (g_CacheInitialized) {
|
||||
ExAcquireFastMutex(&TrustCacheLock);
|
||||
ULONG Hash = ((ULONG)(ULONG_PTR)ProcessId) & (TRUST_CACHE_SIZE - 1);
|
||||
TrustCache[Hash].ProcessId = ProcessId;
|
||||
TrustCache[Hash].IsTrusted = isTrusted;
|
||||
KeQuerySystemTime(&TrustCache[Hash].CacheTime);
|
||||
ExReleaseFastMutex(&TrustCacheLock);
|
||||
}
|
||||
|
||||
if (imageFileName) ExFreePool(imageFileName);
|
||||
return isTrusted;
|
||||
}
|
||||
|
||||
BOOLEAN IsCriticalSystemProcess(HANDLE ProcessId) {
|
||||
if ((ULONG)(ULONG_PTR)ProcessId == GlobalData.PyasPid) return TRUE;
|
||||
if (ProcessId == (HANDLE)4) return TRUE;
|
||||
|
||||
return IsProcessTrusted(ProcessId);
|
||||
}
|
||||
|
||||
BOOLEAN IsInstallerProcess(HANDLE ProcessId) {
|
||||
return IsProcessTrusted(ProcessId);
|
||||
}
|
||||
|
||||
BOOLEAN IsTargetProtected(HANDLE ProcessId) {
|
||||
if ((ULONG)(ULONG_PTR)ProcessId == GlobalData.PyasPid) return TRUE;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN CheckRegistryRule(PCUNICODE_STRING KeyName) {
|
||||
if (!KeyName || !KeyName->Buffer) return FALSE;
|
||||
if (KeyName->Length < 4 * sizeof(WCHAR)) return FALSE;
|
||||
|
||||
if (WildcardMatch(L"*{645FF040-5081-101B-9F08-00AA002F954E}\\DefaultIcon", KeyName->Buffer, KeyName->Length)) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
ExAcquireResourceSharedLite(&RuleLock, TRUE);
|
||||
|
||||
PRULE_NODE AllowNode = g_RegistryTrustedList;
|
||||
while (AllowNode) {
|
||||
if (WildcardMatch(AllowNode->Pattern.Buffer, KeyName->Buffer, KeyName->Length)) {
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
return FALSE;
|
||||
}
|
||||
AllowNode = AllowNode->Next;
|
||||
}
|
||||
|
||||
PRULE_NODE Node = g_RegistryBlockList;
|
||||
BOOLEAN Match = FALSE;
|
||||
while (Node) {
|
||||
if (WildcardMatch(Node->Pattern.Buffer, KeyName->Buffer, KeyName->Length)) {
|
||||
Match = TRUE;
|
||||
break;
|
||||
}
|
||||
Node = Node->Next;
|
||||
}
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
return Match;
|
||||
}
|
||||
|
||||
BOOLEAN CheckFileExtensionRule(PCUNICODE_STRING FileName) {
|
||||
if (!FileName || !FileName->Buffer) return FALSE;
|
||||
|
||||
ExAcquireResourceSharedLite(&RuleLock, TRUE);
|
||||
|
||||
PRULE_NODE ExNode = g_FileExceptionPaths;
|
||||
while (ExNode) {
|
||||
if (WildcardMatch(ExNode->Pattern.Buffer, FileName->Buffer, FileName->Length)) {
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
return FALSE;
|
||||
}
|
||||
ExNode = ExNode->Next;
|
||||
}
|
||||
|
||||
PRULE_NODE Node = g_FileRansomExts;
|
||||
BOOLEAN Match = FALSE;
|
||||
while (Node) {
|
||||
if (HasSuffix(FileName, Node->Pattern.Buffer)) {
|
||||
Match = TRUE;
|
||||
break;
|
||||
}
|
||||
Node = Node->Next;
|
||||
}
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
return Match;
|
||||
}
|
||||
|
||||
BOOLEAN CheckProtectedPathRule(PCUNICODE_STRING FileName) {
|
||||
if (!FileName || !FileName->Buffer) return FALSE;
|
||||
|
||||
if (WildcardMatch(L"*\\Windows\\System32\\config\\systemprofile*", FileName->Buffer, FileName->Length)) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
ExAcquireResourceSharedLite(&RuleLock, TRUE);
|
||||
|
||||
PRULE_NODE ExNode = g_FileExceptionPaths;
|
||||
while (ExNode) {
|
||||
if (WildcardMatch(ExNode->Pattern.Buffer, FileName->Buffer, FileName->Length)) {
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
return FALSE;
|
||||
}
|
||||
ExNode = ExNode->Next;
|
||||
}
|
||||
|
||||
PRULE_NODE Node = g_FileProtectedPaths;
|
||||
BOOLEAN Match = FALSE;
|
||||
while (Node) {
|
||||
if (WildcardMatch(Node->Pattern.Buffer, FileName->Buffer, FileName->Length)) {
|
||||
Match = TRUE;
|
||||
break;
|
||||
}
|
||||
Node = Node->Next;
|
||||
}
|
||||
ExReleaseResourceLite(&RuleLock);
|
||||
return Match;
|
||||
}
|
||||
|
||||
static BOOLEAN IsHighEntropy(PVOID Buffer, ULONG Length) {
|
||||
if (!Buffer || Length < 256) return FALSE;
|
||||
|
||||
ULONG Histogram[256] = { 0 };
|
||||
PUCHAR Ptr = (PUCHAR)Buffer;
|
||||
ULONG ScanLen = (Length > 1024) ? 1024 : Length;
|
||||
|
||||
__try {
|
||||
for (ULONG i = 0; i < ScanLen; i++) {
|
||||
Histogram[Ptr[i]]++;
|
||||
}
|
||||
}
|
||||
__except (EXCEPTION_EXECUTE_HANDLER) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
ULONG MaxFreq = 0;
|
||||
for (int i = 0; i < 256; i++) {
|
||||
if (Histogram[i] > MaxFreq) MaxFreq = Histogram[i];
|
||||
}
|
||||
|
||||
ULONG ExpectedAvg = ScanLen / 256;
|
||||
return (MaxFreq < (ExpectedAvg + HIGH_ENTROPY_THRESHOLD));
|
||||
}
|
||||
|
||||
static BOOLEAN IsNaturallyCompressed(PCUNICODE_STRING FileName) {
|
||||
if (!FileName || !FileName->Buffer) return FALSE;
|
||||
for (int i = 0; i < sizeof(Helper_NaturallyCompressedExtensions) / sizeof(Helper_NaturallyCompressedExtensions[0]); i++) {
|
||||
if (HasSuffix(FileName, Helper_NaturallyCompressedExtensions[i])) return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static BOOLEAN IsNoisyRansomPath(PCUNICODE_STRING FileName) {
|
||||
if (!FileName || !FileName->Buffer) return FALSE;
|
||||
|
||||
if (WildcardMatch(L"*\\Windows\\Temp\\*", FileName->Buffer, FileName->Length) ||
|
||||
WildcardMatch(L"*\\Windows\\SystemTemp\\*", FileName->Buffer, FileName->Length) ||
|
||||
WildcardMatch(L"*\\Windows\\Prefetch\\*", FileName->Buffer, FileName->Length) ||
|
||||
WildcardMatch(L"*\\Windows\\Logs\\*", FileName->Buffer, FileName->Length) ||
|
||||
WildcardMatch(L"*\\Profiles\\*", FileName->Buffer, FileName->Length) ||
|
||||
WildcardMatch(L"*\\Program*\\*", FileName->Buffer, FileName->Length) ||
|
||||
WildcardMatch(L"*\\AppData\\Local\\*", FileName->Buffer, FileName->Length) ||
|
||||
WildcardMatch(L"*\\User Data\\*", FileName->Buffer, FileName->Length) ||
|
||||
WildcardMatch(L"*$Recycle.Bin*", FileName->Buffer, FileName->Length)) {
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static BOOLEAN IsExplorerProcess(HANDLE ProcessId) {
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return FALSE;
|
||||
PUNICODE_STRING imageFileName = NULL;
|
||||
NTSTATUS status = GetProcessImageName(ProcessId, &imageFileName);
|
||||
BOOLEAN isExplorer = FALSE;
|
||||
if (NT_SUCCESS(status) && imageFileName && imageFileName->Buffer) {
|
||||
if (HasSuffix(imageFileName, L"\\explorer.exe")) isExplorer = TRUE;
|
||||
ExFreePool(imageFileName);
|
||||
}
|
||||
return isExplorer;
|
||||
}
|
||||
|
||||
BOOLEAN CheckRansomActivity(HANDLE ProcessId, PUNICODE_STRING FileName, PVOID WriteBuffer, ULONG WriteLength, BOOLEAN IsWrite) {
|
||||
if (IsNoisyRansomPath(FileName)) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (!IsWrite) {
|
||||
if (IsExplorerProcess(ProcessId)) return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN SuspiciousWrite = FALSE;
|
||||
if (IsWrite && WriteBuffer && WriteLength > 0) {
|
||||
if (!IsNaturallyCompressed(FileName) && IsHighEntropy(WriteBuffer, WriteLength)) {
|
||||
SuspiciousWrite = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
if (IsWrite && !SuspiciousWrite) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
LARGE_INTEGER Now = { 0 };
|
||||
KeQuerySystemTime(&Now);
|
||||
BOOLEAN Result = FALSE;
|
||||
|
||||
ExAcquireFastMutex(&GlobalData.TrackerMutex);
|
||||
|
||||
PRANSOM_TRACKER Tracker = NULL;
|
||||
PRANSOM_TRACKER CandidateSlot = NULL;
|
||||
PRANSOM_TRACKER LruSlot = &RansomTrackers[0];
|
||||
|
||||
for (int i = 0; i < MAX_TRACKERS; i++) {
|
||||
PRANSOM_TRACKER Current = &RansomTrackers[i];
|
||||
|
||||
if (Current->LastActivityTime.QuadPart < LruSlot->LastActivityTime.QuadPart) {
|
||||
LruSlot = Current;
|
||||
}
|
||||
|
||||
if (Current->ProcessId == ProcessId) {
|
||||
Tracker = Current;
|
||||
break;
|
||||
}
|
||||
|
||||
BOOLEAN IsExpired = FALSE;
|
||||
if (Current->ProcessId != NULL) {
|
||||
LARGE_INTEGER Diff;
|
||||
Diff.QuadPart = Now.QuadPart - Current->LastActivityTime.QuadPart;
|
||||
if (Diff.QuadPart > (RANSOM_TIME_WINDOW_MS * 10000LL)) {
|
||||
IsExpired = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
if ((Current->ProcessId == NULL || IsExpired) && !CandidateSlot) {
|
||||
CandidateSlot = Current;
|
||||
}
|
||||
}
|
||||
|
||||
if (!Tracker) {
|
||||
if (CandidateSlot) {
|
||||
Tracker = CandidateSlot;
|
||||
}
|
||||
else {
|
||||
Tracker = LruSlot;
|
||||
}
|
||||
|
||||
Tracker->ProcessId = ProcessId;
|
||||
Tracker->ActivityCount = 0;
|
||||
Tracker->LastActivityTime = Now;
|
||||
}
|
||||
else {
|
||||
LARGE_INTEGER Diff;
|
||||
Diff.QuadPart = Now.QuadPart - Tracker->LastActivityTime.QuadPart;
|
||||
|
||||
if (Diff.QuadPart > (RANSOM_TIME_WINDOW_MS * 10000LL)) {
|
||||
Tracker->ActivityCount = 0;
|
||||
}
|
||||
Tracker->LastActivityTime = Now;
|
||||
}
|
||||
|
||||
ULONG Weight = 2;
|
||||
Tracker->ActivityCount += Weight;
|
||||
|
||||
if (Tracker->ActivityCount >= RANSOM_COUNT_THRESHOLD) {
|
||||
Result = TRUE;
|
||||
}
|
||||
ExReleaseFastMutex(&GlobalData.TrackerMutex);
|
||||
return Result;
|
||||
}
|
||||
|
||||
NTSTATUS SendMessageToUser(ULONG Code, ULONG Pid, PWCHAR Path, USHORT PathSize) {
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) return STATUS_UNSUCCESSFUL;
|
||||
|
||||
PYAS_MESSAGE msg;
|
||||
RtlZeroMemory(&msg, sizeof(msg));
|
||||
msg.MessageCode = Code;
|
||||
msg.ProcessId = Pid;
|
||||
|
||||
if (Path && PathSize > 0) {
|
||||
size_t MaxSize = sizeof(msg.Path) - sizeof(WCHAR);
|
||||
size_t BytesToCopy = PathSize;
|
||||
if (BytesToCopy > MaxSize) BytesToCopy = MaxSize;
|
||||
|
||||
__try {
|
||||
RtlCopyMemory(msg.Path, Path, BytesToCopy);
|
||||
msg.Path[BytesToCopy / sizeof(WCHAR)] = L'\0';
|
||||
}
|
||||
__except (EXCEPTION_EXECUTE_HANDLER) {
|
||||
return STATUS_ACCESS_VIOLATION;
|
||||
}
|
||||
}
|
||||
|
||||
if (!ExAcquireRundownProtection(&GlobalData.PortRundown)) {
|
||||
return STATUS_PORT_DISCONNECTED;
|
||||
}
|
||||
|
||||
NTSTATUS status = STATUS_PORT_DISCONNECTED;
|
||||
if (GlobalData.ClientPort) {
|
||||
LARGE_INTEGER timeout;
|
||||
timeout.QuadPart = -(5 * 10000);
|
||||
status = FltSendMessage(GlobalData.FilterHandle, &GlobalData.ClientPort, &msg, sizeof(msg), NULL, NULL, &timeout);
|
||||
}
|
||||
|
||||
ExReleaseRundownProtection(&GlobalData.PortRundown);
|
||||
return status;
|
||||
}
|
||||
@@ -0,0 +1,217 @@
|
||||
{
|
||||
"Rule_Registry_BlockList": [
|
||||
"\\REGISTRY\\MACHINE\\BCD00000000",
|
||||
"\\REGISTRY\\MACHINE\\BCD00000000\\*",
|
||||
"*\\Image File Execution Options\\*",
|
||||
|
||||
"\\REGISTRY\\USER\\S-1-*\\SOFTWARE\\NetWire\\*",
|
||||
"\\REGISTRY\\USER\\S-1-*\\SOFTWARE\\Remcos*\\*",
|
||||
"\\REGISTRY\\USER\\S-1-*\\SOFTWARE\\DC3_FEXEC\\*",
|
||||
|
||||
"*\\Classes\\.exe",
|
||||
"*\\Classes\\.bat",
|
||||
"*\\Classes\\.cmd",
|
||||
"*\\Classes\\.com",
|
||||
"*\\Classes\\exefile\\*",
|
||||
"*\\Classes\\batfile\\*",
|
||||
"*\\Classes\\cmdfile\\*",
|
||||
"*\\Classes\\comfile\\*",
|
||||
|
||||
"*\\DefaultIcon",
|
||||
"*\\DisableAntiSpyware",
|
||||
"*\\DisableWindowsUpdateAccess",
|
||||
"*\\EnableLUA",
|
||||
"*\\ConsentPromptBehaviorAdmin",
|
||||
"*\\NoControlPanel",
|
||||
"*\\NoDrives",
|
||||
"*\\NoFileMenu",
|
||||
"*\\NoFind",
|
||||
"*\\NoStartMenuPinnedList",
|
||||
"*\\NoSetFolders",
|
||||
"*\\NoSetFolderOptions",
|
||||
"*\\NoViewOnDrive",
|
||||
"*\\NoClose",
|
||||
"*\\NoDesktop",
|
||||
"*\\NoLogoff",
|
||||
"*\\NoFolderOptions",
|
||||
"*\\RestrictRun",
|
||||
"*\\NoViewContextMenu",
|
||||
"*\\HideClock",
|
||||
"*\\NoStartMenuMyGames",
|
||||
"*\\NoStartMenuMyMusic",
|
||||
"*\\DisableCMD",
|
||||
"*\\NoAddingComponents",
|
||||
"*\\NoWinKeys",
|
||||
"*\\NoStartMenuLogOff",
|
||||
"*\\NoSimpleNetIDList",
|
||||
"*\\NoLowDiskSpaceChecks",
|
||||
"*\\DisableLockWorkstation",
|
||||
"*\\Restrict_Run",
|
||||
"*\\DisableTaskMgr",
|
||||
"*\\DisableRegistryTools",
|
||||
"*\\DisableChangePassword",
|
||||
"*\\Wallpaper",
|
||||
"*\\NoComponents",
|
||||
"*\\NoStartMenuMorePrograms",
|
||||
"*\\NoActiveDesktop",
|
||||
"*\\NoSetActiveDesktop",
|
||||
"*\\NoRecentDocsMenu",
|
||||
"*\\NoWindowsUpdate",
|
||||
"*\\NoChangeStartMenu",
|
||||
"*\\NoFavoritesMenu",
|
||||
"*\\NoRecentDocsHistory",
|
||||
"*\\NoSetTaskbar",
|
||||
"*\\NoSMHelp",
|
||||
"*\\NoTrayContextMenu",
|
||||
"*\\NoManageMyComputerVerb",
|
||||
"*\\NoRealMode",
|
||||
"*\\NoRun",
|
||||
"*\\ClearRecentDocsOnExit",
|
||||
"*\\NoActiveDesktopChanges",
|
||||
"*\\NoStartMenuNetworkPlaces",
|
||||
"*\\NoLockScreen",
|
||||
"*\\HideFastUserSwitching",
|
||||
"*\\ConsentPromptBehaviorUser",
|
||||
"*\\EnableSecureUIAPaths",
|
||||
"*\\NoSRM",
|
||||
"*\\NoInteractiveServices",
|
||||
"*\\ShutdownWithoutLogon",
|
||||
"*\\AutoAdminLogon",
|
||||
"*\\ImagePath",
|
||||
"*\\BootExecute",
|
||||
"*\\SubSystems",
|
||||
"*\\FirmwareBootDevice",
|
||||
"*\\BootDriverFlags",
|
||||
"*\\SystemStartOptions",
|
||||
"*\\CrashDumpEnabled",
|
||||
"*\\DisableAutomaticRestartOnFailure",
|
||||
"*\\SystemBiosVersion",
|
||||
"*\\NoTheme",
|
||||
"*\\PendingFileRenameOperations",
|
||||
"*\\SystemSetupInProgress",
|
||||
"*\\CmdLine",
|
||||
"*\\SetupType",
|
||||
"*\\AutoReboot",
|
||||
"*\\Userinit",
|
||||
"*\\UIHost",
|
||||
"*\\Debugger",
|
||||
"*\\DefaultUserName",
|
||||
"*\\DefaultPassword",
|
||||
"*\\AltDefaultUserName",
|
||||
"*\\AltDefaultPassword",
|
||||
"*\\DisableCAD",
|
||||
"*\\LegalNoticeCaption",
|
||||
"*\\LegalNoticeText",
|
||||
],
|
||||
"Rule_Registry_TrustedList": [
|
||||
],
|
||||
"Rule_Process_TrustedPaths": [
|
||||
"*\\Windows\\*",
|
||||
"*\\Windows Defender\\*",
|
||||
"*\\Windows Defender Advanced Threat Protection\\*",
|
||||
"*\\Program Files\\*",
|
||||
"*\\Program Files (x86)\\*",
|
||||
"*\\Google\\Chrome\\Application\\chrome.exe",
|
||||
"*\\Microsoft\\Edge\\Application\\msedge.exe",
|
||||
"*\\Mozilla Firefox\\firefox.exe",
|
||||
"*\\Steam\\steam.exe",
|
||||
"*\\Battle.net\\*\\Battle.net.exe",
|
||||
"*\\Epic Games\\Launcher\\Portal\\Binaries\\*\\EpicGamesLauncher.exe"
|
||||
],
|
||||
"Rule_Process_ExploitableBlacklist": [
|
||||
"*\\cmd.exe",
|
||||
"*\\powershell.exe",
|
||||
"*\\pwsh.exe",
|
||||
"*\\wscript.exe",
|
||||
"*\\cscript.exe",
|
||||
"*\\mshta.exe",
|
||||
"*\\regsvr32.exe",
|
||||
"*\\certutil.exe",
|
||||
"*\\bitsadmin.exe",
|
||||
"*\\wmic.exe",
|
||||
"*\\hh.exe",
|
||||
"*\\cmstp.exe",
|
||||
"*\\installutil.exe",
|
||||
"*\\regasm.exe",
|
||||
"*\\regsvcs.exe",
|
||||
"*\\msbuild.exe",
|
||||
"*\\csc.exe",
|
||||
"*\\vbc.exe",
|
||||
"*\\jsc.exe",
|
||||
"*\\bash.exe",
|
||||
"*\\scrcons.exe",
|
||||
"*\\schtasks.exe",
|
||||
"*\\at.exe",
|
||||
"*\\reg.exe",
|
||||
"*\\sc.exe",
|
||||
"*\\net.exe",
|
||||
"*\\net1.exe",
|
||||
"*\\whoami.exe",
|
||||
"*\\ipconfig.exe",
|
||||
"*\\taskkill.exe",
|
||||
"*\\ProcessHacker.exe",
|
||||
"*\\procmon.exe",
|
||||
"*\\procexp.exe"
|
||||
],
|
||||
"Rule_File_ProtectedPaths": [
|
||||
"*\\PYAS.exe",
|
||||
"*\\PYAS_Driver.sys",
|
||||
"*\\ProgramData\\PYAS\\*.json",
|
||||
|
||||
"*\\bootmgr",
|
||||
"*\\boot.ini",
|
||||
"*\\BOOTNXT",
|
||||
"*\\BCD",
|
||||
"*\\EFI\\*",
|
||||
"*\\Boot\\*",
|
||||
"*\\Recovery\\*",
|
||||
|
||||
"*\\Windows\\*.exe",
|
||||
"*\\Windows\\*.dll",
|
||||
"*\\Windows\\*.sys",
|
||||
"*\\Windows\\System32\\*.exe",
|
||||
"*\\Windows\\System32\\*.dll",
|
||||
"*\\Windows\\System32\\*.sys",
|
||||
"*\\Windows\\SysWOW64\\*.exe",
|
||||
"*\\Windows\\SysWOW64\\*.dll",
|
||||
"*\\Windows\\SysWOW64\\*.sys",
|
||||
"*\\System Volume Information\\*",
|
||||
|
||||
"*\\CON",
|
||||
"*\\CON\\*",
|
||||
"*\\PRN",
|
||||
"*\\PRN\\*",
|
||||
"*\\AUX",
|
||||
"*\\AUX\\*",
|
||||
"*\\NUL",
|
||||
"*\\NUL\\*",
|
||||
"*\\COM?",
|
||||
"*\\COM?\\*",
|
||||
"*\\LPT?",
|
||||
"*\\LPT?\\*",
|
||||
"*\\LPT?",
|
||||
"*\\LPT?\\*",
|
||||
"*\\OSDATA",
|
||||
"*\\OSDATA\\*",
|
||||
|
||||
"*\\*<*",
|
||||
"*\\*>*",
|
||||
"*\\*:*",
|
||||
],
|
||||
"Rule_File_ExceptionPaths": [
|
||||
"*\\AppData\\*"
|
||||
],
|
||||
"Rule_File_RansomwareExtensions": [
|
||||
".exe", ".dll", ".sys", ".com", ".scr",
|
||||
".zip", ".7z", ".rar", ".tar", ".gz",
|
||||
".js", ".bat", ".cmd", ".ps1", ".vbs",
|
||||
".ppt", ".pptx", ".wps", ".txt", ".rtf",
|
||||
".pdf", ".xls", ".xlsx", ".doc", ".docx",
|
||||
".jpg", ".jpeg", ".png", ".webp", ".gif",
|
||||
".mp3", ".wav", ".aac", ".ogg", ".flac",
|
||||
".mp4", ".avi", ".mov", ".wmv", ".mkv",
|
||||
".aux", ".cur", ".mui", ".ttf", ".efi",
|
||||
".cpp", ".h", ".c", ".hpp", ".cs", ".java", ".py", ".go", ".rs",
|
||||
".php", ".html", ".css", ".json", ".xml", ".sql", ".db"
|
||||
]
|
||||
}
|
||||
@@ -1,176 +1,197 @@
|
||||
# PYAS (Python Antivirus Software)
|
||||
# PYAS
|
||||
|
||||

|
||||
Antivirus software written in Python and C++ that blocks threats through deep learning and behavioral monitoring!
|
||||
|
||||
## Readme Language
|
||||
|
||||
[繁體中文](https://github.com/87owo/PYAS/blob/main/README_zh_TW.md) ,
|
||||
[简体中文](https://github.com/87owo/PYAS/blob/main/README_zh_CN.md)
|
||||
|
||||
## File Information
|
||||
|
||||
PYAS.py -> Main PYAS Program (including animation, scanning, protection functions, etc.)
|
||||
|
||||
PYAS_Engine.py -> Conversion Database (used to convert database dict and list to and from each other)
|
||||
|
||||
PYAS_Extension.py -> File Extension (including scanned file extensions and common file extensions)
|
||||
|
||||
PYAS_Model.* -> Virus Database (the virus database must be placed in the same directory)
|
||||
|
||||
PYAS_Interface.py -> PyQt5 Interface (designed by QT designer, must be matched with the main program)
|
||||
|
||||
PYAS_Resource.py -> PyQt5 Resource (status pictures, icon packages, button icons, etc.)
|
||||
|
||||
PYAS_Language.py -> Translate Dict (Traditional Chinese, Simplified Chinese, English)
|
||||
|
||||
PYAS_Version.py -> Pyinstaller Info (file information, version information, original name, etc.)
|
||||
|
||||
## Dir Information
|
||||
|
||||
```
|
||||
PYAS/
|
||||
├── Driver/
|
||||
│ ├── PYAS_Driver.sys
|
||||
│ └── ...
|
||||
│
|
||||
├── Model/
|
||||
│ ├── PYAS_Model.json
|
||||
│ ├── PYAS_Model.txt
|
||||
│ └── ...
|
||||
│
|
||||
├── Rules/
|
||||
│ ├── Yara_Rules.yar
|
||||
│ ├── Compile_Rules.yrc
|
||||
│ └── ...
|
||||
│
|
||||
├── PYAS.py
|
||||
├── PYAS_Engine.py
|
||||
└── ...
|
||||
```
|
||||
<img width="2245" height="1477" alt="PYAS_UI" src="https://github.com/user-attachments/assets/87d40261-7655-49ad-a19c-1ffcca60584f" />
|
||||
|
||||
## Requirements
|
||||
|
||||
Use pip install requirements to install import module
|
||||
Python 3.10 is recommended. Other Python versions may require different pip commands.
|
||||
|
||||
```
|
||||
psutil==5.9.5
|
||||
pefile==2023.2.7
|
||||
requests==2.31.0
|
||||
pyperclip==1.8.2
|
||||
pywin32==306
|
||||
PyQt5==5.15.9
|
||||
pip install requests==2.32.4
|
||||
pip install PySide6==6.9.1
|
||||
pip install yara-python==4.5.4
|
||||
pip install Pillow==11.0.0
|
||||
pip install numpy==1.26.4
|
||||
pip install tensorflow==2.10.0
|
||||
pip install tf2onnx==1.13.0
|
||||
pip install lightgbm==4.6.0
|
||||
pip install onnxruntime==1.18.1
|
||||
```
|
||||
|
||||
## Pefile Scanning
|
||||
## File Information
|
||||
|
||||
Get the pefile file function import table for scanning
|
||||
The following lists the storage locations of all relevant code and other related documents.
|
||||
|
||||
```
|
||||
import pefile
|
||||
|
||||
def pe_scan(file):
|
||||
try:
|
||||
fn = []
|
||||
with pefile.PE(file) as pe:
|
||||
for entry in pe.DIRECTORY_ENTRY_IMPORT:
|
||||
for func in entry.imports:
|
||||
try:
|
||||
fn.append(str(func.name, "utf-8"))
|
||||
except:
|
||||
pass
|
||||
if fn in known_malicious_list:
|
||||
return "Virus"
|
||||
return "Safe"
|
||||
return "Unknown"
|
||||
except Exception as e:
|
||||
return f"Error: {e}"
|
||||
|
||||
info = pe_scan("path to file")
|
||||
print(info)
|
||||
PYAS/
|
||||
├── Engine/
|
||||
│ ├── Pattern/
|
||||
│ │ ├── convert.py # Convert executable files or other files to images
|
||||
│ │ ├── train.py # TensorFlow CNN model training complete code
|
||||
│ │ └── ... # Other models folders and files
|
||||
│ │
|
||||
│ ├── Heuristic/
|
||||
│ │ ├── rules.yar # Yara virus signature rule matching
|
||||
│ │ └── ... # Other rules folders and files
|
||||
│ └── ... # Other engine folders and files
|
||||
│
|
||||
├── Plugins/
|
||||
│ └── Filter/
|
||||
│ │ ├── DriverEntry.cpp # Main driver entry and initialization logic
|
||||
│ │ ├── DriverCommon.h # Global driver definitions, constants, and functions
|
||||
│ │ └── ... # Other driver folders and files
|
||||
│ │
|
||||
│ └── Rules/
|
||||
│ └── rules.json # White, block list, and matching logic for files registry
|
||||
|
|
||||
├── PYAS.py # Main application entry point and UI to engine interface
|
||||
├── PYAS_Config.py # Configuration loading, saving, and global parameters
|
||||
├── PYAS_Engine.py # Core scanning engine: YARA, IP, ONNX model execution
|
||||
├── PYAS_Interface.py # User interface components and event handling
|
||||
├── PYAS_Resource.py # Static image and icon resource management
|
||||
├── PYAS_Version.py # Version metadata for packaging and updates
|
||||
└── ... # Other supplementary folders and files
|
||||
```
|
||||
|
||||
## Process Detect
|
||||
## Architecture diagram
|
||||
|
||||
Show the new process name, file path, cmd line, pid
|
||||
PYAS Security antivirus software general architecture diagram.
|
||||
|
||||
```mermaid
|
||||
graph TD
|
||||
%% Global Styles
|
||||
classDef userMode fill:#e3f2fd,stroke:#1565c0,stroke-width:2px,color:#0d47a1
|
||||
classDef kernelMode fill:#fff3e0,stroke:#e65100,stroke-width:2px,color:#e65100
|
||||
classDef storage fill:#f3e5f5,stroke:#7b1fa2,stroke-width:2px,color:#4a148c
|
||||
classDef interaction fill:#e8f5e9,stroke:#2e7d32,stroke-width:2px,stroke-dasharray: 5 5,color:#1b5e20
|
||||
|
||||
subgraph UserSpace [User Mode Application - PYAS.exe]
|
||||
direction TB
|
||||
|
||||
GUI[MainWindow_Controller / UI]:::userMode
|
||||
ConfigMgr[Configuration & Rule Manager]:::userMode
|
||||
|
||||
subgraph DetectionEngine [Analysis Engine - PYAS_Engine.py]
|
||||
direction TB
|
||||
SignScanner[Digital Signature Scanner]:::userMode
|
||||
PEScanner[PE Feature & Entropy Analysis]:::userMode
|
||||
YaraScanner[Heuristic / YARA Scanner]:::userMode
|
||||
CNNScanner[AI / CNN Model Scanner]:::userMode
|
||||
CloudScanner[Cloud API / Hash Check]:::userMode
|
||||
end
|
||||
|
||||
subgraph UserMonitors [User-Mode Protection Threads]
|
||||
direction TB
|
||||
ProcMon[Process Monitor - CreateToolhelp32Snapshot]:::userMode
|
||||
FileMon[File Monitor - ReadDirectoryChangesW]:::userMode
|
||||
NetMon[Network Monitor - GetExtendedTcpTable]:::userMode
|
||||
SysRep[System Repair - MBR/Reg/Wallpaper]:::userMode
|
||||
PopupBlock[Popup Blocker - EnumWindows]:::userMode
|
||||
PipeClient[IPC Client Thread]:::userMode
|
||||
end
|
||||
|
||||
GUI --> ConfigMgr
|
||||
GUI --> DetectionEngine
|
||||
GUI --> UserMonitors
|
||||
UserMonitors --> DetectionEngine
|
||||
end
|
||||
|
||||
subgraph StorageLayer [File System / Configuration]
|
||||
direction LR
|
||||
JSONRules[JSON Rules Files]:::storage
|
||||
ConfigJSON[Config.json]:::storage
|
||||
Quarantine[Quarantine Folder]:::storage
|
||||
end
|
||||
|
||||
subgraph KernelSpace [Kernel Mode Driver - PYAS_Driver.sys]
|
||||
direction TB
|
||||
|
||||
DriverEntry[DriverEntry / Initialization]:::kernelMode
|
||||
GlobalData[Global Data & State]:::kernelMode
|
||||
CommServer[Communication Port Server]:::kernelMode
|
||||
|
||||
subgraph KernelLogic [Core Protection Logic]
|
||||
RuleLoader[Rule Loader & Parser]:::kernelMode
|
||||
TrustCache[Trust Cache & Ransom Tracker]:::kernelMode
|
||||
|
||||
subgraph MiniFilter [File System MiniFilter]
|
||||
PreCreate[PreCreate: HoneyToken / Access Control]:::kernelMode
|
||||
PreWrite[PreWrite: Ransomware / Entropy Check]:::kernelMode
|
||||
PreSetInfo[PreSetInfo: Anti-Rename / Extension]:::kernelMode
|
||||
PreDevCtrl[PreDeviceControl: Boot / Disk Wipe Protect]:::kernelMode
|
||||
end
|
||||
|
||||
subgraph ObjectCallbacks [Object Manager Callbacks]
|
||||
ProcProtect[ObRegisterCallbacks: Handle Stripping]:::kernelMode
|
||||
ImageLoad[PsSetLoadImageNotifyRoutine: Image Blocking]:::kernelMode
|
||||
end
|
||||
|
||||
subgraph RegistryCallbacks [Configuration Manager Callbacks]
|
||||
RegFilter[CmRegisterCallbackEx: Registry Guard]:::kernelMode
|
||||
end
|
||||
end
|
||||
|
||||
DriverEntry --> GlobalData
|
||||
DriverEntry --> CommServer
|
||||
DriverEntry --> MiniFilter
|
||||
DriverEntry --> ProcProtect
|
||||
DriverEntry --> ImageLoad
|
||||
DriverEntry --> RegFilter
|
||||
|
||||
MiniFilter --> RuleLoader
|
||||
ProcProtect --> RuleLoader
|
||||
RegFilter --> RuleLoader
|
||||
|
||||
PreWrite --> TrustCache
|
||||
PreCreate --> TrustCache
|
||||
end
|
||||
|
||||
%% Cross-Boundary Interactions
|
||||
ConfigMgr -- Writes --> JSONRules
|
||||
ConfigMgr -- Writes --> ConfigJSON
|
||||
RuleLoader -- Reads --> JSONRules
|
||||
|
||||
GUI -- Service Control (SCM) --> DriverEntry
|
||||
PipeClient -- FltSendMessage (IPC) --> CommServer
|
||||
CommServer -- Notifications --> PipeClient
|
||||
|
||||
FileMon -- Moves Malicious Files --> Quarantine
|
||||
|
||||
%% Logic Flow Details
|
||||
ProcProtect -- Protects --> UserSpace
|
||||
RegFilter -- Protects --> StorageLayer
|
||||
PreDevCtrl -- Protects --> StorageLayer
|
||||
```
|
||||
import psutil, time
|
||||
|
||||
def proc_detect():
|
||||
existing_process = set()
|
||||
for p in psutil.process_iter():
|
||||
existing_process.add(p.pid)
|
||||
while True:
|
||||
time.sleep(0.1)
|
||||
new_process = set()
|
||||
for p in psutil.process_iter():
|
||||
new_process.add(p.pid)
|
||||
for pid in new_process - existing_process:
|
||||
try:
|
||||
p = psutil.Process(pid)
|
||||
name, file, cmd = p.name(), p.exe(), p.cmdline()
|
||||
print(f"Name: {name}")
|
||||
print(f"File: {file}")
|
||||
print(f"Pid: {p.pid}")
|
||||
print(f"Cmd: {cmd}")
|
||||
except Exception as e:
|
||||
print(f"Error: {e}")
|
||||
existing_process = new_process
|
||||
|
||||
proc_detect()
|
||||
```
|
||||
|
||||
## File Detect
|
||||
|
||||
Monitor file changes under the specified path
|
||||
|
||||
```
|
||||
import os, win32file, win32con
|
||||
|
||||
def file_detect(path):
|
||||
hDir = win32file.CreateFile(path,win32con.GENERIC_READ,win32con.FILE_SHARE_READ|win32con.FILE_SHARE_WRITE|win32con.FILE_SHARE_DELETE,None,win32con.OPEN_EXISTING,win32con.FILE_FLAG_BACKUP_SEMANTICS,None)
|
||||
while True:
|
||||
for action, file in win32file.ReadDirectoryChangesW(hDir,10485760,True,win32con.FILE_NOTIFY_CHANGE_FILE_NAME|win32con.FILE_NOTIFY_CHANGE_DIR_NAME|win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES|win32con.FILE_NOTIFY_CHANGE_SIZE|win32con.FILE_NOTIFY_CHANGE_LAST_WRITE|win32con.FILE_NOTIFY_CHANGE_SECURITY,None,None):
|
||||
try:
|
||||
fpath = os.path.join(path, file)
|
||||
if action == 1:
|
||||
print(f"File Create: {fpath}")
|
||||
elif action == 2:
|
||||
print(f"File Delete: {fpath}")
|
||||
elif action == 3:
|
||||
print(f"File Modify: {fpath}")
|
||||
elif action == 4:
|
||||
print(f"File Rename: {fpath}")
|
||||
elif action == 5:
|
||||
print(f"File Rename: {fpath}")
|
||||
except:
|
||||
pass
|
||||
|
||||
file_detect("path")
|
||||
```
|
||||
|
||||
## Official Website
|
||||
|
||||
https://pyantivirus.wixsite.com/pyas
|
||||
|
||||
https://github.com/87owo/PYAS
|
||||
|
||||
## PYAS Driver
|
||||
|
||||
https://github.com/0sha0/PYAS_Protection
|
||||
|
||||
## MIT license
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.md
|
||||
|
||||
## Support System
|
||||
|
||||
Windows 8.1, 10, 11 (64-bit), Ram 500MB, Rom 200MB or higher
|
||||
| Config | Permissions | System version | Processor | Memory | Storage |
|
||||
|-----------|---------------|----------------------|-----------|--------|---------|
|
||||
| Minimum | Administrator | >= Windows 10 (20H1) | 1 GHz | 200MB | 100MB |
|
||||
| Recommend | Administrator | >= Windows 10 (21H2) | 3 GHz | 500MB | 200MB |
|
||||
|
||||
Other systems may experience software malfunctions or crash
|
||||
## Packaged Releases
|
||||
|
||||
## Special Thanks
|
||||
Download the installer. If it is incompatible with your system, you can repackage it yourself.
|
||||
|
||||
Wix, 0sha0, mtkiao129, AV-T Team of LisectGroup
|
||||
Packaged Download: https://github.com/87owo/PYAS/releases
|
||||
|
||||
Copyright© 2020~2024 PYAS Security By 87owo
|
||||
## Official Website
|
||||
|
||||
If you are interested in this project, you can visit the website to see other related content.
|
||||
|
||||
Source Available : https://github.com/87owo/PYAS
|
||||
|
||||
Official Website : https://pyas-security.com/antivirus
|
||||
|
||||
Online Analyze : https://pyas-security.com/analyze
|
||||
|
||||
## Project License
|
||||
|
||||
For any questions, needs, or bug feedback, please contact us through the following website.
|
||||
|
||||
Source Issues : https://github.com/87owo/PYAS/issues
|
||||
|
||||
Official Email : mailto:service.pyas@gmail.com
|
||||
-171
@@ -1,171 +0,0 @@
|
||||
# PYAS (Python 杀毒软件)
|
||||
|
||||

|
||||
|
||||
## 文件信息
|
||||
|
||||
PYAS.py -> PYAS主程式(包括动画、扫描、保护功能等)
|
||||
|
||||
PYAS_Engine.py -> 转换资料库(用于相互转换资料库字典和清单)
|
||||
|
||||
PYAS_Extension.py -> 副文件名(包括扫描文件副文件名和常用副文件名)
|
||||
|
||||
PYAS_Model.* -> 病毒库(病毒库必须放在同一目录下)
|
||||
|
||||
PYAS_Interface.py -> PyQt5界面(由QT设计师设计,必须与主程式相符)
|
||||
|
||||
PYAS_Resource.py -> PyQt5资源(状态图片、图示包、按钮图示等)
|
||||
|
||||
PYAS_Language.py -> 翻译字典(繁体中文、简体中文、英文)
|
||||
|
||||
PYAS_Version.py -> Pyinstaller资讯(文件资讯、版本资讯、原名等)
|
||||
|
||||
## 目录信息
|
||||
|
||||
```
|
||||
PYAS/
|
||||
├── Driver/
|
||||
│ ├── PYAS_Driver.sys
|
||||
│ └── ...
|
||||
│
|
||||
├── Model/
|
||||
│ ├── PYAS_Model.json
|
||||
│ ├── PYAS_Model.txt
|
||||
│ └── ...
|
||||
│
|
||||
├── Rules/
|
||||
│ ├── Yara_Rules.yar
|
||||
│ ├── Compile_Rules.yrc
|
||||
│ └── ...
|
||||
│
|
||||
├── PYAS.py
|
||||
├── PYAS_Engine.py
|
||||
└── ...
|
||||
```
|
||||
|
||||
## 安装要求
|
||||
|
||||
使用 pip install requirements 来安装需要的模组
|
||||
|
||||
```
|
||||
psutil==5.9.5
|
||||
pefile==2023.2.7
|
||||
requests==2.31.0
|
||||
pyperclip==1.8.2
|
||||
pywin32==306
|
||||
PyQt5==5.15.9
|
||||
```
|
||||
|
||||
## 文件扫描
|
||||
|
||||
取得pefile文件函数导入表进行扫描
|
||||
|
||||
```
|
||||
import pefile
|
||||
|
||||
def pe_scan(file):
|
||||
try:
|
||||
fn = []
|
||||
with pefile.PE(file) as pe:
|
||||
for entry in pe.DIRECTORY_ENTRY_IMPORT:
|
||||
for func in entry.imports:
|
||||
try:
|
||||
fn.append(str(func.name, "utf-8"))
|
||||
except:
|
||||
pass
|
||||
if fn in known_malicious_list:
|
||||
return "Virus"
|
||||
return "Safe"
|
||||
return "Unknown"
|
||||
except Exception as e:
|
||||
return f"Error: {e}"
|
||||
|
||||
info = pe_scan("path to file")
|
||||
print(info)
|
||||
```
|
||||
|
||||
## 进程监控
|
||||
|
||||
显示新进程名称、文件路径、cmd 行、pid
|
||||
|
||||
```
|
||||
import psutil, time
|
||||
|
||||
def proc_detect():
|
||||
existing_process = set()
|
||||
for p in psutil.process_iter():
|
||||
existing_process.add(p.pid)
|
||||
while True:
|
||||
time.sleep(0.1)
|
||||
new_process = set()
|
||||
for p in psutil.process_iter():
|
||||
new_process.add(p.pid)
|
||||
for pid in new_process - existing_process:
|
||||
try:
|
||||
p = psutil.Process(pid)
|
||||
name, file, cmd = p.name(), p.exe(), p.cmdline()
|
||||
print(f"Name: {name}")
|
||||
print(f"File: {file}")
|
||||
print(f"Pid: {p.pid}")
|
||||
print(f"Cmd: {cmd}")
|
||||
except Exception as e:
|
||||
print(f"Error: {e}")
|
||||
existing_process = new_process
|
||||
|
||||
proc_detect()
|
||||
```
|
||||
|
||||
## 文件监控
|
||||
|
||||
监控指定路径下的文件变化
|
||||
|
||||
```
|
||||
import os, win32file, win32con
|
||||
|
||||
def file_detect(path):
|
||||
hDir = win32file.CreateFile(path,win32con.GENERIC_READ,win32con.FILE_SHARE_READ|win32con.FILE_SHARE_WRITE|win32con.FILE_SHARE_DELETE,None,win32con.OPEN_EXISTING,win32con.FILE_FLAG_BACKUP_SEMANTICS,None)
|
||||
while True:
|
||||
for action, file in win32file.ReadDirectoryChangesW(hDir,10485760,True,win32con.FILE_NOTIFY_CHANGE_FILE_NAME|win32con.FILE_NOTIFY_CHANGE_DIR_NAME|win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES|win32con.FILE_NOTIFY_CHANGE_SIZE|win32con.FILE_NOTIFY_CHANGE_LAST_WRITE|win32con.FILE_NOTIFY_CHANGE_SECURITY,None,None):
|
||||
try:
|
||||
fpath = os.path.join(path, file)
|
||||
if action == 1:
|
||||
print(f"File Create: {fpath}")
|
||||
elif action == 2:
|
||||
print(f"File Delete: {fpath}")
|
||||
elif action == 3:
|
||||
print(f"File Modify: {fpath}")
|
||||
elif action == 4:
|
||||
print(f"File Rename: {fpath}")
|
||||
elif action == 5:
|
||||
print(f"File Rename: {fpath}")
|
||||
except:
|
||||
pass
|
||||
|
||||
file_detect("path")
|
||||
```
|
||||
|
||||
## 官方网页
|
||||
|
||||
https://pyantivirus.wixsite.com/pyas
|
||||
|
||||
https://github.com/87owo/PYAS
|
||||
|
||||
## 开源协议
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.md
|
||||
|
||||
## 驱动程序
|
||||
|
||||
https://github.com/0sha0/PYAS_Protection
|
||||
|
||||
## 支援系统
|
||||
|
||||
Windows 8.1, 10, 11 (64-bit), 内存 500MB, 存储 200MB 或更高
|
||||
|
||||
其他系统或版本可能会遇到软体功能故障或程序崩溃
|
||||
|
||||
## 特别感谢
|
||||
|
||||
360, Wix, VirusShare, mtkiao129, AV-T Team of LisectGroup
|
||||
|
||||
Copyright© 2020~2024 PYAS Security By 87owo
|
||||
-169
@@ -1,169 +0,0 @@
|
||||
# PYAS (Python 防毒軟體)
|
||||
|
||||

|
||||
|
||||
## 檔案資訊
|
||||
|
||||
PYAS.py -> PYAS主程式(包括動畫、掃描、保護功能等)
|
||||
|
||||
PYAS_Engine.py -> 轉換資料庫(用於相互轉換資料庫字典和清單)
|
||||
|
||||
PYAS_Extension.py -> 檔案副檔名(包括掃描檔案副檔名和常用檔案副檔名)
|
||||
|
||||
PYAS_Model.* -> 病毒庫(病毒庫必須放在同一目錄下)
|
||||
|
||||
PYAS_Interface.py -> PyQt5 Interface(由QT設計師設計,必須與主程式相符)
|
||||
|
||||
PYAS_Resource.py -> PyQt5資源(狀態圖片、圖示包、按鈕圖示等)
|
||||
|
||||
PYAS_Language.py -> 翻譯字典(繁體中文、簡體中文、英文)
|
||||
|
||||
PYAS_Version.py -> Pyinstaller Info(檔案資訊、版本資訊、原名等)
|
||||
|
||||
## 目錄資訊
|
||||
|
||||
```
|
||||
PYAS/
|
||||
├── Driver/
|
||||
│ ├── PYAS_Driver.sys
|
||||
│ └── ...
|
||||
│
|
||||
├── Model/
|
||||
│ ├── PYAS_Model.json
|
||||
│ ├── PYAS_Model.txt
|
||||
│ └── ...
|
||||
│
|
||||
├── Rules/
|
||||
│ ├── Yara_Rules.yar
|
||||
│ ├── Compile_Rules.yrc
|
||||
│ └── ...
|
||||
│
|
||||
├── PYAS.py
|
||||
├── PYAS_Engine.py
|
||||
└── ...
|
||||
```
|
||||
|
||||
## 安裝要求
|
||||
|
||||
使用 pip install requirements 來安裝需要的模組
|
||||
|
||||
```
|
||||
psutil==5.9.5
|
||||
pefile==2023.2.7
|
||||
requests==2.31.0
|
||||
pyperclip==1.8.2
|
||||
pywin32==306
|
||||
PyQt5==5.15.9
|
||||
```
|
||||
|
||||
## 檔案掃描
|
||||
|
||||
取得pefile檔案函數導入表進行掃描
|
||||
|
||||
```
|
||||
import pefile
|
||||
|
||||
def pe_scan(file):
|
||||
try:
|
||||
fn = []
|
||||
with pefile.PE(file) as pe:
|
||||
for entry in pe.DIRECTORY_ENTRY_IMPORT:
|
||||
for func in entry.imports:
|
||||
try:
|
||||
fn.append(str(func.name, "utf-8"))
|
||||
except:
|
||||
pass
|
||||
if fn in known_malicious_list:
|
||||
return "Virus"
|
||||
return "Safe"
|
||||
return "Unknown"
|
||||
except Exception as e:
|
||||
return f"Error: {e}"
|
||||
|
||||
info = pe_scan("path to file")
|
||||
print(info)
|
||||
```
|
||||
|
||||
## 進程監控
|
||||
|
||||
顯示新進程名稱、檔案路徑、cmd 行、pid
|
||||
```
|
||||
import psutil, time
|
||||
|
||||
def proc_detect():
|
||||
existing_process = set()
|
||||
for p in psutil.process_iter():
|
||||
existing_process.add(p.pid)
|
||||
while True:
|
||||
time.sleep(0.1)
|
||||
new_process = set()
|
||||
for p in psutil.process_iter():
|
||||
new_process.add(p.pid)
|
||||
for pid in new_process - existing_process:
|
||||
try:
|
||||
p = psutil.Process(pid)
|
||||
name, file, cmd = p.name(), p.exe(), p.cmdline()
|
||||
print(f"Name: {name}")
|
||||
print(f"File: {file}")
|
||||
print(f"Pid: {p.pid}")
|
||||
print(f"Cmd: {cmd}")
|
||||
except Exception as e:
|
||||
print(f"Error: {e}")
|
||||
existing_process = new_process
|
||||
|
||||
proc_detect()
|
||||
```
|
||||
|
||||
## 檔案監控
|
||||
|
||||
監控指定路徑下的檔案變化
|
||||
```
|
||||
import os, win32file, win32con
|
||||
|
||||
def file_detect(path):
|
||||
hDir = win32file.CreateFile(path,win32con.GENERIC_READ,win32con.FILE_SHARE_READ|win32con.FILE_SHARE_WRITE|win32con.FILE_SHARE_DELETE,None,win32con.OPEN_EXISTING,win32con.FILE_FLAG_BACKUP_SEMANTICS,None)
|
||||
while True:
|
||||
for action, file in win32file.ReadDirectoryChangesW(hDir,10485760,True,win32con.FILE_NOTIFY_CHANGE_FILE_NAME|win32con.FILE_NOTIFY_CHANGE_DIR_NAME|win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES|win32con.FILE_NOTIFY_CHANGE_SIZE|win32con.FILE_NOTIFY_CHANGE_LAST_WRITE|win32con.FILE_NOTIFY_CHANGE_SECURITY,None,None):
|
||||
try:
|
||||
fpath = os.path.join(path, file)
|
||||
if action == 1:
|
||||
print(f"File Create: {fpath}")
|
||||
elif action == 2:
|
||||
print(f"File Delete: {fpath}")
|
||||
elif action == 3:
|
||||
print(f"File Modify: {fpath}")
|
||||
elif action == 4:
|
||||
print(f"File Rename: {fpath}")
|
||||
elif action == 5:
|
||||
print(f"File Rename: {fpath}")
|
||||
except:
|
||||
pass
|
||||
|
||||
file_detect("path")
|
||||
```
|
||||
|
||||
## 官方網頁
|
||||
|
||||
https://pyantivirus.wixsite.com/pyas
|
||||
|
||||
https://github.com/87owo/PYAS
|
||||
|
||||
## 開源協議
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.md
|
||||
|
||||
## 驅動程式
|
||||
|
||||
https://github.com/0sha0/PYAS_Protection
|
||||
|
||||
## 支援系統
|
||||
|
||||
Windows 8.1, 10, 11 (64-bit),記憶體 500MB, 磁碟容量 200MB 或更高
|
||||
|
||||
其他系統或版本可能會遇到軟體功能故障或程序崩潰
|
||||
|
||||
## 特別感謝
|
||||
|
||||
Wix, 0sha0, mtkiao129, AV-T Team of LisectGroup
|
||||
|
||||
Copyright© 2020~2024 PYAS Security By 87owo
|
||||
Reference in new issue
Block a user