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87owo 0084867f38 Add files via upload 2026-03-29 21:14:20 +08:00
87owo 5a27858f86 Add files via upload 2026-03-27 02:17:54 +08:00
87owo 7905d8375f Add files via upload 2026-03-25 15:59:26 +08:00
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87owo 55d2661e38 Add files via upload 2026-03-11 17:37:54 +08:00
87owo 4803b89294 Update train.py 2026-03-11 16:05:26 +08:00
87owo e48adbd87d Add files via upload 2026-03-11 16:00:07 +08:00
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87owo 81a884bc61 Update PYAS_Engine.py 2026-02-18 23:56:27 +08:00
87owo ac4f960352 Add files via upload 2026-02-10 17:45:23 +08:00
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87owo 357540d0ad Update README.md 2026-01-24 01:19:33 +08:00
87owo 405622a91e Update README.md 2026-01-24 01:14:02 +08:00
87owo 5686c73c56 Update README.md 2026-01-24 01:11:38 +08:00
87owo 76e2f787ac Update README.md 2026-01-24 01:10:28 +08:00
87owo 02b67f4e6a Update README.md 2026-01-24 01:06:59 +08:00
87owo a2ab527761 Update README.md 2026-01-24 01:05:17 +08:00
87owo f1142ae742 Add files via upload 2026-01-23 14:48:01 +08:00
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87owo 533e7dfd15 Add files via upload 2026-01-23 13:49:06 +08:00
87owo ddcbe1cd51 Delete Engine directory 2026-01-23 13:46:15 +08:00
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87owo 491b0da83d Add files via upload 2026-01-10 22:48:17 +08:00
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87owo 6d0765848b Add files via upload 2026-01-10 20:03:39 +08:00
87owo 40c4ae71bd Merge pull request #35 from secretlay3r/main
refactor: replace ifs with dicts/sets + simplify exception handling
2026-01-10 19:37:25 +08:00
secretlay3r 8edba10dff Update PYAS.py
backup_mbr():
- Shorten except blocks logic into one
- Add len(mbr) == 512 check  
- Add MBR_SIGNATURE instead of just b"\x55\xAA"

pipe_server_thread():
- Replace whole ifs chain with RULES dict
- Replace [4001, 5001] with KILL_CODES set (for readability)

get_window_info()  and  get_process_name():
- Extract process name logic into private _get_process_name()
2026-01-10 14:17:27 +03:00
87owo 85aa7bc652 Add files via upload 2026-01-09 14:05:47 +08:00
87owo 854ad1db07 Add files via upload 2026-01-09 00:11:30 +08:00
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87owo 723152566d Add files via upload 2026-01-07 21:10:34 +08:00
87owo 678b045e0e Update README.md 2026-01-07 17:47:13 +08:00
87owo 681f4df49a Add files via upload 2026-01-07 17:44:23 +08:00
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87owo c14957afff Update and rename convert_full.py to convert.py 2026-01-04 22:34:35 +08:00
87owo 843a4998f1 Delete Engine/Model/convert.py 2026-01-04 20:45:08 +08:00
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87owo 1cdbb9c402 Add files via upload 2026-01-02 22:25:22 +08:00
87owo 8caacd1870 Update README.md 2026-01-01 21:38:30 +08:00
87owo cfbc4c9c20 Update README.md 2026-01-01 21:29:21 +08:00
87owo 76dbf1c5d0 Add files via upload 2026-01-01 20:38:03 +08:00
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87owo 9da0970d85 Delete ProtectRules.cpp 2026-01-01 18:31:01 +08:00
87owo d6f2ad32a7 Delete ProtectRegistry.cpp 2026-01-01 18:30:54 +08:00
87owo 8dbc87a331 Delete ProtectProcess.cpp 2026-01-01 18:30:45 +08:00
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87owo 81af2e51fc Delete Plugins/Filter/ProtectScreen.c 2026-01-01 03:37:53 +08:00
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87owo 87e2fcb37c Delete Plugins/Filter/DriverEntry.c 2026-01-01 03:35:05 +08:00
87owo bab43e3b17 Add files via upload 2026-01-01 03:34:44 +08:00
87owo e602088330 Add files via upload 2025-12-29 20:14:49 +08:00
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87owo 855472239a Delete Engine/Model/train_torch.py 2025-12-27 01:42:33 +08:00
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87owo 70ba3a629d Update README.md 2025-12-25 03:14:28 +08:00
87owo 29e9702d21 Update README.md 2025-12-25 03:12:28 +08:00
87owo f8ef756bd4 Add files via upload 2025-12-25 01:23:41 +08:00
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87owo 591055edaf Update README.md 2025-12-21 23:13:09 +08:00
87owo fbf0e06c04 Update LICENSE.txt 2025-12-19 22:46:40 +08:00
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87owo 4441978e10 Update LICENSE.txt 2025-12-19 22:38:14 +08:00
87owo d8eb770735 Update LICENSE.txt 2025-12-18 20:12:03 +08:00
87owo cefbf79c6e Update LICENSE.txt 2025-12-11 20:01:08 +08:00
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87owo 01e6d09f7c Update train.py 2025-11-26 17:56:08 +08:00
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87owo f8f4b303d7 Update LICENSE.txt 2025-11-01 17:08:11 +08:00
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87owo 0907d71957 Update README.md 2025-09-10 13:36:40 +08:00
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87owo 98d21b3391 Update LICENSE.txt 2025-09-09 09:45:56 +08:00
87owo 35d9203b9c Update LICENSE.txt 2025-09-09 09:32:39 +08:00
87owo e6e384a7f7 Rename LICENSE.md to LICENSE.txt 2025-09-09 08:45:38 +08:00
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PYDT 2b5c478e4b Update and rename LICENSE.md to LICENSE.txt 2025-08-15 15:39:17 +08:00
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43 changed files with 23394 additions and 270234 deletions

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-34
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@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
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@@ -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
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@@ -772,31 +772,26 @@ rule General_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 General_29 {
@@ -1442,31 +1437,3 @@ rule General_52 {
uint16(0) == 0x5a4d and filesize < 2000KB and
8 of them
}
rule General_53 {
meta:
description = "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
}
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@@ -1,11 +0,0 @@
{
"Suffix": [".com", ".exe", ".dll", ".sys", ".scr", ".bat", ".cmd", ".ps1", ".vbs", ".wsf"],
"Labels": ["Pefile/White", "Script/White", "Pefile/General", "Script/General"],
"Detect": ["Pefile/General", "Script/General"],
"Resize": [224, 224, 1, "nearest"],
"Values": 90
}
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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')
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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')
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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')
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import os, sys, time, ctypes, sqlite3, datetime, pefile, math, hashlib
import numpy as np
import ctypes.wintypes
####################################################################################################
DB_PATH = "pe_features.db"
BATCH_SIZE = 1000
MAX_FILE_SIZE = 256 * 1024 * 1024
TARGET_EXTENSIONS = {
'.exe', '.dll', '.sys', '.ocx', '.scr', '.efi', '.acm', '.ax', '.cpl', '.drv', '.com', '.mui', '.pyd'
}
####################################################################################################
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_UNION(ctypes.Union):
_fields_ = [
("pFile", ctypes.POINTER(WINTRUST_FILE_INFO)),
("pCatalog", ctypes.wintypes.LPVOID),
("pBlob", ctypes.wintypes.LPVOID),
("pSgnr", ctypes.wintypes.LPVOID),
("pCert", 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),
("u", WINTRUST_DATA_UNION),
("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 GUID(ctypes.Structure):
_fields_ = [
("Data1", ctypes.wintypes.DWORD),
("Data2", ctypes.wintypes.WORD),
("Data3", ctypes.wintypes.WORD),
("Data4", ctypes.c_ubyte * 8)
]
V2_GUID = GUID(0x00AAC56B, 0xCD44, 0x11D0, (ctypes.c_ubyte * 8)(0x8C, 0xC2, 0x00, 0xC0, 0x4F, 0xC2, 0x95, 0xEE))
####################################################################################################
def verify_signature(file_path):
if os.name != 'nt':
return 0
try:
wintrust = ctypes.windll.wintrust
wintrust.WinVerifyTrust.argtypes = [ctypes.wintypes.HWND, ctypes.POINTER(GUID), ctypes.wintypes.LPVOID]
wintrust.WinVerifyTrust.restype = ctypes.wintypes.LONG
abs_path = os.path.abspath(file_path)
fi = WINTRUST_FILE_INFO()
fi.cbStruct = ctypes.sizeof(WINTRUST_FILE_INFO)
fi.pcwszFilePath = abs_path
fi.hFile = None
fi.pgKnownSubject = None
wt_union = WINTRUST_DATA_UNION()
wt_union.pFile = ctypes.pointer(fi)
td = WINTRUST_DATA()
td.cbStruct = ctypes.sizeof(WINTRUST_DATA)
td.pPolicyCallbackData = None
td.pSIPClientData = None
td.dwUIChoice = 2
td.fdwRevocationChecks = 0
td.dwUnionChoice = 1
td.u = wt_union
td.dwStateAction = 0
td.hWVTStateData = None
td.pwszURLReference = None
td.dwProvFlags = 0
td.dwUIContext = 0
td.pSignatureSettings = None
return 1 if wintrust.WinVerifyTrust(None, ctypes.byref(V2_GUID), ctypes.byref(td)) == 0 else 0
except Exception as e:
print(e)
return 0
####################################################################################################
class Features:
API_CAT_MAPPING = {
'ProcessControl': {
'CreateProcessA', 'CreateProcessW', 'WinExec', 'ShellExecuteA', 'ShellExecuteW',
'ShellExecuteExW', 'ExitProcess', 'TerminateProcess', 'OpenProcess', 'GetExitCodeProcess',
'SetThreadPriority', 'GetThreadPriority', 'GetCurrentProcess', 'GetCurrentProcessId',
'GetModuleFileNameA', 'GetCommandLineA', 'GetModuleFileNameW', 'GetStartupInfoW'
},
'Injection': {
'VirtualAlloc', 'VirtualAllocEx', 'VirtualProtect', 'VirtualProtectEx', 'WriteProcessMemory',
'ReadProcessMemory', 'CreateRemoteThread', 'QueueUserAPC', 'SetThreadContext', 'GetThreadContext',
'Wow64SetThreadContext', 'NtUnmapViewOfSection', 'ZwUnmapViewOfSection', 'RtlCreateUserThread',
'SetWindowsHookExA', 'SetWindowsHookExW', 'UnhookWindowsHookEx', 'LoadLibraryA', 'LoadLibraryW',
'LoadLibraryExA', 'LoadLibraryExW', 'GetProcAddress', 'GetModuleHandleA', 'GetModuleHandleW',
'FreeLibrary', 'CreateFileMappingA', 'CreateFileMappingW', 'MapViewOfFile', 'UnmapViewOfSection',
'VirtualFree', 'VirtualQuery'
},
'Synchronization': {
'WaitForSingleObject', 'WaitForSingleObjectEx', 'WaitForMultipleObjects', 'WaitForMultipleObjectsEx',
'CreateMutexA', 'CreateMutexW', 'OpenMutexW', 'ReleaseMutex', 'CreateEventA', 'CreateEventW',
'OpenEventW', 'SetEvent', 'ResetEvent', 'EnterCriticalSection', 'LeaveCriticalSection',
'InitializeCriticalSection', 'DeleteCriticalSection', 'Sleep', 'SleepEx',
'InitializeCriticalSectionAndSpinCount', 'InterlockedDecrement', 'InterlockedIncrement',
'InterlockedExchange', 'InterlockedCompareExchange', 'SetTimer', 'KillTimer'
},
'MultiThreading': {
'CreateThread', 'ResumeThread', 'SuspendThread', 'ExitThread', 'TerminateThread',
'GetCurrentThread', 'GetCurrentThreadId', 'TlsAlloc', 'TlsSetValue', 'TlsGetValue',
'CreateThreadpoolWork', 'SubmitThreadpoolWork', 'TlsFree'
},
'Network': {
'socket', 'connect', 'send', 'recv', 'bind', 'listen', 'accept', 'gethostbyname', 'getaddrinfo',
'WSAStartup', 'WSACleanup', 'WSAIoctl', 'WSASocketA', 'WSASocketW', 'closesocket', 'htons',
'InternetOpenA', 'InternetOpenW', 'InternetConnectA', 'InternetConnectW', 'InternetOpenUrlA',
'InternetOpenUrlW', 'HttpOpenRequestA', 'HttpOpenRequestW', 'HttpSendRequestA', 'HttpSendRequestW',
'InternetReadFile', 'URLDownloadToFileA', 'URLDownloadToFileW', 'DnsQuery_A', 'DnsQuery_W'
},
'Encryption': {
'CryptAcquireContextA', 'CryptAcquireContextW', 'CryptCreateHash', 'CryptHashData',
'CryptDeriveKey', 'CryptEncrypt', 'CryptDecrypt', 'CryptDestroyKey', 'CryptDestroyHash',
'CryptReleaseContext', 'CryptGenKey', 'CryptImportKey', 'CryptExportKey'
},
'DataObfuscation': {
'RtlDecompressBuffer', 'MultiByteToWideChar', 'WideCharToMultiByte', 'Base64Decode',
'CryptDecodeObject', 'IsDBCSLeadByte', 'CharUpperA', 'CharLowerA',
'GetStringTypeW', 'LCMapStringW', 'IsValidCodePage', 'DecodePointer', 'EncodePointer'
},
'FileIO': {
'CreateFileA', 'CreateFileW', 'WriteFile', 'ReadFile', 'DeleteFileA', 'DeleteFileW',
'CopyFileA', 'CopyFileW', 'MoveFileA', 'MoveFileW', 'FindFirstFileA', 'FindNextFileA',
'GetTempPathA', 'GetTempPathW', 'GetTempFileNameA', 'GetTempFileNameW', 'SetFileAttributesA',
'SetFileAttributesW', 'DeviceIoControl', 'SetFileTime', 'GetFileSize', 'GetFileSizeEx',
'SetFilePointer', 'FlushFileBuffers', 'ConnectNamedPipe', 'PeekNamedPipe',
'CloseHandle', 'GetFileType', 'SetStdHandle', 'SetFilePointerEx', 'FindClose',
'SetHandleCount', 'SetEndOfFile', 'GetFullPathNameA', 'GetFileAttributesA'
},
'Registry': {
'RegOpenKeyExA', 'RegOpenKeyExW', 'RegSetValueExA', 'RegSetValueExW',
'RegCreateKeyExA', 'RegCreateKeyExW', 'RegDeleteKeyA', 'RegDeleteKeyW',
'RegEnumValueA', 'RegEnumValueW', 'RegQueryValueExA', 'RegQueryValueExW',
'RegDeleteValueA', 'RegDeleteValueW', 'RegCloseKey'
},
'Services': {
'OpenSCManagerA', 'OpenSCManagerW', 'CreateServiceA', 'CreateServiceW',
'StartServiceA', 'StartServiceW', 'ControlService', 'DeleteService'
},
'Privileges': {
'AdjustTokenPrivileges', 'LookupPrivilegeValueA', 'LookupPrivilegeValueW',
'OpenProcessToken', 'NetUserAdd', 'NetLocalGroupAddMembers', 'IsAdmin',
'GetUserNameA', 'GetUserNameW'
},
'Native': {
'RtlUnwind', 'RtlVirtualUnwind', 'RtlCaptureContext', 'RtlLookupFunctionEntry',
'NtClose', 'NtQueryInformationProcess', 'RtlAllocateHeap', 'RtlFreeHeap',
'GetSystemTimeAsFileTime', 'GetLocalTime', 'GlobalMemoryStatus',
'GetVersionExA', 'GetVersionExW', 'GetComputerNameA', 'GetComputerNameW',
'GetLastError', 'GetACP', 'RaiseException', 'SetLastError', 'GetEnvironmentStringsW',
'FreeEnvironmentStringsW', 'GetLocaleInfoA', 'lstrlenA', 'GetVersion', 'GetSystemInfo',
'CompareStringA'
},
'DotNet': {
'_CorExeMain', '_CorDllMain'
},
'AntiDebug': {
'IsDebuggerPresent', 'CheckRemoteDebuggerPresent', 'OutputDebugStringA', 'OutputDebugStringW',
'GetTickCount', 'GetTickCount64', 'QueryPerformanceCounter', 'FindWindowA', 'FindWindowW',
'EnumWindows', 'EnumChildWindows', 'GetWindowRect', 'GetClientRect', 'SetWindowDisplayAffinity',
'UnhandledExceptionFilter', 'SetUnhandledExceptionFilter', 'IsProcessorFeaturePresent',
'SetErrorMode', 'GetTimeZoneInformation', 'GetDriveTypeW', 'GetDiskFreeSpaceA'
},
'Keylogging': {
'GetAsyncKeyState', 'GetKeyState', 'GetKeyboardState', 'MapVirtualKeyA', 'MapVirtualKeyW',
'ToAscii', 'ToAsciiEx', 'ToUnicode', 'ToUnicodeEx', 'GetKeyNameTextA', 'GetForegroundWindow',
'KeybdEvent', 'SendInput', 'MapVirtualKeyExA', 'MapVirtualKeyExW', 'CallNextHookEx'
},
'Input': {
'GetCursorPos', 'SetCursorPos', 'MouseEvent', 'GetDoubleClickTime',
'GetCapture', 'SetCapture'
},
'ScreenCapture': {
'BitBlt', 'StretchBlt', 'GetDC', 'GetWindowDC', 'CreateCompatibleDC', 'CreateCompatibleBitmap',
'GdipSaveImageToFile', 'PrintWindow', 'GetDesktopWindow', 'CreateDCW', 'CreateDCA',
'SelectObject', 'DeleteDC', 'DeleteObject', 'GetDeviceCaps', 'GetSystemMetrics'
},
'Graphics': {
'Direct3DCreate9', 'D3D11CreateDevice'
},
'Audio': {
'WaveInOpen', 'WaveInClose', 'WaveInStart', 'WaveInStop'
},
'Clipboard': {
'OpenClipboard', 'CloseClipboard', 'GetClipboardData', 'SetClipboardData'
},
'Camera': {
'CapCreateCaptureWindowA', 'CapCreateCaptureWindowW'
},
'Memory': {
'HeapAlloc', 'HeapFree', 'HeapSize', 'HeapCreate', 'GetProcessHeap',
'LocalAlloc', 'LocalFree', 'GlobalAlloc', 'GlobalFree', 'GlobalUnlock',
'HeapDestroy', 'GlobalLock', 'SysFreeString', 'SysAllocStringLen'
},
'Resource': {
'LoadResource', 'SizeofResource', 'LockResource', 'FreeResource', 'FindResourceA'
},
'WindowControl': {
'ShowWindow', 'DestroyWindow', 'TranslateMessage', 'DispatchMessageA', 'GetWindow',
'PeekMessageA', 'GetWindowLongA', 'CallWindowProcA', 'SetWindowLongA', 'GetWindowTextA',
'ScreenToClient', 'GetActiveWindow', 'CreateWindowExA', 'DefWindowProcA', 'GetMessageA',
'RegisterClassA', 'UnregisterClassA', 'MessageBoxA'
},
'COM': {
'CoCreateInstance', 'CoUninitialize', 'CoInitialize'
}
}
TARGET_DLLS = {
'kernel32.dll', 'user32.dll', 'gdi32.dll', 'advapi32.dll', 'shell32.dll', 'ntdll.dll', 'hal.dll',
'ws2_32.dll', 'wsock32.dll', 'wininet.dll', 'winhttp.dll', 'urlmon.dll', 'crypt32.dll', 'bcrypt.dll',
'psapi.dll', 'dbghelp.dll', 'imagehlp.dll', 'shlwapi.dll', 'ole32.dll', 'oleaut32.dll', 'comctl32.dll',
'mscoree.dll', 'vbscript.dll', 'netapi32.dll', 'iphlpapi.dll', 'wtsapi32.dll', 'version.dll', 'winmm.dll'
}
BASE_SCHEMA = [
"FileEntropy", "SectionMeanEntropy", "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",
"TextSectionMaxEntropy", "TextSectionMeanEntropy", "TextSizeRatio",
"DataSectionMaxEntropy", "DataSectionMeanEntropy", "DataSizeRatio",
"RsrcSectionMaxEntropy", "RsrcSectionMeanEntropy", "RsrcSizeRatio",
"SectionCount", "ExecutableSections",
"WritableSections", "ReadableSections", "SectionException",
"Char_00000020_Count", "Char_00000020_MeanEntropy",
"Char_00000040_Count", "Char_00000040_MeanEntropy",
"Char_00000080_Count", "Char_00000080_MeanEntropy",
"Char_02000000_Count", "Char_02000000_MeanEntropy",
"Char_20000000_Count", "Char_20000000_MeanEntropy",
"Char_40000000_Count", "Char_40000000_MeanEntropy",
"Char_80000000_Count", "Char_80000000_MeanEntropy",
"IconCount", "ApiCount", "ExportCount", "DebugCount", "ExceptionCount",
"ImportCount", "ImportFunctionCount",
"FileDescriptionLength", "FileVersionLength", "ProductNameLength",
"ProductVersionLength", "CompanyNameLength", "LegalCopyrightLength",
"CommentsLength", "InternalNameLength", "LegalTrademarksLength",
"SpecialBuildLength", "PrivateBuildLength",
"TrustSigned", "IsDebug", "IsPatched", "IsPrivateBuild", "IsPreRelease",
"IsSpecialBuild", "IsAdmin", "IsInstall", "HasTlsCallbacks",
"HasInvalidTimestamp", "HasRelocationDirectory", "HasPacked", "FileTimeException"
]
CAT_SCHEMA = [f"Cat_{k}" for k in sorted(API_CAT_MAPPING.keys())]
DLL_SCHEMA = [f"Dll_{d.replace('.', '_')}" for d in sorted(TARGET_DLLS)]
_ALL_APIS = {api for apis in API_CAT_MAPPING.values() for api in apis}
API_SCHEMA = [f"Api_{api}" for api in sorted(_ALL_APIS)]
SCHEMA = BASE_SCHEMA + CAT_SCHEMA + DLL_SCHEMA + API_SCHEMA
_API_TO_CATS = {}
for _cat, _apis in API_CAT_MAPPING.items():
for _api in _apis:
if _api not in _API_TO_CATS:
_API_TO_CATS[_api] = []
_API_TO_CATS[_api].append(_cat)
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 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 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 float(n) / d if d > 0 else 0.0
def process_single_file_content(file_bytes, file_path):
fsize = len(file_bytes)
if fsize == 0: return None
fts = {k: 0.0 for k in Features.SCHEMA}
pe = None
try:
pe = pefile.PE(data=file_bytes, 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'] = 1.0 if (fh.TimeDateStamp < 631152000 or fh.TimeDateStamp > curr_ts + 2592000) else 0.0
fts['FileTimeException'] = 1.0 if fh.TimeDateStamp == 0 else 0.0
if hasattr(pe, 'OPTIONAL_HEADER'):
op = pe.OPTIONAL_HEADER
fts['Magic'] = getattr(op, 'Magic', 0)
fts['MajorLinkerVersion'] = getattr(op, 'MajorLinkerVersion', 0)
fts['MinorLinkerVersion'] = getattr(op, 'MinorLinkerVersion', 0)
fts['SizeOfCode'] = getattr(op, 'SizeOfCode', 0)
fts['SizeOfInitializedData'] = getattr(op, 'SizeOfInitializedData', 0)
fts['SizeOfUninitializedData'] = getattr(op, 'SizeOfUninitializedData', 0)
fts['AddressOfEntryPoint'] = getattr(op, 'AddressOfEntryPoint', 0)
fts['BaseOfCode'] = getattr(op, 'BaseOfCode', 0)
fts['ImageBase'] = getattr(op, 'ImageBase', 0)
fts['SectionAlignment'] = getattr(op, 'SectionAlignment', 0)
fts['FileAlignment'] = getattr(op, 'FileAlignment', 0)
fts['MajorOperatingSystemVersion'] = getattr(op, 'MajorOperatingSystemVersion', 0)
fts['MinorOperatingSystemVersion'] = getattr(op, 'MinorOperatingSystemVersion', 0)
fts['MajorImageVersion'] = getattr(op, 'MajorImageVersion', 0)
fts['MinorImageVersion'] = getattr(op, 'MinorImageVersion', 0)
fts['MajorSubsystemVersion'] = getattr(op, 'MajorSubsystemVersion', 0)
fts['MinorSubsystemVersion'] = getattr(op, 'MinorSubsystemVersion', 0)
fts['SizeOfImage'] = getattr(op, 'SizeOfImage', 0)
fts['SizeOfHeaders'] = getattr(op, 'SizeOfHeaders', 0)
fts['CheckSum'] = getattr(op, 'CheckSum', 0)
fts['Subsystem'] = getattr(op, 'Subsystem', 0)
fts['DllCharacteristics'] = getattr(op, 'DllCharacteristics', 0)
fts['SizeOfStackReserve'] = getattr(op, 'SizeOfStackReserve', 0)
fts['SizeOfStackCommit'] = getattr(op, 'SizeOfStackCommit', 0)
fts['SizeOfHeapReserve'] = getattr(op, 'SizeOfHeapReserve', 0)
fts['SizeOfHeapCommit'] = getattr(op, 'SizeOfHeapCommit', 0)
fts['LoaderFlags'] = getattr(op, 'LoaderFlags', 0)
fts['NumberOfRvaAndSizes'] = getattr(op, 'NumberOfRvaAndSizes', 0)
fts['Is64Bit'] = 1.0 if fh.Machine in (0x8664, 0xAA64, 0x0200) else 0.0
fts['IsExe'] = 1.0 if pe.is_exe() else 0.0
fts['IsDll'] = 1.0 if pe.is_dll() else 0.0
fts['IsDriver'] = 1.0 if fts['Subsystem'] == 1 else 0.0
if hasattr(op, 'DATA_DIRECTORY'):
reloc_idx = pefile.DIRECTORY_ENTRY.get('IMAGE_DIRECTORY_ENTRY_BASERELOC', 5)
if len(op.DATA_DIRECTORY) > reloc_idx and op.DATA_DIRECTORY[reloc_idx].Size > 0:
fts['HasRelocationDirectory'] = 1.0
try:
fts['FileEntropy'] = calc_entropy(file_bytes)
except Exception:
pass
sec_entropies = []
text_entropies = []
data_entropies = []
rsrc_entropies = []
char_flags = [0x00000020, 0x00000040, 0x00000080, 0x02000000, 0x20000000, 0x40000000, 0x80000000]
if hasattr(pe, 'sections'):
fts['SectionCount'] = len(pe.sections)
for section in pe.sections:
try:
name = section.Name.decode('ascii', 'ignore').strip('\x00')
except Exception:
name = ""
try:
s_data = section.get_data()
s_entropy = calc_entropy(s_data)
except Exception:
s_data = b""
s_entropy = 0.0
sec_entropies.append(s_entropy)
if any(p in name.lower() for p in Features.PACKERS): fts['HasPacked'] = 1.0
if section.Characteristics & 0x20000000: fts['ExecutableSections'] += 1.0
if section.Characteristics & 0x80000000: fts['WritableSections'] += 1.0
if section.Characteristics & 0x40000000: fts['ReadableSections'] += 1.0
if section.SizeOfRawData + section.PointerToRawData > fsize: fts['SectionException'] = 1.0
for flag in char_flags:
if section.Characteristics & flag:
fts[f'Char_{flag:08X}_Count'] += 1.0
fts[f'Char_{flag:08X}_MeanEntropy'] += s_entropy
ratio = safe_div(section.SizeOfRawData, fsize)
if name.startswith('.text'):
text_entropies.append(s_entropy)
fts['TextSizeRatio'] += ratio
elif name.startswith('.data'):
data_entropies.append(s_entropy)
fts['DataSizeRatio'] += ratio
elif name.startswith('.rsrc'):
rsrc_entropies.append(s_entropy)
fts['RsrcSizeRatio'] += ratio
if b"requireAdministrator" in s_data: fts['IsAdmin'] = 1.0
for sig in Features.INSTALLER_SIGS:
if sig in s_data:
fts['IsInstall'] = 1.0
break
fts['SectionMeanEntropy'] = safe_div(sum(sec_entropies), len(sec_entropies))
fts['TextSectionMaxEntropy'] = max(text_entropies) if text_entropies else 0.0
fts['TextSectionMeanEntropy'] = safe_div(sum(text_entropies), len(text_entropies))
fts['DataSectionMaxEntropy'] = max(data_entropies) if data_entropies else 0.0
fts['DataSectionMeanEntropy'] = safe_div(sum(data_entropies), len(data_entropies))
fts['RsrcSectionMaxEntropy'] = max(rsrc_entropies) if rsrc_entropies else 0.0
fts['RsrcSectionMeanEntropy'] = safe_div(sum(rsrc_entropies), len(rsrc_entropies))
for flag in char_flags:
fts[f'Char_{flag:08X}_MeanEntropy'] = safe_div(fts[f'Char_{flag:08X}_MeanEntropy'], fts[f'Char_{flag:08X}_Count'])
try:
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'],
pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_TLS']
])
except Exception:
pass
if hasattr(pe, 'DIRECTORY_ENTRY_TLS') and hasattr(pe.DIRECTORY_ENTRY_TLS, 'struct'):
if getattr(pe.DIRECTORY_ENTRY_TLS.struct, 'AddressOfCallBacks', 0) != 0:
fts['HasTlsCallbacks'] = 1.0
if hasattr(pe, 'VS_FIXEDFILEINFO') and len(pe.VS_FIXEDFILEINFO) > 0:
flags = getattr(pe.VS_FIXEDFILEINFO[0], 'FileFlags', 0)
fts['IsDebug'] = 1.0 if flags & 0x1 else 0.0
fts['IsPreRelease'] = 1.0 if flags & 0x2 else 0.0
fts['IsPatched'] = 1.0 if flags & 0x4 else 0.0
fts['IsPrivateBuild'] = 1.0 if flags & 0x8 else 0.0
fts['IsSpecialBuild'] = 1.0 if flags & 0x20 else 0.0
if hasattr(pe, 'FileInfo'):
for fileinfo_list in pe.FileInfo:
for fileinfo in fileinfo_list:
if getattr(fileinfo, 'name', '') in ('StringFileInfo', b'StringFileInfo'):
for st in getattr(fileinfo, 'StringTable', []):
for key, val in st.entries.items():
try:
k = key.decode('utf-8', 'ignore') if isinstance(key, bytes) else str(key)
v = val.decode('utf-8', 'ignore') if isinstance(val, bytes) else str(val)
length = len(v)
if k == 'FileDescription': fts['FileDescriptionLength'] = length
elif k == 'FileVersion': fts['FileVersionLength'] = length
elif k == 'ProductName': fts['ProductNameLength'] = length
elif k == 'ProductVersion': fts['ProductVersionLength'] = length
elif k == 'CompanyName': fts['CompanyNameLength'] = length
elif k == 'LegalCopyright': fts['LegalCopyrightLength'] = length
elif k == 'Comments': fts['CommentsLength'] = length
elif k == 'InternalName': fts['InternalNameLength'] = length
elif k == 'LegalTrademarks': fts['LegalTrademarksLength'] = length
elif k == 'SpecialBuild': fts['SpecialBuildLength'] = length
elif k == 'PrivateBuild': fts['PrivateBuildLength'] = length
except Exception:
continue
if hasattr(pe, 'DIRECTORY_ENTRY_IMPORT'):
fts['ImportCount'] = len(pe.DIRECTORY_ENTRY_IMPORT)
for entry in pe.DIRECTORY_ENTRY_IMPORT:
if getattr(entry, 'dll', None):
try:
dll_name = entry.dll.decode('ascii', 'ignore').lower()
if dll_name in Features.TARGET_DLLS:
fts[f"Dll_{dll_name.replace('.', '_')}"] = 1.0
except Exception:
pass
imports = getattr(entry, 'imports', [])
for imp in imports:
fts['ImportFunctionCount'] += 1.0
if not getattr(imp, 'name', None): continue
try:
func_name = imp.name.decode('ascii', 'ignore')
if func_name in Features._ALL_APIS:
fts[f'Api_{func_name}'] += 1.0
fts['ApiCount'] += 1.0
for cat in Features._API_TO_CATS.get(func_name, []):
fts[f'Cat_{cat}'] += 1.0
except Exception:
continue
if hasattr(pe, 'DIRECTORY_ENTRY_EXPORT') and hasattr(pe.DIRECTORY_ENTRY_EXPORT, 'symbols'):
fts['ExportCount'] = len(pe.DIRECTORY_ENTRY_EXPORT.symbols)
if hasattr(pe, 'DIRECTORY_ENTRY_RESOURCE'):
for entry in pe.DIRECTORY_ENTRY_RESOURCE.entries:
if getattr(entry, 'id', None) == 3 and hasattr(entry, 'directory'):
fts['IconCount'] += len(getattr(entry.directory, 'entries', []))
if hasattr(pe, 'OPTIONAL_HEADER') and hasattr(pe.OPTIONAL_HEADER, 'DATA_DIRECTORY') and len(pe.OPTIONAL_HEADER.DATA_DIRECTORY) > 3:
exc_dir = pe.OPTIONAL_HEADER.DATA_DIRECTORY[3]
if exc_dir.Size > 0:
fts['ExceptionCount'] = exc_dir.Size // 12 if fts['Machine'] in (0x8664, 0xAA64) else 0.0
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 pefile.PEFormatError:
return None
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 = "FileHash TEXT, " + ", ".join([f"{c} REAL" for c in Features.SCHEMA])
conn.execute(f"CREATE TABLE IF NOT EXISTS PeData ({cols}, Label INTEGER)")
conn.execute(f"CREATE UNIQUE INDEX IF NOT EXISTS idx_pedata_hash ON PeData (FileHash)")
conn.commit()
return conn
def load_existing_hashes(conn):
print("[*] Loading existing hashes into memory...")
try:
cursor = conn.execute("SELECT FileHash FROM PeData")
return {row[0] for row in cursor.fetchall()}
except:
return set()
####################################################################################################
def scan_and_save(conn, path, label, existing_hashes):
print(f"\n[*] Scanning: {path} (Label={label})")
print(f"[*] Config: Max File Size = {MAX_FILE_SIZE/1024/1024:.0f} MB")
files = []
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.")
return
print(f"[*] Found {total} files. Processing...\n")
batch = []
count = 0
errors = 0
skipped = 0
start_time = time.time()
placeholders = ",".join(["?"] * (len(Features.SCHEMA) + 2))
sql = f"INSERT INTO PeData VALUES ({placeholders})"
try:
for i, file_path in enumerate(files):
try:
fsize = os.path.getsize(file_path)
if fsize == 0 or fsize > MAX_FILE_SIZE:
errors += 1
continue
with open(file_path, "rb") as f:
file_bytes = f.read()
sha256 = hashlib.sha256(file_bytes).hexdigest()
if sha256 in existing_hashes:
skipped += 1
else:
res = process_single_file_content(file_bytes, file_path)
if res:
vals = [sha256]
vals.extend([res.get(c, 0.0) for c in Features.SCHEMA])
vals.append(float(label))
batch.append(tuple(vals))
existing_hashes.add(sha256)
count += 1
else:
errors += 1
except Exception:
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}")
batch = []
elapsed = time.time() - start_time
rate = (i + 1) / elapsed if elapsed > 0 else 0
sys.stdout.write(f"\r[{i+1}/{total}] New: {count} | Skip: {skipped} | 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:
try:
conn.executemany(sql, batch)
conn.commit()
except Exception:
pass
print(f"\n\n[+] Scan finished. Total New: {count}, Total Skipped: {skipped}")
####################################################################################################
if __name__ == "__main__":
print("\n---------------- PE Dataset Builder v3.2 ----------------\n")
if os.path.exists(DB_PATH):
try:
conn_check = sqlite3.connect(DB_PATH)
cursor = conn_check.execute("PRAGMA table_info(PeData)")
cols = [row[1] for row in cursor.fetchall()]
if 'FileHash' not in cols or len(cols) != len(Features.SCHEMA) + 2:
print(f"[-] WARNING: DB Schema mismatch. Please delete {DB_PATH} to rebuild.")
conn_check.close()
except: pass
conn = init_db()
existing_hashes = load_existing_hashes(conn)
print(f"[+] Loaded {len(existing_hashes)} hashes from database.\n")
try:
while True:
print("-" * 60)
raw_path = input("\n[*] 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.")
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
print("[-] Please enter 0 or 1.")
scan_and_save(conn, target_path, label, existing_hashes)
except KeyboardInterrupt:
print("\n\n[-] Interrupted.")
finally:
conn.close()
print(f"\n[+] Database saved to: {os.path.abspath(DB_PATH)}")
+217
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@@ -0,0 +1,217 @@
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 = "model.txt"
ONNX_FILE = "model.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': 31,
'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': 10,
'lambda_l1': 0.1,
'lambda_l2': 0.1,
}
####################################################################################################
def clean_col_name(name):
return re.sub(r'[^A-Za-z0-9_]+', '', name)
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 = {'label', 'id', 'filename', 'filelength', 'rowid', 'probability', 'predictedlabel', 'score', 'filehash', 'timedatestamp'}
return [c for c in columns if c.lower().strip() not in exclude]
except Exception as e:
print(f"[-] Schema extraction error: {e}")
return None
finally:
conn.close()
####################################################################################################
def load_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:
chunks = []
for chunk in pd.read_sql_query(sql, conn, chunksize=20000):
label_col = next((c for c in chunk.columns if c.lower().strip() == 'label'), None)
if not label_col:
print("[-] Critical Error: Label column not found.")
return None, None, None
cols_to_cast = [c for c in chunk.columns if c != label_col]
chunk[cols_to_cast] = chunk[cols_to_cast].astype(np.float32)
chunk[label_col] = chunk[label_col].astype(np.int8)
chunks.append(chunk)
if not chunks:
return None, None, None
df = pd.concat(chunks, ignore_index=True)
label_col = next((c for c in df.columns if c.lower().strip() == 'label'), 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()
rename_map = {old: clean_col_name(old) for old in X.columns}
X = X.rename(columns=rename_map)
if X.columns.duplicated().any():
print("[-] Warning: Duplicate column names detected after cleaning. Deduplicating...")
X = X.loc[:, ~X.columns.duplicated()]
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_target = 0.01
final_pos_weight = base_weight * weight_ratio_target
print(f"[*] Balance Report: Safe={n_neg}, Malware={n_pos}")
print(f"[*] Weight Config: Base Balanced={base_weight:.4f}, Final Adjusted={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...")
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 v3.1 ----------------\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_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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@@ -1,117 +0,0 @@
Windows Registry Editor Version 5.00
; Repair system restrictions
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\MMC]
; NoControlPanel
"NoControlPanel"=dword:00000000
; NoDrives
"NoDrives"=dword:00000000
; NoFileMenu
"NoFileMenu"=dword:00000000
; NoFind
"NoFind"=dword:00000000
; NoRealMode
"NoRealMode"=dword:00000000
; NoRecentDocsMenu
"NoRecentDocsMenu"=dword:00000000
; NoSetFolders
"NoSetFolders"=dword:00000000
; NoSetFolderOptions
"NoSetFolderOptions"=dword:00000000
; NoViewOnDrive
"NoViewOnDrive"=dword:00000000
; NoClose
"NoClose"=dword:00000000
; NoRun
"NoRun"=dword:00000000
; NoDesktop
"NoDesktop"=dword:00000000
; NoLogOff
"NoLogOff"=dword:00000000
; NoFolderOptions
"NoFolderOptions"=dword:00000000
; RestrictRun
"RestrictRun"=dword:00000000
; NoViewContextMenu
"NoViewContexMenu"=dword:00000000
; HideClock
"HideClock"=dword:00000000
; NoStartMenuMorePrograms
"NoStartMenuMorePrograms"=dword:00000000
; NoStartMenuMyGames
"NoStartMenuMyGames"=dword:00000000
; NoStartMenuMyMusic
"NoStartMenuMyMusic"=dword:00000000
; DisableCMD
"DisableCMD"=dword:00000000
; NoWinKeys
"NoWinKeys"=dword:00000000
; StartMenuLogOff
"StartMenuLogOff"=dword:00000000
; NoSimpleNetlDList
"NoSimpleNetlDList"=dword:00000000
; NoLowDiskSpaceChecks
"NoLowDiskSpaceChecks"=dword:00000000
; DisableLockWorkstation
"DisableLockWorkstation"=dword:00000000
; Restrict_Run
"Restrict_Run"=dword:00000000
; DisableTaskMgr
"DisableTaskMgr"=dword:00000000
; DisableRegistryTools
"DisableRegistryTools"=dword:00000000
; DisableChangePassword
"DisableChangePassword"=dword:00000000
; Wallpaper
"Wallpaper"=dword:00000000
; NoComponents
"NoComponents"=dword:00000000
; NoAddingComponents
"NoAddingComponents"=dword:00000000
; NoStartMenuPinnedList
"NoStartMenuPinnedList"=dword:00000000
; NoActiveDesktop
"NoActiveDesktop"=dword:00000000
; NoSetActiveDesktop
"NoSetActiveDesktop"=dword:00000000
; NoActiveDesktopChanges
"NoActiveDesktopChanges"=dword:00000000
; NoChangeStartMenu
"NoChangeStartMenu"=dword:00000000
; NoFavoritesMenu
"NoFavoritesMenu"=dword:00000000
; NoRecentDocsHistory
"NoRecentDocsHistory"=dword:00000000
; NoSetTaskbar
"NoSetTaskbar"=dword:00000000
; NoSMHelp
"NoSMHelp"=dword:00000000
; NoTrayContextMenu
"NoTrayContextMenu"=dword:00000000
; NoViewContextMenu
"NoViewContextMenu"=dword:00000000
; NoManageMyComputerVerb
"NoManageMyComputerVerb"=dword:00000000
; NoWindowsUpdate
"NoWindowsUpdate"=dword:00000000
; ClearRecentDocsOnExit
"ClearRecentDocsOnExit"=dword:00000000
; NoStartMenuNetworkPlaces
"NoStartMenuNetworkPlaces"=dword:00000000
; Repair Image File Execution Options
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options]
; (Delete all subkeys here if necessary)
; Repair executable file icon
[HKEY_CLASSES_ROOT\exefile\DefaultIcon]
@="%1"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\DefaultIcon]
@="%1"
; Repair executable file type
[HKEY_CLASSES_ROOT\.exe]
@="exefile"
[HKEY_CLASSES_ROOT\exefile\shell\open\command]
@="\"%1\" %*"
-1
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@@ -1 +0,0 @@
sfc /scannow
-1
View File
@@ -1 +0,0 @@
None
-21
View File
@@ -1,21 +0,0 @@
MIT License
Copyright (c) 2020-2025 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
View File
@@ -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.
+2145 -1484
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+555
View File
@@ -0,0 +1,555 @@
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 ",
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"丟失":"Утерян ", "網站":"Сайт ", "不兼容":"Несовместимо ", "列表":"Список ",
"竄改":"Вмешательство ", "第三方":"Сторонний ", "實時":"Реальное время ", "查看":"Просмотр ",
"指定":"Указать ", "清空":"Очистить ", "資源回收桶":"Корзина ", "無法":"Невозможно ",
"與":"С ", "當":"Когда ", "功能":"Функция ", "異常":"Аномалия ", "來":"Для ",
"重置":"Сброс ", "窗口":"Окно ", "暫存":"Временный ", "自訂":"Пользовательский ",
"不支持":"Не поддерживается ", "共":"Всего ", "秒":"Секунд ", "耗時":"Заняло ",
"沙箱":"Песочница ", "虛擬":"Виртуальный ", "隔離":"Карантин ", "時":"",
"建立":"Создать ", "環境":"Среда ", "化":"", "表":"",
"達":"Достигнут ", "上限":"Лимит ", "區":"", "金鑰":"Ключ ", "產品":"Продукт ",
"運行庫":".NET CLR ", "殼碼":"Шелл-код ", "線程":"Поток ", "注入":"Инъекция ",
"前往":"Перейти ", "檢查":"Проверить ", "可用":"Доступно ", "靜態":"Статический ",
"版本":"Версия ", "是":"", "剩餘":"Осталось ", "遠控":"Удаленный ", " ":" "},
"slovenian_switch": {"開啟":"Vklop ", "關閉":"Izklop ", "开启":"Vklop ", "关闭":"Izklop ", ",":", ",
"立即刪除":"Izbriši zdaj ", "安全模式":"Varni način ", "官方網站":"Uradna spletna stran ",
"腳本":"Skripta ", "鏈式":"Veriga ", "記憶體":"Pomnilnik ", "正在加載":"Nalaganje ", "加載":"Naloži ",
"行為":"Vedenje ", "可疑":"Sumljivo ", "勒索":"Izsiljevalska ", "主要":"Glavni ",
"許可條款":"Licenčni pogoji ", "惡意":"Zlonamerno ", "開發":"Razvijalci ",
"啟用":"Omogoči ", "禁用":"Onemogoči ", "正在初始化中":"Inicializacija ", "初始化":"Inicializiraj ",
"正在掃描":"Skeniranje ", "正在刪除":"Brisanje ", "正在追蹤":"Sledenje ",
"最小化到":"Minimiziraj v ", "靈敏度":"Občutljivost ", "正在檢查":"Preverjanje ",
"確定要":"Ali ste prepričani ", "引擎靈敏度":"Občutljivost mehanizma ", "更新":"Posodobi ",
"白色主題":"Bela", "黃色主題":"Rumena", "紅色主題":"Rdeča", "語言":"Jezik ",
"藍色主題":"Modra", "綠色主題":"Zelena", "自訂主題":"Po meri", "黑色主題":"Črna",
"特別感謝":"Sodelavci ", "版本資訊":"Informacije o različici ", "通訊":"Povezava ",
"註冊":"Register ", "退出":"Izhod ", "檔案":"Datoteka ", "當前":"Trenutno ",
"狀態":"Stanje ", "掃描":"Skeniraj ", "工具":"Orodja ", "防護":"Zaščita ",
"失敗":"Neuspešno ", "請":"Prosim ", "路徑":"Pot ", "方式":"Način ",
"需要":"Potrebno ", "病毒":"Virus ", "選擇":"Izberi ", "返回":"Nazaj",
"受到":"Prejeto ", "錯誤":"Napaka ", "完成":"Končano ", "引擎":"Mehanizem ",
"托盤":"Pladenj ", "圖標":"Ikona ", "不安全":"Nevarno ", "增強":"Izboljšaj ",
"系統":"Sistem ", "雲端":"Oblak ", "重啟":"Ponovni zagon ", "修復":"Popravi ",
"裝置":"Naprava ", "發現":"Najdeno ", "成功":"Uspeh ", "清理":"Čiščenje ",
"確定":"V redu ", "執行":"Izvedi ", "警告":"Opozorilo ", "使用":"Uporabi ",
"網路":"Omrežje ", "變更":"Spremeni ", "總數":"Skupaj ", "結束":"Konec ",
"選項":"Možnosti ", "監控":"Nadzor ", "連接":"Poveži ", "可以":"Lahko ",
"進程":"Proces ", "攔截":"Blokiraj ", "引導":"Zagon ", "刪除":"Izbriši ",
"分區":"Particija ", "設定":"Nastavitve ", "關於":"O programu ", "模式":"Način ",
"提高":"Povečaj ", "安全":"Varnost ", "顯色":"Barva ", "顏色":"Barva ",
"主題":"Tema ", "回收":"Koš ", "無用":"Nekoristno ", "導入":"Uvozi ",
"風險":"Tveganje ", "介面":"Vmesnik ", "核心":"Jedro ", "服務":"Storitve ",
"管理":"Upravljaj ", "所有":"Vse ", "您":"Vi ", "取消":"Prekliči ", "未":"Ne ",
"垃圾":"Smeti ", "位元":"bajtov ", "本機":"PC ", "停止":"Ustavi ",
"到":"V ", "白名單":"Beli seznam ", "軟體":"Programska oprema ", "正在":"",
"增加":"Dodaj ", "移除":"Odstrani ", "項目":"Predmeti ", "生成":"Ustvari ", "稱":"",
"複製":"Kopiraj ", "此":"To ", "並":"In ", "全盤":"Popolno ", "最新":"Najnovejše ",
"已存在":"Že obstaja ", "數據庫":"Podatkovna baza ", "誤報":"Lažni alarm ",
"高":"Visoko ", "新":"Novo ", "和":"In ", "可能會":"Možno ", "會":"Bo ",
"日誌":"Dnevnik ", "已":"Že ", "彈窗":"Okno ", "要":"V ", "驅動":"Gonilnik ",
"的":"", "顯示":"", "個":"", "嗎":"", "了":"", "行":"", "立即":"", "規則":"Pravilo ",
"密鑰":"Ključ ", "檢測":"Zaznaj ", "製作":"Ustvarjalec ", "運行":"Se izvaja ",
"擴展":"Razširitev ", "套件":"Komplet ", "自動":"Samodejno ", "上報":"Prijavi ",
"分析":"Analiza ", "自身":"Samo ", "其他":"Drugo ", "配置":"Konfiguracija ",
"丟失":"Izgubljeno ", "網站":"Spletno mesto ", "不兼容":"Nezdružljivo ", "列表":"Seznam ",
"竄改":"Spreminjanje ", "第三方":"Tretja oseba ", "實時":"V realnem času ", "查看":"Poglej ",
"指定":"Določi ", "清空":"Izprazni ", "資源回收桶":"Koš ", "無法":"Ni mogoče ",
"與":"Z ", "當":"Ko ", "功能":"Funkcija ", "異常":"Nenormalno ", "來":"Za ",
"重置":"Ponastavi ", "窗口":"Okno ", "暫存":"Začasno ", "自訂":"Po meri ",
"不支持":"Ni podprto ", "共":"Skupaj ", "秒":"Sekund ", "耗時":"Trajalo ",
"沙箱":"Peskovnik ", "虛擬":"Virtualno ", "隔離":"Karantena ", "時":"",
"建立":"Ustvari ", "環境":"Okolje ", "化":"", "表":"",
"達":"Doseženo ", "上限":"Omejitev ", "區":"", "金鑰":"Ključ ", "產品":"Izdelek ",
"運行庫":".NET CLR ", "殼碼":"Zlonamerna koda ", "線程":"Nit ", "注入":"Vbrizgavanje ",
"前往":"Pojdi ", "檢查":"Preveri ", "可用":"Na voljo ", "靜態":"Statično ",
"版本":"Različica ", "是":"", "剩餘":"Preostalo ", "遠控":"Oddaljeno ", " ":" "},
"custom_language_switch": {},
"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"
}
}
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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","蹤":"踪","與":"与","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 ","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":"",
"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":"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 ",
"竄改":"Tamper ","第三方":"Other ","與":"With "," ":" "}}
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file_types = [
".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"]
+1 -1
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@@ -2,7 +2,7 @@ import pyinstaller_versionfile
pyinstaller_versionfile.create_versionfile(
output_file="versionfile.txt",
version='3.2.8',
version='3.4.3',
company_name="PYAS Security",
file_description="Python Antivirus Software",
internal_name="PYAS",
+166
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#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 THREAD_TERMINATE
#define THREAD_TERMINATE (0x0001)
#endif
#ifndef THREAD_SUSPEND_RESUME
#define THREAD_SUSPEND_RESUME (0x0002)
#endif
#ifndef THREAD_SET_CONTEXT
#define THREAD_SET_CONTEXT (0x0010)
#endif
#ifndef THREAD_SET_INFORMATION
#define THREAD_SET_INFORMATION (0x0020)
#endif
#ifndef THREAD_SET_THREAD_TOKEN
#define THREAD_SET_THREAD_TOKEN (0x0080)
#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;
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 IsTargetProtected(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);
}
+172
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#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)) {
return STATUS_FLT_DO_NOT_DETACH;
}
if (GlobalData.ServerPort) {
FltCloseCommunicationPort(GlobalData.ServerPort);
GlobalData.ServerPort = NULL;
}
if (GlobalData.FilterHandle) {
FltUnregisterFilter(GlobalData.FilterHandle);
GlobalData.FilterHandle = NULL;
}
PsRemoveLoadImageNotifyRoutine(ImageLoadNotify);
UninitializeRegistryProtection();
UninitializeProcessProtection();
ExWaitForRundownProtectionRelease(&GlobalData.PortRundown);
UnloadRules();
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;
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);
status = FltRegisterFilter(DriverObject, &FilterRegistration, &GlobalData.FilterHandle);
if (!NT_SUCCESS(status)) {
UnloadRules();
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)) {
if (GlobalData.FilterHandle) {
FltUnregisterFilter(GlobalData.FilterHandle);
GlobalData.FilterHandle = NULL;
}
UnloadRules();
return status;
}
InitializeProcessProtection();
InitializeRegistryProtection(DriverObject);
PsSetLoadImageNotifyRoutine(ImageLoadNotify);
status = FltStartFiltering(GlobalData.FilterHandle);
if (!NT_SUCCESS(status)) {
PsRemoveLoadImageNotifyRoutine(ImageLoadNotify);
UninitializeRegistryProtection();
UninitializeProcessProtection();
if (GlobalData.ServerPort) {
FltCloseCommunicationPort(GlobalData.ServerPort);
GlobalData.ServerPort = NULL;
}
if (GlobalData.FilterHandle) {
FltUnregisterFilter(GlobalData.FilterHandle);
GlobalData.FilterHandle = NULL;
}
UnloadRules();
}
return status;
}
+52
View File
@@ -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"
+35
View File
@@ -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
+128
View File
@@ -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>
+33
View File
@@ -0,0 +1,33 @@
#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)) {
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;
}
+283
View File
@@ -0,0 +1,283 @@
#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) {
FltReleaseFileNameInformation(nameInfo);
return FLT_PREOP_SUCCESS_NO_CALLBACK;
}
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) {
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)) {
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)) {
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;
}
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#include "DriverCommon.h"
static PVOID ObRegistrationHandle = NULL;
static OB_CALLBACK_REGISTRATION ObRegistration;
static OB_OPERATION_REGISTRATION ObCallbacks[2];
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() != PASSIVE_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;
if (IsTargetProtected(TargetPid)) {
BOOLEAN bIsTrusted = IsProcessTrusted(SourcePid);
if (bIsTrusted) {
if (IsBlacklistedAdminTool(SourcePid)) {
bIsTrusted = FALSE;
}
}
if (bIsTrusted) 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;
}
static OB_PREOP_CALLBACK_STATUS PreOpenThread(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION OperationInformation) {
UNREFERENCED_PARAMETER(RegistrationContext);
if (OperationInformation->KernelHandle) return OB_PREOP_SUCCESS;
PETHREAD TargetThread = (PETHREAD)OperationInformation->Object;
if (!TargetThread) return OB_PREOP_SUCCESS;
PEPROCESS TargetProcess = IoThreadToProcess(TargetThread);
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;
if (IsTargetProtected(TargetPid)) {
BOOLEAN bIsTrusted = IsProcessTrusted(SourcePid);
if (bIsTrusted) {
if (IsBlacklistedAdminTool(SourcePid)) {
bIsTrusted = FALSE;
}
}
if (bIsTrusted) return OB_PREOP_SUCCESS;
ACCESS_MASK DenyMask = THREAD_TERMINATE |
THREAD_SUSPEND_RESUME |
THREAD_SET_CONTEXT |
THREAD_SET_INFORMATION |
THREAD_SET_THREAD_TOKEN;
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;
ObCallbacks[1].ObjectType = PsThreadType;
ObCallbacks[1].Operations = OB_OPERATION_HANDLE_CREATE | OB_OPERATION_HANDLE_DUPLICATE;
ObCallbacks[1].PreOperation = PreOpenThread;
ObCallbacks[1].PostOperation = NULL;
ObRegistration.Version = OB_FLT_REGISTRATION_VERSION;
ObRegistration.OperationRegistrationCount = 2;
ObRegistration.Altitude = Altitude;
ObRegistration.RegistrationContext = NULL;
ObRegistration.OperationRegistration = ObCallbacks;
return ObRegisterCallbacks(&ObRegistration, &ObRegistrationHandle);
}
VOID UninitializeProcessProtection() {
if (ObRegistrationHandle) {
ObUnRegisterCallbacks(ObRegistrationHandle);
ObRegistrationHandle = NULL;
}
}
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#include "DriverCommon.h"
static 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)) {
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)) {
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();
if (!IsProcessTrusted(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)) {
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;
}
}
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#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 {
PEPROCESS Process;
ULONG ActivityCount;
LARGE_INTEGER LastActivityTime;
} RANSOM_TRACKER, * PRANSOM_TRACKER;
typedef struct _TRUST_CACHE_ENTRY {
PEPROCESS Process;
BOOLEAN IsTrusted;
LARGE_INTEGER CacheTime;
} TRUST_CACHE_ENTRY, * PTRUST_CACHE_ENTRY;
static RANSOM_TRACKER RansomTrackers[MAX_TRACKERS];
static TRUST_CACHE_ENTRY TrustCache[TRUST_CACHE_SIZE];
static FAST_MUTEX TrustCacheLock;
static BOOLEAN g_CacheInitialized = FALSE;
static ERESOURCE RuleLock;
static PRULE_NODE g_RegistryBlockList = NULL;
static PRULE_NODE g_RegistryTrustedList = NULL;
static PRULE_NODE g_ProcessTrustedPaths = NULL;
static PRULE_NODE g_ProcessExploitable = NULL;
static PRULE_NODE g_FileProtectedPaths = NULL;
static PRULE_NODE g_FileExceptionPaths = NULL;
static 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"*\\Windows\\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() != PASSIVE_LEVEL) return FALSE;
PEPROCESS Process = NULL;
if (!NT_SUCCESS(PsLookupProcessByProcessId(ProcessId, &Process))) {
return FALSE;
}
if (g_CacheInitialized) {
ExAcquireFastMutex(&TrustCacheLock);
ULONG Hash = ((ULONG)(ULONG_PTR)ProcessId) & (TRUST_CACHE_SIZE - 1);
if (TrustCache[Hash].Process == Process) {
LARGE_INTEGER Now;
KeQuerySystemTime(&Now);
if ((Now.QuadPart - TrustCache[Hash].CacheTime.QuadPart) < (TRUST_CACHE_TTL_SEC * 10000000LL)) {
BOOLEAN cachedResult = TrustCache[Hash].IsTrusted;
ExReleaseFastMutex(&TrustCacheLock);
ObDereferenceObject(Process);
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].Process = Process;
TrustCache[Hash].IsTrusted = isTrusted;
KeQuerySystemTime(&TrustCache[Hash].CacheTime);
ExReleaseFastMutex(&TrustCacheLock);
}
if (imageFileName) ExFreePool(imageFileName);
ObDereferenceObject(Process);
return isTrusted;
}
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() != PASSIVE_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;
}
PEPROCESS Process = NULL;
if (!NT_SUCCESS(PsLookupProcessByProcessId(ProcessId, &Process))) {
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->Process == Process) {
Tracker = Current;
break;
}
BOOLEAN IsExpired = FALSE;
if (Current->Process != NULL) {
LARGE_INTEGER Diff;
Diff.QuadPart = Now.QuadPart - Current->LastActivityTime.QuadPart;
if (Diff.QuadPart > (RANSOM_TIME_WINDOW_MS * 10000LL)) {
IsExpired = TRUE;
}
}
if ((Current->Process == NULL || IsExpired) && !CandidateSlot) {
CandidateSlot = Current;
}
}
if (!Tracker) {
if (CandidateSlot) {
Tracker = CandidateSlot;
}
else {
Tracker = LruSlot;
}
Tracker->Process = Process;
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);
ObDereferenceObject(Process);
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;
}
+219
View File
@@ -0,0 +1,219 @@
{
"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\\*",
"*\\mouclass",
"*\\kbdclass",
"*\\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", ".xml", ".sql", ".db"
]
}
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# PYAS (Python Antivirus Software)
# PYAS
![PYAS](https://github.com/user-attachments/assets/39c273b9-c467-480a-a8b3-31714a6df3ef)
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
<img width="2245" height="1477" alt="PYAS_UI" src="https://github.com/user-attachments/assets/87d40261-7655-49ad-a19c-1ffcca60584f" />
## Requirements
Python 3.10 is recommended. Other Python versions may require different pip commands.
```
pip install pefile==2023.2.7
pip install pyperclip==1.8.2
pip install PyQt5==5.15.9
pip install yara-python==4.5.1
pip install numpy==2.1.1
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
pip install pillow==10.4.0
```
## File Information
The following lists the storage locations of all relevant code and other related documents.
```
PYAS/
├── Driver/ (Protect driver and Microsoft runtime)
│ └── ...
├── 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
│
├── Engine/ (Deep learn model and Yara database)
│ └── ...
│
├── Exten/ (Exten tools and System repair tools)
│ └── ...
│
├── PYAS.py (Main PYAS program with qtui interaction and protect function)
├── PYAS_Engine.py (Deep learning predict and yara rules file scanner)
├── PYAS_Suffixes.py (including scan file suffixes and common suffixes)
├── PYAS_Interface.py (Qt designer ui, must be matched with the main program)
├── PYAS_Resource.py (status pictures, icon packages, and button icons)
├── PYAS_Language.py (Traditional Chinese, Simplified Chinese and English)
├── PYAS_Version.py (file information, version information, original name)
└── ...
├── 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
```
## Official Website
## Architecture diagram
https://pyantivirus.wixsite.com/pyas
PYAS Security antivirus software general architecture diagram.
https://github.com/87owo/PYAS
```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
## Microsoft Runtime
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
https://github.com/87owo/Microsoft_Runtime/releases
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
## PYAS Driver
GUI --> ConfigMgr
GUI --> DetectionEngine
GUI --> UserMonitors
UserMonitors --> DetectionEngine
end
https://github.com/0sha0/PYAS_Protection
subgraph StorageLayer [File System / Configuration]
direction LR
JSONRules[JSON Rules Files]:::storage
ConfigJSON[Config.json]:::storage
Quarantine[Quarantine Folder]:::storage
end
## MIT license
subgraph KernelSpace [Kernel Mode Driver - PYAS_Driver.sys]
direction TB
DriverEntry[DriverEntry / Initialization]:::kernelMode
GlobalData[Global Data & State]:::kernelMode
CommServer[Communication Port Server]:::kernelMode
https://github.com/87owo/PYAS/blob/main/LICENSE.md
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
```
## 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, mtkiao129, 0sha0, AV-T Team of LisectGroup
Packaged Download: https://github.com/87owo/PYAS/releases
Copyright© 2020~2025 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
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# PYAS (Python 杀毒软件)
![PYAS](https://github.com/user-attachments/assets/39c273b9-c467-480a-a8b3-31714a6df3ef)
## 安装要求
```
pip install pefile==2023.2.7
pip install pyperclip==1.8.2
pip install PyQt5==5.15.9
pip install yara-python==4.5.1
pip install numpy==2.1.1
pip install onnxruntime==1.18.1
pip install pillow==10.4.0
```
## 文件信息
```
PYAS/
├── Driver/ (驱动保护和微软运行库)
│ └── ...
│
├── Engine/ (深度学习和规则数据库)
│ └── ...
│
├── Exten/ (扩展功能与系统修复工具)
│ └── ...
│
├── PYAS.py (PYAS主程序含界面交互与保护功能)
├── PYAS_Engine.py (深度学习预测和规则扫描器)
├── PYAS_Suffixes.py (获取扫描或事件文件的后缀)
├── PYAS_Interface.py (搭配主程序的Qt设计介面)
├── PYAS_Resource.py (状态图片和图标和按钮图片)
├── PYAS_Language.py (繁体中文和简体中文和英文翻译)
├── PYAS_Version.py (版本和讯息名称和打包文件名)
└── ...
```
## 官方网页
https://pyantivirus.wixsite.com/pyas
https://github.com/87owo/PYAS
## 微软运行库
https://github.com/87owo/Microsoft_Runtime/releases
## 驱动程序
https://github.com/0sha0/PYAS_Protection
## 开源协议
https://github.com/87owo/PYAS/blob/main/LICENSE.md
## 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
Wix, mtkiao129, 0sha0, AV-T Team of LisectGroup
Copyright© 2020~2025 PYAS Security By 87owo
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# PYAS (Python 防毒軟體)
![PYAS](https://github.com/user-attachments/assets/39c273b9-c467-480a-a8b3-31714a6df3ef)
## 安裝要求
```
pip install pefile==2023.2.7
pip install pyperclip==1.8.2
pip install PyQt5==5.15.9
pip install yara-python==4.5.1
pip install numpy==2.1.1
pip install onnxruntime==1.18.1
pip install pillow==10.4.0
```
## 檔案資訊
```
PYAS/
├── Driver/ (驅動防護和微軟運行庫)
│ └── ...
│
├── Engine/ (深度學習和規則數據庫)
│ └── ...
│
├── Exten/ (擴展功能與系統修復工具)
│ └── ...
│
├── PYAS.py (PYAS主程序含介面交互與防護功能)
├── PYAS_Engine.py (深度學習預測和規則掃描器)
├── PYAS_Suffixes.py (獲取掃描或事件檔案的副檔名)
├── PYAS_Interface.py (搭配主程序的Qt設計介面)
├── PYAS_Resource.py (狀態圖片圖標和按鈕圖片)
├── PYAS_Language.py (繁體中文和簡體中文和英文翻譯)
├── PYAS_Version.py (檔案版本和訊息名稱和打包檔名)
└── ...
```
## 官方網頁
https://pyantivirus.wixsite.com/pyas
https://github.com/87owo/PYAS
## 微軟運行庫
https://github.com/87owo/Microsoft_Runtime/releases
## 驅動程式
https://github.com/0sha0/PYAS_Protection
## 開源協議
https://github.com/87owo/PYAS/blob/main/LICENSE.md
## 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, mtkiao129, 0sha0, AV-T Team of LisectGroup
Copyright© 2020~2025 PYAS Security By 87owo