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PYAS.py

@@ -3,7 +3,6 @@ import hashlib, pefile, socket, msvcrt
 import requests, pyperclip, win32file
 import win32gui, win32api, win32con
 import xml.etree.ElementTree as xmlet
-from PYAS_Rules import pyasrule_dict
 from PYAS_Function import function_list
 from PYAS_Extension import slist, alist
 from PYAS_Language import translate_dict
@@ -19,7 +18,7 @@ class MainWindow_Controller(QMainWindow):
         self.setAttribute(Qt.WA_TranslucentBackground)
         self.setWindowFlags(Qt.FramelessWindowHint)
         self.pyas = str(sys.argv[0]).replace("\\", "/")
-        self.pyas_version = "2.9.2"
+        self.pyas_version = "2.9.4"
         self.ui = Ui_MainWindow()
         self.ui.setupUi(self)
         self.init_tray_icon()
@@ -532,8 +531,9 @@ class MainWindow_Controller(QMainWindow):
         self.timer.start(2)
 
     def showMinimized(self):
-        self.hide_pyas_ui()
-        self.send_notify(self.trans("PYAS 已最小化到系統托盤圖標"))
+        if self.block_window:
+            self.hide_pyas_ui()
+            self.send_notify(self.trans("PYAS 已最小化到系統托盤圖標"))
 
     def closeEvent(self, event):
         if QMessageBox.warning(self,self.trans("警告"),self.trans("您確定要退出 PYAS 和所有防護嗎?"),QMessageBox.Yes|QMessageBox.No) == 16384:
@@ -835,14 +835,13 @@ class MainWindow_Controller(QMainWindow):
                             fn.append(str(func.name, "utf-8"))
                         except:
                             pass
-            max_vfl = []
             for vfl in function_list:
                 QApplication.processEvents()
-                max_vfl.append(len(set(fn)&set(vfl))/len(set(fn)|set(vfl)))
-            if self.high_sensitivity and max(max_vfl) == 1.0:
-                return True
-            elif "_CorExeMain" not in fn and max(max_vfl) == 1.0:
-                return True
+                similarity = len(set(fn)&set(vfl))/len(set(fn)|set(vfl))
+                if self.high_sensitivity and similarity >= 0.9:
+                    return True
+                elif "_CorExeMain" not in fn and similarity == 1.0:
+                    return True
             return False
         except:
             return False
@@ -948,6 +947,8 @@ class MainWindow_Controller(QMainWindow):
                 for i in Permission:
                     try:
                         win32api.RegDeleteValue(key,i)
+                        self.proc.kill()
+                        self.send_notify(self.trans("惡意行為攔截: ")+self.proc.name().replace("\\", "/"))
                     except:
                         pass
                 win32api.RegCloseKey(key)
@@ -1175,47 +1176,47 @@ class MainWindow_Controller(QMainWindow):
             time.sleep(0.05)
             for p in psutil.process_iter():
                 try:
-                    if p.pid not in existing_processes:
+                    name, file, cmd = p.name(), p.exe().replace("\\", "/"), p.cmdline()
+                    if p.pid not in existing_processes and file not in self.whitelist:
                         existing_processes.add(p.pid)
                         psutil.Process(p.pid).suspend()
-                        name, file, cmd = p.name(), p.exe().replace("\\", "/"), p.cmdline()
-                        if self.protect_proc_scan(name, file, cmd):
+                        if ":/Windows" in file and "powershell" in name:
+                            file = str(cmd[-1].split("'")[-2]).replace("\\", "/")
+                        elif ":/Windows" in file and "cmd.exe" in name:
+                            file = str(" ".join(cmd[2:])).replace("\\", "/")
+                        elif ":/Windows" in file and "msiexec.exe" in name:
+                            file = str(cmd[-1]).replace("\\", "/")
+                        elif ":/Windows" in file and "cscript.exe" in name:
+                            file = str(cmd[-1]).replace("\\", "/")
+                        elif ":/Windows" in file and "wscript.exe" in name:
+                            file = str(cmd[-1]).replace("\\", "/")
+                        if ":/Windows" in file or ":/Program" in file:
+                            if self.sign_scan(file) and self.api_scan(file):
+                                p.kill()
+                                self.send_notify(self.trans("惡意軟體攔截: ")+file)
+                        elif self.api_scan(file) or self.pe_scan(file):
                             p.kill()
                             self.send_notify(self.trans("惡意軟體攔截: ")+file)
-                        elif ":/Windows" not in file and self.sign_scan(file):
+                        elif file != self.pyas and self.sign_scan(file):
                             self.proc = p
                         psutil.Process(p.pid).resume()
                         gc.collect()
                 except:
                     pass
 
-    def protect_proc_scan(self, name, file, cmd):
-        try:
-            if file != self.pyas and file not in self.whitelist:
-                if "powershell" in name:
-                    file = str(cmd[-1].split("'")[-2])
-                elif "cmd.exe" in name:
-                    file = str(" ".join(cmd[2:]))
-                elif ":/Windows" in file:
-                    file = str(cmd[-1])
-                elif ":/Program" in file:
-                    file = str(cmd[-1])
-                return self.api_scan(file) or self.pe_scan(file)
-            return False
-        except:
-            pass
-
     def protect_file_thread(self):
         hDir = win32file.CreateFile("C:/Users/",win32con.GENERIC_READ,win32con.FILE_SHARE_READ|win32con.FILE_SHARE_WRITE|win32con.FILE_SHARE_DELETE,None,win32con.OPEN_EXISTING,win32con.FILE_FLAG_BACKUP_SEMANTICS,None)
         self.ransom_block = False
         while self.file_protect:
-            for action, file in win32file.ReadDirectoryChangesW(hDir,1024,True,win32con.FILE_NOTIFY_CHANGE_FILE_NAME|win32con.FILE_NOTIFY_CHANGE_DIR_NAME|win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES|win32con.FILE_NOTIFY_CHANGE_SIZE|win32con.FILE_NOTIFY_CHANGE_LAST_WRITE|win32con.FILE_NOTIFY_CHANGE_SECURITY,None,None):
+            for action, file in win32file.ReadDirectoryChangesW(hDir,1048576,True,win32con.FILE_NOTIFY_CHANGE_FILE_NAME|win32con.FILE_NOTIFY_CHANGE_DIR_NAME|win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES|win32con.FILE_NOTIFY_CHANGE_SIZE|win32con.FILE_NOTIFY_CHANGE_LAST_WRITE|win32con.FILE_NOTIFY_CHANGE_SECURITY,None,None):
                 try:
-                    if action == 2 and str(f".{file.split('.')[-1]}").lower() in alist:
-                        if self.ransom_block and "AppData" not in file:
+                    full_path = str(f"C:/Users/{file}").replace("\\", "/")
+                    file_type = str(f".{full_path.split('.')[-1]}").lower()
+                    if action == 2 and "/AppData/" not in full_path and file_type in alist:
+                        if self.ransom_block:
                             self.proc.kill()
                             self.ransom_block = False
-                            self.send_notify(self.trans("勒索軟體攔截: ")+self.proc.name())
+                            self.send_notify(self.trans("勒索軟體攔截: ")+self.proc.exe().replace("\\", "/"))
                         self.ransom_block = True
                 except:
                     pass
@@ -1227,12 +1228,12 @@ class MainWindow_Controller(QMainWindow):
                 with open(r"\\.\PhysicalDrive0", "r+b") as f:
                     if self.mbr_value[510:512] != b'\x55\xAA':
                         self.proc.kill()
-                        self.send_notify(self.trans("惡意行為攔截: ")+self.proc.name())
+                        self.send_notify(self.trans("惡意行為攔截: ")+self.proc.exe().replace("\\", "/"))
                     elif f.read(512) != self.mbr_value:
                         f.seek(0)
                         f.write(self.mbr_value)
                         self.proc.kill()
-                        self.send_notify(self.trans("惡意行為攔截: ")+self.proc.name())
+                        self.send_notify(self.trans("惡意行為攔截: ")+self.proc.exe().replace("\\", "/"))
             except:
                 pass
 
@@ -1254,7 +1255,7 @@ class MainWindow_Controller(QMainWindow):
                 for conn in self.proc.connections():
                     if socket.gethostbyname(socket.gethostname()) == conn.laddr.ip:
                         self.proc.kill()
-                        self.send_notify(self.trans("網路通訊攔截: ")+self.proc.name())
+                        self.send_notify(self.trans("網路通訊攔截: ")+self.proc.exe().replace("\\", "/"))
             except:
                 pass
 

PYAS_Version.py

@@ -1,7 +1,7 @@
 import pyinstaller_versionfile
 pyinstaller_versionfile.create_versionfile(
 output_file="versionfile.txt",
-version='2.9.2',
+version='2.9.4',
 company_name="PYAS Security",
 file_description="Python Antivirus Software",
 internal_name="PYAS",

README.md

@@ -14,9 +14,9 @@ Windows 8.1, 10, 11 (64-bit), Ram 1GB, Rom 1GB or higher
 psutil==5.9.5, pefile==2023.2.7, requests==2.31.0, pyperclip==1.8.2, pywin32==306, PyQt5==5.15.9
 
 ## Import Module
-os, gc, sys, time, json, psutil, hashlib, pefile, socket, msvcrt, requests, pyperclip, win32file, win32gui, win32api, win32con, xml, PYAS_Scripts, PYAS_Function, PYAS_Extension, PYAS_Language, PYAS_Interface, threading, PyQt5
+os, gc, sys, time, json, psutil, hashlib, pefile, socket, msvcrt, requests, pyperclip, win32file, win32gui, win32api, win32con, xml, PYAS_Function, PYAS_Function_Safe, PYAS_Extension, PYAS_Language, PYAS_Interface, threading, PyQt5
 
 ## Special Thanks
-360, Wix, VirusShare, mtkiao129, LenStevens
+360, Wix, VirusShare, mtkiao129, LenStevens, AV-T Team of LisectGroup
 
 Copyright© 2020~2023 PYAS Security By 87owo