218 lines
9.2 KiB
Python
218 lines
9.2 KiB
Python
# -*- coding: utf-8 -*-#
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# -------------------------------------------------------------------------------
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# Name: get_base_addr.py
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# Description:
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# Author: xaoyaoo
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# Date: 2023/08/22
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# -------------------------------------------------------------------------------
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import ctypes
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import json
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import os
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import re
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import sys
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from ctypes import wintypes
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import psutil
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import pymem
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from .utils import get_exe_version, get_exe_bit, verify_key
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from .utils import get_process_list, get_memory_maps, get_process_exe_path, get_file_version_info
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from .utils import search_memory
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ReadProcessMemory = ctypes.windll.kernel32.ReadProcessMemory if sys.platform == "win32" else None
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void_p = ctypes.c_void_p
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# 定义常量
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PROCESS_QUERY_INFORMATION = 0x0400
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PROCESS_VM_READ = 0x0010
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kernel32 = ctypes.WinDLL('kernel32', use_last_error=True)
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OpenProcess = kernel32.OpenProcess
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OpenProcess.restype = wintypes.HANDLE
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OpenProcess.argtypes = [wintypes.DWORD, wintypes.BOOL, wintypes.DWORD]
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CloseHandle = kernel32.CloseHandle
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CloseHandle.restype = wintypes.BOOL
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CloseHandle.argtypes = [wintypes.HANDLE]
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class BiasAddr:
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def __init__(self, account, mobile, name, key, db_path):
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self.account = account.encode("utf-8")
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self.mobile = mobile.encode("utf-8")
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self.name = name.encode("utf-8")
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self.key = bytes.fromhex(key) if key else b""
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self.db_path = db_path if db_path and os.path.exists(db_path) else ""
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self.process_name = "WeChat.exe"
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self.module_name = "WeChatWin.dll"
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self.pm = None # Pymem 对象
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self.is_WoW64 = None # True: 32位进程运行在64位系统上 False: 64位进程运行在64位系统上
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self.process_handle = None # 进程句柄
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self.pid = None # 进程ID
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self.version = None # 微信版本号
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self.process = None # 进程对象
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self.exe_path = None # 微信路径
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self.address_len = None # 4 if self.bits == 32 else 8 # 4字节或8字节
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self.bits = 64 if sys.maxsize > 2 ** 32 else 32 # 系统：32位或64位
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def get_process_handle(self):
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try:
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self.pm = pymem.Pymem(self.process_name)
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self.pm.check_wow64()
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self.is_WoW64 = self.pm.is_WoW64
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self.process_handle = self.pm.process_handle
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self.pid = self.pm.process_id
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self.process = psutil.Process(self.pid)
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self.exe_path = self.process.exe()
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self.version = get_exe_version(self.exe_path)
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version_nums = list(map(int, self.version.split("."))) # 将版本号拆分为数字列表
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if version_nums[0] <= 3 and version_nums[1] <= 9 and version_nums[2] <= 2:
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self.address_len = 4
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else:
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self.address_len = 8
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return True, ""
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except pymem.exception.ProcessNotFound:
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return False, "[-] WeChat No Run"
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def search_memory_value(self, value: bytes, module_name="WeChatWin.dll"):
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start_adress = 0x7FFFFFFFFFFFFFFF
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end_adress = 0
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memory_maps = get_memory_maps(self.pid)
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for module in memory_maps:
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if module.FileName and module_name in module.FileName:
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s = module.BaseAddress
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e = module.BaseAddress + module.RegionSize
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start_adress = s if s < start_adress else start_adress
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end_adress = e if e > end_adress else end_adress
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hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, False, self.pid)
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ret = search_memory(hProcess, value, max_num=3, start_address=start_adress,
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end_address=end_adress)
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ret = ret[-1] - start_adress if len(ret) > 0 else 0
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# # 创建 Pymem 对象
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# module = pymem.process.module_from_name(self.pm.process_handle, module_name)
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# ret = self.pm.pattern_scan_module(value, module, return_multiple=True)
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# ret = ret[-1] - module.lpBaseOfDll if len(ret) > 0 else 0
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return ret
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def get_key_bias1(self):
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"""
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2024.01.26 wx version：3.9.9.35 失效
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:return:
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"""
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try:
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byteLen = self.address_len # 4 if self.bits == 32 else 8 # 4字节或8字节
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keyLenOffset = 0x8c if self.bits == 32 else 0xd0
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keyWindllOffset = 0x90 if self.bits == 32 else 0xd8
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module = pymem.process.module_from_name(self.process_handle, self.module_name)
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keyBytes = b'-----BEGIN PUBLIC KEY-----\n...'
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publicKeyList = pymem.pattern.pattern_scan_all(self.process_handle, keyBytes, return_multiple=True)
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keyaddrs = []
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for addr in publicKeyList:
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keyBytes = addr.to_bytes(byteLen, byteorder="little", signed=True) # 低位在前
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may_addrs = pymem.pattern.pattern_scan_module(self.process_handle, module, keyBytes,
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return_multiple=True)
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if may_addrs != 0 and len(may_addrs) > 0:
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for addr in may_addrs:
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keyLen = self.pm.read_uchar(addr - keyLenOffset)
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if keyLen != 32:
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continue
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keyaddrs.append(addr - keyWindllOffset)
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return keyaddrs[-1] - module.lpBaseOfDll if len(keyaddrs) > 0 else 0
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except:
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return 0
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def search_key(self, key: bytes):
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key = re.escape(key) # 转义特殊字符
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key_addr = self.pm.pattern_scan_all(key, return_multiple=False)
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key = key_addr.to_bytes(self.address_len, byteorder='little', signed=True)
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result = self.search_memory_value(key, self.module_name)
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return result
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def get_key_bias2(self, wx_db_path):
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addr_len = get_exe_bit(self.exe_path) // 8
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db_path = wx_db_path
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def read_key_bytes(h_process, address, address_len=8):
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array = ctypes.create_string_buffer(address_len)
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if ReadProcessMemory(h_process, void_p(address), array, address_len, 0) == 0: return "None"
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address = int.from_bytes(array, byteorder='little') # 逆序转换为int地址（key地址）
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key = ctypes.create_string_buffer(32)
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if ReadProcessMemory(h_process, void_p(address), key, 32, 0) == 0: return "None"
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key_bytes = bytes(key)
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return key_bytes
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phone_type1 = "iphone\x00"
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phone_type2 = "android\x00"
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phone_type3 = "ipad\x00"
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pm = pymem.Pymem(self.pid)
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module_name = "WeChatWin.dll"
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MicroMsg_path = os.path.join(db_path, "MSG", "MicroMsg.db")
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type1_addrs = pm.pattern_scan_module(phone_type1.encode(), module_name, return_multiple=True)
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type2_addrs = pm.pattern_scan_module(phone_type2.encode(), module_name, return_multiple=True)
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type3_addrs = pm.pattern_scan_module(phone_type3.encode(), module_name, return_multiple=True)
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type_addrs = []
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if len(type1_addrs) >= 2: type_addrs += type1_addrs
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if len(type2_addrs) >= 2: type_addrs += type2_addrs
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if len(type3_addrs) >= 2: type_addrs += type3_addrs
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if len(type_addrs) == 0: return "None"
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type_addrs.sort() # 从小到大排序
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module = pymem.process.module_from_name(pm.process_handle, module_name)
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for i in type_addrs[::-1]:
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for j in range(i, i - 2000, -addr_len):
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key_bytes = read_key_bytes(pm.process_handle, j, addr_len)
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if key_bytes == "None":
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continue
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if verify_key(key_bytes, MicroMsg_path):
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return j - module.lpBaseOfDll
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return 0
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def run(self, logging_path=False, WX_OFFS_PATH=None):
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if not self.get_process_handle()[0]:
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return None
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mobile_bias = self.search_memory_value(self.mobile, self.module_name)
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name_bias = self.search_memory_value(self.name, self.module_name)
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account_bias = self.search_memory_value(self.account, self.module_name)
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key_bias = 0
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key_bias = self.get_key_bias1() if key_bias <= 0 else key_bias
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key_bias = self.search_key(self.key) if key_bias <= 0 and self.key else key_bias
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key_bias = self.get_key_bias2(self.db_path) if key_bias <= 0 and self.db_path else key_bias
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rdata = {self.version: [name_bias, account_bias, mobile_bias, 0, key_bias]}
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if WX_OFFS_PATH and os.path.exists(WX_OFFS_PATH):
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with open(WX_OFFS_PATH, "r", encoding="utf-8") as f:
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data = json.load(f)
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data.update(rdata)
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with open(WX_OFFS_PATH, "w", encoding="utf-8") as f:
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json.dump(data, f, ensure_ascii=False, indent=4)
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if os.path.exists(logging_path) and isinstance(logging_path, str):
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with open(logging_path, "a", encoding="utf-8") as f:
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f.write("{版本号:昵称,账号,手机号,邮箱,KEY}" + "\n")
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f.write(str(rdata) + "\n")
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elif logging_path:
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print("{版本号:昵称,账号,手机号,邮箱,KEY}")
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print(rdata)
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return rdata
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if __name__ == '__main__':
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account, mobile, name, key, db_path = "test", "test", "test", None, r"test"
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bias_addr = BiasAddr(account, mobile, name, key, db_path)
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bias_addr.run(logging_path=True)
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