WeChatMsg/app/decrypt/get_wx_info.py

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# -*- coding: utf-8 -*-#
# -------------------------------------------------------------------------------
# Name: getwxinfo.py
# Description:
# Author: xaoyaoo
# Date: 2023/08/21
# -------------------------------------------------------------------------------
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import hmac
import hashlib
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import ctypes
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import os
import re
import winreg
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import pymem
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from win32com.client import Dispatch
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import psutil
import sys
from typing import List, Union
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ReadProcessMemory = ctypes.windll.kernel32.ReadProcessMemory
void_p = ctypes.c_void_p
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# 获取exe文件的位数
def get_exe_bit(file_path):
"""
获取 PE 文件的位数: 32 位或 64
:param file_path: PE 文件路径(可执行文件)
:return: 如果遇到错误则返回 64
"""
try:
with open(file_path, 'rb') as f:
dos_header = f.read(2)
if dos_header != b'MZ':
print('get exe bit error: Invalid PE file')
return 64
# Seek to the offset of the PE signature
f.seek(60)
pe_offset_bytes = f.read(4)
pe_offset = int.from_bytes(pe_offset_bytes, byteorder='little')
# Seek to the Machine field in the PE header
f.seek(pe_offset + 4)
machine_bytes = f.read(2)
machine = int.from_bytes(machine_bytes, byteorder='little')
if machine == 0x14c:
return 32
elif machine == 0x8664:
return 64
else:
print('get exe bit error: Unknown architecture: %s' % hex(machine))
return 64
except IOError:
print('get exe bit error: File not found or cannot be opened')
return 64
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# 读取内存中的字符串(非key部分)
def get_info_without_key(h_process, address, n_size=64):
array = ctypes.create_string_buffer(n_size)
if ReadProcessMemory(h_process, void_p(address), array, n_size, 0) == 0: return "None"
array = bytes(array).split(b"\x00")[0] if b"\x00" in array else bytes(array)
text = array.decode('utf-8', errors='ignore')
return text.strip() if text.strip() != "" else "None"
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def pattern_scan_all(handle, pattern, *, return_multiple=False, find_num=100):
next_region = 0
found = []
user_space_limit = 0x7FFFFFFF0000 if sys.maxsize > 2 ** 32 else 0x7fff0000
while next_region < user_space_limit:
try:
next_region, page_found = pymem.pattern.scan_pattern_page(
handle,
next_region,
pattern,
return_multiple=return_multiple
)
except Exception as e:
print(e)
break
if not return_multiple and page_found:
return page_found
if page_found:
found += page_found
if len(found) > find_num:
break
return found
def get_info_wxid(h_process):
find_num = 100
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addrs = pattern_scan_all(h_process, br'\\Msg\\FTSContact', return_multiple=True, find_num=find_num)
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wxids = []
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for addr in addrs:
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array = ctypes.create_string_buffer(80)
if ReadProcessMemory(h_process, void_p(addr - 30), array, 80, 0) == 0: return "None"
array = bytes(array) # .split(b"\\")[0]
array = array.split(b"\\Msg")[0]
array = array.split(b"\\")[-1]
wxids.append(array.decode('utf-8', errors='ignore'))
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wxid = max(wxids, key=wxids.count) if wxids else "None"
return wxid
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def get_info_filePath(wxid="all"):
if not wxid:
return "None"
w_dir = "MyDocument:"
is_w_dir = False
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try:
key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r"Software\Tencent\WeChat", 0, winreg.KEY_READ)
value, _ = winreg.QueryValueEx(key, "FileSavePath")
winreg.CloseKey(key)
w_dir = value
is_w_dir = True
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except Exception as e:
w_dir = "MyDocument:"
if not is_w_dir:
try:
user_profile = os.environ.get("USERPROFILE")
path_3ebffe94 = os.path.join(user_profile, "AppData", "Roaming", "Tencent", "WeChat", "All Users", "config",
"3ebffe94.ini")
with open(path_3ebffe94, "r", encoding="utf-8") as f:
w_dir = f.read()
is_w_dir = True
except Exception as e:
w_dir = "MyDocument:"
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if w_dir == "MyDocument:":
try:
# 打开注册表路径
key = winreg.OpenKey(winreg.HKEY_CURRENT_USER,
r"Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders")
documents_path = winreg.QueryValueEx(key, "Personal")[0] # 读取文档实际目录路径
winreg.CloseKey(key) # 关闭注册表
documents_paths = os.path.split(documents_path)
if "%" in documents_paths[0]:
w_dir = os.environ.get(documents_paths[0].replace("%", ""))
w_dir = os.path.join(w_dir, os.path.join(*documents_paths[1:]))
# print(1, w_dir)
else:
w_dir = documents_path
except Exception as e:
profile = os.environ.get("USERPROFILE")
w_dir = os.path.join(profile, "Documents")
msg_dir = os.path.join(w_dir, "WeChat Files")
if wxid == "all" and os.path.exists(msg_dir):
return msg_dir
filePath = os.path.join(msg_dir, wxid)
return filePath if os.path.exists(filePath) else "None"
def get_key(db_path, addr_len):
def read_key_bytes(h_process, address, address_len=8):
array = ctypes.create_string_buffer(address_len)
if ReadProcessMemory(h_process, void_p(address), array, address_len, 0) == 0: return "None"
address = int.from_bytes(array, byteorder='little') # 逆序转换为int地址key地址
key = ctypes.create_string_buffer(32)
if ReadProcessMemory(h_process, void_p(address), key, 32, 0) == 0: return "None"
key_bytes = bytes(key)
return key_bytes
def verify_key(key, wx_db_path):
if wx_db_path == "None":
return True
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KEY_SIZE = 32
DEFAULT_PAGESIZE = 4096
DEFAULT_ITER = 64000
with open(wx_db_path, "rb") as file:
blist = file.read(5000)
salt = blist[:16]
byteKey = hashlib.pbkdf2_hmac("sha1", key, salt, DEFAULT_ITER, KEY_SIZE)
first = blist[16:DEFAULT_PAGESIZE]
mac_salt = bytes([(salt[i] ^ 58) for i in range(16)])
mac_key = hashlib.pbkdf2_hmac("sha1", byteKey, mac_salt, 2, KEY_SIZE)
hash_mac = hmac.new(mac_key, first[:-32], hashlib.sha1)
hash_mac.update(b'\x01\x00\x00\x00')
if hash_mac.digest() != first[-32:-12]:
return False
return True
phone_type1 = "iphone\x00"
phone_type2 = "android\x00"
phone_type3 = "ipad\x00"
pm = pymem.Pymem("WeChat.exe")
module_name = "WeChatWin.dll"
MicroMsg_path = os.path.join(db_path, "MSG", "MicroMsg.db")
type1_addrs = pm.pattern_scan_module(phone_type1.encode(), module_name, return_multiple=True)
type2_addrs = pm.pattern_scan_module(phone_type2.encode(), module_name, return_multiple=True)
type3_addrs = pm.pattern_scan_module(phone_type3.encode(), module_name, return_multiple=True)
type_addrs = type1_addrs if len(type1_addrs) >= 2 else type2_addrs if len(type2_addrs) >= 2 else type3_addrs if len(
type3_addrs) >= 2 else "None"
# print(type_addrs)
if type_addrs == "None":
return "None"
for i in type_addrs[::-1]:
for j in range(i, i - 2000, -addr_len):
key_bytes = read_key_bytes(pm.process_handle, j, addr_len)
if key_bytes == "None":
continue
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if db_path != "None" and verify_key(key_bytes, MicroMsg_path):
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return key_bytes.hex()
return "None"
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# 读取微信信息(account,mobile,name,mail,wxid,key)
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def read_info(version_list, is_logging=False):
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wechat_process = []
result = []
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error = ""
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for process in psutil.process_iter(['name', 'exe', 'pid', 'cmdline']):
if process.name() == 'WeChat.exe':
wechat_process.append(process)
if len(wechat_process) == 0:
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error = "[-] WeChat No Run"
if is_logging: print(error)
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return -1
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for process in wechat_process:
tmp_rd = {}
tmp_rd['pid'] = process.pid
tmp_rd['version'] = Dispatch("Scripting.FileSystemObject").GetFileVersion(process.exe())
wechat_base_address = 0
for module in process.memory_maps(grouped=False):
if module.path and 'WeChatWin.dll' in module.path:
wechat_base_address = int(module.addr, 16)
break
if wechat_base_address == 0:
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error = f"[-] WeChat WeChatWin.dll Not Found"
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if is_logging: print(error)
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return -1
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Handle = ctypes.windll.kernel32.OpenProcess(0x1F0FFF, False, process.pid)
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bias_list = version_list.get(tmp_rd['version'], None)
if not isinstance(bias_list, list) or len(bias_list) <= 4:
error = f"[-] WeChat Current Version Is Not Supported(maybe not get account,mobile,name,mail)"
if is_logging: print(error)
tmp_rd['account'] = "None"
tmp_rd['mobile'] = "None"
tmp_rd['name'] = "None"
tmp_rd['mail'] = "None"
return -2
else:
name_baseaddr = wechat_base_address + bias_list[0]
account__baseaddr = wechat_base_address + bias_list[1]
mobile_baseaddr = wechat_base_address + bias_list[2]
mail_baseaddr = wechat_base_address + bias_list[3]
# key_baseaddr = wechat_base_address + bias_list[4]
tmp_rd['account'] = get_info_without_key(Handle, account__baseaddr, 32) if bias_list[1] != 0 else "None"
tmp_rd['mobile'] = get_info_without_key(Handle, mobile_baseaddr, 64) if bias_list[2] != 0 else "None"
tmp_rd['name'] = get_info_without_key(Handle, name_baseaddr, 64) if bias_list[0] != 0 else "None"
tmp_rd['mail'] = get_info_without_key(Handle, mail_baseaddr, 64) if bias_list[3] != 0 else "None"
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addrLen = get_exe_bit(process.exe()) // 8
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tmp_rd['wxid'] = get_info_wxid(Handle)
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tmp_rd['filePath'] = get_info_filePath(tmp_rd['wxid']) if tmp_rd['wxid'] != "None" else "None"
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tmp_rd['key'] = get_key(tmp_rd['filePath'], addrLen)
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result.append(tmp_rd)
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if is_logging:
print("=" * 32)
if isinstance(result, str): # 输出报错
print(result)
else: # 输出结果
for i, rlt in enumerate(result):
for k, v in rlt.items():
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print(f"[+] {k:>8}: {v}")
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print(end="-" * 32 + "\n" if i != len(result) - 1 else "")
print("=" * 32)
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return result
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import os
import sys
def resource_path(relative_path):
""" Get absolute path to resource, works for dev and for PyInstaller """
base_path = getattr(sys, '_MEIPASS', os.path.dirname(os.path.abspath(__file__)))
return os.path.join(base_path, relative_path)
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def get_info(VERSION_LIST):
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result = read_info(VERSION_LIST, True) # 读取微信信息
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return result
if __name__ == "__main__":
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import argparse
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parser = argparse.ArgumentParser()
parser.add_argument("--vlfile", type=str, help="手机号", required=False)
parser.add_argument("--vldict", type=str, help="微信昵称", required=False)
args = parser.parse_args()
# 读取微信各版本偏移
if args.vlfile:
VERSION_LIST_PATH = args.vlfile
with open(VERSION_LIST_PATH, "r", encoding="utf-8") as f:
VERSION_LIST = json.load(f)
if args.vldict:
VERSION_LIST = json.loads(args.vldict)
if not args.vlfile and not args.vldict:
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VERSION_LIST_PATH = "../version_list.json"
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with open(VERSION_LIST_PATH, "r", encoding="utf-8") as f:
VERSION_LIST = json.load(f)
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result = read_info(VERSION_LIST, True) # 读取微信信息