mirror of
https://github.com/LC044/WeChatMsg
synced 2024-11-16 06:51:19 +08:00
273 lines
11 KiB
Python
273 lines
11 KiB
Python
# -*- coding: utf-8 -*-#
|
||
# -------------------------------------------------------------------------------
|
||
# Name: get_base_addr.py
|
||
# Description:
|
||
# Author: xaoyaoo
|
||
# Date: 2023/08/22
|
||
# -------------------------------------------------------------------------------
|
||
import argparse
|
||
import ctypes
|
||
import hashlib
|
||
import json
|
||
import multiprocessing
|
||
import os
|
||
import re
|
||
import sys
|
||
|
||
import psutil
|
||
from win32com.client import Dispatch
|
||
from pymem import Pymem
|
||
import pymem
|
||
import hmac
|
||
|
||
ReadProcessMemory = ctypes.windll.kernel32.ReadProcessMemory
|
||
void_p = ctypes.c_void_p
|
||
KEY_SIZE = 32
|
||
DEFAULT_PAGESIZE = 4096
|
||
DEFAULT_ITER = 64000
|
||
|
||
|
||
def validate_key(key, salt, first, mac_salt):
|
||
byteKey = hashlib.pbkdf2_hmac("sha1", key, salt, DEFAULT_ITER, KEY_SIZE)
|
||
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 True
|
||
else:
|
||
return False
|
||
|
||
|
||
def get_exe_bit(file_path):
|
||
"""
|
||
获取 PE 文件的位数: 32 位或 64 位
|
||
: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
|
||
|
||
|
||
def get_exe_version(file_path):
|
||
"""
|
||
获取 PE 文件的版本号
|
||
:param file_path: PE 文件路径(可执行文件)
|
||
:return: 如果遇到错误则返回
|
||
"""
|
||
file_version = Dispatch("Scripting.FileSystemObject").GetFileVersion(file_path)
|
||
return file_version
|
||
|
||
|
||
def find_all(c: bytes, string: bytes, base_addr=0):
|
||
"""
|
||
查找字符串中所有子串的位置
|
||
:param c: 子串 b'123'
|
||
:param string: 字符串 b'123456789123'
|
||
:return:
|
||
"""
|
||
return [base_addr + m.start() for m in re.finditer(re.escape(c), string)]
|
||
|
||
|
||
class BiasAddr:
|
||
def __init__(self, account, mobile, name, key, db_path):
|
||
self.account = account.encode("utf-8")
|
||
self.mobile = mobile.encode("utf-8")
|
||
self.name = name.encode("utf-8")
|
||
self.key = bytes.fromhex(key) if key else b""
|
||
self.db_path = db_path if db_path and os.path.exists(db_path) else ""
|
||
|
||
self.process_name = "WeChat.exe"
|
||
self.module_name = "WeChatWin.dll"
|
||
|
||
self.pm = None # Pymem 对象
|
||
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
|
||
self.process_handle = None # 进程句柄
|
||
self.pid = None # 进程ID
|
||
self.version = None # 微信版本号
|
||
self.process = None # 进程对象
|
||
self.exe_path = None # 微信路径
|
||
self.address_len = None # 4 if self.bits == 32 else 8 # 4字节或8字节
|
||
self.bits = 64 if sys.maxsize > 2 ** 32 else 32 # 系统：32位或64位
|
||
|
||
def get_process_handle(self):
|
||
try:
|
||
self.pm = Pymem(self.process_name)
|
||
self.pm.check_wow64()
|
||
self.is_WoW64 = self.pm.is_WoW64
|
||
self.process_handle = self.pm.process_handle
|
||
self.pid = self.pm.process_id
|
||
self.process = psutil.Process(self.pid)
|
||
self.exe_path = self.process.exe()
|
||
self.version = get_exe_version(self.exe_path)
|
||
|
||
version_nums = list(map(int, self.version.split("."))) # 将版本号拆分为数字列表
|
||
if version_nums[0] <= 3 and version_nums[1] <= 9 and version_nums[2] <= 2:
|
||
self.address_len = 4
|
||
else:
|
||
self.address_len = 8
|
||
return True, ""
|
||
except pymem.exception.ProcessNotFound:
|
||
return False, "[-] WeChat No Run"
|
||
|
||
def search_memory_value(self, value: bytes, module_name="WeChatWin.dll"):
|
||
# 创建 Pymem 对象
|
||
module = pymem.process.module_from_name(self.pm.process_handle, module_name)
|
||
ret = self.pm.pattern_scan_module(value, module, return_multiple=True)
|
||
ret = ret[-1] - module.lpBaseOfDll if len(ret) > 0 else 0
|
||
return ret
|
||
|
||
def get_key_bias1(self):
|
||
try:
|
||
byteLen = self.address_len # 4 if self.bits == 32 else 8 # 4字节或8字节
|
||
|
||
keyLenOffset = 0x8c if self.bits == 32 else 0xd0
|
||
keyWindllOffset = 0x90 if self.bits == 32 else 0xd8
|
||
|
||
module = pymem.process.module_from_name(self.process_handle, self.module_name)
|
||
keyBytes = b'-----BEGIN PUBLIC KEY-----\n...'
|
||
publicKeyList = pymem.pattern.pattern_scan_all(self.process_handle, keyBytes, return_multiple=True)
|
||
|
||
keyaddrs = []
|
||
for addr in publicKeyList:
|
||
keyBytes = addr.to_bytes(byteLen, byteorder="little", signed=True) # 低位在前
|
||
may_addrs = pymem.pattern.pattern_scan_module(self.process_handle, module, keyBytes,
|
||
return_multiple=True)
|
||
if may_addrs != 0 and len(may_addrs) > 0:
|
||
for addr in may_addrs:
|
||
keyLen = self.pm.read_uchar(addr - keyLenOffset)
|
||
if keyLen != 32:
|
||
continue
|
||
keyaddrs.append(addr - keyWindllOffset)
|
||
|
||
return keyaddrs[-1] - module.lpBaseOfDll if len(keyaddrs) > 0 else 0
|
||
except:
|
||
return 0
|
||
|
||
def search_key(self, key: bytes):
|
||
key = re.escape(key) # 转义特殊字符
|
||
key_addr = self.pm.pattern_scan_all(key, return_multiple=False)
|
||
key = key_addr.to_bytes(self.address_len, byteorder='little', signed=True)
|
||
result = self.search_memory_value(key, self.module_name)
|
||
return result
|
||
|
||
def get_key_bias2(self, wx_db_path):
|
||
|
||
addr_len = get_exe_bit(self.exe_path) // 8
|
||
db_path = wx_db_path
|
||
|
||
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):
|
||
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")
|
||
|
||
module = pymem.process.module_from_name(pm.process_handle, module_name)
|
||
|
||
type1_addrs = pm.pattern_scan_module(phone_type1.encode(), module, return_multiple=True)
|
||
type2_addrs = pm.pattern_scan_module(phone_type2.encode(), module, return_multiple=True)
|
||
type3_addrs = pm.pattern_scan_module(phone_type3.encode(), module, 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"
|
||
if type_addrs == "None":
|
||
return 0
|
||
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
|
||
if verify_key(key_bytes, MicroMsg_path):
|
||
return j - module.lpBaseOfDll
|
||
return 0
|
||
|
||
def run(self, logging_path=False, version_list_path=None):
|
||
if not self.get_process_handle()[0]:
|
||
return None
|
||
mobile_bias = self.search_memory_value(self.mobile, self.module_name)
|
||
name_bias = self.search_memory_value(self.name, self.module_name)
|
||
account_bias = self.search_memory_value(self.account, self.module_name)
|
||
key_bias = 0
|
||
key_bias = self.get_key_bias1()
|
||
key_bias = self.search_key(self.key) if key_bias <= 0 and self.key else key_bias
|
||
key_bias = self.get_key_bias2(self.db_path) if key_bias <= 0 and self.db_path else key_bias
|
||
|
||
rdata = {self.version: [name_bias, account_bias, mobile_bias, 0, key_bias]}
|
||
|
||
if version_list_path and os.path.exists(version_list_path):
|
||
with open(version_list_path, "r", encoding="utf-8") as f:
|
||
data = json.load(f)
|
||
data.update(rdata)
|
||
with open(version_list_path, "w", encoding="utf-8") as f:
|
||
json.dump(data, f, ensure_ascii=False, indent=4)
|
||
if os.path.exists(logging_path) and isinstance(logging_path, str):
|
||
with open(logging_path, "a", encoding="utf-8") as f:
|
||
f.write("{版本号:昵称,账号,手机号,邮箱,KEY}" + "\n")
|
||
f.write(str(rdata) + "\n")
|
||
elif logging_path:
|
||
print("{版本号:昵称,账号,手机号,邮箱,KEY}")
|
||
print(rdata)
|
||
return rdata
|
||
|
||
|
||
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"
|