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WeChat-Version-Changer.py
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# -*- coding: utf-8 -*-
"""
作者：imoki
仓库：https://github.com/imoki/WeChat-Version-Changer
时间：2024年10月14日
功能：动态修改内存中的微信版本号，需要启动微信并且在未登录时进行修改
备注：代码中“自行修改”部分需自己改动。下次再登录前也需要进行修改。可以将微信加入自启动，并将脚本也加入自启动。
"""
from pymem import Pymem
# 需要修改为的微信版本
versionNew = "3.9.12.15" # 自行修改
# 需要修改的偏移地址
offsetArray = [0x2367624, 0x2385AF0, 0x2385C44, 0x239C98C, 0x239EAFC, 0x23A1604] # 自行修改，用CE可查看
# 版本号按字节分割
# 0x63090A13 -> 3.9.10.19
# 0x63090217 -> 3.9.2.23
# 0x63090c0f-> 3.9.12.15
# 待修改的偏移地址，可用CE获取
# WeChatWin.`cereal::detail::StaticObject<cereal::detail::PolymorphicCasters>::create'::`2'::$TSS0+1678
# WeChatWin.TXBugReport::pfPreBugReport+B3AC
# WeChatWin.TXBugReport::pfPreBugReport+B500
# WeChatWin.dll+239C98C
# WeChatWin.dll+239EAFC
# WeChatWin.dll+23A1604
# 十六进制转版本号
def hexToVersion(versionHex):
# versionHex = versionHex[2:] # 去掉前缀 '0x'
# print(versionHex)
binary_str = bin(int(versionHex, 16))[6:].zfill(32) # 将十六进制转换为二进制字符串，去掉前缀 '0b'和0110 并确保是32位
#print(binary_str)
byte_parts = [binary_str[i:i+8] for i in range(0, len(binary_str), 8)] # 分割二进制字符串为四个字节
decimal_parts = [str(int(byte, 2)) for byte in byte_parts] # 将每个字节转换为十进制，并用 '.' 连接
version = '.'.join(decimal_parts)
return version
# 版本号转十六进制
def versionToHex(version):
version_parts = version.split('.') # 将版本号字符串拆分成各个部分
binary_parts = []
i = 0
for part in version_parts:
if i == 0:
part = int(part) + 0b01100000 # 十六进制最高位为6
part = bin(int(part)).replace('0b', '').zfill(8)
binary_parts.append(part)
i += 1
# binary_parts = [bin(int(part)).replace('0b', '').zfill(8) for part in version_parts]
# print(binary_parts)
binary_str = ''.join(binary_parts)
versionHex = hex(int(binary_str, 2))
# hex_str = hex(int(binary_str, 2))[2:].zfill(8)
return versionHex
def changeVersion(pm: Pymem):
WeChatWindllBase = 0
for m in list(pm.list_modules()):
path = m.filename
if path.endswith("WeChatWin.dll"):
WeChatWindllBase = m.lpBaseOfDll
break
i = 0
for offset in offsetArray:
addr = WeChatWindllBase + offset
if i == 0:
# 获取当前微信版本，只输出一次
versionHexOld = pm.read_uint(addr) # 十进制
versionOld = hexToVersion(hex(versionHexOld))
print("当前版本：", versionOld)
versionNewChange = versionToHex(versionNew)
pm.write_uint(addr, int(versionNewChange, 16)) # 写入新的微信版本
if i == 0:
print("微信版本号已修改为：" + versionNew)
i += 1
def test():
versionNewHex = versionToHex(versionNew)
print(versionNewHex)
print(hexToVersion(versionNewHex))
if __name__ == "__main__":
try:
pm = Pymem("WeChat.exe")
changeVersion(pm)
except Exception as e:
print(f"请先启动微信，再运行此脚本")
# test()