wot-replay.py

f = open("replay_last_battle.wotreplay", 'rb')
data = f.read()

magic_number, data = data[:4], data[4:]

block_count, data = int.from_bytes(data[:4], byteorder='little'), data[4:]

blocks = []
for block_id in range(block_count):
    block_length, data = int.from_bytes(data[:4], byteorder='little'), data[4:]
    block_data, data = data[:block_length], data[block_length:]
    blocks.append(block_data)


from Crypto.Cipher import Blowfish
from struct import pack

bs = Blowfish.block_size
iv = data[:bs]
ciphertext = data[bs:]
key = 'DE72BEA0DE04BEB1DEFEBEEFDEADBEEF'

cipher = Blowfish.new(key, Blowfish.MODE_CBC, iv)
msg = cipher.decrypt(ciphertext)