pctf cryptoserv client

client.py

from socket import socket
import struct

def q(word):
    return struct.pack("<I", word)

message = "\x00\x00\x06\x00AAAA"
message += "\x00\x01\x07\x00AAAA"
message += "\x0c\x00\x00\x00AAAA"

plain = "AAAAAAAA"

s = socket()
#s.connect(('127.0.0.1', 4141))
s.connect(('52.4.141.125', 4141))
s.send(q(len(bytecode) / 8))
s.send(q(len(plain)))

s.send("\x00" * 8)

s.send(bytecode)
s.send(plain)

print repr(s.recv(1024))