[https://github.com/0n3m4ns4rmy/ctf-write-ups/blob/master/csaw%20qualifiers%202018/alien_invasion/exploit.py](https://github.com/0n3m4ns4rmy/ctf-write-ups/blob/master/csaw%20qualifiers%202018/alien_invasion/exploit.py)

Original writeup (https://github.com/0n3m4ns4rmy/ctf-write-ups/blob/master/csaw%20qualifiers%202018/alien_invasion/exploit.py).