404 CTF

Write-ups from some of the most interesting challenges I've solve during 2024's edition of the 404 CTF.

Jean Pile

Bypassing ASLR using a ret2libc.

Revers(ibl)e Engineering [1/2]

Scripting GDB using Python to brute force a randomly generated encoding algorithm in a few seconds.

Revers(ibl)e Engineering [2/2]

Scripting GDB using Python to brute force a randomly generated encoding algorithm that can only be ran once.