This is a writeup for the Endless Christmas challenge, md5 hash 866c92038d6e9fc47db4424f71f6167a (download binary). It appeared in the X-MAS CTF, and it’s a Reverse challenge. Using afl with Radare we…
Tag: binary reverse
Brute force a crackme file password with Python
I was to reverse a file for a challenge, MD5 hash 85c9feed0cb0f240a62b1e50d1ab0419. The challenge was called mio cuggino, purposefully misspelled with two g letters. It asks for three numbers. The…
Getting started with Binary reverse engineering: an example
For a challenge in a university security class, I was given this file to crack: reverse1. I started with reverse0, which was considerably easier than the second one. In this post I…
