Rating: 3.0

DefCamp CTF Qualification 2017 - HEX Warm Up

Problem

A friend of mine is learning about encryption and now is challenging me to break it! Can you give it a go? Download

Solution

Unzipping returns a python script and an iso file.

The quick and dirty way to solve this task involves running binwalk on the iso file. This returns a text file containing the flag.

<pre><code>$ binwalk -e lock.iso</code></pre>

Original writeup (https://gospelofmark.ch/defcamp-ctf-qualification-2017-hex-warm-up.html).