## 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](https://dctf.def.camp/quals-2017-kalskflsafkl/junior3.zip)
### 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.
$ binwalk -e lock.iso