This project contains a patched version of baby_ransomware.exe . The original version is filled with anti-reversing techniques. This project also contains a python script that cracks the encrypted flag. It basically attacks the encrypted flag using TwoFish encryption algorithm and a set of encryption keys. You can download the challenge from the link https://parmg.org/safcsp-ctf/

You can also watch my step by step tutorial on how to solve this challenge on YouTube https://youtu.be/MTCcsq5XlYA