In 2016, I participated in NYU's Cyber Security Awareness Week Capture the Flag event.
The following are notes for problems whose solutions are known to me:
- Notesy 2.0 - for 1 point, enter the flag given in the problem description.
- Coinslot - for 25 points, write a small script solving the change-making problem.
- Sleeping Guard - for 50 points, break the encryption on a PNG file.
- Regexpire - for 100 points, write a small script that can create strings that match a given regex.
- mfw - for 125 points, find and exploit a vulnerability in a PHP website.
- Fuzyll - for 200 points, follow a scavenger-hunt series style of questions regarding a one Fuzyll.