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Impossible Pen Test - DawgCTF

The team at UMBC put on a great CTF over the Easter weekend of 2020. This CTF has a set of problems that you don’t see too often. Many times...

VirSecCon CTF - Eyeless SQL

VirSecCon CTF was the CTF as part of the Virtual Security Conference in April 2020 during the COVID-19 pandemic. This CTF was put on my John Hammond and feature many...

NeverlanCTF 2020 - Web Challenges

Getting started with CTFs can be intimidating but over the past 5 years we have seen a boom in the number of CTF events aimed at the middle school and...

picoCTF - Insp3ct0r with Jupyter

I am experimenting with Juypter notebooks for solving CTF problems. Here is a notebook converted to a blog entry. You can find the original Jupyter Notebook file here

picoCTF 2019 - Shark on the Wire 2 aka 'Mama Shark'

Back to another picoCTF challenge, this time to a challenge that is more in my wheel house. Network traffic forensics… specifically “shark on the wire 2” for 300 points. There...

picoCTF 2019 - Overflow 1 - 'A PWNy For Your Thoughts'

I have never really been that great at binary exploitation challenges. But I am fascinated with return oriented programming attacks and the concept of weird machines. To this end, I...