The First Stripe CTF

Although I did not have the chance of playing in neither of the three Stripe CTFs, I was quite enthralled when I took a look at the problems. I decided to solve them anyway and I am writing this series of writeups.

This post is about the first Stripe CTF ...

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Exploring D-CTF Quals 2014's Exploits

Last weekend I played some of the DEFCAMP CTF Quals. It was pretty intense. For (my own) organizational purposes, I made a list of all the technologies and vulnerabilities found in this CTF, some based on my team's game, some based on the CTF write-ups git repo.

Vulnerabilities

Remote ...

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Exploiting the Web in 20 Lessons (Natas)

Continuing my quest through the Wargames, today I am going to talk about the 20 first levels of Natas, the web exploitation episode.

I divide the exploits in two parts. The first part contains the easy challenges that don't demand much art (and are a bit boring). The second ...

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