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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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 part …

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Cryptography War: Beating Krypton

Continuing to talk about the Wargames, today I'll briefly go through Krypton, the cryptography episode.

The problems are very straightforward and very similar to those from the last CSAW CTF (see my post here).

Disclaimer: if you haven't played WarGames but you are planing to, PLEASE DON'T READY ANY FURTHER …

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Smashing the Stack for Fun or WarGames - Narnia 0-4

One of my mentors, Joel Eriksson, suggested the quintessential WarGames, a collection of Security problems, divided into 14 interesting titles. I have been playing the games since last week and they are awesome! To play the WarGames you SSH to their servers with a login that indicates your current level …

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