0ctf19 Finals

Hello so recently I have competed in 0ctf alongside a huge collab group of Perfect Blue, Sice Squad, Galhacktic Trendsenders, and RPISEC on team U+1F914. This was a pretty fun collab, and for the most

How I wrote a "hypervisor" for defcon ctf

(Full writeup coming out soon) Here's a story of how I wrote a very simple "hypervisor" for defcon ctf, or at least emulate a kernel mode code so that I can debug. ProblemI wanted to be

Confidence CTF 2019

WatchmenSo first glance at this binary, I noticed that it is a windows binary (ewww!) so that was kinda annoying. I also took a quick glance at the code, I saw some sort of assembly instructions (did


Last weekend I competed at UTCTF with team dcua (or at least representing dcua, as this was only open to American university students, and up to 5 people). Wow. UT has it's own CTF now! Woot. Now


I competed in TAMUCTF as part of team dcua. Because this was a week long competition, by the end of it, basically many teams tied in terms of score, but we managed to get all the challenges the fastes

Terminals are cool!

Terminals are cool! There's no doubt about that... and even if you are not a seasoned CTF player, if you have really played with any Linux distribution, you would've known the ubiquity of the

HXP CTF Writeups

So I just competed in HXP CTF with team dcua. Our team ended up fourth, which was pretty nice stuff. There were a few fun challenges, including the wreckme2 challenge, which I will discuss later on.

ASISCTF Finals 2018

So I competed ASIS CTF Finals 2018 as part of team dcua. It was a nice experience even though I personally was able to really tackle one problem: Light Fence. (I also helped with other problems, but t

CSAW Finals 2018 Writeups

Hey everyone! I came back from a long 36-hour CSAW ctf finals competition, competing as dcua. So I wrote a quick (long) reflection on what I thought about CSAW ctf. Here are some of the writeups that

CSAW Finals Reflection

Hey everyone! I just came back from a long 36-hour CSAW ctf finals competition, competing as dcua. First of all I would like to explain why this competition is quite a special and unique experience.