(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
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! 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
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.
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
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
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.
Hello. So I just competed in the HITCON competition with UTDCSG. I was personally able to solve only two problems: abyss I and II. I was going to move to abyss III and solve that, but that required re