My Blog

And this is my blog. When I do occasionally get off of my ass to write something, it's typically very technical and related to something that I've been working on. I have a basic tagging system, but haven't been bothered to write any sort of statistical rankings, so here's a few cherry-picked ones: tutorial, writeup, programming, and security.

If you use a feed reader, there's an RSS stream available here.

Posts tagged as reverse-engineering

Decompilation By Hand

Posted on Thu, 1 Mar 2018.

My capture-the-flag team played in the Insomni'hack teaser this year. During the competition, I worked on a single challenge titled "sapeloshop." It was labeled as "Medium-Hard," and it was in the binary exploitation category. The source code for the server wasn't provided, so reverse engineering was necessary. I don't think that having to reverse the binary was supposed to be th... (read on)

Understand Game Hacking in One Post

Posted on Tue, 5 Sep 2017.

At a first glance, it might seem that game cheats like AimTux are something that could only be conjured by the most talented of reverse engineers. That was at least my initial view on it, especially since I always saw these game hackers using outlandish terms that I hadn't heard in over a year of playing in CTF's. Don't be fo... (read on)

Reverse Engineering Babby's First Archive Format

Posted on Thu, 2 Mar 2017.

About two months have passed since the first release of Nekopack - a tool I wrote for extracting game data from Nekopara's XP3 archives. While the process wasn't an amazing reverse-engineering war story that will keep you on the edge of your seat, I feel it deserves a small blog post explaining how I did it. Additionally, there's no real documentation on the XP3 format as far as ... (read on)