02 Jan 2019
In this challenge, we had to obtain remote code execution, simply by
exploiting a 1-day bug that forgot the difference between -0 and
+0. This has probably been one of the most difficult, fun, and
frustrating bugs I have ever exploited.
24 Oct 2018
Last weekend was HITCON CTF 2018, and it was really awesome! I
personally spent time on various super interesting challenges. Below
is just one of them that I happened to solve on the first day. I found
to be particularly interesting to solve since I never have had a
chance to dive into any homomorphic encryption systems before.
31 May 2018
I spent the past week, at the Summer School on Formal Techniques, and it was an absolutely amazing experience. Chronicled below, are the different great talks/labs that were part of this week long program, as well as my thoughts interspersed in. Overall, this was an unforgettable week, where I learnt a lot, made new friends, and had some nice discussions about a lot of very interesting topics. I also found out about some things that...
12 Aug 2017
Reverse engineering is a mix of an art as well as a science. Over
time, one tends to gather a repertoire of common "tips and tricks"
that one might use when reversing any given piece of software. What
follows are a condensed form of some tricks gained from Gynvael's
04 Jul 2017
Truly, time flies extremely fast when you are enjoying yourself. These 4 years have been amongst the most memorable ones in my life till date, and have helped me grow as an individual in countless ways. First year was the first time I was staying away from home, for an extended period of time. To make things more challenging, I was at the same school for the previous 12 years! To come to a new...