What are CTFs? 👾 CTFs are gamified cybersecurity competitions, where you solve different challenges for “flags”, or an answer of sorts! In true l33t hacker terms, this would be sort-of hacking an...

Welcome CTF is an annual CTF organized by NUS Greyhats. This beginner-friendly CTF is targetted at NUS Students who are keen in exploring the world of cybersecurity. This CTF consists of challenge...

I attended the first ever Vulnerability Research based cybersecurity conference in Singapore – Off By One organized by Star Labs, Eugene Lim and Sim Cher Boon – and had an amazing time! This confe...

I competed with NUS Greyhats in BrainHack CDDC 2024 Finals and we came out first ✌️ nus greyhats at cddc! Here are some brief writeups on some of the tasks I solved/attempted Pwn - SecretNote ...

For this year’s Cyberthon, I authored a Pwn Challenge The Forge inspired by the Star Wars theme, covering a slight twist to the simple conventional ROP challenges. I also authored a pwn challen...

This is a writeup on a Kernel Pwn challenge from Imaginary CTF 2023, and aims to introduce kernel pwn in a beginner-friendly manner. The beginner in ‘beginner-friendly’ refers to someone who has n...

Hello World! I’ve acquired a new domain at elmo.sg. Previously, I blogged on blog.caprinux.com. I have since migrated it to archive.elmo.sg and will be posting here instead from now on! I’m als...