mood

Minion PEZ is praying for tonight

Next on the schedule, the STAR Labs team of Billy, Calvin and Ramdhan targeting #Parallels Desktop in the Virtualization category. They could win $40,000 and 4 points towards Master of Pwn. Their attempt starts at 1530. #Pwn2Own

Wrote a very simple introductory web hacking challenge for a CTF earlier in the year. I thought it'd be fun to share it with everyone. web.for.idiot.sg

Haven't blogged in a while but here are (some of) my writeups for ACSC 😊

Ran a mini-training for the Global Cybersecurity Camp (GCC) a few weeks back with Daniel Lim. Here are the materials we prepared if anyone is interested: omu.rce.so/gcc-2022/ Check out the site root for other content we've made too!

Wrote-up an interesting LINE CTF pwn challenge 📬 Was nice to write about this cool bug class! blog.idiot.sg/2022-03-27/lin…

TEAM ASIA WOOOHOOOOOOO!!!!!

#ICC_games second place and silver medal: 🥈 Team Asia Asian Cyber Security Challenge (ACSC) Award presented by #ENISA ED Juhan Lepassaar Congratulations!

Wanted to try something new! Made a little video about the past week playing at #ICC2022 with team Asian Cyber Security Challenge (ACSC) Hope it's a fun watch😁 youtu.be/ZWgs2Tjn5cE

Most legit solution (Google CTF - legit)

Some write-ups for a recent local CTF blog.idiot.sg/2022-09-15/tis… Notes: - Level 7 was a very nice CalDAV exploitation challenge by - Level 8 was solved by using Manticore to do symbolic execution on a Windows DLL (❗️)

Been delaying this because of exams ... a short video about playing this year's Codegate CTF Finals in Korea with WreckTheLine! youtu.be/IWD0KuR-mCo

Had a great time at Trail of Bits earlier this year! Here's a blog post about what I worked on 😊

We are back with GreyCTF'23! This year we will be inviting top 5 international teams and the top 10 Singapore teams from the qualifiers to NUS for the finals More information at ctf.nusgreyhats.org Register now at ctfd.nusgreyhats.org

Been a while since I last blogged 🥲 No CTF/exploit stuff this time. But here's my exploration through the idea of prefix/prompt tuning in LLMs! blog.idiot.sg/2024-04-12/can…

Here is my writeup for the baby orqpy challenge, which is one of the pwn challenges during the Jeopardy session that only has 2 solves. I worked on this challenge together with Lord_Idiot. Thanks to hugeh0ge for making this challenge :D chovid99.github.io/posts/icc-2025/