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Struggle with slab freelist hardening in a CTF task Kileak described the solution of a kernel task IPS from VULNCON CTF. The researcher had a hard fight against SLAB_FREELIST_RANDOM and SLAB_FREELIST_HARDENED. kileak.github.io/ctf/2021/vulnc…

I made two easy-ish challenges for this CTF. If you got some time this weekend, give them a go and let me know 🙂

This series on chrome internals and exploitation is really well written, highly recommended.

I did a podcast about the cyber security scene in Pakistan. I gave a simple road map for entering this domain and highlighted Pakistan's existing position, its future, and the imminent threat of Cyber Warfare. Watch it here: youtu.be/zrFjYGEpbkE

ARESx places 2nd in Foobar CTF ;) More dubs to come

ARESx places 2nd in UMASS CTF :) 😁

Modern day cyber security explained

Browser #Hacking is a very interesting field of security research. How to get started in browser security? 🧵👇 #cybersecurity #bugbounty

A blog about my first eBPF CTF challenge. Learned too much that I wanted to document it. Writeups and exploits by Manfred Paul, Ramdhan and chompie helped a lot in understanding things stdnoerr.github.io/writeup/2022/0…

Really nice slides for eBPF verifier with suggestions for code browsing

Last weekend I played MapleCTF together with ARESx and RCX. We managed to to get 8th place :) Here is a quick write up of EBCSIC, a shellcoding challenge I solved: libh0ps.so/2022/08/31/Map…

CVE-2022-22629: From WebKit Patch Diffing to PoC github.com/parsdefense/CV…

corCTF 2023 has ended🥳- thanks to all the players and our wonderful sponsors! We hope everyone had a great time! Congrats to the top 5 teams: 1. Water Paddler 2. CyberTeamItaly 3. cat🇰🇷 4. organizers 5. r3kapig See you all next year!

Checkout my teammate's writeup. These were some really good challenges.

played BlackHat 2024 Qualifiers with AirOverflow. Didn't get much time but managed to solve one challenge. Here's the writeup for the one I solved. P.S. I'm in Riyadh for the Finals. If you're there as well, feel free to hit me up stdnoerr.github.io/writeup/2023/1… #BHMEA24