/makider cybersecurity blog :))) 2026-01-19T02:54:22+01:00 makider / Jekyll © 2026 makider /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png 2025-10-28T00:00:00+01:00 2026-01-19T02:46:11+01:00 /posts/m0lecon-2025-snek-writeup/ makider

Thoughts This weekend my team and I played m0lecon. Overall, the event had high-quality challenges and gave me a lot of material to study. :) An interesting challenge I have to say, I never thought I’d try a snake-like game in a CTF, but here we are. Pwn isn’t my main category and I’m not an SDL expert, but I’ll do my best to explain my thought process. opening in ghidra & debugging u...

2025-08-06T00:00:00+02:00 2026-01-19T02:53:59+01:00 /posts/leaking-flag-via-qemu-gdbstub/ makider

intro In this challenge, we are given Docker container that launches an Alpine Linux VM under QEMU with debugging enabled. The vm starts paused, exposes a GDB server (on port 1234) and also comes bundled with pwndbg. The flag is as always palced on /flag.txt, which means that we somehow have to get arbitrary read. FROM ubuntu:25.04 RUN apt update && DEBIAN_FRONTEND=noninteractive a...

2024-07-08T00:00:00+02:00 2025-10-29T01:57:15+01:00 /posts/some-mixed-writeups/ makider

prologue hello guys! today i wanted to share some mixed writeups that i never posted (sorry :P) they are from different ctfs and they even date back on the first ctf we ever did with Reset! ty for reading <3 Urmia Ctf 2023 status page - fullpwn As i didn’t have my pc i had to finish this challenge from my phone using termux, but now i’ll reconstruct my tought process with photos from my...

2024-07-08T00:00:00+02:00 2025-10-29T01:57:15+01:00 /posts/interlogica-2024-wastelands-writeups/ makider

prologue & review overall really great ctf, however some useless guessing was involved that really made some challenges look stupid. Aside of that the concept is great and i loved it! We could have done better, but unfortunately i didn’t have much time for solving the challenges due to some obligations and i only solved 4 challs. anyways i’m pretty happy of the result! Luckily my teammat...

2024-04-24T00:00:00+02:00 2024-04-24T00:00:00+02:00 /posts/amateursCTF-2024-writeups/ makider

prologue & review hey y’all! im back with new writeups! :D this time there are some for Amateurs CTF 2024. I’d say pretty good, many teams participated to this ctf even though its their second event, this really goes to show the quality of the challenges. Unfortunately we didn’t really do too well here, as many of our teammates couldn’t participate because of midterm exams. But we still ...