Pascal CTF - yetanothernotetaker
YET ANOTHER NOTE TAKER
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~ writeups
CTF & Technical Writeups
CTF challenges, exploitation, reverse engineering and technical experiments.
Introduction to File Structure Exploitation
File Structure Exploitation is a binary exploitation technique that uses GLIBC file streams structures to gain code execution. It has become popular since pointers like __malloc...
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NexHunt CTF 2025
I was looking for some CTFs to play during the weekend then I saw that NexHunt CTF had a few hours left so I joined the CTF with about 3 hours left until the CTF ends. I was on...
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QNQSEC Debtor's Database Writeup
About The binary
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Who Needs POP `RDI?` You Have `gets()`
Facing a gadget-poor binary? This post reveals how gets() can be your ultimate ROP primitive. By understanding how gets() reuses the existing RDI value from the vulnerable buffer, we can craft precise chains that set up function arguments and leak libc addresses without traditional gadgets.
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Tcache Poisioning
Understanding Tcache
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Unlink Exploit
Understanding how unlinking happens in libc (old and modern) and how to exploit it
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Global Variable Overwrite
Exploit Write-up: Buffer Overflow with Global Variable Control
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Pwn & Reverse Engineering Lab with Docker
Building a Reproducible Pwn & Reverse Engineering Lab with Docker
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UMDCTF
UMDCTF Gambling pwn challenge
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Protostar Stack Writeups
Protostar Stack Writeups
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