YYogeshwar Peela·Jul 12BronocCTF : Proper Pwning WriteupExploit BroncoCTF Proper using gets() stack overflows, bypass three gates, fix stack alignment with ret, and execute ret2win for the flag7 min read·exploitnotes.hashnode.dev
AAbid niazi·May 1👉 I Built 40+ Free Online Tools Using Next.js — What I LearnedLearn how I built 40+ free online tools using Next.js, SEO strategies, and real traffic lessons. Includes PDF tools, GPA calculator, and more.3 min read·httpsfreetoolforgeorg.hashnode.dev1A
NNull Siryn·Feb 22Bits Krieg CTF: Cider Vault Solution & Linux Heap Exploitation GuideLearn to exploit the Cider Vault CTF using Use-After-Free, Tcache Poisoning, and FSOP. A class in Linux heap exploitation with full Python code.11 min read·ctfs.hashnode.dev
NNull Siryn·Jan 1FrostByte CTF Writeup: Exploiting /proc/self/mem & GOT OverwriteMaster the FrostByte CTF challenge with this binary exploitation walkthrough. Learn to exploit /proc/self/mem, patch binaries at runtime, and hijack the GOT9 min read·ctfs.hashnode.dev
NNull Siryn·Jan 1Failed Exfil CTF Writeup: Exploiting Format Strings to Leak Stack DataSolve the Failed Exfil binary challenge by exploiting a format string vulnerability. Learn to analyze ELF binaries with Ghidra and leak stack secrets.7 min read·ctfs.hashnode.dev
NNull Siryn·Dec 13, 2025ArchiveKeeper NexHunt CTF Writeup: Ret2Libc & ROP ExploitationMaster Ret2Libc attacks with this ArchiveKeeper CTF writeup. We cover leaking libc addresses, bypassing NX, and crafting ROP chains to spawn a shell.5 min read·ctfs.hashnode.dev
SSangharsha·Jun 27, 2025pwntools-level-4.0Learn how to exploit a stack overflow using cyclic patterns and core dump analysis to find return addresses and read files with pwntools2 min read·noob6t5.hashnode.dev
SSangharsha·Jun 27, 2025pwntools-level-3.0Learn how to manipulate notebook statuses and retrieve flags in the pwntools-level-2.6 challenge1 min read·noob6t5.hashnode.dev
SSangharsha·Jun 27, 2025pwntools-level-2.6Learn how to use pwntools' asm API to write an assembly code snippet that sums integers from 1 to rcx1 min read·noob6t5.hashnode.dev
