NNull Siryn·Jan 1The Elf's Wager: Reverse Engineering CTF WriteupA complete walkthrough of the Elf’s Wager challenge, breaking down ELF protections, static reverse engineering, XOR decoding, and recovering the final flag.5 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
