QUEST LOG

CTF Writeups

Walkthroughs from competitions — solved and explained.

webpwn
webJul 10, 2026
Cookie Monster

A login form that trusts its own cookie a little too much. Flip one byte, become admin.

picoCTF 2026cookiesauth-bypass
pwnJul 5, 2026
ret2win warmup

No stack canary, no PIE, and a win() function sitting right there. Overflow into it.

Local CTF 2026buffer-overflowret2win