A collection of playable CTF challenges I created, with writeups!

eventchallengecategoryplaysourcewriteup
Hack.Lu 2023StylePenwebchallenge websitestylepen.zipStylePen Writeup - me
Hack.Lu 2023Safest Evalmiscchallenge websitesafest-eval.zipSafest Eval (Python jail escape) - rebane2001
Hack.Lu 2022Yummy GIFswebchallenge websiteyummygifs.zipHack.lu CTF 2022 Notes - YummyGIFs(5 solves) - Huli