Event Description

UIUCTF 2023 was themed after Windows 95 and featured a fully interactive desktop environment as the CTFd theme.

Event Statistics



Rating Weight


Cash Prizes (USD)



This event would not be possible without the support of our sponsors!

Winning Writeups

For UIUCTF 2023 we paid out $1,500 in writeup prizes. We prioritize concise technical communication and writeups that are fun to read and learn from, including those written from/for the perspective of beginners. Here are all writeups that won.

adminplzTCP1P - dimas
adminplzRubi di Cubrik
At Homeb01lers
ChainmailKnightSec - knittingirl
Corny KernelTCP1P - daffainfo
Corny KernelMr.SoloDolo - kidCuda
crack_the_safePSDLN - Pseudoleon
Fast Calculator (Battelle)Project Sekai - sahuang
Fast Calculator (Battelle)cat :flag_kr: - snwo
Fast Calculator (Battelle)Kalmarunionen - shalaamum
Fast Calculator (Battelle)b01lers
Finding Artifacts SuiteDrift2Win - CrimzDG
Finding Jonah SuiteDavidpb - Davidpb
Finding Jonah SuiteGCC
geoguesserl3ak - GoodNoodles
Group Project + Group ProjectionTCP1P - banua
Group Project + Group ProjectionCyberSpace - ctfguy
Mock KernelMaple Bacon - nneonneo
Morphing TimeARESx
Morphing Timeb01lers
peanut-xssRubi Di Cubrik
Rattler Readdecipher - /dev/ur4ndom
Rattler ReadRadboud Institute of Pwning - Areca
Schrodinger's CatAresX - flocto
Schrodinger's CatMaple Bacon
Three-Time PadL3ak - Matthias
Tornado WarningRUSEC - ContronThePanda
vimjail Suitesolooo - pjg1
VirophageProject Sekai
vmwhere SuiteNorske N√łkkelsnikere - jole
Zapping a Setuid 1Zer0Tolerance
Zapping a Setuid 2mHACKeroni - Chino