Event Description

UIUCTF 2021's theme was "Futuristic Art Deco" and "Roaring 20's."

Event Statistics

Teams

658

Rating Weight

23.76

Cash Prizes (USD)

$7,700+

Sponsors

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

Challenge Repository

The public release for UIUCTF 2021 challenge source code and infrastructure can be found on GitHub.

Winning Writeups

For UIUCTF 2021 we paid out $2,000 in writeup prizes. We were inspired by GoogleCTF’s 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 the writeups that won.

ChallengeAuthor
baby_pythonnatem135 - IrisSec
baby_python_fixedEth007 - TeamlessCTF
baby_python_fixedvwfhoqufqijnof - IrisSec
back_to_basicszeyu2001 - Social Engineering Experts
beyond_rootmagnum - magnum
buy_buy_buyFIREPONY57 - TeamlessCTF
capture the :flag:skat - IrisSec
Constructive CriticizmBlupper - Hackerscrew
dhke_adventureNecron3574 - Cryptonite
emotesLegoclones - BYU Cyberia
feedback_surveyBasmatiRice - RiceGang
gatekeepingCSN3RD - CSN3RD
Gonnectionsnobodyisnobody - RootMeUpBeforeYouGoGo
hvhpgs{synt}Fawl - Social Engineering Experts
Insecure Seccompvolticks - Zh3er0
OSINT 1 and 8Legoclones - BYU Cyberia
OSINT Suiteniche - niche
pawnfishPwN_3v3rY7h1nG - PwN_3v3rY7h1nG
phpfuck_fixedch13 - ohm
pluginnot_really - IrisSec
ponydbzeyu2001 - Social Engineering Experts
pow_erfulzeyu2001, TheMythologist, Angmar (me), Fawl, rainbowpigeon, seabass, lim_yj - Social Engineering Experts
pwn_warmupdownbtn - down_button
pwnies_pleasezeyu2001 - Social Engineering Experts
pwnies_pleasesera - IrisSec
Pwny OS SequenceBrownRice - RiceGang
q-orious transmissionsPolymero - K3RN3L4RMY
ropfuscatedredoste - ECSC Team France
ropfuscatedb05902008@csie.ntu.edu.tw - None
speakeasynot_really - IrisSec
SUPERLouis - SoloQ
Tablet Seriesskat - IrisSec
TediousLegoclones - BYU Cyberia
TediousFawl - Social Engineering Experts
toobeetooteeLouis - SoloQ
vaudevillePwN_3v3rY7h1nG - PwN_3v3rY7h1nG
wasmbabyLegoclones - BYU Cyberia
wasmcloudsera - IrisSec
Welcome to UIUCTFFawl - Social Engineering Experts
yanaNeptunian - FireShell