UIUCTF 2021 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.

Challenge Author
baby_python natem135 - IrisSec
baby_python_fixed Eth007 - TeamlessCTF
baby_python_fixed vwfhoqufqijnof - IrisSec
back_to_basics zeyu2001 - Social Engineering Experts
beyond_root magnum - magnum
buy_buy_buy FIREPONY57 - TeamlessCTF
capture the :flag: skat - IrisSec
Constructive Criticizm Blupper - Hackerscrew
dhke_adventure Necron3574 - Cryptonite
emotes Legoclones - BYU Cyberia
feedback_survey BasmatiRice - RiceGang
gatekeeping CSN3RD - CSN3RD
Gonnections nobodyisnobody - RootMeUpBeforeYouGoGo
hvhpgs{synt} Fawl - Social Engineering Experts
Insecure Seccomp volticks - Zh3er0
OSINT 1 and 8 Legoclones - BYU Cyberia
OSINT Suite niche - niche
pawnfish PwN_3v3rY7h1nG - PwN_3v3rY7h1nG
phpfuck_fixed ch13 - ohm
plugin not_really - IrisSec
ponydb zeyu2001 - Social Engineering Experts
pow_erful zeyu2001, TheMythologist, Angmar (me), Fawl, rainbowpigeon, seabass, lim_yj - Social Engineering Experts
pwn_warmup downbtn - down_button
pwnies_please zeyu2001 - Social Engineering Experts
pwnies_please sera - IrisSec
Pwny OS Sequence BrownRice - RiceGang
q-orious transmissions Polymero - K3RN3L4RMY
ropfuscated redoste - ECSC Team France
ropfuscated b05902008@csie.ntu.edu.tw - None
speakeasy not_really - IrisSec
SUPER Louis - SoloQ
Tablet Series skat - IrisSec
Tedious Legoclones - BYU Cyberia
Tedious Fawl - Social Engineering Experts
toobeetootee Louis - SoloQ
vaudeville PwN_3v3rY7h1nG - PwN_3v3rY7h1nG
wasmbaby Legoclones - BYU Cyberia
wasmcloud sera - IrisSec
Welcome to UIUCTF Fawl - Social Engineering Experts
yana Neptunian - FireShell