$ ctf42

UMassCTF 2026

weight 65.95 CTFtime official repo

UMassCTF is running again this year!

We'll have awesome challenges in:

Reverse Engineering Cryptography Forensics Binary Exploitation Hardware and RF Web Exploitation OSINT and a bunch of misc!

Discord: https://discord.gg/YNr9qKpDf3

Infra sponsored by goo.gle/ctfsponsorship!

Web 8

Challenge Has
Bricktator files
Bricktator_v2 files
Building_Blocks_Market files
ORDER66 files
The_Block_City_Times files
The_Block_City_Times_V2 files
Turncoats_Treasure files
Undercover_Pirate files

Pwn 3

Challenge Has
Brick_City_Office_Space files
Brick_Workshop files
Factory_Monitor files

Reverse 2

Challenge Has
Batcave_Bitflips files
Lego_Clicker files

Crypto 4

Challenge Has
Finished_Ninjago_Game files
Hens_and_Roosters files
The_Accursed_Lego_Bin
#rsa#low-public-exponent#prng-seed-recovery
 files wu 1
Unfinished_Ninjago_Game files

Forensics 4

Challenge Has
Click_Here_For_Free_Bricks files
Doomed_Demo files
Lost_and_Found files
Ninja_Nerds files

Misc 5

Challenge Has
Blink_of_an_Eye files
Brick_Road files
Deep_Down files
Take_a_Slice files
knex files

OSINT 5

Challenge Has
Elucidatio_Fabricae files
Funny_Business files
High_Performance files
Son_of_a_Sith... files
We_Have_at_Home files

Hardware 2

Challenge Has
Brick_by_Brick files
Smart_Brick_v2 files