corCTF 2022

The second CTF organized by the Crusaders of Rust (aka Starrust Crusaders), an American and European collegiate team.

Challenge categories include pwn, rev, crypto, web, and misc.

Infra sponsored by goo.gle/ctfsponsorship and fly.io. Thanks to RET2, Binary Ninja, Trail of Bits, Hack The Box, and OtterSec for their generous prize sponsorships.

Web 6

Challenge	Has
friends	files
leetmail	files
modernblog #dom-clobbering #css-leak	files wu 2
rustshop #type-confusion #unsafe-deserialization	files wu 1
simplewaf #parameter-object-injection #file-url-bypass	files wu 1
sndbx	files

Pwn 9

Challenge	Has
Cache_of_Castaways #cross-cache-overflow #cred-overwrite	files wu 1
CoRJail #off-by-null #kernel-uaf #container-escape	files wu 1
babypwn #format-string #ret2libc	files wu 2
citrusorwell	files
corchat	files
cshell2 #heap-exploitation	files wu 2
nbd	files
solidarity #solana-account-confusion #missing-signer-check	files wu 1
zigzag #zig-heap-exploitation #rop	files wu 1

Reverse 8

Challenge	Has
Interesting_Activity	files
Microsoft_Loves_Linux	files
bogus	files src
edgelord	files src
hackermans_dungeon	files
msfrob #import-obfuscation #aes-decryption	files src wu 1
turbocrab #jit-shellcode #substitution-recovery	files src wu 1
vmquacks_revenge #vm-reversing #anti-tampering	files src wu 1

Crypto 10

Challenge	Has
D3S	files
corrupted-curves	files
exchanged	files src
generous	files
hidE #rsa #common-modulus-attack	files wu 2
leapfrog	files
luckyguess #lcg-recovery	files wu 1
rlfsr	files
tadpole #lcg #modulus-recovery	files wu 2
threetreasures	files