Union 2021

weight 24.34 CTFtime official repo

This is an online jeopardy-style CTF aiming for a medium difficulty. There will be the usual categories, such as web, pwn, crypto, reversing and misc.

Web 1

Challenge	Has
Cr0wnAir #jwt #algorithm-confusion	files wu 3

Pwn 3

Challenge	Has
babyrarf #type-confusion #info-leak #ret2win	files wu 2
notepad	files wu 1
nutty	files

Reverse 4

Challenge	Has
aesthetic	files
antistatic #anti-debugging #crackme	files wu 1
exah	files
unionware #powershell-deobfuscation #ransomware	files wu 2

Crypto 5

Challenge	Has
cr0wn_st3rling	files
human_server #ecdsa #nonce-reuse	files wu 3
mordell_primes	files
neoclassical	files
why_is_a_raven #isogeny #sidh #torsion-point-attack	files wu 2