S4CTF 2021

weight 24.52 CTFtime official repo

This CTF is organized by a number of CTF veterans, which have organized multiple CTF events in the past, most recent SuSeC 2020.

Challenges will be in 5 categories: pwn, rev, crypto, web, and misc.
There will also be a set of Junior challenges.
We know that there are no substitutes for irc, but like many others we have moved to discord. Get the address from the Announcement section on the site.

Event is organized by S4Lab, Sharif University of Technology.

Web 4

Challenge	Has
file-upload	files
junior-jwt #jwt #algorithm-confusion #rs256-to-hs256	files wu 1
junior-login	files
sosafewebsite	files

Pwn 6

Challenge	Has
Heap_Heap #unsorted-bin-leak #tcache-poisoning #malloc-hook #one-gadget	files wu 1
OhBabyBaby #stack-buffer-overflow #ret2win #leaked-address	files wu 2
b64lib	files
manag_store	files
missme #ret2libc #rop	files wu 1
pwnership	files

Reverse 6

Challenge	Has
compilerhell #c-preprocessor #macro-metaprogramming	files wu 1
redge	files
rediary #cpp-reversing #custom-cipher	files wu 1
tertiary #gdb #dynamic-analysis #ternary	files wu 1
warmwelcome	files wu 1
watercolor #android #jni #native-library #jadx	files wu 1

Crypto 7

Challenge	Has
Baby-IQ	files wu 1
Baby-RSA #rsa #factordb	files wu 1
Baby-Xor #xor #self-shifted-xor	files wu 1
Malady	files
genie	files
khayyam	files
phillip	files