This repo contains tasks and their writeups for CTF Code 2021.

Authour of this tasks:

AnyKeyShik Rarity @AnyKeyShik

Flag format: oren_ctf_<flag>!

About files structure in this repo:

• Every category placed in its own dir
• Every task placed in dir named after him
• In task dir:
  • Files what must be served to players are placed in dir named static
  • Files for placement on the org's server placed in dir named service
• Scripts and other writeups stuff are also categorized by their respective dirs
• Writeups present as PDF files in the root of respective dir in dir writeups

Tasks and writeups:

Forensics:

For this category easy2-reallife in one virtual machine

Writeup

Task	Writeup
Baby keyboard	Solve files
Just log in	Solve files
Find file	Solve files
Do you hear it?	Solve files
Random xor	Solve files
How about history?	Solve files

Reverse:

Writeup

Task	Writeup
Check the license	Solve files
Guess the password	Solve files
Cryptowallet	Solve files
Friendly VM	Solve files
Let's GO for cookies	Solve files

Binary analysis:

Writeup

Task	Writeup
Crash me	Solve files
System health check	Solve files
You're a Wizard, Harry	Solve files
My anime list	Solve files
Arbalest shop	Solve files
Squirrel as a service	Solve files

Admin:

Writeup

Task	Writeup
Are you true admin?	Solve files
Do you like black terminals with green text?	Solve files
Use your head	Solve files
Bash escape	Solve files
Too many files	Solve files
Just read the flag	Solve files

Crypto:

Writeup

Task	Writeup
Based task	Solve files
Hashes among us	Solve files
Please be careful with ASR	Solve files
Please don't share	Solve files
Do you want to play some gamel?	Solve files
Curve task	Solve files