PicoCTF WriteUps

Write-ups for various challenges from PicoCTF.

PicoCTF

PicoCTF is a website offering a yearly CTF as well as a non-copetitive training ground called PicoGym.

What is PicoGym?

"Build your CTF skills, help yourself advance your personal best score, and prepare for the big show using our mini Competitions to practice."

Challenges

picoCTF 2022

Challenge	Category	Points
basic-mod1	Cryptography	100
basic-mod2	Cryptography	100
credstuff	Cryptography	100
substitution0	Cryptography	100
morse-code	Cryptography	100
CVE-XXXX-XXXX	Binary Exploitation	100
basic-file-exploit	Binary Exploitation	100
RPS	Binary Exploitation	200
Includes	Web Exploitation	100
Inspect HTML	Web Exploitation	100
Search source	Web Exploitation	100
Local Authority	Web Exploitation	100
Power Cookie	Web Exploitation	200
Roboto Sans	Web Exploitation	200
Forbidden Paths	Web Exploitation	200
Secrets	Web Exploitation	200
SQLiLite	Web Exploitation	300
file-run1	Reverse Engineering	100
file-run2	Reverse Engineering	100
Safe Opener	Reverse Engineering	100
patchme.py	Reverse Engineering	100
unpackme.py	Reverse Engineering	100
unpackme	Reverse Engineering	300

picoGym

Challenge	Points
Obedient Cat	5
Mod 26	10
Matryoshka doll	30
crackme-py	30
2Warm	50