Pwn: clutter-overflow - picoMini CTF 2021 Challenge

Video walkthrough for picoMini CTF Pwn (binary exploitation) challenge; clutter-overflow. This is a basic buffer overflow exercise and the tutorial is aimed at beginners - Hope you enjoy 🙂

picoMini by redpwn: Competitors must reverse-engineer, break, hack, decrypt, and think creatively and critically to solve the challenges and capture the digital flags.

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↢Pico CTF↣
https://picoctf.org/competitions/2021-redpwn.html
https://picoctf.org/

↢Resources↣
Nightmare: https://guyinatuxedo.github.io/index.html
PwnTools: https://github.com/Gallopsled/pwntools-tutorial
Ghidra cheatsheet: https://ghidra.re/CheatSheet.html

↢Chapters↣
Start - 0:00
Basic File Checks - 0:20
Source Code Review - 1:30
Find RIP Offset in PwnDbg - 3:15
RIP vs Local Var Overwrite - 4:55
Exploit Manually - 6:30
PwnTools Template Explained - 11:30
PwnTools Build Payload - 13:50
Bonus: ROP Gadgets - 15:07
Bonus: Automate with ROP Objects - 19:33

Видео Pwn: clutter-overflow - picoMini CTF 2021 Challenge канала CryptoCat