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These are my Capture the Flag walkthroughs, written so you can follow along even if it’s your first CTF. Browse by platform or by difficulty below. Every writeup explains not just what I did, but why.
I only publish writeups for retired machines and challenges that platforms allow writeups for. Please do the same.

By Platform

hacksmarter-casino-2

HackSmarter: Casino

Medium · Linux · Web
image-27

HackSmarter: CTOS

Medium · Multi-Machine · Active Directory
hsm-walnut

HackSmarter: Walnut

Easy · Linux

By Difficulty

htb-underpass-2

HackTheBox: Underpass

HackTheBox · Linux · SNMP enumeration, default credentials, and a mosh-server privilege escalation
hsm-walnut

HackSmarter: Walnut

Easy · Linux