TryHackMe
Anonymous - TryHackMe Writeup
This room exploits a vulnerable FTP port left open, exposing a script that can be overwritten. Privilege escalation is also included using the famous GTFOBins to gain a root shell.
Simple CTF - TryHackMe Writeup
This room is designed for beginners and mimics a CTF-like scenario including basics like port scanning, enumeration, SQL Injection and even some simple privilege escalation tactics.