Tier 0 MachinesRedeemeras usual let's start with our nmap nmap -p- -sV targetIP we can see that port 6379 is open which is running a redis server you first need...
Tier 2 MachinesOopsieLearn how to use Burp, about cookies, about PHP reverse shells and about bugtracker!
Tier 2 MachinesVaccineLearn how to use John The Ripper and zip2john. Learn how to use sqlmap and learn about vi editor!
BasicsBasics - Useful commandsIf your shell is not stable use this command to make it more stable python3 -c 'import pty; pty.spawn(“/bin/bash”)'