PenTest.WS demonstration hacking the Sunday machine from HackTheBox.eu. This video includes brute forcing the finger and ssh services. John the Ripper is used to brute force a password. Privilege escalation is to use sudo and the wget command to read & write protected files.

2:14 – Downloading the corncob word list
4:18 – Brute forcing the finger service with a custom bash script
8:12 – Brute forcing ssh using hydra
12:02 – John the Ripper brute forcing a shadow.bak file
15:05 – sudo & the wget command for privilege escalation