This is my write-up and walkthrough for the Nexus (10.129.99.5) box user and root flags. Nexus is a Linux machine centred on web enumeration and a foothold that leads into a multi-step privilege-escalation chain. When commencing this engagement, Nexus was listed in HTB (hackthebox) with an easy difficulty rating. Walkthrough I ran this engagement from my own Kali machine,