Walkthrough of the machine called “Pelican” in the OffSec Proving Grounds…this is a Linux machine rated as Intermediate. In this video we take advantage of an exploitable program called Exhibitor for Zookeeper to gain a foothold. I then show you how to use an incorrectly set “sudo no password” on a binary called gcore to do memory dumps of processes running as root to obtain root credentials for the system.