HackTheBox - Cypher Writeup

Synopsis Cypher is a Medium Linux machine from HackTheBox that features a Cypher injection vulnerability in its web application login form, which allows for initial access via a reverse shell, lateral movement using credentials discovered in bash history, and privilege escalation by exploiting a sudo misconfiguration for the bbot binary to load a malicious custom module. ...

July 26, 2025 · 7 min · 0xblivion