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Hack The Box Write-up - Calamity

10 minute read Published:

Write-up for the Hack The Box machine called Calamity. Involves basic enumeration, finding a way into a hidden admin panel of the webserver, injecting PHP code after getting past the login, evading an intrusion detection system, recovering an SSH password hidden inside audio files and finally using LXD/LXD to exploit a user administration mistake to get root.
Hack The Box is a new company offering lab servers you can test penetration testing techniques on. It is quite educative and a lot of fun. They have multiple machines and all follow a similar pattern. You start with an IP address, have to find a way to get code execution on the machine (usually as an unprivileged user) and have to escalate from there to root. This post is about one of the machines called calamity.