Completed the Hack The Box “Helix” machine, a medium-difficulty Linux challenge focused on Apache NiFi and industrial control systems.

The attack chain involved virtual host discovery, Apache NiFi exploitation, reverse shell access as nifi, recovery of an SSH private key, and lateral movement to the operator user. Privilege escalation was achieved by interacting with the internal OPC UA server and manipulating reactor control values to open the privileged maintenance window, ultimately obtaining root access.

Another great HTB challenge combining web exploitation, credential recovery, Linux privilege escalation, and OT/ICS concepts.

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Learn MoreHack The Box: Helix Machine – Medium Difficulty

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