Hack The Box - HTB Helix Writeup - Medium- Weekly - May 8th, 2026

May 21, 2026

HTB Write-up: Helix OS: Linux Difficulty: Medium 1. Executive Summary Helix is a lab that simulates a realistic industrial control systems (ICS/SCADA) environment. Target IP: [TARGET_IP] Attacker IP: [ATTACKER_IP] 2. Reconnaissance 2.1 Nmap Port Scanning I started by scanning the target for open ports and services: nmap -p- -sV -sC -T4 [TARGET_IP] The scan revealed: 22/tcp — OpenSSH 8.9p1 Ubuntu 3ubuntu0.10 80/tcp — Nginx HTTP 8080/tcp — Apache NiFi During virtual host enumeration using ffuf, I identified flow.helix.htb as a host pointing to the NiFi management interface. …