Initial Enumeration: #
Port Scan: #
PORT STATE SERVICE VERSION
22/tcp open ssh OpenSSH 9.6p1 Ubuntu 3ubuntu13.15 (Ubuntu Linux; protocol 2.0)
| ssh-hostkey:
| 256 0c:4b:d2:76:ab:10:06:92:05:dc:f7:55:94:7f:18:df (ECDSA)
|_ 256 2d:6d:4a:4c:ee:2e:11:b6:c8:90:e6:83:e9:df:38:b0 (ED25519)
80/tcp open http nginx 1.24.0 (Ubuntu)
|_http-title: Silentium | Institutional Capital & Lending Solutions
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
Device type: general purpose|router
Running: Linux 4.X|5.X, MikroTik RouterOS 7.X
OS CPE: cpe:/o:linux:linux_kernel:4 cpe:/o:linux:linux_kernel:5 cpe:/o:mikrotik:routeros:7 cpe:/o:linux:linux_kernel:5.6.3
OS details: Linux 4.15 - 5.19, MikroTik RouterOS 7.2 - 7.5 (Linux 5.6.3)
Network Distance: 2 hops
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel
Subdomain enumeration: #
ffuf -w /usr/share/seclists/Discovery/DNS/subdomains-top1million-5000.txt -u http://silentium.htb/ -H 'Host: FUZZ.silentium.htb' -fw 6
staging.silentium.htb
There is a staging subdomain which hosts a low-code LLM agent deployment web application
Use the FlowiseAI API endpoint to verify The version of FlowiseAI
curl http://staging.silentium.htb/api/v1/version
Feel free to reachout on LinkedIn or any of my socials in case you need help with the challenge. The full writeup will be released after the box is retired.