Searching through the PRTG configuration files (typically in C:\ProgramData\Paessler\PRTG Network Monitor ) reveals backup configuration files. Phase 3: Privilege Escalation (PRTG Exploitation)
If the 2018 password fails on the live login page, updating it to the current year (e.g., PrTg@dmin2019 ) often works, as highlighted by Faisal Husaini . netmon-htb
A standard scan with Nmap typically reveals several open ports, including: Allows anonymous login. Port 80 (HTTP): Hosts a PRTG Network Monitor login page. Port 135/445 (RPC/SMB): Standard Windows networking ports. Phase 2: User Access (FTP & Information Disclosure) Searching through the PRTG configuration files (typically in
To log in once administrative credentials or a new user have been established. HackTheBox Writeup — Netmon - Faisal Husaini Port 80 (HTTP): Hosts a PRTG Network Monitor login page
For finding PRTG-specific RCE exploits.
In an old configuration backup (e.g., PRTG Configuration.old.bak ), you may find a password like PrTg@dmin2018 .
Once logged in as an administrator on the PRTG dashboard, you can exploit the "Notifications" feature. By creating a new notification that executes a malicious .ps1 or .bat file, you can trigger a reverse shell or create a new admin user. Tools Used Nmap: For port scanning and service identification. FTP Client: To browse the file system anonymously.