This provides read access to the C:\Users\Public directory, where the user.txt flag is often located.
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. netmon-htb
The quickest path to the user flag involves the FTP service: This provides read access to the C:\Users\Public directory,
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) Tools Used Nmap: For port scanning and service
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 .
Searching through the PRTG configuration files (typically in C:\ProgramData\Paessler\PRTG Network Monitor ) reveals backup configuration files. Phase 3: Privilege Escalation (PRTG Exploitation)