nmap banner grabbing
# nmap -sV --script=banner 172.16.60.76 Nmap scan report for 172.16.60.76 Host is up (0.0066s latency). Not shown: 986 closed ports PORT STATE SERVICE VERSION 3389/tcp open ms-wbt-server Microsoft Terminal Service Service Info: Host: ARBEN-PC; OS: Windows; CPE: cpe:/o:microsoft:windows