Banner Grabbing
List banner-related Nmap scripts
ls -al /usr/share/nmap/scripts/ | grep banner
Banner grab with Nmap
nmap -sV --script=banner 10.10.23.24
Manual via netcat
nc 10.10.23.24 22
ls -al /usr/share/nmap/scripts/ | grep banner
nmap -sV --script=banner 10.10.23.24
nc 10.10.23.24 22