File smtp-strangeport
Script types:
portrule
Categories:
malware, safe
Download: http://nmap.org/svn/scripts/smtp-strangeport.nse
User Summary
Checks if SMTP is running on a non-standard port.
This may indicate that crackers or script kiddies have set up a backdoor on the system to send spam or control the machine.
Example Usage
nmap -sV --script=smtp-strangeport <target>
Script Output
22/tcp open smtp |_ smtp-strangeport: Mail server on unusual port: possible malware
Author: Diman Todorov
License: Same as Nmap--See http://nmap.org/book/man-legal.html