One Hat Cyber Team

Your IP : 10.30.1.1

Server IP : 103.148.201.5

Server : Linux web-olt 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64

Server Software : Apache/2.4.52 (Ubuntu)

PHP Version : 8.1.29

Buat File | Buat Folder

Dir : ~/proc/6955/root/usr/share/nmap/scripts/

View File Name : smtp-strangeport.nse

description = [[
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.
]]

---
-- @output
-- 22/tcp  open   smtp
-- |_ smtp-strangeport: Mail server on unusual port: possible malware

author = "Diman Todorov"

license = "Same as Nmap--See https://nmap.org/book/man-legal.html"

categories = {"malware", "safe"}

portrule = function(host, port)
  return port.service == "smtp" and
    port.number ~= 25 and port.number ~= 465 and port.number ~= 587
    and port.protocol == "tcp"
    and port.state == "open"
end

action = function()
  return "Mail server on unusual port: possible malware"
end