local nmap = require "nmap" local shortport = require "shortport" local stdnse = require "stdnse" description = [[ Extends version detection to detect NetBuster, a honeypot service that mimes NetBus. ]] --- -- @usage -- nmap -sV -p 12345 --script netbus-version -- -- @output -- 12345/tcp open netbus Netbuster (honeypot) author = "Toni Ruottu" license = "Same as Nmap--See http://nmap.org/book/man-legal.html" categories = {"version"} portrule = shortport.version_port_or_service ({}, "netbus", {"tcp"}) action = function( host, port ) local socket = nmap.new_socket() socket:set_timeout(5000) local status, err = socket:connect(host.ip, port.number) if not status then return end local buffer, _ = stdnse.make_buffer(socket, "\r") buffer() --discard banner socket:send("Password;0;\r") --NetBus answers to auth if buffer() ~= nil then return end --NetBuster does not port.version.name = "netbus" port.version.product = "NetBuster" port.version.extrainfo = "honeypot" port.version.version = nil nmap.set_port_version(host, port) return end