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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 <target>
--
-- @output
-- 12345/tcp open netbus Netbuster (honeypot)
author = "Toni Ruottu"
license = "Same as Nmap--See https://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, port)
if not status then
return
end
local buffer, _ = stdnse.make_buffer(socket, "\r")
_ = buffer()
if not (_ and _:match("^NetBus")) then
stdnse.debug1("Not NetBus")
return nil
end
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
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