local bin = require "bin" local nmap = require "nmap" local shortport = require "shortport" local snmp = require "snmp" local stdnse = require "stdnse" local table = require "table" description = [[ Attempts to enumerate installed software through SNMP. ]] --- -- @output -- | snmp-win32-software: -- | Apache Tomcat 5.5 (remove only); 2007-09-15 15:13:18 -- | Microsoft Internationalized Domain Names Mitigation APIs; 2007-09-15 15:13:18 -- | Security Update for Windows Media Player (KB911564); 2007-09-15 15:13:18 -- | Security Update for Windows Server 2003 (KB924667-v2); 2007-09-15 15:13:18 -- | Security Update for Windows Media Player 6.4 (KB925398); 2007-09-15 15:13:18 -- | Security Update for Windows Server 2003 (KB925902); 2007-09-15 15:13:18 -- |_ Windows Internet Explorer 7; 2007-09-15 15:13:18 author = "Patrik Karlsson" license = "Same as Nmap--See http://nmap.org/book/man-legal.html" categories = {"default", "discovery", "safe"} dependencies = {"snmp-brute"} -- Version 0.3 -- Created 01/15/2010 - v0.1 - created by Patrik Karlsson -- Revised 01/19/2010 - v0.2 - fixed loop that would occure if a mib did not exist -- Revised 04/11/2010 - v0.3 - moved snmp_walk to snmp library portrule = shortport.portnumber(161, "udp", {"open", "open|filtered"}) --- Gets a value for the specified oid -- -- @param tbl table containing oid and value -- @param oid string containing the object id for which the value should be extracted -- @return value of relevant type or nil if oid was not found function get_value_from_table( tbl, oid ) for _, v in ipairs( tbl ) do if v.oid == oid then return v.value end end return nil end --- Processes the table and creates the script output -- -- @param tbl table containing oid and value -- @return table suitable for stdnse.format_output function process_answer( tbl ) local sw_name = "1.3.6.1.2.1.25.6.3.1.2" local sw_date = "1.3.6.1.2.1.25.6.3.1.5" local new_tbl = {} for _, v in ipairs( tbl ) do if ( v.oid:match("^" .. sw_name) ) then local objid = v.oid:gsub( "^" .. sw_name, sw_date) local install_date = get_value_from_table( tbl, objid ) local sw_item local _, year, month, day, hour, min, sec = bin.unpack( ">SCCCCC", install_date ) install_date = ("%02d-%02d-%02d %02d:%02d:%02d"):format( year, month, day, hour, min, sec ) sw_item = ("%s; %s"):format(v.value ,install_date) table.insert( new_tbl, sw_item ) end end table.sort( new_tbl ) return new_tbl end action = function(host, port) local socket = nmap.new_socket() local catch = function() socket:close() end local try = nmap.new_try(catch) local data, snmpoid = nil, "1.3.6.1.2.1.25.6.3.1" local sw = {} local status socket:set_timeout(5000) try(socket:connect(host, port)) status, sw = snmp.snmpWalk( socket, snmpoid ) socket:close() if ( not(status) ) or ( sw == nil ) or ( #sw == 0 ) then return end sw = process_answer( sw ) nmap.set_port_state(host, port, "open") return stdnse.format_output( true, sw ) end