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1b71f75aad
Mostly in documentation/comments, but a couple code bugs were caught, including a call to stdnse.pirnt_debug and a mis-declared variable.
110 lines
3.1 KiB
Lua
110 lines
3.1 KiB
Lua
local bin = require "bin"
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local nmap = require "nmap"
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local shortport = require "shortport"
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local snmp = require "snmp"
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local stdnse = require "stdnse"
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local table = require "table"
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description = [[
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Attempts to enumerate installed software through SNMP.
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]]
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---
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-- @output
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-- | snmp-win32-software:
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-- | Apache Tomcat 5.5 (remove only); 2007-09-15 15:13:18
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-- | Microsoft Internationalized Domain Names Mitigation APIs; 2007-09-15 15:13:18
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-- | Security Update for Windows Media Player (KB911564); 2007-09-15 15:13:18
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-- | Security Update for Windows Server 2003 (KB924667-v2); 2007-09-15 15:13:18
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-- | Security Update for Windows Media Player 6.4 (KB925398); 2007-09-15 15:13:18
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-- | Security Update for Windows Server 2003 (KB925902); 2007-09-15 15:13:18
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-- |_ Windows Internet Explorer 7; 2007-09-15 15:13:18
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author = "Patrik Karlsson"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"default", "discovery", "safe"}
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dependencies = {"snmp-brute"}
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-- Version 0.3
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-- Created 01/15/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
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-- Revised 01/19/2010 - v0.2 - fixed loop that would occur if a mib did not exist
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-- Revised 04/11/2010 - v0.3 - moved snmp_walk to snmp library <patrik@cqure.net>
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portrule = shortport.portnumber(161, "udp", {"open", "open|filtered"})
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--- Gets a value for the specified oid
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--
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-- @param tbl table containing <code>oid</code> and <code>value</code>
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-- @param oid string containing the object id for which the value should be extracted
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-- @return value of relevant type or nil if oid was not found
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function get_value_from_table( tbl, oid )
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for _, v in ipairs( tbl ) do
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if v.oid == oid then
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return v.value
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end
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end
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return nil
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end
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--- Processes the table and creates the script output
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--
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-- @param tbl table containing <code>oid</code> and <code>value</code>
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-- @return table suitable for <code>stdnse.format_output</code>
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function process_answer( tbl )
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local sw_name = "1.3.6.1.2.1.25.6.3.1.2"
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local sw_date = "1.3.6.1.2.1.25.6.3.1.5"
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local new_tbl = {}
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for _, v in ipairs( tbl ) do
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if ( v.oid:match("^" .. sw_name) ) then
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local objid = v.oid:gsub( "^" .. sw_name, sw_date)
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local install_date = get_value_from_table( tbl, objid )
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local sw_item
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local _, year, month, day, hour, min, sec = bin.unpack( ">SCCCCC", install_date )
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install_date = ("%02d-%02d-%02d %02d:%02d:%02d"):format( year, month, day, hour, min, sec )
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sw_item = ("%s; %s"):format(v.value ,install_date)
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table.insert( new_tbl, sw_item )
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end
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end
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table.sort( new_tbl )
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return new_tbl
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end
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action = function(host, port)
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local socket = nmap.new_socket()
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local catch = function() socket:close() end
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local try = nmap.new_try(catch)
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local data, snmpoid = nil, "1.3.6.1.2.1.25.6.3.1"
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local sw = {}
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local status
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socket:set_timeout(5000)
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try(socket:connect(host, port))
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status, sw = snmp.snmpWalk( socket, snmpoid )
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socket:close()
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if ( not(status) ) or ( sw == nil ) or ( #sw == 0 ) then
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return
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end
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sw = process_answer( sw )
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nmap.set_port_state(host, port, "open")
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return stdnse.format_output( true, sw )
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end
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