description = [[ Attempts to enumerate Windows user accounts through SNMP ]] --- -- @output -- | snmp-win32-users: -- | Administrator -- | Guest -- | IUSR_EDUSRV011 -- | IWAM_EDUSRV011 -- | SUPPORT_388945a0 -- | Tomcat -- | db2admin -- | ldaptest -- |_ patrik 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 require "shortport" require "snmp" portrule = shortport.portnumber(161, "udp", {"open", "open|filtered"}) --- 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 new_tab = {} for _, v in ipairs( tbl ) do table.insert( new_tab, v.value ) end table.sort( new_tab ) return new_tab end action = function(host, port) local socket = nmap.new_socket() local catch = function() socket:close() end local try = nmap.new_try(catch) local snmpoid = "1.3.6.1.4.1.77.1.2.25" local users = {} local status socket:set_timeout(5000) try(socket:connect(host, port)) status, users = snmp.snmpWalk( socket, snmpoid ) socket:close() if( not(status) ) then return end users = process_answer( users ) if ( users == nil ) or ( #users == 0 ) then return end nmap.set_port_state(host, port, "open") return stdnse.format_output( true, users ) end