local dns = require "dns" local ipOps = require "ipOps" local stdnse = require "stdnse" local stringaux = require "stringaux" local tab = require "tab" local table = require "table" description = [[ Checks if the target IP range is part of a Zeus botnet by querying ZTDNS @ abuse.ch. Please review the following information before you start to scan: * https://zeustracker.abuse.ch/ztdns.php ]] --- -- @usage -- nmap -sn -PN --script=dns-zeustracker -- @output -- Host script results: -- | dns-zeustracker: -- | Name IP SBL ASN Country Status Level Files Online Date added -- | foo.example.com 1.2.3.4 SBL123456 1234 CN online Bulletproof hosted 0 2011-06-17 -- |_ bar.example.com 1.2.3.5 SBL123456 1234 CN online Bulletproof hosted 0 2011-06-15 author = "Mikael Keri" license = "Same as Nmap--See https://nmap.org/book/man-legal.html" categories = {"safe", "discovery", "external", "malware"} hostrule = function(host) return not(ipOps.isPrivate(host.ip)) end action = function(host) local levels = { "Bulletproof hosted", "Hacked webserver", "Free hosting service", "Unknown", "Hosted on a FastFlux botnet" } local dname = dns.reverse(host.ip) dname = dname:gsub ("%.in%-addr%.arpa",".ipbl.zeustracker.abuse.ch") local status, result = dns.query(dname, {dtype='TXT', retAll=true} ) if ( not(status) and result == "No Such Name" ) then return elseif ( not(status) ) then return stdnse.format_output(false, "DNS Query failed") end local output = tab.new(9) tab.addrow(output, "Name", "IP", "SBL", "ASN", "Country", "Status", "Level", "Files Online", "Date added") for _, record in ipairs(result) do local name, ip, sbl, asn, country, status, level, files_online, dateadded = table.unpack(stringaux.strsplit("| ", record)) level = levels[tonumber(level)] or "Unknown" tab.addrow(output, name, ip, sbl, asn, country, status, level, files_online, dateadded) end return stdnse.format_output(true, tab.dump(output)) end