261 lines
6.9 KiB
Ruby
261 lines
6.9 KiB
Ruby
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##
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# $Id$
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##
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##
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# ## This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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require 'rex'
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require 'msf/core/post/common'
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class Metasploit3 < Msf::Post
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include Msf::Post::Common
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include Msf::Auxiliary::Report
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def initialize(info={})
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super( update_info( info,
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'Name' => 'Multi Gather DNS Service Record Lookup Scan',
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'Description' => %q{
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Enumerates know SRV Records for a given domaon using target host DNS query tool.
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'Carlos Perez <carlos_perez[at]darkoperator.com>'],
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'Version' => '$Revision$',
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'Platform' => [ 'windows','linux', 'osx', 'bsd', 'solaris' ],
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'SessionTypes' => [ 'meterpreter','shell' ]
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))
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register_options(
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[
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OptString.new('DOMAIN', [true, 'Domain ro perform SRV query against.'])
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], self.class)
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end
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# Run Method for when run command is issued
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def run
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srvrcd = [
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'_gc._tcp.', '_kerberos._tcp.', '_kerberos._udp.', '_ldap._tcp.',
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'_test._tcp.', '_sips._tcp.', '_sip._udp.', '_sip._tcp.', '_aix._tcp.',
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'_aix._tcp.', '_finger._tcp.', '_ftp._tcp.', '_http._tcp.', '_nntp._tcp.',
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'_telnet._tcp.', '_whois._tcp.', '_h323cs._tcp.', '_h323cs._udp.',
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'_h323be._tcp.', '_h323be._udp.', '_h323ls._tcp.',
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'_h323ls._udp.', '_sipinternal._tcp.', '_sipinternaltls._tcp.',
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'_sip._tls.', '_sipfederationtls._tcp.', '_jabber._tcp.',
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'_xmpp-server._tcp.', '_xmpp-client._tcp.', '_imap.tcp.',
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'_certificates._tcp.', '_crls._tcp.', '_pgpkeys._tcp.',
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'_pgprevokations._tcp.', '_cmp._tcp.', '_svcp._tcp.', '_crl._tcp.',
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'_ocsp._tcp.', '_PKIXREP._tcp.', '_smtp._tcp.', '_hkp._tcp.',
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'_hkps._tcp.', '_jabber._udp.','_xmpp-server._udp.', '_xmpp-client._udp.',
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'_jabber-client._tcp.', '_jabber-client._udp.','_kerberos.tcp.dc._msdcs.',
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'_ldap._tcp.ForestDNSZones.'
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]
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domain = datastore['DOMAIN']
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print_status("Performing DNS SRV Record Lookup for Domain #{domain}")
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i, a = 0, []
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if session.type =~ /shell/
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# Only one thread possible when shell
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thread_num = 1
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else
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# When Meterpreter the safest thread number is 10
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thread_num = 10
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end
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srvrcd.each do |srv|
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# Set count option for ping command
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plat = session.platform
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case plat
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when /win/i
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ns_opt = " -query=srv #{srv}#{domain}"
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cmd = "nslookup"
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when /solaris/i
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ns_opt = " -t srv #{srv}#{domain}"
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cmd = "/usr/sbin/host"
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else
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ns_opt = " -t srv #{srv}#{domain}"
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cmd = "/usr/bin/host"
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end
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if i <= thread_num
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a.push(::Thread.new {
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r = cmd_exec(cmd, ns_opt)
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case plat
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when /win/
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if r =~ /\s*internet\saddress\s\=\s/
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nslookup_srv_consume("#{srv}#{domain}", r).each do |f|
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print_status("\t#{f[:srv]} #{f[:target]} #{f[:port]} #{f[:ip]}")
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end
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end
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else
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found = host_srv_consume(r)
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if found
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found.each do |f|
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print_status("\t#{f[:srv]} #{f[:target]} #{f[:port]} #{f[:ip]}")
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end
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end
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end
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})
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i += 1
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else
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sleep(0.05) and a.delete_if {|x| not x.alive?} while not a.empty?
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i = 0
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end
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end
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a.delete_if {|x| not x.alive?} while not a.empty?
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end
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def nslookup_srv_consume(srv,ns_out)
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srv_records = []
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records = ns_out.split(srv)
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# Get host to IP mapping
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ip_map = {}
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records.last.each_line do |e|
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if e =~ /internet\saddress/i
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host,ip = e.split(/\s*internet\saddress\s\=\s/)
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ip_map[host.strip] = ip.strip
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end
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end
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# Get SRV parameter for each record
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records.each do |r|
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if r =~ /svr hostname/
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rcrd ={}
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rcrd[:srv] = srv
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rcrd[:port] = r.scan(/port\s*=\s(\d*)/).join
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rcrd[:target] = r.scan(/svr hostname\s*=\s(\S*)/).join
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if not Rex::Socket.dotted_ip?(rcrd[:target])
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w_get_ip(rcrd[:target]).each do |i|
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rcrd[:ip] = i
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report_host(:host => rcrd[:ip].strip, :name => rcrd[:target])
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# Report on the service found
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srv_info = rcrd[:srv].scan(/^_(\S*)\._(\w*)\./)[0]
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report_service(:host=> rcrd[:ip].strip,
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:port => rcrd[:port].to_i,
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:proto => srv_info[1],
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:name => srv_info[0],
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:host_name => rcrd[:target]
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)
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srv_records << rcrd
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end
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else
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rcrd[:ip] = ip_map[rcrd[:target]]
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# Report hosts found
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report_host(:host => rcrd[:ip].strip, :name => rcrd[:target])
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# Report on the service found
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srv_info = rcrd[:srv].scan(/^_(\S*)\._(\w*)\./)[0]
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report_service(:host=> "1.2.3.4",
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:port => rcrd[:port].to_i,
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:proto => srv_info[1],
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:name => srv_info[0],
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:host_name => rcrd[:target]
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)
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srv_records << rcrd
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end
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end
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end
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return srv_records
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end
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# Get I{ for a given host using host, returns array
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def get_ip(host)
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ip_add = []
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cmd_exec("host"," #{host}").each_line do |l|
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ip =""
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ip = l.scan(/has address (\S*)$/).join
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ip_add << ip if ip != ""
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end
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return ip_add
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end
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# Get IP for given host with nslookup, return array
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def w_get_ip(host)
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ips =[]
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data = cmd_exec("nslookup #{host}")
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if data =~ /Name/
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# Remove unnecessary data and get the section with the addresses
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returned_data = data.split(/Name:/)[1]
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# check each element of the array to see if they are IP
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returned_data.gsub(/\r\n\t |\r\n|Aliases:|Addresses:|Address:/," ").split(" ").each do |e|
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if Rex::Socket.dotted_ip?(e)
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ips << e
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end
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end
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end
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return ips
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end
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def host_srv_consume(host_out)
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srv_records = []
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# Parse for SRV Records
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host_out.each_line do |l|
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if l =~ /has SRV/
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record,port,target = l.scan(/(\S*) has SRV record \d*\s\d*\s(\d*)\s(\S*)/)[0]
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if Rex::Socket.dotted_ip?(target)
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rcrd ={}
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rcrd[:srv] = record
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rcrd[:port] = port
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rcrd[:target] = target
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rcrd[:ip] = target
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srv_records << rcrd
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# Report hosts found
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report_host(:host => rcrd[:ip], :name => rcrd[:target])
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# Report on the service found
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srv_info = rcrd[:srv].scan(/^_(\S*)\._(\w*)\./)[0]
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report_service(:host=> rcrd[:ip],
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:port => rcrd[:port],
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:proto => srv_info[1],
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:name => srv_info[0],
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:host_name => rcrd[:target]
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)
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else
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get_ip(target).each do |i|
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rcrd ={}
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rcrd[:srv] = record
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rcrd[:port] = port
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rcrd[:target] = target
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rcrd[:ip] = i
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srv_records << rcrd
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# Report hosts found
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report_host(:host => rcrd[:ip], :name => rcrd[:target])
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# Report on the service found
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srv_info = rcrd[:srv].scan(/^_(\S*)\._(\w*)\./)[0]
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report_service(:host=> rcrd[:ip],
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:port => rcrd[:port].to_i,
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:proto => srv_info[1],
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:name => srv_info[0],
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:host_name => rcrd[:target]
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)
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end
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end
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end
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end
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return srv_records
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end
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end
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