changing filename for dns_srv
jvazquez-r7
parent
374faf9b02
commit
d1ba860409
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@ -1,227 +0,0 @@
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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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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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require "net/dns/resolver"
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require 'rex'
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class Metasploit3 < Msf::Auxiliary
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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' => 'DNS Common Service Record Enumeration',
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'Description' => %q{
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This module enumerates common DNS service records in a given domain. By setting
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the ALL_DNS to true, all the name servers of a given domain are used for
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enumeration. Otherwise only the system dns is used for enumration. in order to get
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all the available name servers for the given domain the SOA and NS records are
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queried. In order to convert from domain names to IP addresses queries for A and
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AAAA (IPv6) records are used.
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},
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'Author' => [ 'Carlos Perez <carlos_perez[at]darkoperator.com>' ],
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'License' => BSD_LICENSE
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))
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register_options(
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[
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OptString.new('DOMAIN', [ true, "The target domain name."]),
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OptBool.new( 'ALL_NS', [ false, "Run against all name servers for the given domain.",false])
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], self.class)
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register_advanced_options(
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[
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OptInt.new('RETRY', [ false, "Number of times to try to resolve a record if no response is received.", 2]),
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OptInt.new('RETRY_INTERVAL', [ false, "Number of seconds to wait before doing a retry.", 2])
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], self.class)
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end
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def run
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records = []
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@res = Net::DNS::Resolver.new()
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if datastore['RETRY']
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@res.retry = datastore['RETRY'].to_i
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end
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if datastore['RETRY_INTERVAL']
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@res.retry_interval = datastore['RETRY_INTERVAL'].to_i
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end
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print_status("Enumerating SRV Records for #{datastore['DOMAIN']}")
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records = records + srvqry(datastore['DOMAIN'])
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if datastore["ALL_NS"]
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get_soa(datastore['DOMAIN']).each do |s|
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switchdns(s[:address])
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records = records + srvqry(datastore['DOMAIN'])
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end
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get_ns(datastore['DOMAIN']).each do |ns|
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switchdns(ns[:address])
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records =records + srvqry(datastore['DOMAIN'])
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end
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end
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records.uniq!
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records.each do |r|
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print_good("Host: #{r[:host]} IP: #{r[:address].to_s} Service: #{r[:service]} Protocol: #{r[:proto]} Port: #{r[:port]}")
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report_host(
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:host => r[:address].to_s,
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:name => r[:host]
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)
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report_service(
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:host=> r[:address].to_s,
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:port => r[:port].to_i,
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:proto => r[:proto],
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:name => r[:service],
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:host_name => r[:host]
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)
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end
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end
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def get_soa(target)
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results = []
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query = @res.query(target, "SOA")
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return results if not query
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(query.answer.select { |i| i.class == Net::DNS::RR::SOA}).each do |rr|
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if Rex::Socket.dotted_ip?(rr.mname)
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record = {}
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record[:host] = rr.mname
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record[:type] = "SOA"
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record[:address] = rr.mname
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results << record
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else
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get_ip(rr.mname).each do |ip|
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record = {}
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record[:host] = rr.mname.gsub(/\.$/,'')
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record[:type] = "SOA"
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record[:address] = ip[:address].to_s
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results << record
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end
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end
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end
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return results
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end
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def srvqry(dom)
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results = []
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#Most common SRV Records
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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.', '_ldap._tcp.dc._msdcs.', '_ldap._tcp.pdc._msdcs.',
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'_ldap._tcp.gc._msdcs.','_kerberos._tcp.dc._msdcs.','_kpasswd._tcp.','_kpasswd._udp.'
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]
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srvrcd.each do |srvt|
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trg = "#{srvt}#{dom}"
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begin
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query = @res.query(trg , Net::DNS::SRV)
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next unless query
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query.answer.each do |srv|
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if Rex::Socket.dotted_ip?(srv.host)
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record = {}
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srv_info = srvt.scan(/^_(\S*)\._(tcp|udp)\./)[0]
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record[:host] = srv.host.gsub(/\.$/,'')
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record[:type] = "SRV"
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record[:address] = srv.host
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record[:srv] = srvt
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record[:service] = srv_info[0]
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record[:proto] = srv_info[1]
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record[:port] = srv.port
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record[:priority] = srv.priority
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results << record
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vprint_status("SRV Record: #{trg} Host: #{srv.host.gsub(/\.$/,'')} IP: #{srv.host} Port: #{srv.port} Priority: #{srv.priority}")
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else
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get_ip(srv.host.gsub(/\.$/,'')).each do |ip|
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record = {}
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srv_info = srvt.scan(/^_(\S*)\._(tcp|udp)\./)[0]
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record[:host] = srv.host.gsub(/\.$/,'')
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record[:type] = "SRV"
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record[:address] = ip[:address]
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record[:srv] = srvt
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record[:service] = srv_info[0]
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record[:proto] = srv_info[1]
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record[:port] = srv.port
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record[:priority] = srv.priority
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results << record
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vprint_status("SRV Record: #{trg} Host: #{srv.host} IP: #{ip[:address]} Port: #{srv.port} Priority: #{srv.priority}")
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end
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end
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end
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rescue
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end
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end
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return results
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end
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def get_ip(host)
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results = []
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query = @res.search(host, "A")
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if (query)
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query.answer.each do |rr|
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if rr.type == "CNAME"
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results = results + get_ip(rr.cname)
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else
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record = {}
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record[:host] = host
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record[:type] = "AAAA"
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record[:address] = rr.address.to_s
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results << record
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end
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end
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end
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query1 = @res.search(host, "AAAA")
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if (query1)
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query1.answer.each do |rr|
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if rr.type == "CNAME"
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results = results + get_ip(rr.cname)
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else
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record = {}
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record[:host] = host
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record[:type] = "AAAA"
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record[:address] = rr.address.to_s
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results << record
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end
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end
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end
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return results
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end
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def switchdns(ns)
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vprint_status("Enumerating SRV Records on: #{ns}")
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@res.nameserver=(ns)
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@nsinuse = ns
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end
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def get_ns(target)
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results = []
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query = @res.query(target, "NS")
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return results if not query
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(query.answer.select { |i| i.class == Net::DNS::RR::NS}).each do |rr|
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get_ip(rr.nsdname).each do |r|
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record = {}
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record[:host] = rr.nsdname.gsub(/\.$/,'')
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record[:type] = "NS"
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record[:address] = r[:address].to_s
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results << record
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end
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end
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return results
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end
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end
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