128 lines
2.9 KiB
Ruby
128 lines
2.9 KiB
Ruby
##
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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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# 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 '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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def initialize(info={})
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super( update_info( info,
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'Name' => 'Multi Gather DNS Reverse Lookup Scan',
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'Description' => %q{
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Performs DNS reverse lookup using the OS included DNS query command.
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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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OptAddressRange.new('RHOSTS', [true, 'IP Range to perform reverse lookup 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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iprange = datastore['RHOSTS']
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found_hosts = []
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print_status("Performing DNS Reverse Lookup for IP range #{iprange}")
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iplst = []
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i, a = 0, []
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ipadd = Rex::Socket::RangeWalker.new(iprange)
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numip = ipadd.num_ips
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while (iplst.length < numip)
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ipa = ipadd.next_ip
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if (not ipa)
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break
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end
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iplst << ipa
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end
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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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iplst.each do |ip|
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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 = " #{ip}"
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cmd = "nslookup"
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when /solaris/i
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ns_opt = " #{ip}"
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cmd = "/usr/sbin/host"
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else
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ns_opt = " #{ip}"
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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 =~ /(Name)/
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r.scan(/Name:\s*\S*\s/) do |n|
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hostname = n.split(": ")
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print_good "\t #{ip} is #{hostname[1].chomp("\n")}"
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report_host({
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:host => ip,
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:name => hostname[1].strip,
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:comm => "Discovered thru post reverse DNS lookup"
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})
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end
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else
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vprint_status("#{ip} does not have a Reverse Lookup Record")
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end
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else
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if r !~ /not found/i
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hostname = r.scan(/domain name pointer (\S*)\./).join
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print_good "\t #{ip} is #{hostname}"
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report_host({
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:host => ip,
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:name => hostname.strip,
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:comm => "Discovered thru post reverse DNS lookup"
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})
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else
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vprint_status("#{ip} does not have a Reverse Lookup Record")
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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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end
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