107 lines
2.8 KiB
Ruby
107 lines
2.8 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Post
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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'Multi Gather DNS Forward Lookup Bruteforce',
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'Description' => %q{
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Brute force subdomains and hostnames via wordlist.
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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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'Platform' => %w[bsd linux osx solaris win],
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'SessionTypes' => [ 'meterpreter', 'shell' ]
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)
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)
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register_options(
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[
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OptString.new('DOMAIN', [true, 'Domain to do a forward lookup bruteforce against.']),
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OptPath.new('NAMELIST', [
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true, 'List of hostnames or subdomains to use.',
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::File.join(Msf::Config.data_directory, 'wordlists', 'namelist.txt')
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])
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]
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)
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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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domain = datastore['DOMAIN']
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hostlst = datastore['NAMELIST']
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a = []
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print_status("Performing DNS Forward Lookup Bruteforce for Domain #{domain}")
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name_list = []
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if ::File.exist?(hostlst)
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::File.open(hostlst).each do |n|
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name_list << n
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end
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end
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case session.platform
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when 'windows'
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cmd = 'nslookup'
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when 'solaris'
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cmd = '/usr/sbin/host '
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else
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cmd = '/usr/bin/host '
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end
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while !name_list.nil? && !name_list.empty?
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1.upto session.max_threads do
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a << framework.threads.spawn("Module(#{refname})", false, name_list.shift) do |n|
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next if n.nil?
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vprint_status("Trying #{n.strip}.#{domain}")
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r = cmd_exec(cmd, "#{n.strip}.#{domain}")
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case session.platform
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when 'windows'
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proccess_win(r, "#{n.strip}.#{domain}")
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else
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process_nix(r, "#{n.strip}.#{domain}")
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end
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end
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a.map(&:join)
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end
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end
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end
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# Process the data returned by nslookup
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def proccess_win(data, ns_opt)
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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:/, ' ').split(' ').each do |e|
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if Rex::Socket.dotted_ip?(e)
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print_good("#{ns_opt} #{e}")
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report_host(host: e, name: ns_opt.strip)
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end
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end
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end
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end
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# Process the data returned by the host command
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def process_nix(r, ns_opt)
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r.each_line do |l|
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data = l.scan(/(\S*) has address (\S*)$/)
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next if data.empty?
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data.each do |e|
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print_good("#{ns_opt} #{e[1]}")
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report_host(host: e[1], name: ns_opt.strip)
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end
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end
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end
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end
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