90 lines
2.5 KiB
Ruby
90 lines
2.5 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( 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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'Platform' => %w{ bsd linux osx solaris win },
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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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])
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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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print_status("Performing DNS Reverse Lookup for IP range #{iprange}")
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iplst = []
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a = []
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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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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 !iplst.nil? && !iplst.empty?
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1.upto session.max_threads do
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a << framework.threads.spawn("Module(#{self.refname})", false, iplst.shift) do |ip_add|
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next if ip_add.nil?
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r = cmd_exec(cmd, " #{ip_add}")
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case session.platform
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when 'windows'
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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_add} is #{hostname[1].chomp("\n")}"
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report_host({
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:host => ip_add,
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:name => hostname[1].strip
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})
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end
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else
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vprint_status("#{ip_add} 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_add} is #{hostname}"
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report_host({
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:host => ip_add,
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:name => hostname.strip
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})
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else
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vprint_status("#{ip_add} does not have a Reverse Lookup Record")
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end
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end
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end
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a.map {|x| x.join }
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end
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end
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end
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end
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