64 lines
1.7 KiB
Ruby
64 lines
1.7 KiB
Ruby
##
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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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class Metasploit3 < Msf::Auxiliary
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def initialize
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super(
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'Name' => 'VSploit DNS Beaconing Emulation',
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'Description' => 'This module takes a list and emulates malicious DNS beaconing.',
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'Author' => 'MJC',
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'License' => MSF_LICENSE
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)
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register_options(
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[
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OptString.new('DOMAINS', [ true, "Separate Domains by whitespace"]),
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OptString.new('DNS_SERVER',[false, "Specifies a DNS Server"]),
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OptInt.new('COUNT', [false, "Number of intervals to loop",2]),
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OptInt.new('DELAY', [false, "Delay in seconds between intervals",3])
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],self.class)
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end
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def run
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@res = Net::DNS::Resolver.new()
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#@res.retry = 2
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if datastore['DNS_SERVER']
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@res.nameservers = datastore['DNS_SERVER']
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end
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count = 0
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while count < datastore['COUNT']
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domain = datastore['DOMAINS'].split(/[\s,]+/)
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domain.each do |name|
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query = @res.query(name, "A")
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time = Time.new
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time = time.strftime("%Y-%m-%d %H:%M:%S")
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print_status("#{time} - DNS Query sent for => #{name}")
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if query.answer.length == 0
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print_error("#{time} - #{name} => No Record Found")
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else
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a = query.answer[0].to_s.split(/[\s,]+/)
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print_status("#{time} - #{name} => #{a[-1]}")
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end
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end
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unless count == (datastore['COUNT'] - 1)
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time = Time.new
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time = time.strftime("%Y-%m-%d %H:%M:%S")
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print_status("#{time} - Waiting #{datastore['DELAY']} seconds to beacon")
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select(nil, nil, nil, datastore['DELAY'])
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end
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count += 1
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end
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end
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end
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