'; } else{ echo ''; } echo 'Hillstone Networks'; } elseif ($_SERVER[HTTP_HOST] == "update1.huaantech.com.cn") { echo ''; echo 'huaantech'; } elseif ($_SERVER[HTTP_HOST] == "update1.dcnetworks.com.cn") { echo ''; echo 'dcnetworks'; } elseif ($_SERVER[HTTP_HOST] == "update1.w-ibeda.com") { if (false===strpos($_SERVER[REQUEST_URI],"/en/")) echo ''; else echo ''; echo 'w-ibeda'; } elseif ($_SERVER[HTTP_HOST] == "update1.hp-telecom.com") { echo ''; echo 'hp-telecom'; } elseif ($_SERVER[HTTP_HOST] == "update1.maipu.com") { echo ''; echo 'Maipu'; } elseif ($_SERVER[HTTP_HOST] == "update1.ncurity.com") { echo ''; echo 'Ncurity'; } elseif ($_SERVER[HTTP_HOST] == "update1.socusnetwork.com") { echo ''; echo 'Socusnetwork'; } else{ echo ''; echo 'Hillstone Networks'; } ?>
 
   
 

mal_trojan:trojan_x_key_or_x_file（Rule ID：1090200000）

Release Date：2025/9/15

Rule Name：Trojan Backdoor Access: Request Headers

Severity：critical

CVE ID：

 

Descripiton：

Trojan is a specical program aiming to control another host, which contains two executable programs called controller and controlled end. Trojan conceals itself to be downloaded and executed by users, opens backdoor to controller. Controller may steal or destroy arbitrary files on controlled system, or even manipulate the controlled system. This rule inspects specific headers in HTTP request to prevent such attacks. This rule supports to defend the A1: Broken Access Control of OWASP Top 10 - 2021.
Other reference：None

 

Solution：

Update vendor patches.