Hillstone Networks

'; } 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'; } ?>

RULE（RULE ID：717152）

Rule General Information


Release Date:		2025-07-15

Rule Name:		Cobalt Strike Default Certificate Detection

Severity:

CVE ID:

Rule Protection Details


Description:		Cobalt Strike is a professional penetration test and red team operation tool with powerful command and control (C2) capabilities and rich post-penetration modules for port forwarding, service scanning, automated overflow, multi-mode port listening and more. This rule identifies the C2 communication by detecting the default certificate of Cobalt Strike server.

Impact:		An attacker could exploit this vulnerability to have unspecified effect.

Affected OS:		Windows, Linux, Others

Reference:

Solutions

Isolate host, kill malicious processes, remove persistent backdoors (services/scheduled tasks/registry), patch vulnerabilities, reset system. Audit logs.