Storm-2603 Deploys Custom Malware Using BYOVD to Bypass Endpoint Protections

Threat Score:
53
GB Hackers
1 day ago

Overview

Storm-2603 Deploys Custom Malware Using BYOVD to Bypass Endpoint Protections Check Point Research (CPR) has delved into the operations of Storm-2603, a recently identified threat actor linked to Chinese advanced persistent threat (APT) groups, amid widespread exploitation of Microsoft SharePoint Server vulnerabilities known as “ToolShell.” This campaign exploits four critical CVEs CVE-2025-49704, CVE-2025-49706, CVE-2025-53770, and CVE-2025-53771 to facilitate intrusions, with Storm-2603 deployi...

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