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Trend Micro Research, News and Perspectives 1 year, 3 months ago

A Deep Dive into Water Gamayun’s Arsenal and Infrastructure

Trend Research discusses the delivery methods, custom payloads, and techniques used by Water Gamayun, the suspected Russian threat actor abusing a zero-day vulnerability in the Microsoft Management Console framework (CVE-2025-26633) to execute malicious code on infected machines.

Trend Micro Research, News and Perspectives 28 Mar 2025, 1:00 p.m. Actively exploited CVE-2025-26633 0-Day CVE Framework Infection Malicious Code Microsoft Research Russia Threat Actor Vulnerability

We recently discovered a new threat actor group that we dubbed Void Arachne. This group targets Chinese-speaking users with malicious Windows Installer (MSI) files in a recent campaign. These MSI files contain legitimate software installer files for AI software and other popular software but are bundled with malicious Winos payloads.

Trend Micro Research, News and Perspectives 19 Jun 2024, 12:00 p.m. Artificial Intelligence China Framework Microsoft Threat Actor