ValleyRAT

Reported Context (1)

Cato CTRL's July 2026 research shows Silver Fox (also tracked via its ValleyRAT/Winos 4.0 implant) moving beyond single-driver BYOVD into a reusable framework that can swap between three signed-but-vulnerable drivers: BYOVD Attacks Turn Signed Vulnerable Drivers into Kernel-Level Backdoors

CVE (2)

Malware (8)

Threat Actors (5)

MITRE ATT&CK (4)

Vendors (13)

Products (9)

Tools (3)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.