Malware
SYNful Knock
- First Reported
- Aug 20, 2025
- Latest Reported
- Aug 20, 2025
Reported Context (1)
- Static Tundra employs sophisticated persistence techniques including the historic SYNful Knock firmware implant (first reported in 2015) and bespoke SNMP tooling to maintain undetected access for multiple years. Static Tundra Targets Unpatched Cisco Network Devices in Long-Running Espionage Campaign
CVE (1)
Threat Actors (2)
MITRE ATT&CK (8)
Vendors (1)
Products (3)
Industries (3)
Countries (2)
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.