Operation FrostBeacon: Multi-Cluster Cobalt Strike Campaign Targets Russia

Operation FrostBeacon: Multi-Cluster Cobalt Strike Campaign Targets Russia Contents Introduction Key Targets Geographical Focus Industries Affected LNK Cluster Initial Access: Archive Delivery Phishing Email and Decoys Malicious LNK and HTA Loader Obfuscated PowerShell Payload CVE Cluster Phishing Emails Chaining CVEs Infrastructure and Attribution Conclusion Seqrite Protection IOCs MITRE TTPs Authors Introduction Seqrite Labs has identified […]

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December 8, 2025
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