huntrule

Malicious HackTool - F-Secure C3 Load by Rundll32 (via process_creation)

This rule detects F-Secure C3 produces DLLs with a default exported StartNodeRelay function.

SigmacriticalWindowsv1
Full detection rule

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Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.