huntrule

Suspicious Rundll32 Behavior Invoking Sys File (via process_creation)

This rule detects anomalous process related to rundll32 based on command line that includes a *.sys file as seen being used by UNC2452

SigmahighWindowsv1
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.