Possible Persistence Through Microsoft Office Add-In (via file_event)
This rule detects potential persistence behavior via startup add-ins that load when Microsoft Office starts (.wll/.xll are simply .dll fit for Word or Excel).
SigmahighWindowsv1
Full detection rule
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Sign in to unlockKnown 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.