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Potential Persistence Via Microsoft Office Add-In

Detects potential persistence activity via startup add-ins that load when Microsoft Office starts (.wll/.xll are simply .dll fit for Word or Excel).

Detection logic

Detection requirements

Platform
Office SuiteWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
windows
Log source category
file_event

Known benign triggers

  • Legitimate add-ins

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