Suspicious Access to Sensitive File Extensions

Detects known sensitive file extensions accessed on a network share

Detection logic

Detection requirements

Platform: Linux macOS Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: windows
Log source service: security

Known benign triggers

Help Desk operator doing backup or re-imaging end user machine or backup software
Users working with these data types or exchanging message files

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Detection rules

Suspicious Access to Sensitive File Extensions

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules