Base64 encoded Windows process command-lines

Identifies instances of a base64-encoded PE file header seen in the process command line parameter.

Detection logic

Detection requirements

Platform: Containers ESXi IaaS Identity Provider Linux macOS Network Devices Office Suite SaaS Windows
The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.
Log source product: securityevents windowsforwardedevents windowssecurityevents
Log source service: securityevent windowsevent

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Detection rules

Base64 encoded Windows process command-lines

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules