Powershell Encoded Command Execution

Looks for valid variations of the -EncodedCommand parameter. Commonly used to encode or obfuscate commands, and not all occurrences are malicious.

Detection logic

Detection requirements

Platform: ESXi Linux macOS Network Devices Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: securityevent
Log source service: securityevent

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Detection rules

Powershell Encoded Command Execution

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules