Corelight - SMTP Email containing NON Ascii Characters within the Subject

Detects where an emails contain non ascii characters within the Subject.

Detection logic

Detection requirements

Platform: Identity Provider Linux macOS Office Suite SaaS Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: corelight
Log source service: corelight_smtp

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Detection rules

Corelight - SMTP Email containing NON Ascii Characters within the Subject

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules