Custom detection-Emails with QR from non-prevalent senders

In this detection, we check the sender prevalence over the last 14 days and use the same to detect malicious activity via email containing QR code

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: microsoftthreatprotection
Log source service: emailevents emailurlinfo

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Detection rules

Custom detection-Emails with QR from non-prevalent senders

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules