Suspicious sign-in attempts from QR code phishing campaigns
This detection approach correlates a user accessing an email with image/document attachments and a risky sign-in attempt from non-trusted devices.
Detection logic
Detection requirements
- Platform
- Identity ProviderLinuxmacOSOffice SuiteSaaSWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- microsoftthreatprotection
- Log source service
- aadsignineventsbetacloudappevents
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
No references are available for this detection.
From the source
- At source
- Open at source
- Upstream identifier
- 3131d0ba-32c9-483e-a25c-82e26a07e116
- Tagged by the source as
- InitialAccess
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Sep 1, 2026
- Version
- 1