UnknownMicrosoft Sentinel analytics
Top 10 Domains sending Malicious Emails (Malware+Phish+Spam)
Identifies the top 10 sender domains delivering inbound emails classified as malware, phishing, or spam. Based on Defender for Office 365 workbook:…
Description
Identifies the top 10 sender domains delivering inbound emails classified as malware, phishing, or spam. Based on Defender for Office 365 workbook: https://techcommunity.microsoft.com/blog/microsoftdefenderforoffice365blog/part-2-build-custom-email-security-reports-and-dashboards-with-workbooks-in-micr/4411303
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
- emailevents
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
- af183f01-6d98-4fca-8ca4-63577b78a26e
- Tagged by the source as
- InitialAccess
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Sep 4, 2026
- Version
- 2