Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
1,593 detections
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KQL Query
KQL Query from file: Enhanced Cloudflare Phishing Email Detections
KQL Query
KQL Query
KQL Query from file: Hunt for High Volume Phish ISP
This query helps in reviewing malicious emails allowed due to user overrides
KQL Query
Identifies the top 10 external sender addresses delivering inbound emails classified as spam.
If you want to exclude your own organization's domains (including subdomains), add a filter after the spam filter, e.g.:
| where SenderFromAddress !contains ".yourdomain.com"
(Replace "yourdomain.com" with your actual domain.)
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
If you want to exclude your own organization's domains (including subdomains), add a filter after the spam filter, e.g.:
| where SenderFromAddress !contains ".yourdomain.com"
(Replace "yourdomain.com" with your actual domain.)
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
KQL Query
KQL Query from file: Blob URIs creation trend analysis
KQL Query
KQL Query
KQL Query
This query visualises total emails with Phish (BEC) Spoof detections by Detection Technology
This query visualises total emails with Phish-Spoof-internal domain detections summarizing the data by the top 10 email sender P2 domain (SenderFromDomain) and sender P1 domain (SenderMailFromDomain).
This query visualises top outbound recipient domains by outbound email volume and shows total number of inbound emails with Threats from the same domains (as inbound senders)
This query visualises total emails with Phish (BEC) Impersonation detections by Detection Technology over time
Visualises malicious URL clicks that were allowed through Safe Links over time, helping analysts identify when users bypass security controls and click on malicious content.
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
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
Visualises the top 10 users with click attempts on URLs in emails detected as malware, helping analysts identify risky user behaviour and potential targets.
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
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
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