Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
1,735 detections
Filters
Last updated
All Time
Detection languages
1,216
144
98
80
59
Contributors
496
324
298
171
55
Categories
20,440
11,814
5,871
5,145
4,864
1,735
Platforms
1,163
328
260
244
163
Products / Services
1,244
200
166
146
138
MITRE Techniques
983
923
765
247
245
CVEs
2
1
IDS Classtypes
68
33
19
10
8
IDS Protocols
90
24
15
15
KQL Query
KQL Query from file: Enhanced Cloudflare Phishing Email Detections
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
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
This query visualises total emails with Spoof-DMARC fails detections summarizing the data by the top email sender P2 domain (SenderFromDomain) and sender P1 domain (SenderMailFromDomain).
This query visualises total emails with Phish-Spoof-external domain detections summarizing the data by the top 10 email sender P2 domain (SenderFromDomain) and sender P1 domain (SenderMailFromDomain).
This query visualises emails submitted as false negatives by users where emails were already detected by MDO but there was a policy override.
Page 75 of 83