Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

837 detections

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
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
42166
KQL Query
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Steven Lim@KQLWizard
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SlimKQL
1 year ago
3029
KQL Query
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Steven Lim@KQLWizard
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SlimKQL
1 year ago
3028
KQL Query
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Steven Lim@KQLWizard
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SlimKQL
1 year ago
2025
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).
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
2058
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)
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
1058
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).
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
1038
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).
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
0038
This query visualises emails submitted as false negatives by users where emails were already detected by MDO but there was a policy override.
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
0038
Identifies the top 10 external sender addresses delivering inbound emails classified as malware.
If you want to exclude your own organization's domains (including subdomains), add a filter after the malware 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
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
8195
This query visualises top sender domains of inbound emails submitted as false negatives by users.
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
1036
This query visualises emails submitted as false negatives by users where emails were already detected by MDO but there was an admin definded policy override
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
0033
This query visualises total emails with Phish (BEC) Spoof detections by Detection Technology over time
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
1028
Summarizes URL click events by action type to help analysts understand user click behavior and policy effectiveness.
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
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
5040
Visualises the total amount of click attempts on URLs with detections, split by the different threat types identified.
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
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
2039
This query visualises top sender email addresses of intra-org emails submitted as false negatives by users.
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
0027
This query visualises top sender email addresses of inbound emails submitted as false negatives by users.
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
1026
This query visualises top 10 subjects of intra-org emails submitted as false negatives by users.
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
1023
This query visualises the total ammount of user false negative submissions from the junk folder
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
0023
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
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
1053
Identifies the top 10 users receiving inbound emails classified as malware, phishing, or spam.
Based on concepts from the Defender for Office 365 solution in Sentinel: https://techcommunity.microsoft.com/blog/microsoftdefenderforoffice365blog/part-2-build-custom-email-security-reports-and-dashboards-with-workbooks-in-micr/4411303
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
4153
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