Florian Roth
24 lines
966 B
YAML
24 lines
966 B
YAML
title: Azure Suppression Rule Created
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id: 92cc3e5d-eb57-419d-8c16-5c63f325a401
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description: Identifies when a suppression rule is created in Azure. Adversary's could attempt this to evade detection.
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author: Austin Songer
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status: experimental
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date: 2021/08/16
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references:
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- https://docs.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations
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logsource:
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product: azure
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service: activitylogs
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detection:
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selection:
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properties.message:
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- MICROSOFT.SECURITY/ALERTSSUPPRESSIONRULES/WRITE
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condition: selection
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level: medium
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tags:
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- attack.impact
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falsepositives:
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- Suppression Rule being created may be performed by a system administrator.
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- Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
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- Suppression Rule created from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
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