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Rare Azure Activity Logs Event Failures

A machine learning job detected an unusual failure in an Azure Activity Logs message. These can be byproducts of attempted or successful persistence, privilege escalation, defense evasion, discovery, lateral…

Description

A machine learning job detected an unusual failure in an Azure Activity Logs message. These can be byproducts of attempted or successful persistence, privilege escalation, defense evasion, discovery, lateral movement, or collection.

Detection logic

Its licence does not clear it for publishing here

Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.

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Detection requirements

Platform
IaaSIdentity ProviderOffice SuiteSaaS

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Known benign triggers

  • Rare and unusual failures may indicate an impending service failure state. Rare and unusual user failure activity can also be due to manual troubleshooting or reconfiguration attempts by insufficiently privileged users, bugs in cloud automation scripts or workflows, or changes to IAM privileges.

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