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UnknownMicrosoft Sentinel analytics

Azure Storage Access via AccountKey or SAS Token from First-Seen External IP

Detects Azure Blob Storage access using AccountKey or SAS token authentication from an external IP address not seen in the prior 7-day baseline for that storage account. Consistent with a stolen storage credential…

Description

Detects Azure Blob Storage access using AccountKey or SAS token authentication from an external IP address not seen in the prior 7-day baseline for that storage account. Consistent with a stolen storage credential being used from attacker-controlled infrastructure.

Detection logic

Detection requirements

Platform
IaaSOffice SuiteSaaS

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

Log source product
azurestorageaccount
Log source service
storagebloblogs

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