Azure Storage Bulk Download via AccountKey or SAS Token from External IP

Hunts for bulk Azure Blob Storage downloads authenticated with AccountKey or SAS tokens from external IPs, indicating potential credential abuse and silent data Exfiltration.

Detection logic

Detection requirements

Platform: ESXi IaaS Linux macOS Office Suite SaaS Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: azurestorageaccount
Log source service: storagebloblogs

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Detection rules

Azure Storage Bulk Download via AccountKey or SAS Token from External IP

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules