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

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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.

Attribute Value
Type Hunting Query
Solution Hybrid Attack - Cloud & Identity
ID fed80b62-1836-4e06-a01f-7ec467d46e24
Tactics Exfiltration
Techniques T1530
Required Connectors AzureStorageAccount
Source View on GitHub

Tables Used

This content item queries data from the following tables:

Table Selection Criteria Transformations Ingestion API Lake-Only
StorageBlobLogs CallerIpAddress startswith "10."
CallerIpAddress startswith "127."
CallerIpAddress startswith "169.254."
CallerIpAddress startswith "172."
CallerIpAddress startswith "192.168."
StatusCode in "200,206"
UserAgentHeader contains "rubrik"

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