Elastic Security Detection Rules

Azure Storage Account Key Regenerated

Last updated 7 months ago on 2025-01-15
Created 5 years ago on 2020-08-19

About

Identifies a rotation to storage account access keys in Azure. Regenerating access keys can affect any applications or Azure services that are dependent on the storage account key. Adversaries may regenerate a key as a means of acquiring credentials to access systems and resources.
Tags
Domain: CloudData Source: AzureUse Case: Identity and Access AuditTactic: Credential AccessLanguage: kuery
Severity
low
Risk Score
21
MITRE ATT&CK™

Credential Access (TA0006)(opens in a new tab or window)

↳ Steal Application Access Token (T1528)(opens in a new tab or window)

False Positive Examples
It's recommended that you rotate your access keys periodically to help keep your storage account secure. Normal key rotation can be exempted from the rule. An abnormal time frame and/or a key rotation from unfamiliar users, hosts, or locations should be investigated.
License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Query (Kibana Query Language)
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
filebeat-*logs-azure*
Related Integrations

azure(opens in a new tab or window)

Query
event.dataset:azure.activitylogs and azure.activitylogs.operation_name:"MICROSOFT.STORAGE/STORAGEACCOUNTS/REGENERATEKEY/ACTION" and event.outcome:(Success or success)

Install detection rules in Elastic Security

Detect Azure Storage Account Key Regenerated in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).