Azure Key Vault Multi-Vault Secret Retrieval Burst by Application

Last updated 2 days ago on 2026-11-04

Created 3 days ago on 2026-11-03

About

Identifies a burst of successful Azure Key Vault secret retrievals by the same principal and application across multiple vaults. Adversaries with compromised application credentials may collect stored secrets at scale to access additional services or move laterally.

Tags

Domain: CloudDomain: IdentityData Source: AzureData Source: Azure Platform LogsUse Case: Threat DetectionTactic: Credential AccessRule Type: ES|QLPlatform: AzureService: Azure Key VaultLanguage: esql

Severity

medium

Risk Score

MITRE ATT&CK™

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

↳ Credentials from Password Stores (T1555)(external, opens in a new tab or window)

False Positive Examples

Authorized inventory jobs, secret migration tools, and multi-vault deployment pipelines may retrieve many secrets across several vaults within 15 minutes.

License

Elastic License v2(external, opens in a new tab or window)

Definition

Integration Pack: Prebuilt Security Detection Rules
Related Integrations: azure(external, opens in a new tab or window)
Query

✄𐘗text code block:
✄𐘗from logs-azure.platformlogs-* metadata _id, _index
| where data_stream.dataset == "azure.platformlogs"
  and event.action == "SecretGet"
  and azure.platformlogs.identity.claim.iss is not null and azure.platformlogs.identity.claim.iss != ""
  and azure.platformlogs.identity.claim.oid is not null and azure.platformlogs.identity.claim.oid != ""
  and azure.platformlogs.identity.claim.appid is not null and azure.platformlogs.identity.claim.appid != ""
  and azure.resource.id is not null and azure.resource.id != ""
  and KQL("azure.platformlogs.properties.httpStatusCode:200")
| eval Esql.time_window = date_trunc(15 minutes, @timestamp)
| stats
    Esql.secret_read_count = count(*),
    Esql.vault_count = count_distinct(azure.resource.id),
    Esql.vaults = values(azure.resource.id),
    Esql.source_ips = values(source.ip),
    Esql.first_seen = min(@timestamp),
    Esql.last_seen = max(@timestamp)
  by Esql.time_window, azure.platformlogs.identity.claim.iss, azure.platformlogs.identity.claim.oid,
    azure.platformlogs.identity.claim.appid
| where Esql.secret_read_count >= 20 and Esql.vault_count >= 3
| keep azure.platformlogs.identity.claim.iss, azure.platformlogs.identity.claim.oid,
    azure.platformlogs.identity.claim.appid, Esql.*

Install detection rules in Elastic Security

Detect Azure Key Vault Multi-Vault Secret Retrieval Burst by Application 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(external, opens in a new tab or window).