AWS Access Secret in Secrets Manager

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An adversary may attempt to access the secrets in AWS Secrets Manager to steal certificates, credentials, or other sensitive material.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-aws*

Severity: high

Risk score: 73

Runs every: 10 minutes

Searches indices from: now-60m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Cloud
  • AWS
  • Continuous Monitoring
  • SecOps
  • Data Protection

Version: 4 (version history)

Added (Elastic Stack release): 7.9.0

Last modified (Elastic Stack release): 7.12.0

Rule authors: Nick Jones, Elastic

Rule license: Elastic License v2

Potential false positives

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Verify whether the user identity, user agent, and/or hostname should be using GetSecretString API for the specified SecretId. If a known behavior is causing false positives, it can be excluded from the rule.

Investigation guide

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The AWS Filebeat module must be enabled to use this rule.

Rule query

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event.dataset:aws.cloudtrail and
event.provider:secretsmanager.amazonaws.com and
event.action:GetSecretValue

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 4 (7.12.0 release)
  • Formatting only
Version 3 (7.11.2 release)
  • Formatting only
Version 2 (7.10.0 release)
  • Formatting only