GCP IAM Role Deletion

Elastic Stack Serverless Security

Identifies an Identity and Access Management (IAM) role deletion in Google Cloud Platform (GCP). A role contains a set of permissions that allows you to perform specific actions on Google Cloud resources. An adversary may delete an IAM role to inhibit access to accounts utilized by legitimate users.

Rule type: query

Rule indices:

• filebeat-*
• logs-gcp*

Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: None (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)

Maximum alerts per execution: 100

References:

• https://cloud.google.com/iam/docs/understanding-roles

Tags:

• Elastic
• Cloud
• GCP
• Continuous Monitoring
• SecOps
• Identity and Access

Version: 6

Rule authors:

• Elastic

Rule license: Elastic License v2

The GCP Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

event.dataset:(googlecloud.audit or gcp.audit) and event.action:google.iam.admin.v*.DeleteRole and event.outcome:success

Framework: MITRE ATT&CKTM

• Tactic:

  • Name: Impact
  • ID: TA0040
  • Reference URL: https://attack.mitre.org/tactics/TA0040/

• Technique:

  • Name: Account Access Removal
  • ID: T1531
  • Reference URL: https://attack.mitre.org/techniques/T1531/