AWS IAM Group Creation

Elastic Stack Serverless Security

Identifies the creation of a group in AWS Identity and Access Management (IAM). Groups specify permissions for multiple users. Any user in a group automatically has the permissions that are assigned to the group.

Rule type: query

Rule indices:

• filebeat-*
• logs-aws*

Severity: low

Risk score: 21

Runs every: 10m

Searches indices from: now-60m (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://awscli.amazonaws.com/v2/documentation/api/latest/reference/iam/create-group.html
• https://docs.aws.amazon.com/IAM/latest/APIReference/API_CreateGroup.html

Tags:

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

Version: 9

Rule authors:

• Elastic

Rule license: Elastic License v2

event.dataset:aws.cloudtrail and event.provider:iam.amazonaws.com and event.action:CreateGroup and event.outcome:success

Framework: MITRE ATT&CKTM

• Tactic:

  • Name: Persistence
  • ID: TA0003
  • Reference URL: https://attack.mitre.org/tactics/TA0003/

• Technique:

  • Name: Create Account
  • ID: T1136
  • Reference URL: https://attack.mitre.org/techniques/T1136/

• Sub-technique:

  • Name: Cloud Account
  • ID: T1136.003
  • Reference URL: https://attack.mitre.org/techniques/T1136/003/