LoFP / a group may be created by a system or network administrator. verify whether the user identity, user agent, and/or hostname should be making changes in your environment. group creations by unfamiliar users or hosts should be investigated. if known behavior is causing false positives, it can be exempted from the rule.

Techniques

• T1136

Sample rules

AWS IAM Group Creation

• source: elastic
• technicques:
  • T1136

Description

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.

Detection logic

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