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

Techniques

• T1531

Sample rules

AWS IAM Group Deletion

• source: elastic
• technicques:
  • T1531

Description

Identifies the deletion of a specified AWS Identity and Access Management (IAM) resource group. Deleting a resource group does not delete resources that are members of the group; it only deletes the group structure.

Detection logic

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