AWS ElastiCache Security Group Modified or Deleted

AWS ElastiCache Security Group Modified or Deletededit

Identifies when an ElastiCache security group has been modified or deleted.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-aws.cloudtrail-*

Severity: low

Risk score: 21

Runs every: 10m

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

Maximum alerts per execution: 100

References:

Tags:

  • Domain: Cloud
  • Data Source: AWS
  • Data Source: Amazon Web Services
  • Tactic: Defense Evasion

Version: 206

Rule authors:

  • Austin Songer

Rule license: Elastic License v2

Investigation guideedit

Setupedit

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

Rule queryedit

event.dataset:aws.cloudtrail and event.provider:elasticache.amazonaws.com and event.action:("Delete Cache Security Group" or
"Authorize Cache Security Group Ingress" or  "Revoke Cache Security Group Ingress" or "AuthorizeCacheSecurityGroupEgress" or
"RevokeCacheSecurityGroupEgress") and event.outcome:success

Framework: MITRE ATT&CKTM