AWS Route Table Modified or Deletededit

Identifies when an AWS Route Table has been modified or deleted.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-aws*

Severity: low

Risk score: 21

Runs every: 10 minutes

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

Maximum alerts per execution: 100



  • Elastic
  • Cloud
  • AWS
  • Continuous Monitoring
  • SecOps
  • Network Security

Version: 1

Added (Elastic Stack release): 7.16.0

Rule authors: Elastic, Austin Songer

Rule license: Elastic License v2

Potential false positivesedit

Route Table could be modified or deleted by a system administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. Route Table being modified from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule. Also automated processes that uses Terraform may lead to false positives.

Investigation guideedit

## Config

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 and event.action:(ReplaceRoute
or ReplaceRouteTableAssociation or DeleteRouteTable or DeleteRoute or
DisassociateRouteTable) and event.outcome:success

Threat mappingedit