AWS Route 53 Domain Transfer Lock Disabled — Sigma Rule

Rule metadata and linked tags

Author: Elastic, Austin Songer @austinsonger. Source status: test; severity: low. Source dates: 2021-07-22 / 2022-10-09.

{
  "product": "aws",
  "service": "cloudtrail"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 01ef84303522ac1e74f2216723aff340337ad0eb195cf74ed55c22a48af065cb

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: AWS Route 53 Domain Transfer Lock Disabled
id: 3940b5f1-3f46-44aa-b746-ebe615b879e0
status: test
description: Detects when a transfer lock was removed from a Route 53 domain. It is recommended to refrain from performing this action unless intending to transfer the domain to a different registrar.
references:
    - https://github.com/elastic/detection-rules/blob/c76a39796972ecde44cb1da6df47f1b6562c9770/rules/integrations/aws/persistence_route_53_domain_transfer_lock_disabled.toml
    - https://docs.aws.amazon.com/Route53/latest/APIReference/API_Operations_Amazon_Route_53.html
    - https://docs.aws.amazon.com/Route53/latest/APIReference/API_domains_DisableDomainTransferLock.html
author: Elastic, Austin Songer @austinsonger
date: 2021-07-22
modified: 2022-10-09
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.credential-access
    - attack.t1098
logsource:
    product: aws
    service: cloudtrail
detection:
    selection:
        eventSource: route53.amazonaws.com
        eventName: DisableDomainTransferLock
    condition: selection
falsepositives:
    - A domain transfer lock may be disabled by a system or network administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. Activity from unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
level: low

Original YAML and metadata in JSON

False positives

• A domain transfer lock may be disabled by a system or network administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. Activity from unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted from the rule.

Source references

• https://github.com/elastic/detection-rules/blob/c76a39796972ecde44cb1da6df47f1b6562c9770/rules/integrations/aws/persistence_route_53_domain_transfer_lock_disabled.toml
• https://docs.aws.amazon.com/Route53/latest/APIReference/API_Operations_Amazon_Route_53.html
• https://docs.aws.amazon.com/Route53/latest/APIReference/API_domains_DisableDomainTransferLock.html