AWS S3 Bucket Configuration Deletion

Elastic Stack Serverless Security

Identifies the deletion of various Amazon Simple Storage Service (S3) bucket configuration components.

Rule type: query

Rule indices:

• filebeat-*
• logs-aws*

Severity: low

Risk score: 21

Runs every: 10m

Searches indices from: now-60m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)

Maximum alerts per execution: 100

References:

• https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteBucketPolicy.html
• https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteBucketReplication.html
• https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteBucketCors.html
• https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteBucketEncryption.html
• https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteBucketLifecycle.html

Tags:

• Elastic
• Cloud
• AWS
• Continuous Monitoring
• SecOps
• Asset Visibility

Version: 102

Rule authors:

• Elastic

Rule license: Elastic License v2

event.dataset:aws.cloudtrail and event.provider:s3.amazonaws.com and
  event.action:(DeleteBucketPolicy or DeleteBucketReplication or DeleteBucketCors or
                DeleteBucketEncryption or DeleteBucketLifecycle)
  and event.outcome:success

Framework: MITRE ATT&CKTM

• Tactic:

  • Name: Defense Evasion
  • ID: TA0005
  • Reference URL: https://attack.mitre.org/tactics/TA0005/

• Technique:

  • Name: Indicator Removal
  • ID: T1070
  • Reference URL: https://attack.mitre.org/techniques/T1070/