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How to Find AWS CloudTrail Trails Without Log File Validation Enabled

Enabling log file validation will provide additional integrity checking of CloudTrail logs.

info

This security check is part of the CIS Amazon Web Services Benchmarks and is rated severity medium.

Prerequisites

This guide assumes that you have already installed and configured Resoto to collect your AWS resources.

Directions

  1. Execute the following search command in Resoto Shell or Resoto UI:

    > search is(aws_cloud_trail) and trail_status.is_logging==true and trail_log_file_validation_enabled==false
    ​kind=aws_cloud_trail, ..., region=resoto-poweruser
    ​kind=aws_cloud_trail, ..., account=poweruser-team
  2. Pipe the search command into the dump command:

    > search is(aws_cloud_trail) and trail_status.is_logging==true and trail_log_file_validation_enabled==false | dump
    ​reported:
    ​ id: /aws/cloudtrail/123
    ​ name: some-name
    ​ ctime: '2022-12-05T22:53:14Z'
    ​ kind: aws_cloud_trail
    ​ age: 2mo28d

    The command output will list the details of all non-compliant aws_cloud_trail resources.

Remediation

Ensure LogFileValidationEnabled is set to true for each trail.

note

Please refer to the AWS CloudTrail documentation for details.

Further Reading

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