Elastic high stable kql

AWS DynamoDB Table Exported to S3

Identifies when an AWS DynamoDB table is exported to S3. Adversaries may use the ExportTableToPointInTime operation to collect sensitive information or exfiltrate data from DynamoDB tables. This rule detects unusual user activity by monitoring for the ExportTableToPointInTime action in CloudTrail logs. This is a New Terms rule that only flags when this behavior is observed by a user or role for the first time.

View Source

Detection Logic

data_stream.dataset: "aws.cloudtrail"
    and event.provider: "dynamodb.amazonaws.com"
    and event.action: "ExportTableToPointInTime"
    and event.outcome: "success"

False Positives

⚠ Legitimate users may export DynamoDB tables for various reasons, such as data analysis or backup purposes. Ensure that the user has the necessary permissions and that the ExportTableToPointInTime operation is authorized before taking action.

Field Validations

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