Elastic high stable kql

AWS SSM Command Document Created by Rare User

Identifies when an AWS Systems Manager (SSM) command document is created by a user or role who does not typically perform this action. Adversaries may create SSM command documents to execute commands on managed instances, potentially leading to unauthorized access, command and control, data exfiltration and more.

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Detection Logic

data_stream.dataset: "aws.cloudtrail"
    and event.provider: "ssm.amazonaws.com"
    and event.action: "CreateDocument"
    and event.outcome: "success"
    and aws.cloudtrail.flattened.response_elements.documentDescription.documentType: "Command"

False Positives

⚠ Legitimate users may create SSM command documents for legitimate purposes. Ensure that the document is authorized and the user is known before taking action.

Field Validations

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