Amazon Bedrock console activity using a long-term access key
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Goal
Detect when there is an attempt to access console-only API calls through a long-term access key.
Strategy
Monitor CloudTrail and detect when there is an attempt to make API calls to console-only APIs. This means they shouldn’t be originating from a long-term access key. Attackers target the AWS Bedrock service generally for the purpose of hosting their own LLM service using the victim’s resources.
Triage and response
- Determine if the API call (
{{@evt.name}}) should have been made by the user ({{@userIdentity.arn}}) from this IP address ({{@network.client.ip}}). - If the action is legitimate, consider including the user in a suppression list. See Best practices for creating detection rules with Datadog Cloud SIEM for more information.
- If the action shouldn’t have happened:
- Contact the user:
{{@userIdentity.arn}} and see if they made the API call. - Use the Cloud SIEM - User Investigation dashboard to see if the user
{{@userIdentity.arn}} has taken other actions. - Use the Cloud SIEM - IP Investigation dashboard to see if there’s more traffic from the IP
{{@network.client.ip}}.
- If the results of the triage indicate that an attacker has taken the action, initiate your company’s incident response process, as well as an investigation.
