Elastic medium stable eql

AWS IAM AdministratorAccess Policy Attached to Role

An adversary with access to a set of compromised credentials may attempt to persist or escalate privileges by attaching additional permissions to compromised IAM roles. This rule looks for use of the IAM AttachRolePolicy API operation to attach the highly permissive AdministratorAccess AWS managed policy to an existing IAM role.

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Detection Logic

iam where data_stream.dataset == "aws.cloudtrail"
   and event.provider == "iam.amazonaws.com"
   and event.action == "AttachRolePolicy"
   and event.outcome == "success"
   and stringContains(aws.cloudtrail.request_parameters, "policyArn=arn:aws:iam::aws:policy/AdministratorAccess")

False Positives

⚠ While this can be normal behavior, it should be investigated to ensure validity. Verify whether the user identity should be using the IAM `AttachRolePolicy` API operation to attach the `AdministratorAccess` policy to the target role.

Field Validations

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