This detection rule identifies potential misuse of Traffic Mirroring within Amazon Elastic Compute Cloud (EC2) instances. Traffic Mirroring is a feature that allows users to copy network traffic from Elastic network interfaces for monitoring and analysis purposes. However, this capability can be exploited by malicious actors to exfiltrate sensitive data from unencrypted network traffic. The rule triggers alerts when specific events related to the creation of traffic mirroring configurations (e.g., CreateTrafficMirrorFilter, CreateTrafficMirrorSession, etc.) are detected in the AWS CloudTrail logs. Investigating these alerts is crucial, as they may indicate unauthorized attempts to capture network data. The rule also highlights the importance of verifying the legitimacy of the users initiating these actions, reviewing network traffic patterns for signs of unauthorized data transfer, and implementing appropriate response measures, such as isolating affected EC2 instances and conducting audits of user activity.