Detects the first time an AWS identity submits an AWS Batch job with a container command override ("containerOverrides.command"), indicating a runtime-modified execution environment. Command overrides allow the submitter to replace the default command of a job definition at submission time. This flexibility is commonly abused by adversaries to inject malicious commands or exfiltration logic into otherwise legitimate Batch compute environments without modifying the underlying job definition — making the malicious activity harder to detect through configuration review alone.

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