Question 80
A public press image secretly contains encoded instructions that malware extracts after download. Which attack surface did the adversary exploit?
Explanation
Correct Answer
The file's image representation hides machine-readable malicious content despite looking like ordinary media. For this case, a public press image secretly contains encoded instructions that malware extracts after download. During an active compromise, containment limits the attacker’s reach while investigators preserve evidence; longer-term eradication and recovery follow different decision criteria. The competing choice “Credential stuffing through reused passwords” addresses a different mechanism: the technique does not try account passwords. That difference is material to the requested decision.
Incorrect Answers
No victim-saturating DNS responses are described. DNS determines how names resolve to network destinations; it is not by itself a mechanism for validating a human identity or code provenance. Here the decisive fact is a public press image secretly contains encoded instructions that malware extracts after download. “An image-based payload carrier” matches that requirement because the file's image representation hides machine-readable malicious content despite looking like ordinary media.
The technique does not try account passwords. Authentication checks a claimant, but it does not automatically narrow resource privileges or invalidate a different leaked secret. In the reported situation, a public press image secretly contains encoded instructions that malware extracts after download. The effective mechanism is “An image-based payload carrier”: the file's image representation hides machine-readable malicious content despite looking like ordinary media.
The payload arrives in a digital image, not by following someone inside. Physical mechanisms address passage or impact at a location; they cannot directly repair software validation and network authorization defects. Here the decisive fact is a public press image secretly contains encoded instructions that malware extracts after download. “An image-based payload carrier” matches that requirement because the file's image representation hides machine-readable malicious content despite looking like ordinary media.






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