Which malware type exploits firmware used for management operations to execute malicious code within the CPU?

Which malware type exploits firmware used for management operations to execute malicious code within the CPU?

• A. CPU-based malware
• B. Macro-based malware
• C. Device-based malware
• D. Disk-based malware

Answer: (A)

Malware that hides in firmware and runs inside the processor itself is a CPU-based (firmware-level) threat. By leveraging the firmware that manages or initializes the CPU and its operations, this type of malware executes code directly within the CPU’s execution environment. That placement gives it very high privileges, persistence across reboots, and often stealth against standard OS defenses, which is why the description of exploiting firmware used for management operations to run code inside the CPU points to CPU-based malware. Macro-based malware relies on macros in documents, not firmware or the CPU. Disk-based malware runs from storage media, not inside the CPU. Device-based malware targets hardware devices but doesn’t inherently imply execution inside the processor itself.

Malware that hides in firmware and runs inside the processor itself is a CPU-based (firmware-level) threat. By leveraging the firmware that manages or initializes the CPU and its operations, this type of malware executes code directly within the CPU’s execution environment. That placement gives it very high privileges, persistence across reboots, and often stealth against standard OS defenses, which is why the description of exploiting firmware used for management operations to run code inside the CPU points to CPU-based malware.

Macro-based malware relies on macros in documents, not firmware or the CPU. Disk-based malware runs from storage media, not inside the CPU. Device-based malware targets hardware devices but doesn’t inherently imply execution inside the processor itself.