You're taking an exam on stealth techniques used by malicious actors. One part of the question highlights attacks that can be leveraged at system startup. What is the purpose of Rootkits in the context of UEFI malware?

$1$ point

Provides a means of logging the users input on the keyboard.

Provide additional security features to the system.

Hide malicious code within the system to gain backdoor entry.

Enhance the performance of the operating system.