To invisibly maintain access to a machine, an attacker utilizes a toolkit that sits undetected In the core components of the operating system. What is this type of rootkit an example of?

Question

Options

• AMypervisor rootkit
• BKernel toolkit
• CHardware rootkit
• DFirmware rootkit

• A
  4% (1)
• B
  92% (22)
• C
  4% (1)

Explanation

Kernel Toolkit (Kernel-Level Rootkit) is correct because this type of rootkit embeds itself directly into the core of the operating system - the kernel - allowing it to operate at the highest privilege level, remain hidden, and intercept system calls to conceal its presence from users and security tools.

Why the distractors are wrong:

• A. Hypervisor Rootkit - This type runs below the OS by creating a virtualization layer, effectively trapping the OS inside a virtual machine; it doesn't sit within the OS kernel itself.
• C. Hardware Rootkit - This is not a standard rootkit classification; it's a vague/fictional term used as a distractor.
• D. Firmware Rootkit - This type hides within device firmware (e.g., BIOS/UEFI), which is below the OS level, not within the core OS components.

Memory Tip: Think "K for Kernel = K for Kore (Core)" - if the rootkit lives in the core components of the OS, it's a Kernel toolkit. Firmware = hardware chips, Hypervisor = below the OS in a VM layer - both are outside the OS core.

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