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Which of the following malware categories BEST describes this program?

A program has been discovered that infects a critical Windows system executable and stays
dormant in memory. When a Windows mobile phone is connected to the host, the program infects
the phone’s boot loader and continues to target additional Windows PCs or phones. Which of the
following malware categories BEST describes this program?

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A.
Zero-day

B.
Trojan

C.
Virus

D.
Rootkit

One Comment on “Which of the following malware categories BEST describes this program?

  1. meac says:

    A and B are out from the onset.

    (A)-A zero-day (also known as 0-day) vulnerability is a computer-software vulnerability that is unknown to those who would be interested in mitigating the vulnerability (including the vendor of the target software). Until the vulnerability is mitigated, hackers can exploit it to adversely affect computer programs, data, additional computers or a network.[1] An exploit directed at a zero-day vulnerability is called a zero-day exploit, or zero-day attack.

    (B)- Trojans are also known to create a backdoor on your computer that gives malicious users access to your system, possibly allowing confidential or personal information to be compromised. Unlike viruses and worms, Trojans do not reproduce by infecting other files nor do they self-replicate.

    So it is a tossup between C & D

    C- A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes.
    Viruses can also replicate themselves. All computer viruses are man-made.
    A simple virus that can make a copy of itself over and over again isrelatively easy to produce.
    Even such a simple virus is dangerous because it will quickly use all available memory and bring the system to a halt. An even more dangerous type of virus is one
    capable of transmitting itself across networks and bypassing security systems.
    Some people distinguish between general viruses and worms. A worm is a special type of virus that can replicate itself and use memory, but cannot attach itself to other programs.

    D- A rootkit is a program or, more often, a collection of software tools that gives a threat actor REMOTE ACCESS to and control over a computer or other system

    So C it is




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