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Welcome to the Reversing Malware MCQs Page

Dive deep into the fascinating world of Reversing Malware with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Reversing Malware, a crucial aspect of Reverse Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Reversing Malware, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Reverse Engineering.

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Check out the MCQs below to embark on an enriching journey through Reversing Malware. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Reverse Engineering.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Reversing Malware. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Reversing Malware MCQs | Page 2 of 10

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Q11.
What is a common method by which modern worms spread?

a.

Using executable program files

b.

Taking advantage of operating system vulnerabilities

c.

Manual transmission by end-users

d.

None of the above

Discuss
Answer: (b).Taking advantage of operating system vulnerabilities Explanation:Modern worms often spread by taking advantage of operating system vulnerabilities.
Q12.
What is the potential danger of worms?

a.

They can spread uncontrollably and in a short period of time

b.

They can only infect one computer system at a time

c.

They can be easily removed by antivirus programs

d.

They cannot self-replicate

Discuss
Answer: (a).They can spread uncontrollably and in a short period of time Explanation:Worms can spread uncontrollably and in remarkably brief periods of time, making them a potential danger.
Q13.
What is a Trojan horse?

a.

A functional program

b.

A malicious program

c.

A type of virus

d.

A type of worm

Discuss
Answer: (b).A malicious program Explanation:A Trojan horse is an innocent-looking program that contains a hidden malicious element.
Q14.
How does a Trojan horse work?

a.

It operates normally and infects the system behind the user's back

b.

It alerts the user that the system has been infected

c.

It destroys the original application to eliminate any suspicion

d.

It spreads through direct human interaction

Discuss
Answer: (a).It operates normally and infects the system behind the user's back Explanation:The functional element of the program works normally while the malicious element operates behind the user's back.
Q15.
What is one way to implement Trojans?

a.

By embedding a malicious element inside a benign program

b.

By scanning a user's contact list and emailing itself to every contact

c.

By taking advantage of an operating system or application vulnerability

d.

By replicating itself through a network

Discuss
Answer: (a).By embedding a malicious element inside a benign program Explanation:One way to implement Trojans is to embed a malicious element inside a benign program.
Q16.
How can Trojans be disguised as innocent files?

a.

By embedding a malicious element inside a benign program

b.

By scanning a user's contact list and emailing itself to every contact

c.

By taking advantage of an operating system or application vulnerability

d.

By fooling users into believing that the file is really some kind of innocent file, such as a video clip or an image

Discuss
Answer: (d).By fooling users into believing that the file is really some kind of innocent file, such as a video clip or an image Explanation:The Trojans can be disguised as innocent files by fooling users into believing that the file is really some kind of innocent file, such as a video clip or an image.
Q17.
What is the problem with hiding a file's real extension after a couple of hundred spaces?

a.

The file may not open properly

b.

Windows will usually show an application icon

c.

Windows will not show an application icon

d.

The file may be detected by antivirus software

Discuss
Answer: (b).Windows will usually show an application icon Explanation:The problem with hiding a file's real extension after a couple of hundred spaces is that Windows will usually show an application icon, although in some cases it may show the default Windows picture icon if one is available.
Q18.
What is a backdoor?

a.

A type of software that allows attackers to remotely connect to a system.

b.

A covert access channel that enables the attacker to spy or interact with the victim’s system.

c.

A malicious program that can be executed to remotely control the victim’s system.

d.

All of the above

Discuss
Answer: (d).All of the above Explanation:A backdoor creates a covert access channel that allows attackers to connect, control, spy, or interact with the victim’s system. This can be in the form of actual programs that enable remote connection or can be planted into the source code by rogue developers.
Q19.
How can backdoors be planted into a program?

a.

By a rogue software developer.

b.

By using open-source software.

c.

By checking the source code manually.

d.

By ensuring that the code works.

Discuss
Answer: (a).By a rogue software developer. Explanation:Backdoors can be planted into the program source code by rogue software developers.
Q20.
What is the general rule followed by software vendors before shipping their products?

a.

To manually check the source code.

b.

To ensure that the code works.

c.

To prevent the possibility of backdoors being buried within the source code.

d.

None of the above.

Discuss
Answer: (b).To ensure that the code works. Explanation:The general rule followed by software vendors is that if the code works, there's nothing to worry about.
Page 2 of 10

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