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Welcome to the Auditing Program Binaries MCQs Page

Dive deep into the fascinating world of Auditing Program Binaries with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Auditing Program Binaries, a crucial aspect of Reverse Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Auditing Program Binaries, 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 Auditing Program Binaries. 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 Auditing Program Binaries. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Auditing Program Binaries MCQs | Page 2 of 8

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Q11.
What level of sophistication is required to take control of a program?

a.

A low level

b.

A moderate level

c.

A high level

d.

No level of sophistication is required

Discuss
Answer: (c).A high level Explanation:Taking control of a program requires a high level of sophistication because attackers must feed the program very specific data.
Q12.
How can vulnerabilities put entire networks at risk?

a.

By affecting the security of individual programs

b.

By penetrating the outer shell of a network

c.

By encrypting network data

d.

By crashing individual programs

Discuss
Answer: (b).By penetrating the outer shell of a network Explanation:Vulnerabilities can put entire networks at risk because penetrating the outer shell of a network often means that the last line of defense has been crossed.
Q13.
What are stack overflows?

a.

Exploits that take advantage of programs neglecting to perform bounds checking on incoming data

b.

Attacks that target the network shell of a network

c.

Bugs that compromise the security of the program and computer it is running on

d.

A type of program vulnerability that has only recently emerged

Discuss
Answer: (a).Exploits that take advantage of programs neglecting to perform bounds checking on incoming data Explanation:Stack overflows can be defined as exploits that take advantage of programs neglecting to perform bounds checking on incoming data.
Q14.
Which programming languages are particularly susceptible to stack overflow vulnerabilities?

a.

C-based languages

b.

Object-oriented languages

c.

Functional programming languages

d.

Assembly languages

Discuss
Answer: (a).C-based languages Explanation:Stack overflows are particularly common in programs written in C-based languages.
Q15.
How are stack overflow vulnerabilities created?

a.

When a program receives data from the outside world and copies it onto the stack without checking its length

b.

When a program is not properly compiled

c.

When a program is written in an object-oriented language

d.

When a program is executed on a virtual machine

Discuss
Answer: (a).When a program receives data from the outside world and copies it onto the stack without checking its length Explanation:A simple stack overflow vulnerability can be created when a program receives data from the outside world and copies it onto the stack without checking its length.
Q16.
Why do stack variables always have a fixed size?

a.

Because the compiler hard-codes the offsets generated for accessing those variables into the machine code

b.

Because the program dynamically allocates stack space based on the amount of information it is passed

c.

Because stack variables are designed to be flexible and dynamic

d.

Because the programmer manually sets the size of the stack variables

Discuss
Answer: (a).Because the compiler hard-codes the offsets generated for accessing those variables into the machine code Explanation:Stack variables always have a fixed size because the offsets generated by the compiler for accessing those variables are predetermined and hard-coded into the machine code.
Q17.
What can happen if a program neglects to verify that received data fits into the stack buffer before copying it?

a.

A stack overflow vulnerability can be created

b.

The program may crash

c.

The program may run more efficiently

d.

The program may be less vulnerable to attacks

Discuss
Answer: (a).A stack overflow vulnerability can be created Explanation:Neglecting to verify that received data fits into the stack buffer before copying it can create a stack overflow vulnerability.
Q18.
What are stack overflows and why are they popular?

a.

Exploits that take advantage of bounds checking negligence in programs.

b.

Popular type of program vulnerability.

c.

Both a and b

d.

None of the above

Discuss
Answer: (c).Both a and b Explanation:Stack overflows are exploits that take advantage of bounds checking negligence in programs, and they are the most popular type of program vulnerability.
Q19.
How can a simple stack overflow vulnerability be created?

a.

By copying data onto the stack without checking its length.

b.

By preallocating enough room in the stack for the largest chunk of data expected to receive.

c.

By dynamically allocating stack space based on the amount of information passed.

d.

By verifying that the received data fits into the stack buffer before copying it.

Discuss
Answer: (a).By copying data onto the stack without checking its length. Explanation:A simple stack overflow vulnerability can be created by copying data onto the stack without checking its length.
Q20.
What can happen when a buffer of an unknown size is copied over into a limited-sized stack buffer?

a.

The copy operation will cause anything residing after the buffer in the stack to be overwritten with whatever is sent as input

b.

The copy operation will dynamically allocate more space in the stack for the incoming data

c.

The copy operation will verify that the received data fits into the stack buffer before copying it

d.

None of the above

Discuss
Answer: (a).The copy operation will cause anything residing after the buffer in the stack to be overwritten with whatever is sent as input Explanation:If a buffer of an unknown size is copied over into a limited-sized stack buffer, the copy operation will cause anything residing after the buffer in the stack to be overwritten with whatever is sent as input.
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