cyber quiz 2

How many different Microsoft Windows file types can be infected with a virus?

70

Explain how an appender infection works.

The virus first appends itself to the end of a file then moves the first three bytes of the original file to the virus code and replaces them with a jump instruction pointing to the virus code then when the program is launched the jump instruction redirects control to the virus

What is a backdoor and what is it used for?

a backdoor gives an attacker access to a computer, program, or service that has any normal security protections it is sometimes used for developers who want to bypass security settings until their program is finalized but its also use by attackers to bypass security settings for their own reasoning

Describe adware.

a form of malware which presents unwanted advertisements to the user of a computer

A series of instructions that can be grouped together as a single command and are often used to automate a complex set of tasks or a repeated series of tasks are known as:

a marco

What are botnets?

a network of private computers infected with malicious software

What is a worm?

a stand alone malware computer program that replicates itself in order to spread to other computers

A software program that delivers advertising content in a manner that is unexpected and unwanted by the user.

adware

What kind of software program delivers advertising content in a manner that is unexpected and unwanted by the user, and is typically included in malware?

adware

Software code that gives access to a program or a service that circumvents normal security protections.

backdoor

What type of system security malware allows for access to a computer, program, or service without authorization?

backdoor

A logical computer network of zombies under the control of an attacker.​

botnet

Malicious computer code that, like its biological counterpart, reproduces itself on the same computer.​

computer virus

What type of undocumented yet benign hidden feature launches after a special set of commands, key combinations, or mouse clicks, and was no longer included in Microsoft software after the start of their Trustworthy Computing initiative?

easter egg

What are some of the functions performed by viruses?

erases files from hard drive turns off computers security settings makes copies of itself harms/ruins computer

Successful attacks on computers today consist of a single element, malicious​ software programs that are created to infiltrate computers with the intent to do harm

false

How does a rootkit work?

hides the existence of certain processes or programs on a computer from regular detection methods allowing it or another malicious process to access the computer

A false warning designed to trick users into changing security settings on their computer​

hoax

A(n) ____________________ is either a small hardware device or a program that monitors each keystroke a user types on the computer's keyboard.

keylogger

Software or a hardware device that captures and stores each keystroke that a user types on the computer's keyboard.​

keylogger

Computer code that is typically added to a legitimate program but lies dormant until it is triggered by a specific logical event is known as a?

logic bomb

Computer code that lies dormant until it is triggered by a specific logical event

logic bomb

Malicious software, or ____________________, silently infiltrate computers with the intent to do harm

malware

A computer virus that is written in a script known as a macro

marco virus

Of the three types of mutating malware, what type changes its internal code to one of a set number of predefined mutations whenever it is executed?

oligomorphic malware

Describe a macro virus.

one of the most common data file viruses written in marco script a a bunch of instructions that can be grouped together as one demand

A virus that infects an executable program file is known as?

program virus

Malware that locks or prevents a device from functioning properly until a fee has been paid is known as:​

ransoware

What type of malware consists of a set of software tools used by an attacker to hide the actions or presence of other types of malicious software, such as Trojans, viruses, or worms?

rootkit

What term below is used to describe a means of gathering information for an attack by relying on the weaknesses of individuals?

social engineering

What is malware?

software that is intended to damage or disable computers and computer systems enters a computer system without the users knowledge

Which of the following is not one of the four methods for classifying the various types of malware?​

source

A phishing attack that targets only specific users

spear fishing

What is the term used to describe unsolicited messages received on instant messaging software?

spim

In the ____________________ technique, the virus is divided into several parts and the parts are placed at random positions throughout the host program, overwriting the original contents of the host.

split infection

_______________ is a general term used to describe software that secretly spies on users by collecting information without their consent.

spyware

One of the armored virus infection techniques utilizes encryption to make virus code more difficult to detect, in addition to separating virus code into different pieces and inject these pieces throughout the infected program code. What is the name for this technique?

swiss cheese

The physical procedure whereby an unauthorized person gains access to a location by following an authorized user is known as?

tailgating

Due to the prevalence of text filters for filtering spam, how have spammers modified their attacks?

they replace the text with a picture because text filters cannot filter out txt on a picture

Select below the type of malware that appears to have a legitimate use, but actually contains or does something malicious

trojen

A macro is a series of instructions that can be grouped together as a single command.​

true

Because of how a rootkit replaces operating system files, it can be difficult to remove a rootkit from a system.

true

Software keyloggers are programs that silently capture all keystrokes, including passwords and sensitive information.

true

Spreading similarly to a virus, a worm inserts malicious code into a program or data file.

true

A macro virus takes advantage of the "____________________" relationship between the application and the operating system.

trust

What type of malware is heavily dependent on a user in order to spread?

virus

Which of the following is malicious computer code that reproduces itself on the same computer?

viruses

The two types of malware that require user intervention to spread are:

viruses and trojens

A phishing attack that uses telephone calls instead of e-mails.

vishing

What type of attack is targeted against a smaller group of specific individuals, such as the major executives working for a manufacturing company?​

watering hole