Deck 6: Malicious Software

Question 1

A __________ is code inserted into malware that lies dormant until a predefined condition, which triggers an unauthorized act, is met.

A) logic bomb
B) trapdoor
C) worm
D) Trojan horse

Answer 1

A

Question 2

__________ are used to send large volumes of unwanted e-mail.

A) Rootkits
B) Spammer programs
C) Downloaders
D) Auto-rooters

Answer 2

B

Question 3

A program that is covertly inserted into a system with the intent of compromising the integrity or confidentiality of the victim's data is __________.

A) Adobe
B) Animoto
C) malware
D) Prezi

Answer 3

C

Question 4

Keyware captures keystrokes on a compromised system.

Question 5

A virus that attaches to an executable program can do anything that theprogram is permitted to do.

Question 6

Metamorphic code is software that can be shipped unchanged to aheterogeneous collection of platforms and execute with identical semantics.

Question 7

Many forms of infection can be blocked by denying normal users the right tomodify programs on the system.

Question 8

Malicious software aims to trick users into revealing sensitive personal data.

Question 9

A bot propagates itself and activates itself, whereas a worm is initiallycontrolled from some central facility.

Question 10

In addition to propagating, a worm usually carries some form of payload.

Question 11

A macro virus infects executable portions of code.

Question 12

A Trojan horse is an apparently useful program containing hidden code that,when invoked, performs some harmful function.

Question 13

E-mail is a common method for spreading macro viruses.

Question 14

Every bot has a distinct IP address.

Question 15

Computer viruses first appeared in the early __________.

A) 1960s
B) 1970s
C) 1980s
D) 1990s

Question 16

The term "computer virus" is attributed to __________.

A) Herman Hollerith
B) Fred Cohen
C) Charles Babbage
D) Albert Einstein

Question 17

It is not possible to spread a virus via a USB stick.

Question 18

Programmers use backdoors to debug and test programs.

Question 19

Packet sniffers are mostly used to retrieve sensitive information likeusernames and passwords.

Question 20

A logic bomb is the event or condition that determines when the payload isactivated or delivered.

Question 21

A computer __________ is a piece of software that can "infect" other programs or any type of executable content and tries to replicate itself.

Question 22

The __________ is what the virus "does".

A) infection mechanism
B) trigger
C) logic bomb
D) payload

Question 23

A __________ is when a user views a Web page controlled by the attacker that contains a code that exploits the browser bug and downloads and installs malware on the system without the user's knowledge or consent.

Question 24

Sometimes referred to as the "infection vector", the __________ is the means by which a virus spreads or propagates.

Question 25

A __________ attack is a bot attack on a computer system or network that causes a loss of service to users.

A) spam
B) phishing
C) DDoS
D) sniff

Question 26

A _________ is a set of programs installed on a system to maintain covert access to that system with administrator (root) privileges while hiding evidence of its presence.

Question 27

The __________ is when the virus function is performed.

A) dormant phase
B) propagation phase
C) triggering phase
D) execution phase

Question 28

A __________ virus is explicitly designed to hide itself from detection by anti-virus software.

Question 29

__________ is the first function in the propagation phase for a network worm.

A) Propagating
B) Fingerprinting
B) Keylogging
D) Spear phishing

Question 30

A __________ uses multiple methods of infection or propagation to maximize the speed of contagion and the severity of the attack.

Question 31

A __________ uses macro or scripting code, typically embedded in a document and triggered when the document is viewed or edited, to run and replicate itself into other such documents.

A) boot sector infector
B) file infector
C) macro virus
D) multipartite virus

Question 32

__________ is malware that encrypts the user's data and demands payment in order to access the key needed to recover the information.

A) Trojan horse
B) Ransomware
C) Crimeware
D) Polymorphic

Question 33

__________ will integrate with the operating system of a host computer and monitor program behavior in real time for malicious actions.

A) Fingerprint-based scanners
B) Behavior-blocking software
C) Generic decryption technology
D) Heuristic scanners

Question 34

Unsolicited bulk e-mail is referred to as __________.

A) spam
B) propagating
C) phishing
D) crimeware

Question 35

During the __________ the virus is idle.

A) dormant phase
B) propagation phase
C) triggering phase
D) execution phase

Question 36

The four phases of a typical virus are: dormant phase, triggering phase, execution phase and __________ phase.

Question 37

The ideal solution to the threat of malware is __________.

A) identification
B) removal
C) detection
D) prevention

Question 38

Sometimes known as a "logic bomb", the __________ is the event or condition that determines when the payload is activated or delivered.

Question 39

__________ code refers to programs that can be shipped unchanged to a heterogeneous collection of platforms and execute with identical semantics.

Question 40

During the __________ phase the virus is activated to perform the function for which it was intended.

Question 41

A bot can use a __________ to capture keystrokes on the infected machine to retrieve sensitive information.

Question 42

Countermeasures for malware are generally known as _________ mechanisms because they were first developed to specifically target virus infections.

Question 43

A __________ is a collection of bots capable of acting in a coordinated manner.

Question 44

Because __________ software can block suspicious software in real time, it has an advantage over such established anti-virus detection techniques as fingerprinting or heuristics.

Question 45

Two types of perimeter monitoring software are _________ monitoring and egress monitoring.