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Stuxnet Test

Total questions: 100

Worksheet time: 3600secs

Name
Class
Date
1.

Who was in "Operation Olyimpic Games"?

a)

China

b)

United States

c)

United Nations

d)

Israel

2.

Who first discovered Stuxnet?

a)

VirusBlokAda

b)

AVG

c)

Mcafee

d)

Kapersky Labs

3.

Which of the following are the sons of Stuxnet?

a)

Duqu

b)

Trtion

c)

Havex

d)

Earthworm

4.

Which brand of PLC was Stuxnet created for to attack?

a)

Mitsubishi

b)

Omron

c)

Siemens

d)

AMCI

5.

Which of the following were payload features of Stuxnet?

a)

Deliver false information to control stations

b)

Reprogrammed PLCs to change centrifuge rotation rates

c)

Change the temperature of centrifuges

d)

Demand bitcoin ransom to unlock files

6.

Stuxnet was designed to attack

a)

Russian-built missile systems

b)

Russian-built missile systemsRussian-built missile systems

c)

An Iranian uranium enrichment facility

d)

An Israeli air defense operation

7.

What technique did the Stuxnet operators use to bridge the Iranian air gap?

a)

they used CIA spies to infect the computers

b)

they bribed Netanz employees to infect the computers

c)

they used dial-up connections

d)

the used social engineering tricks to pass along infected USB drives

8.

What is a zero-day exploit?

a)

a programming flaw that has not been discovered by the producer

b)

a program loophole that allows access to source code after installation

c)

a recurring clock malfunction that resets each day

d)

the average time a new piece of malware is active before it is discovered

9.

When was a DDOS attack was made on the servers for two leading mailing lists on industrial-systems security?

a)

15 July 2010

b)

18 July 2010

c)

8 August 2017

d)

16 May 2010

10.

Process used by DHCP...?

a)

DAOR

b)

DOAR

c)

DORA

d)

3 way handshake

11.

Ports used by FTP

a)

Ports 23 and 24

b)

Port 25 and 27

c)

Ports 20 and 21

d)

port 80

12.

Port used by RDP

a)

Port 3339

b)

Port 3489

c)

Port 3398

d)

Port 3389

13.

What is a common use of DNS?

a)

Resolution of a MAC address to an IP address

b)

Resolution of an IP address to a MAC address

c)

Resolution of a port number to a port service

d)

Resolution of a host name to an IP address

14.

The .................... is a true end to end layer protocol, from source to destination.

a)

Network Layer

b)

Data Link Layer

c)

Data Layer

d)

Transport Layer

15.

In cybersecurity, what does CIA stand for?

a)

Confidentiality, Integrity, Availability

b)

Central Intelligence Agency

c)

Cybersecurity Investigation Agency

d)

Cybersecurity, Internet, Accessibility

16.

Alice is buying books from an online retail site, and she finds that she is able to change the price of a book from £19.99 to £1.99.

Which part of the CIA triad has been broken?

a)

Confidentiality

b)

Availability

c)

Integrity

d)

None of the above

17.

What is the size of the Stuxnet?

a)

500-kilobyte

b)

1500-kilobyte

c)

700-kilobyte

d)

400-kilobyte

18.

An IP address is divided into what two parts

a)

Physical and logical

b)

Network and subnet

c)

Network and host

d)

Physical and emotional

19.

DHCP is abbreviation of

a)

Dynamic Host Connection Private

b)

Domestic Host Configuration Protocol

c)

Dynamic Hazard Configuration Protocol

d)

Dynamic Host Configuration Protocol

20.

What is stuxnet?

a)

an app

b)

a malware

c)

a virus

d)

a worm

21.

An example of social engineering...

a)

Viruses

b)

Worms

c)

Telephone IVR Phishing

d)

Trojan Horses

22.

Malware…

a)

Are different types of threats to computer systems

b)

Is a manufacturer of computer parts

c)

Are hard to find on the internet

d)

Distribution is completely legal

23.

Viruses...

a)

Do not need to attach to a program

b)

Need to attach to a program

c)

A type of social engineering

d)

Designed to access a computer by misleading users of its intent by prompting to download a program

24.

Worms...

a)

Do not need to attach to a program

b)

Need to attach to a program

c)

A type of social engineering

d)

Designed to access a computer by misleading users of its’ intent by prompting to download a program

25.

Trojan Horses

a)

Does not need to attach to a program

b)

Can only occur when a computer is not connected to a network

c)

A type of social engineering

d)

Designed to access a computer by misleading users of its’ intent by prompting to download a program

26.

How many viruses are made each day?

a)

10

b)

30

c)

54,000

d)

82,000

27.

What can viruses affect?

a)

Keyboard

b)

Hard Drive

c)

RAM

d)

All the above

28.

How do hackers use viruses?

a)

To make a computer unusable

b)

To get someone’s personal information

c)

To find out card details

d)

All of the above

29.

Sending requests to a single server using hijacked machines

a)

Phishing

b)

DDOS

c)

Worm

d)

Virus

30.

Social engineering and phishing are examples of

a)

Viruses

b)

Scams

c)

Data interception

d)

Malware

31.

Uses a number of computers over a network of infected machines which send requests to a website which would bring it offline

a)

SQL

b)

DDOS

c)

USB

d)

WLAN

32.

An effect of SQL injection

a)

Full access to the target computer

b)

Network access to the computer only

c)

Ability to edit all files

d)

Attackers can access the database only and manipulate data

33.

An SQL injection attack would cause unauthorised access to

a)

Files

b)

Entire computer

c)

Database

d)

Some files

34.

A network of computers infected with malicious software and controlled as part of a group without the owners’ knowledge

a)

Virus

b)

Stuxnet

c)

Ring

d)

Botnet

35.
What does BIOS stand for?
a)
It doesn't stand for anything
b)
Basic Input Output System
c)
Boots In One Second
d)
Basically, I'm the Origin of the System
36.
What does a virus do?
a)
Makes the computer stop working
b)
Attaches inside of program
c)
Spreads across system
d)
Gets full access
37.
What does a Trojan Horse do?
a)
Makes the computer stop working
b)
Attaches inside of program
c)
Gets full access
d)
Gets full access
38.
What does a rootkit do?
a)
Makes computer stop working
b)
Gets full access
c)
Attaches inside of program
d)
Spies on user
39.
What does a wormkit do?
a)
Spreads across system
b)
Makes computer stop working
c)
Gets full access
d)
Spies on User
40.
In Virtualization, a Type 1 Hypervisor is:
a)
Located above hardware but below the OS
b)
Located above hardware and above an OS
c)
Located on a remote server
d)
None of the above
41.
In Virtualization, a Type 2 Hypervisor is:
a)
Located above the hardware but below the OS
b)
Located above the physical hardware and above the OS
c)
Located on a remote server
d)
None of the above
42.
Supervisor mode is:
a)
Highest Group access on a computer
b)
A user on the computer
c)
Highest access given for kernel to run
d)
None of the above
43.
How did STUXNET gain access to its system?
a)
Gained access through the BIOS
b)
Gained access through a program
c)
Gained access through user
d)
Gained access through an IO device controller
44.
In Windows the local service has security access to:
a)
The Entire System including all the hardware and programs on the computer
b)
All of the programs on the computer not hardware
c)
Only a few programs that offer services communicating with local system
d)
Only a few programs that offer services communicating with remote systems
45.
Why would you want to partition a Hard Drive?
a)
To install additional Operating System
b)
Keep an emergency bootable backup copy of your Operating System
c)
Keep certain files and data separate from each other
d)
All of the Above
46.

What is unique/significant about Stuxnet?

a)

First time a cyber attack resulted in physical damage

b)

First cyber attack from one nation on another

c)

It was the most significant cyber attack ever

d)

It was not special, but just one attack as part of a larger conflict in cyberspace

47.

Which country was attacked with Stuxnet?

a)

Israel

b)

Iran

c)

China

d)

North Korea

48.

Which of the following were payload features of Stuxnet?

a)

Reprogrammed PLCs to change centrifuge rotation rates

b)

Deliver false information to control stations

c)

Change the temperature of centrifuges

d)

Demand bitcoin ransom to unlock files

e)

Encrypt hard drives of infected devices

49.

Stuxnet was designed to attack

a)

Russian-built missile systems

b)

Iranian nuclear reactors

c)

An Iranian uranium enrichment facility

d)

An Israeli air defense operation

50.

Why are cyberweapons more difficult to monitor by treaty?

a)

they can be developed virtually anywhere using computers

b)

you can only track them on the web

c)

you can only track them using anti-virus software

d)

they all use zero-day exploits

51.

What is a zero-day exploit?

a)

a programming flaw that has not been discovered by the producer

b)

a program loophole that allows access to source code after installation

c)

a recurring clock malfunction that resets each day

d)

the average time a new piece of malware is active before it is discovered

52.

How many zero-day exploits were discovered in the Stuxnet code?

a)

1

b)

2

c)

3

d)

4

53.

Why did the Windows Operating System software consider Stuxnet to be a legitimate program?

a)

It employed two stolen Microsoft certificates

b)

It hid in other programs that had valid licenses

c)

It shut down the security features of the operating system

d)

Microsoft was paid by the U.S. government to certify the program

54.

Stuxnet is best classified as:

a)

a worm

b)

a virus

c)

a trojan

d)

spyware

55.

What shut down Americas largest fuel pipeline in 2021?

a)

cyber attack

b)

explosion

c)

human error

d)

protestors

56.

How many global cyberwarfare treatises exist today?

a)

0

b)

1

c)

5

d)

23

57.

A cyber attack by a sovereign nation that takes down a city power grid constitutes an act of war.

a)

True

b)

False

c)

The law is unclear

58.

A company develops software for the insurance industry. It wants to ensure that bugs are found prior to being hit with an attack exploiting an unknown flaw in the code. Which of the following is the best option to implement?

a)

An information assurance program

b)

A bug-bounty program

c)

Hire a script kiddie

d)

Have the network administrator earn an industry certification in security

59.

What is Ransomware?

a)

Software that sends scam emails

b)

Software that copies itself

c)

Software that you think is good software but isn't

d)

Software that hides your data and demands payment to release it

60.

_________ is the input device of PLC

a)

Keyboard

b)

Sensors

c)

Hard disc

d)

Monitor

61.

What is unique/significant about Stuxnet?

a)

First time a cyber attack resulted in physical damage

b)

First cyber attack from one nation on another

c)

It was the most significant cyber attack ever

d)

It was not special, but just one attack as part of a larger conflict in cyberspace

62.

Which country was attacked with Stuxnet?

a)

Israel

b)

Iran

c)

China

d)

North Korea

63.

Which of the following were payload features of Stuxnet?

a)

Reprogrammed PLCs to change centrifuge rotation rates

b)

Deliver false information to control stations

c)

Change the temperature of centrifuges

d)

Demand bitcoin ransom to unlock files

e)

Encrypt hard drives of infected devices

64.

Stuxnet was designed to attack

a)

Russian-built missile systems

b)

Iranian nuclear reactors

c)

An Iranian uranium enrichment facility

d)

An Israeli air defense operation

65.

Why are cyberweapons more difficult to monitor by treaty?

a)

they can be developed virtually anywhere using computers

b)

you can only track them on the web

c)

you can only track them using anti-virus software

d)

they all use zero-day exploits

66.

What is a zero-day exploit?

a)

a programming flaw that has not been discovered by the producer

b)

a program loophole that allows access to source code after installation

c)

a recurring clock malfunction that resets each day

d)

the average time a new piece of malware is active before it is discovered

67.

How many zero-day exploits were discovered in the Stuxnet code?

a)

1

b)

2

c)

3

d)

4

68.

Why did the Windows Operating System software consider Stuxnet to be a legitimate program?

a)

It employed two stolen Microsoft certificates

b)

It hid in other programs that had valid licenses

c)

It shut down the security features of the operating system

d)

Microsoft was paid by the U.S. government to certify the program

69.

Stuxnet is best classified as:

a)

a worm

b)

a virus

c)

a trojan

d)

spyware

70.

What shut down Americas largest fuel pipeline in 2021?

a)

cyber attack

b)

explosion

c)

human error

d)

protestors

71.

How many global cyberwarfare treatises exist today?

a)

0

b)

1

c)

5

d)

23

72.

A cyber attack by a sovereign nation that takes down a city power grid constitutes an act of war.

a)

True

b)

False

c)

The law is unclear

73.

A company develops software for the insurance industry. It wants to ensure that bugs are found prior to being hit with an attack exploiting an unknown flaw in the code. Which of the following is the best option to implement?

a)

An information assurance program

b)

A bug-bounty program

c)

Hire a script kiddie

d)

Have the network administrator earn an industry certification in security

74.

What is Ransomware?

a)

Software that sends scam emails

b)

Software that copies itself

c)

Software that you think is good software but isn't

d)

Software that hides your data and demands payment to release it

75.

_________ is the input device of PLC

a)

Keyboard

b)

Sensors

c)

Hard disc

d)

Monitor

76.

Which are TWO characteristics of a virus?

a)

A virus is malware.

b)

A virus replicates on its own.

c)

A virus replicates with user interaction.

d)

A virus is an item that runs silently.

77.

A virus does not do which of the following?

a)

Replicates with user interaction

b)

Changes configuration settings

c)

Exploits vulnerabilities

d)

Displays pop-ups

78.

Which TWO statements are true of a worm?

a)

A worm is malware.

b)

A worm replicates on its own.

c)

A worm replicates with user interaction.

d)

A worm is an item that runs silently.

79.

____ a program in which the malicious or harmful code is contained inside apparently harmless programming or data in such a way that it can get control and cause damage.

a)

Trojan

b)

Worm

c)

Virus

80.

How can a computer virus spread from one computer to another ?

a)

Local Network

b)

USB Flash Drive

c)

Internet Broadband Network

d)

every statements above are true

81.

Why computer virus is so dangerous ?

a)

It could create a new system inside the old one

b)

It could create data damage

c)

It will help you to spend your time

d)

It could make you richer and famous in a short time

82.

Where is the computer's virus load in computer ?

a)

Web Browser

b)

Audio Device

c)

Monitor

d)

Memory

83.

Mention a virus name which can stole and gather private information without knowledge !

a)

Spyware

b)

Trojan

c)

Worms

d)

Hackintosh

84.

If you receive an attachment from someone you don't know, you should never open it.

a)

True

b)

False

85.

Special program which can detect and remove viruses from computer is called

a)

Virus

b)

Anti virus

c)

Group ware

d)

Custom

86.

A computer virus can spread through:

a)

E-mails

b)

Pen drives

c)

Both a and b

d)

None of these

87.

A computer shows unusual behavior to a virus attack

a)

true

b)

false

88.

You should delete spam mails without reading them.

a)

true

b)

false

89.

An antivirus program should run in the background at all times

a)

true

b)

false

90.

The _____ type of malware collects personal information and sends it to a third party.

a)

Worm

b)

Toolbar

c)

Homepage hijacker

d)

Spyware


91.

Some famous antivirus programs

a)

Norton antivirus

b)

Quick Heal Antivirus

c)

Vaccine

d)

Trojan horse

92.

Which of these would be the safest password?

a)

Password

b)

9As5w0rD!

c)

Drowssap

d)

PPAASSWWOORRDD

93.

A virus damages the hardware on a computer

a)

True

b)

False

94.

A virus damages the software and data stored on a computer

a)

True

b)

False

95.

Which of the following are signs that your computer has a virus?

a)

Computer freezes

b)

Lots of popups and advertisments

c)

Files are corrupt or missing

d)

Slower internet speeds

96.

Which are TWO characteristics of a virus?

a)

a virus is malware

b)

a virus replicates on its own

c)

a virus is an item that runs silently

d)

a virus replicates with user interaction

97.

A malware that makes a copy of itself and slows your device.

a)

Virus

b)

Adware

c)

Worm

d)

Trojan Horse

98.

It is a program that gets installed without the user’s permission. It monitors the user’s activities on the internet and transmits that information to the third party.

a)

Adware

b)

Worm

c)

Trojan Horse

d)

Spyware

99.

viruses are spread by:

a)

USB

b)

optical disks

c)

network shares

d)

all of them are true

100.
Which of the following are types of malicious software?
a)
Bus Topologies
b)
Word processing packages
c)
Anti-virus software
d)
Viruses, worms, zombies, trojans and spybots

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