Cybersec - Module 2

§Which two characteristics describe a worm? (Choose two.)

• •hides in a dormant state until needed by an attacker

• •executes when software is run on a computer

• •travels to new computers without any intervention or knowledge of the user

• •infects computers by attaching to software code

• •is self-replicating

§In what way are zombies used in security attacks?

• •They are maliciously formed code segments used to replace legitimate applications.

• •They probe a group of machines for open ports to learn which services are running.

• •They target specific individuals to gain corporate or personal information.

• •They are infected machines that carry out a DDoS attack.

§Which tool is used to provide a list of open ports on network devices?

• Nmap

• ping

• tracert

• Whois

§Which type of attack allows an attacker to use a brute force approach?

• •denial of service

• •packet sniffing

• •password cracking

§What is the primary goal of a DoS attack?

• •to facilitate access to external networks

• •to prevent the target server from being able to handle additional requests

• •to obtain all addresses in the address book within the server

• •to scan the data on the target server

§What is the purpose of a rootkit?

• •to replicate itself independently of any other programs

• •to gain privileged access to a device while concealing itself

• •to deliver advertisements without user consent

• •to masquerade as a legitimate program

§What is the most common goal of search engine optimization (SEO) poisoning?

• •to trick someone into installing malware or divulging personal information

• •to build a botnet of zombies

• •to overwhelm a network device with maliciously formed packets

• •to increase web traffic to malicious sites

§Which example illustrates how malware might be concealed?

• A hacker uses techniques to improve the ranking of a website so that users are redirected to a malicious si

• An attack is launched against the public website of an online retailer with the objective of blocking its response to visitors

• A botnet of zombies carry personal information back to the hacker.

• An email is sent to the employees of an organization with an attachment that looks like an antivirus update, but the attachment actually consists of spyware.