Which of the following is a behavioral indicator that a system may be infected with malware?

The system's clock is synchronized with a time server

The system's IP address is assigned via DHCP

The system becomes noticeably slower than usual

An employee plugs an unknown USB flash drive into a company laptop, and the laptop becomes infected. Which propagation vector was most likely used by the malware?

Network vulnerability exploitation

A user reports that after plugging in a USB flash drive found in the parking lot, their workstation began exhibiting slow performance and frequent pop-ups. The security team suspects malware. Which immediate action should the team take to limit further spread?

Reboot the workstation and log in as a different user to see if the issue persists.

Delete the contents of the USB drive and return it to the user.

Run a full antivirus scan on the workstation while keeping it connected to the network.

Disconnect the workstation from the network and disable the USB controller via Group Policy.

A system administrator is investigating a server that has become sluggish. The administrator notices an unknown process consuming high CPU and a new registry Run key that was added recently. Which type of malware indicator is the administrator observing?

Propagation indicators, such as email attachments and malicious downloads.

Network indicators, such as abnormal outbound connections and DNS queries.

Behavioral indicators, such as system slowdowns and unauthorized data access.

System-level indicators, including an unusual process and a registry modification.

Which malware propagation technique involves exploiting a vulnerability in a network service to spread without user interaction?

Trojan disguised as legitimate software

Worm exploiting network services

EC-CouncilEthical Hacking Essentials

Domain 2Objective 2

Malware Propagation Techniques and Indicators EHE Practice Questions (Page 2)

Part of the Malware and Password Attacks domain, which makes up ~14% of our current practice bank.

31questions here

7free pages

5concepts

Questions 6–10

6foundation · easy
Which of the following is a behavioral indicator that a system may be infected with malware?
Select an answer first
7foundation · easy
An employee plugs an unknown USB flash drive into a company laptop, and the laptop becomes infected. Which propagation vector was most likely used by the malware?
Select an answer first
8application · medium
A user reports that after plugging in a USB flash drive found in the parking lot, their workstation began exhibiting slow performance and frequent pop-ups. The security team suspects malware. Which immediate action should the team take to limit further spread?
Select an answer first
9application · easy
A system administrator is investigating a server that has become sluggish. The administrator notices an unknown process consuming high CPU and a new registry Run key that was added recently. Which type of malware indicator is the administrator observing?
Select an answer first
10foundation · easy
Which malware propagation technique involves exploiting a vulnerability in a network service to spread without user interaction?
Select an answer first

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