24 Questions
What is the primary function of a worm?
To actively seek out more machines to infect
How do email worms typically spread?
Through script code included in email attachments
What is a common way for worms to replicate themselves?
By creating a copy of themselves on removable media
What is a characteristic of a metamorphic virus?
It mutates and rewrites itself completely at each iteration
What is the purpose of a payload in a worm?
To carry out malicious activities
How do worms often target systems for infection?
Through software exploits
What is a common way for worms to spread through networks?
Through network connections from system to system
What is the first known implementation of a worm?
In the early 1980s at Xerox Palo Alto Labs
What is a key characteristic that distinguishes a bot from a worm?
Remote control facility
What is a common protocol used for covert communication channels in recent botnets?
HTTP
What is the primary function of a keylogger?
To capture keystrokes
What is the goal of a phishing attack?
To leverage user trust
What is a characteristic of spear-phishing attacks?
Recipients are carefully researched
What is a common way that malware is spread through email?
Through phishing attacks
What is a common task performed by spyware?
Redirecting web page requests
What is a primary difference between bots and worms in terms of propagation?
Worms are self-replicating, while bots are not
How does the CommWarrior worm replicate to other phones?
By sending itself as an MMS file to contacts and as an auto reply to incoming text messages
What is the primary target of mobile phone worms?
The smartphone's operating system
How do drive-by-downloads deliver their payload?
By exploiting browser and plugin vulnerabilities
What is the primary method of remote execution used by drive-by-downloads?
By exploiting vulnerabilities in the browser
How do watering-hole attacks differ from drive-by-downloads?
They are more targeted and focused on specific organizations
How do mobile phone worms spread through email?
They do not spread through email
What is the primary goal of a watering-hole attack?
To target a specific organization or individual
What is the primary difference between a drive-by-download and a watering-hole attack?
The target of the attack
This quiz covers different types of virus classifications, including encrypted, stealth, polymorphic, and metamorphic viruses, and their concealment strategies. Learn how each type of virus works to evade detection.
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