GSLC · Question #2
Which of the following statements is true about the difference between worms and Trojan horses?
The correct answer is C. Worms replicate themselves while Trojan horses do not. The fundamental technical distinction between worms and Trojans is that worms self-replicate and propagate automatically, while Trojans do not replicate on their own.
Question
Which of the following statements is true about the difference between worms and Trojan horses?
Options
- ATrojan horses are a form of malicious codes while worms are not.
- BTrojan horses are harmful to computers while worms are not.
- CWorms replicate themselves while Trojan horses do not.
- DWorms can be distributed through emails while Trojan horses cannot.
How the community answered
(35 responses)- A3% (1)
- B3% (1)
- C89% (31)
- D6% (2)
Why each option
The fundamental technical distinction between worms and Trojans is that worms self-replicate and propagate automatically, while Trojans do not replicate on their own.
Both worms and Trojan horses are classified as malicious code - the distinction is in their propagation mechanism, not whether they are malicious.
Both worms and Trojans can cause significant harm to infected systems - harm potential is not the differentiating factor between them.
Worms are self-replicating malware that autonomously spread across networks and systems by exploiting vulnerabilities or network shares, requiring no user interaction after initial infection. Trojan horses, by definition, do not self-replicate - they masquerade as legitimate software to deceive users into executing them, and depend entirely on that social engineering vector to spread.
Trojans are commonly distributed via email attachments, so email is not an exclusive distribution method for worms.
Concept tested: Malware classification - worm vs Trojan propagation
Source: https://csrc.nist.gov/glossary/term/worm
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