GCIH · Question #270
Which of the following statements about a Trojan horse are true? Each correct answer represents a complete solution. Choose two.
The correct answer is B. The writers of a Trojan horse can use it later to gain unauthorized access to a computer. C. It is a malicious software program code that resembles another normal program. A Trojan horse is malicious code disguised as a legitimate program that can grant attackers unauthorized backdoor access to a compromised system.
Question
Which of the following statements about a Trojan horse are true? Each correct answer represents a complete solution. Choose two.
Options
- AIt is a macro or script that attaches itself to a file or template.
- BThe writers of a Trojan horse can use it later to gain unauthorized access to a computer.
- CIt is a malicious software program code that resembles another normal program.
- DIt infects the boot record on hard disks and floppy disks.
How the community answered
(31 responses)- A3% (1)
- B94% (29)
- D3% (1)
Why each option
A Trojan horse is malicious code disguised as a legitimate program that can grant attackers unauthorized backdoor access to a compromised system.
Attaching to files or templates is the behavior of a macro virus, not a Trojan horse, which is a standalone deceptive program.
A core characteristic of Trojan horses is the inclusion of a remote access or backdoor component, allowing the attacker to later reconnect and execute commands on the victim's machine without authorization.
By definition, a Trojan horse masquerades as a normal, benign application to trick the user into executing it, while secretly carrying a malicious payload.
Infecting the boot record is the defining behavior of a boot sector virus, a completely different malware category.
Concept tested: Trojan horse malware defining characteristics
Source: https://csrc.nist.gov/glossary/term/trojan_horse
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