What form of malicious code hides itself inside the deep administrative or kernel layer of an operating system to hide active system tracking files from malware sweeps? MCQ with Answer and Explanation

What form of malicious code hides itself inside the deep administrative or kernel layer of an operating system to hide active system tracking files from malware sweeps?
A. Spyware Script
B. Macro Virus
C. Rootkit
D. Adware Module
Answer: Option C
Solution (By JKSSB Mock Tests)
Rootkits modify system kernel code to hide processes, files, and network links, rendering themselves invisible to standard antivirus utilities.

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What type of attack vector uses a malicious payload embedded within a macro script to spread automatically through contacts when an infected spreadsheet is opened?
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Correct Answer: Option D


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Macro viruses hijack application macro scripting automated sequences inside productivity suites, executing commands and spreading code when documents are opened.

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What type of software vulnerability occurs when untrusted user code commands are output directly into another user’s browser view, enabling script injection exploits?
A. Buffer Overflow
B. Cross-Site Scripting (XSS)
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Correct Answer: Option B


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XSS allows threat actors to execute malicious client-side scripts inside other users' browser views by compromising vulnerable web outputs.

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Correct Answer: Option B


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