Certified Ethical Hacker (CEH v11) — Question 49

Which of the following viruses tries to hide from anti-virus programs by actively altering and corrupting the chosen service call interruptions when they are being run?

Answer options

• A. Macro virus
• B. Stealth/Tunneling virus
• C. Cavity virus
• D. Polymorphic virus

Correct answer: B

Explanation

The Stealth/Tunneling virus is specifically designed to evade detection by altering system calls, making it a significant threat to antivirus programs. In contrast, Macro viruses typically target documents and are less about hiding, while Cavity viruses and Polymorphic viruses have different methods of infection and evasion that do not primarily involve manipulating service call interruptions.