Certified Ethical Hacker CEH · Free Practice Question Medium
Question 89
Danny, a black hat hacker, has taken control of a compromised network. Now, he wants to identify the versions of different services and applications running on identified open ports. On the basis of version, he will be able to determine potential vulnerabilities that can be exploited. Which of the following nmap options should he use?
- A A. "-sS"
- B B. “-sX”
- C C. “-sV”
- D D. "-sT"
Reveal correct answer
Correct answer: C
Explanation
Correct Answer: C. “-sV” Explanation: A. The -sS option is used to perform a stealth SYN scan, which can be used to determine if the target host is alive and which ports are open. B. The -sX option is used to perform a Xmas scan, which can be used to identify open ports and potential vulnerabilities in the TCP/IP stack. C. The -sV option performs service version detection and can provide valuable information that can help identify potential vulnerabilities that can be exploited. D. The -sT option is used to perform a TCP connect scan, which can be used to identify open ports and their associated services.Discussion
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