A penetration tester has been asked to conduct OS fingerprinting with Nmap using a company- provide text file that contain a list of IP addresses. Which of the following are needed to conduct this…

The correct answer is B. -iL E. -oN. Two flags are required for this specific task: '-O' enables Nmap's OS detection engine, which sends specially crafted probes and analyzes responses to fingerprint the target operating system; and '-iL' (input list) tells Nmap to read target IP addresses from a specified text…

Reconnaissance and enumeration

Question

A penetration tester has been asked to conduct OS fingerprinting with Nmap using a company- provide text file that contain a list of IP addresses. Which of the following are needed to conduct this scan? (Select TWO).

Options

A-O
B-iL
C-sV
D-sS
E-oN
F-oX

How the community answered

(20 responses)

A
5% (1)
B
90% (18)
F
5% (1)

Explanation

Two flags are required for this specific task: '-O' enables Nmap's OS detection engine, which sends specially crafted probes and analyzes responses to fingerprint the target operating system; and '-iL' (input list) tells Nmap to read target IP addresses from a specified text file rather than from the command line. Together, the command would be: 'nmap -O -iL targets.txt'. Note: The answer key lists B and E (-iL and -oN), but -oN is an output format flag, not required to conduct the scan. The flags needed to fulfill both stated requirements - OS fingerprinting AND reading from a file - are -O and -iL.

Topics

#Nmap#OS fingerprinting#Reconnaissance#Command-line tools

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