Which of the following actions will an attacker be able to initiate directly against this host?

Given the Nmap request below:

Which of the following actions will an attacker be able to initiate directly against this host?
A . Password sniffing
B . ARP spoofing
C . A brute-force attack
D . An SQL injection

View Answer

Answer: C

Explanation:

The Nmap command given in the question performs a TCP SYN scan (-sS), a service version detection scan (-sV), an OS detection scan (-O), and a port scan for ports 1-1024 (-p 1-1024) on the host 192.168.1.1. This command will reveal information about the host’s operating system, open ports, and running services, which can be used by an attacker to launch a brute-force attack against the host. A brute-force attack is a method of guessing passwords or encryption keys by trying many possible combinations until finding the correct one. An attacker can use the information from the Nmap scan to target specific services or protocols that may have weak or default credentials, such as FTP, SSH, Telnet, or HTTP.