CompTIA CySA+ Exam: Implementing a Firewall Analysis Solution

Implementing a Firewall Analysis Solution

Question

A security analyst implemented a solution that would analyze the attacks that the organization's firewalls failed to prevent.

The analyst used the existing systems to enact the solution and executed the following command: $ sudo nc -1 "v "e maildaemon.py 25 > caplog.txt Which of the following solutions did the analyst implement?

Answers

Explanations

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A. B. C. D.

A.

The command that the security analyst executed was:

perl
$ sudo nc -1 "v "e maildaemon.py 25 > caplog.txt

This command is using the nc (netcat) command to listen on port 25 for incoming traffic and then redirecting the output to a file called caplog.txt. The sudo command is used to run this command with administrative privileges.

Based on this information, we can determine that the analyst has implemented a type of honeypot. A honeypot is a security mechanism designed to detect and deflect attempts at unauthorized use of information systems. In this case, the analyst has set up a system to listen on a network port that is commonly used for email traffic.

The purpose of this honeypot is to attract attackers and allow the security analyst to observe their behavior and tactics. By monitoring the traffic that is captured in the caplog.txt file, the analyst can identify attacks that were not blocked by the organization's firewalls.

Therefore, the correct answer to the question is D. Honeypot.