Hacking Capabilites via Rootkit

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Q: Rueben has been given the task of testing security for his employer’s website. He first installs a rootkit on the Linux server of the network. Once a rootkit has been installed, what capabilities will an attacker have on a system or network?

Answer is complete. Select more than one answer if applicable.

a. Attackers can secretly execute packet sniffers in order to grab passwords.

b. Attackers can conduct a buffer overflow or overrun.

c. Attackers will be able to input a Trojan in the OS to gain anytime access (also known as backdoor access).

d. Attackers are able to replace utility programs that otherwise might be used to detect their activity on the system.

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