Câu 270: SY0-401: CompTIA Security+

During a server audit, a security administrator does not notice abnormal activity. However, a network security analyst notices connections to unauthorized ports from outside the corporate network. Using specialized tools, the network security analyst also notices hidden processes running. Which of the following has MOST likely been installed on the server?

1. A. SPIM
2. B. Backdoor
3. C. Logic bomb
4. D. Rootkit — đáp án hiện tại