Câu 41: 312-50V13: Certified Ethical Hacker v13

An ethical hacker is performing a network scan to evaluate the security of a company's IT infrastructure. During the scan, he discovers an active host with multiple open ports running various services. The hacker uses TCP communication flags to establish a connection with the host and starts communicating with it. He sends a SYN packet to a port on the host and receives a SYN/ACK packet back. He then sends an ACK packet for the received SYN/ACK packet, which triggers an open connection. Which of the following actions should the ethical hacker perform next?

1. A. Send a PSH packet to inform the receiving application about the buffered data.
2. B. Conduct a vulnerability scan on the open port to identify any potential weaknesses. — đáp án hiện tại
3. C. Scan another port on the same host using the SYN, ACK, and RST flags.
4. D. Send a FIN or RST packet to close the connection.