Câu 57: 412-79V8: EC-Council Certified Security Analyst

Attackers create secret accounts and gain illegal access to resources using backdoor while bypassing the authentication procedures. Creating a backdoor is a where an attacker obtains remote access to a computer on a network. Which of the following techniques do attackers use to create backdoors to covertly gather critical information about a target machine?

1. A. Internal network mapping to map the internal network of the target machine
2. B. Port scanning to determine what ports are open or in use on the target machine
3. C. Sniffing to monitor all the incoming and outgoing network traffic
4. D. Social engineering and spear phishing attacks to install malicious programs on the target machine — đáp án hiện tại