Which of the following statements are true about firewalking?
Each correct answer represents a complete solution. Choose all that apply.
Correct Answer:ABC
John works as a Network Administrator for We-are-secure Inc. He finds that TCP port 7597 of the Weare- secure server is open. He suspects that it may be open due to a Trojan installed on the server. He presents a report to the company describing the symptoms of the Trojan. A summary of the report is given below:
Once this Trojan has been installed on the computer, it searches Notpad.exe, renames it Note.com, and then copies itself to the computer as Notepad.exe. Each time Notepad.exe is executed, the Trojan executes and calls the original Notepad to avoid being noticed.
Which of the following Trojans has the symptoms as the one described above?
Correct Answer:B
You are hired as a Database Administrator for Jennifer Shopping Cart Inc. You monitor the server health through the System Monitor and found that there is a sudden increase in the number of logins.
A case study is provided in the exhibit. Which of the following types of attack has occurred? (Click the Exhibit button on the toolbar to see the case study.)
Correct Answer:D
Which of the following is a method of gaining access to a system that bypasses normal authentication?
Correct Answer:C
John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based network. The company is aware of various types of security attacks and wants to impede them. Hence, management has assigned John a project to port scan the company's Web Server. For this, he uses the nmap port scanner and issues the following command to perform idle port scanning:
nmap -PN -p- -sI IP_Address_of_Company_Server
He analyzes that the server's TCP ports 21, 25, 80, and 111 are open.
Which of the following security policies is the company using during this entire process to mitigate the risk of hacking attacks?
Correct Answer:D