Adam, a malicious hacker has successfully gained unauthorized access to the Linux system of Umbrella Inc. Web server of the company runs on Apache. He has downloaded sensitive documents and database files from the computer.
After performing these malicious tasks, Adam finally runs the following command on the Linux command box before disconnecting.
for (( i = 0;i<11;i++ )); do dd if=/dev/random of=/dev/hda && dd if=/dev/zero of=/dev/hda done
Which of the following actions does Adam want to perform by the above command?
You work as a Network Administrator for InformSec Inc. You find that the TCP port number 23476 is open on your server. You suspect that there may be a Trojan named Donald Dick installed on your server. Now you want to verify whether Donald Dick is installed on it or not. For this, you want to know the process running on port 23476, as well as the process id, process name, and the path of the process on your server. Which of the following applications will you most likely use to accomplish the task?
Which of the following nmap command parameters is used for TCP SYN port scanning?
Buffer overflows are one of the major errors used for exploitation on the Internet today. A buffer overflow occurs
when a particular operation/function writes more data into a variable than the variable was designed to hold.
Which of the following are the two popular types of buffer overflows?
Each correct answer represents a complete solution. Choose two.
