312-50v13 Exam Question 6
ViruXine.W32 virus hides its presence by changing the underlying executable code. This virus code mutates while keeping the original algorithm intact - the code changes itself each time it runs, but the function of the code (its semantics) does not change at all.
Here is a section of the virus code (refer to image), where the loop performs XOR encryption and changes the way the code looks every time it is executed.
What is this technique called?
Here is a section of the virus code (refer to image), where the loop performs XOR encryption and changes the way the code looks every time it is executed.
What is this technique called?
312-50v13 Exam Question 7
Bob, a network administrator at BigUniversity, realized that some students are connecting their notebooks in the wired network to have Internet access. In the university campus, there are many Ethernet ports available for professors and authorized visitors but not for students.
He identified this when the IDS alerted for malware activities in the network. What should Bob do to avoid this problem?
He identified this when the IDS alerted for malware activities in the network. What should Bob do to avoid this problem?
312-50v13 Exam Question 8
infecting a system with malware and using phishing to gain credentials to a system or web application are examples of which phase of the ethical hacking methodology?
312-50v13 Exam Question 9
Bob, your senior colleague, has sent you a mail regarding a deal with one of the clients. You are requested to accept the offer and you oblige. After 2 days, Bab denies that he had ever sent a mail. What do you want to
""know"" to prove yourself that it was Bob who had send a mail?
""know"" to prove yourself that it was Bob who had send a mail?
312-50v13 Exam Question 10
A zone file consists of which of the following Resource Records (RRs)?