312-50v8 無料問題集「EC-COUNCIL Certified Ethical Hacker v8」

What happens during a SYN flood attack?

解説: (JPNTest メンバーにのみ表示されます)
Michael is a junior security analyst working for the National Security Agency (NSA) working primarily on breaking terrorist encrypted messages. The NSA has a number of methods they use to decipher encrypted messages including Government Access to Keys (GAK) and inside informants. The NSA holds secret backdoor keys to many of the encryption algorithms used on the Internet. The problem for the NSA, and Michael, is that terrorist organizations are starting to use custom-built algorithms or obscure algorithms purchased from corrupt governments. For this reason, Michael and other security analysts like him have been forced to find different methods of deciphering terrorist messages. One method that Michael thought of using was to hide malicious code inside seemingly harmless programs. Michael first monitors sites and bulletin boards used by known terrorists, and then he is able to glean email addresses to some of these suspected terrorists. Michael then inserts a stealth keylogger into a mapping program file readme.txt and then sends that as an attachment to the terrorist. This keylogger takes screenshots every 2 minutes and also logs all keyboard activity into a hidden file on the terrorist's computer. Then, the keylogger emails those files to Michael twice a day with a built in SMTP server. What technique has Michael used to disguise this keylogging software?

Which element of Public Key Infrastructure (PKI) verifies the applicant?

"Testing the network using the same methodologies and tools employed by attackers" Identify the correct terminology that defines the above statement.

How does an operating system protect the passwords used for account logins?

While footprinting a network, what port/service should you look for to attempt a zone transfer?

解説: (JPNTest メンバーにのみ表示されます)
What results will the following command yielD. 'NMAP -sS -O -p 123-153 192.168.100.3'?

What is the problem with this ASP script (login.asp)?

Sandra has been actively scanning the client network on which she is doing a vulnerability assessment test. While conducting a port scan she notices open ports in the range of 135 to 139. What protocol is most likely to be listening on those ports?

解説: (JPNTest メンバーにのみ表示されます)
What does a type 3 code 13 represent?(Choose two.

正解:C、F 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Which of the following type of scanning utilizes automated process of proactively identifying vulnerabilities of the computing systems present on a network?

Which of the following wireless technologies can be detected by NetStumbler? (Select all
that apply)

正解:C、D、E 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
You perform the above traceroute and notice that hops 19 and 20 both show the same IP address.

This probably indicates what?

A circuit level gateway works at which of the following layers of the OSI Model?

You are doing IP spoofing while you scan your target. You find that the target has port 23 open. Anyway you are unable to connect. Why?

解説: (JPNTest メンバーにのみ表示されます)
Which of the following items is unique to the N-tier architecture method of designing software applications?

Bill has successfully executed a buffer overflow against a Windows IIS web server. He has been able to spawn an interactive shell and plans to deface the main web page. He first attempts to use the "echo" command to simply overwrite index.html and remains unsuccessful. He then attempts to delete the page and achieves no progress. Finally, he tries to overwrite it with another page in which also he remains unsuccessful. What is the probable cause of Bill's problem?

A security engineer is attempting to map a company's internal network. The engineer enters in the following NMAP commanD.
NMAP -n -sS -P0 -p 80 ***.***.**.**
What type of scan is this?

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