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QUESTION 841What type of attack changes its signature and/or payload to avoid detection by antivirus programs?A. PolymorphicB. RootkitC. Boot sectorD. File infectingAnswer: A In computer terminology,polymorphic code is code that mutates while keeping the original algorithm intact. This technique is sometimes used by computer viruses,shellcodes and computer worms to hide their presence.QUESTION 842You may be able to identify the … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 841-850

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QUESTION 831Bill 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 pEchoq command to simply overwrite index.html and remains unsuccessful. He then attempts to delete the page and achieves no … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 831-840

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QUESTION 821Which one of the following attacks will pass through a network layer intrusion detection system undetected?A. A teardrop attackB. A SYN flood attackC. A DNS spoofing attackD. A test.cgi attackAnswer: D Because a network-based IDS reviews packets and headers,it can also detect denial of service (DoS) attacks Not A or B: The following sections discuss some of … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 821-830

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QUESTION 811Rebecca is a security analyst and knows of a local root exploit that has the ability to enable local users to use available exploits to gain root privileges. This vulnerability exploits a condition in the Linux kernel within the execve() system call. There is no known workaround that exists for this vulnerability. What is the … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 811-820

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QUESTION 801Joe the Hacker breaks into XYZos Linux system and plants a wiretap program in order to sniff passwords and user accounts off the wire. The wiretap program is embedded as a Trojan horse in one of the network utilities. Joe is worried that network administrator might detect the wiretap program by querying the interfaces to … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 801-810

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QUESTION 791You find the following entries in your web log. Each shows attempted access to either root.exe or cmd.exe.What caused this?A. The Morris wormB. The PIF virusC. TrinooD. NimdaE. Code RedF. Ping of DeathAnswer: D The Nimda worm modifies all web content files it finds. As a result,any user browsing web content on the system,whether via the file … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 791-800

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QUESTION 781Derek has stumbled upon a wireless network and wants to assess its security. However, he does not find enough traffic for a good capture. He intends to use AirSnort on the captured traffic to crack the WEP key and does not know the IP address range or the AP. How can he generate traffic on … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 781-790

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QUESTION 771802.11b is considered a ____________ protocol.A. ConnectionlessB. SecureC. UnsecureD. Token ring basedE. UnreliableAnswer: C 802.11b is an insecure protocol. It has many weaknesses that can be used by a hacker.QUESTION 772While probing an organization you discover that they have a wireless network. From your attempts to connect to the WLAN you determine that they have deployed MAC filtering … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 771-780

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QUESTION 761Look at the following SQL query.SELECT * FROM product WHERE PCategory=’computers’ or 1=1–’What will it return? Select the best answer.A. All computers and all 1′sB. All computersC. All computers and everything elseD. Everything except computersAnswer: C The 1=1 tells the SQL database to return everything,a simplified statement would be SELECT * FROM product WHERE 1=1 (which will … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 761-770

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QUESTION 751_________ ensures that the enforcement of organizational security policy does not rely on voluntary web application user compliance. It secures information by assigning sensitivity labels on information and comparing this to the level of security a user is operating at.A. Mandatory Access ControlB. Authorized Access ControlC. Role-based Access ControlD. Discretionary Access ControlAnswer: A In computer security,mandatory access … Đọc tiếp Latest ECCouncil 312-50v8 Real Exam Download 751-760