You are monitoring your network's behavior. You find a sudden increase in traffic on the network. It seems to come in bursts and emanate from one specific machine. You have been able to determine that a user of that machine is unaware of the activity and lacks the computer knowledge required to be responsible for a computer attack. What attack might this indicate?
Which of the following types of channels is used by Trojans for communication?
Which of the following is an Internet mapping technique that relies on various BGP collectors that collect information such as routing updates and tables and provide this information publicly?
Which of the following is the method of hiding data within another media type such as graphic or document?
Which of the following threats is a combination of worm, virus, and Trojan horse characteristics?
Which of the following is the most common vulnerability that can affect desktop applications written in native code?
Which of the following procedures is designed to enable security personnel to identify, mitigate, and recover from malicious computer incidents, such as unauthorized access to a system or data, denialof-service, or unauthorized changes to system hardware, software, or data?
You want to create an SSH tunnel for POP and SMTP protocols. Which of the following commands will you run?
You work as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based network. You are working as a root user on the Linux operating system. Your company is facing an IP spoofing attack.
Which of the following tools will you use to get an alert saying that an upcoming IP packet is being spoofed?
Which of the following is a process of searching unauthorized modems?
Which of the following protocol loggers is used to detect ping sweep?
In which of the following attacks does an attacker use packet sniffing to read network traffic between two parties to steal the session cookie?
Which of the following applications is NOT used for passive OS fingerprinting?
When you conduct the XMAS scanning using Nmap, you find that most of the ports scanned do not give a response. What can be the state of these ports?
Fill in the blank with the appropriate name of the tool.
______ scans for rootkits by comparing SHA-1 hashes of important files with known good ones in online database.
Which of the following virus is a script that attaches itself to a file or template?
Which of the following programs is used for bypassing normal authentication for securing remote access to a computer?
Which of the following password cracking attacks is based on a pre-calculated hash table to retrieve plain text passwords?
Which of the following statements are true about tcp wrappers?
Each correct answer represents a complete solution. Choose all that apply.
Which of the following methods can be used to detect session hijacking attack?
Which of the following tools is used for vulnerability scanning and calls Hydra to launch a dictionary attack?
Adam works as a Security Analyst for Umbrella Inc. Company has a Windows-based network. All computers run on Windows XP. Manager of the Sales department complains Adam about the unusual behavior of his computer. He told Adam that some pornographic contents are suddenly appeared on his computer overnight. Adam suspects that some malicious software or Trojans have been installed on the computer. He runs some diagnostics programs and Port scanners and found that the Port 12345, 12346, and 20034 are open. Adam also noticed some tampering with the Windows registry, which causes one application to run every time when Windows start.
Which of the following is the most likely reason behind this issue?
Which of the following types of attacks is only intended to make a computer resource unavailable to its users?
Which of the following tools can be used for steganography?
Each correct answer represents a complete solution. Choose all that apply.
Which of the following takes control of a session between a server and a client using TELNET, FTP, or any other non-encrypted TCP/IP utility?
John works as a professional Ethical Hacker. He has been assigned a project to test the security of On the We-are-secure login page, he enters ='or''=' as a username and successfully logs in to the user page of the Web site.
The we-are-secure login page is vulnerable to a __________.
You run the following command while using Nikto Web scanner:
perl nikto.pl -h 192.168.0.1 -p 443
What action do you want to perform?
Which of the following is a computer worm that caused a denial of service on some Internet hosts and dramatically slowed down general Internet traffic?
You are responsible for security at a company that uses a lot of Web applications. You are most concerned about flaws in those applications allowing some attacker to get into your network. What method would be best for finding such flaws?
Adam works as a Security administrator for Umbrella Inc. He runs the following traceroute and notices that hops 19 and 20 both show the same IP address.
1 172.16.1.254 (172.16.1.254) 0.724 ms 3.285 ms 0.613 ms 2 ip68-98-176-1.nv.nv.cox.net
(68.98.176.1) 12.169 ms 14.958 ms 13.416 ms 3 ip68-98-176-1.nv.nv.cox.net
(68.98.176.1) 13.948 ms ip68-100-0-1.nv.nv. cox.net (68.100.0.1) 16.743 ms 16.207 ms 4 ip68-100-0-137.nv.nv.cox.net (68.100.0.137) 17.324 ms 13.933 ms 20.938 ms 5 68.1.1.4
(68.1.1.4) 12.439 ms 220.166 ms 204.170 ms
6 so-6-0-0.gar2.wdc1.Level3.net (67.29.170.1) 16.177 ms 25.943 ms 14.104 ms 7
unknown.Level3.net (209.247.9.173) 14.227 ms 17.553 ms 15.415 ms "PassGuide" - 8 so-0-1-0.bbr1.NewYork1.level3.net (64.159.1.41) 17.063 ms 20.960 ms 19.512 ms 9 so-7-0-0.gar1. NewYork1.Level3.net (64.159.1.182) 20.334 ms 19.440 ms 17.938 ms 10 so-4-0-0.edge1.NewYork1.Level3.
net (209.244.17.74) 27.526 ms 18.317 ms 21.202 ms 11 uunet-level3- oc48.NewYork1.Level3.net
(209.244.160.12) 21.411 ms 19.133 ms 18.830 ms 12 0.so-6-0-0.XL1.NYC4.ALTER.NET (152.63.21.78)
21.203 ms 22.670 ms 20.111 ms 13 0.so-2-0-0.TL1.NYC8.ALTER.NET (152.63.0.153) 30.929 ms 24.858 ms
23.108 ms 14 0.so-4-1-0.TL1.ATL5.ALTER.NET (152.63.10.129) 37.894 ms 33.244 ms
33.910 ms 15 0.so-7-0-0.XL1.MIA4.ALTER.NET (152.63.86.189) 51.165 ms 49.935 ms
49.466 ms 16 0.so-3-0-0.XR1.MIA4.ALTER.
NET (152.63.101.41) 50.937 ms 49.005 ms 51.055 ms 17 117.ATM6- 0.GW5.MIA1.ALTER.NET (152.63.82.73) 51.897 ms 50.280 ms 53.647 ms 18 PassGuidegw1. customer.alter.net (65.195.239.14) 51.921 ms 51.571 ms 56.855 ms 19 www.PassGuide.com (65.195.239.22) 52.191 ms 52.571 ms 56.855 ms 20 www.PassGuide.com (65.195.239.22) 53.561 ms 54.121 ms 58.333 ms
Which of the following is the most like cause of this issue?
Your company has been hired to provide consultancy, development, and integration services for a company named Brainbridge International. You have prepared a case study to plan the upgrade for the company. Based on the case study, which of the following steps will you suggest for configuring WebStore1?
Each correct answer represents a part of the solution. Choose two.
You work as a Penetration Tester for the Infosec Inc. Your company takes the projects of security auditing. Recently, your company has assigned you a project to test the security of the we-aresecure.com Web site. For this, you want to perform the idle scan so that you can get the ports open in the we-are-secure.com server. You are using Hping tool to perform the idle scan by using a zombie computer. While scanning, you notice that every IPID is being incremented on every query, regardless whether the ports are open or close. Sometimes, IPID is being incremented by more than one value.
What may be the reason?
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?
Adam works as a Network Administrator for PassGuide Inc. He wants to prevent the network from DOS attacks. Which of the following is most useful against DOS attacks?
Firekiller 2000 is an example of a __________.
Which of the following rootkits is used to attack against full disk encryption systems?
Which of the following is a technique for creating Internet maps?
Each correct answer represents a complete solution. Choose two.
Adam, a malicious hacker is sniffing the network to inject ARP packets. He injects broadcast frames onto the wire to conduct Man-in-The-Middle attack.
Which of the following is the destination MAC address of a broadcast frame?
Which of the following tools can be used as penetration tools in the Information system auditing process?
Each correct answer represents a complete solution. Choose two.
Which of the following can be used as a Trojan vector to infect an information system?
Each correct answer represents a complete solution. Choose all that apply.
You want to perform passive footprinting against we-are-secure Inc. Web server. Which of the following tools will you use?
Which of the following are open-source vulnerability scanners?
Fill in the blank with the appropriate name of the attack.
______ takes best advantage of an existing authenticated connection
You want to integrate the Nikto tool with nessus vulnerability scanner. Which of the following steps will you take to accomplish the task?
Each correct answer represents a complete solution. Choose two.
Your friend plans to install a Trojan on your computer. He knows that if he gives you a new version of chess.exe, you will definitely install the game on your computer. He picks up a Trojan and joins it with chess.exe. Which of the following tools are required in such a scenario?
Each correct answer represents a part of the solution. Choose three.
Fill in the blank with the appropriate name of the rootkit.
A _______ rootkit uses device or platform firmware to create a persistent malware image.
In which of the following methods does an hacker use packet sniffing to read network traffic between two parties to steal the session cookies?
Rick works as a Computer Forensic Investigator for BlueWells Inc. He has been informed that some confidential information is being leaked out by an employee of the company. Rick suspects that someone is sending the information through email. He checks the emails sent by some employees to other networks. Rick finds out that Sam, an employee of the Sales department, is continuously sending text files that contain special symbols, graphics, and signs. Rick suspects that Sam is using the Steganography technique to send data in a disguised form. Which of the following techniques is Sam using?
Each correct answer represents a part of the solution. Choose all that apply.
Which of the following programming languages are NOT vulnerable to buffer overflow attacks?
Each correct answer represents a complete solution. Choose two.
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