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Q1. Which of the following activities would not be considered passive footprinting?
A. Search on financial site such as Yahoo Financial
B. Perform multiple queries through a search engine
C. Scan the range of IP address found in their DNS database
D. Go through the rubbish to find out any information that might have been discarded
Answer: C
Explanation: Passive footprinting is a method in which the attacker never makes contact with the target. Scanning the targets IP addresses can be logged at the target and therefore contact has been made.
Q2. What is the proper response for a NULL scan if the port is open?
A. SYN
B. ACK
C. FIN
D. PSH
E. RST
F. No response
Answer: F
Explanation: A NULL scan will have no response if the port is open.
Q3. Paula works as the primary help desk contact for her company. Paula has just received a call from a user reporting that his computer just displayed a Blue Screen of Death screen and he ca no longer work. Paula walks over to the user’s computer and sees the Blue Screen of Death screen. The user’s computer is running Windows XP, but the Blue screen looks like a familiar one that Paula had seen a Windows 2000 Computers periodically.
The user said he stepped away from his computer for only 15 minutes and when he got back, the Blue Screen was there. Paula also noticed that the hard drive activity light was flashing meaning that the computer was processing some thing. Paula knew this should not be the case since the computer should be completely frozen during a Blue screen. She checks the network IDS live log entries and notices numerous nmap scan alerts.
What is Paula seeing happen on this computer?
A. Paula’s Network was scanned using FloppyScan
B. Paula’s Netwrok was scanned using Dumpsec
C. There was IRQ conflict in Paula’s PC
D. Tool like Nessus will cause BSOD
Answer: A
Explanation: Floppyscan is a dangerous hacking tool which can be used to portscan a system using a floppy disk Bootsup mini Linux Displays Blue screen of death screen Port scans the network using NMAP Send the results by e-mail to a remote server.
Q4. 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 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 target-gw1.customer.alter.net (65.195.239.14) 51.921 ms 51.571 ms
56.855 ms 19 www.target.com <http://www.target.com/> (65.195.239.22) 52.191 ms
52.571 ms 56.855 ms 20 www.target.com <http://www.target.com/> (65.195.239.22) 53.561 ms
54.121 ms 58.333 ms
You perform the above traceroute and notice that hops 19 and 20 both show the same IP address. This probably indicates what?
A. A host based IDS
B. A Honeypot
C. A stateful inspection firewall
D. An application proxying firewall
Answer: C
Q5. Sandra is conducting a penetration test for ABC.com. She knows that ABC.com is using wireless networking for some of the offices in the building right down the street. Through social engineering she discovers that they are using 802.11g. Sandra knows that 802.11g uses the same 2.4GHz frequency range as 802.11b. Using NetStumbler and her 802.11b wireless NIC, Sandra drives over to the building to map the wireless networks. However, even though she repositions herself around the building several times, Sandra is not able to detect a single AP.
What do you think is the reason behind this?
A. Netstumbler does not work against 802.11g.
B. You can only pick up 802.11g signals with 802.11a wireless cards.
C. The access points probably have WEP enabled so they cannot be detected.
D. The access points probably have disabled broadcasting of the SSID so they cannot be detected.
E. 802.11g uses OFDM while 802.11b uses DSSS so despite the same frequency and 802.11b card cannot see an 802.11g signal.
F. Sandra must be doing something wrong, as there is no reason for her to not see the signals.
Answer: D
Explanation: Netstumbler can not detect networks that do not respond to broadcast requests.
Q6. Jack Hacker wants to break into Brown Co.'s computers and obtain their secret double fudge cookie recipe. Jack calls Jane, an accountant at Brown Co., pretending to be an administrator from Brown Co. Jack tells Jane that there has been a problem with some accounts and asks her to tell him her password 'just to double check our records'. Jane believes that Jack is really an administrator, and tells him her password. Jack now has a user name and password, and can access Brown Co.'s computers, to find the cookie recipe. This is an example of what kind of attack?
A. Reverse Psychology
B. Social Engineering
C. Reverse Engineering
D. Spoofing Identity
E. Faking Identity
Answer: B
Explanation: This is a typical case of pretexting. Pretexting is the act of creating and using an invented scenario (the pretext) to persuade a target to release information or perform an action and is usually done over the telephone.
Q7. Lori is a Certified Ethical Hacker as well as a Certified Hacking Forensics Investigator working as an IT security consultant. Lori has been hired on by Kiley Innovators, a large marketing firm that recently underwent a string of thefts and corporate espionage incidents. Lori is told that a rival marketing company came out with an exact duplicate product right before Kiley Innovators was about to release it. The executive team believes that an employee is leaking information to the rival company. Lori questions all employees, reviews server logs, and firewall logs; after which she finds nothing. Lori is then given permission to search through the corporate email system. She searches by email being sent to and sent from the rival marketing company.
She finds one employee that appears to be sending very large email to this other marketing company, even though they should have no reason to be communicating with them. Lori tracks down the actual emails sent and upon opening them, only finds picture files attached to them. These files seem perfectly harmless, usually containing some kind of joke. Lori decides to use some special software to further examine the pictures and finds that each one had hidden text that was stored in each picture.
What technique was used by the Kiley Innovators employee to send information to the rival marketing company?
A. The Kiley Innovators employee used cryptography to hide the information in the emails sent
B. The method used by the employee to hide the information was logical watermarking
C. The employee used steganography to hide information in the picture attachments
D. By using the pictures to hide information, the employee utilized picture fuzzing
Answer: C
Q8. You are having problems while retrieving results after performing port scanning during internal testing. You verify that there are no security devices between you and the target system. When both stealth and connect scanning do not work, you decide to perform a NULL scan with NMAP. The first few systems scanned shows all ports open.
Which one of the following statements is probably true?
A. The systems have all ports open.
B. The systems are running a host based IDS.
C. The systems are web servers.
D. The systems are running Windows.
Answer: D
Explanation: The null scan turns off all flags, creating a lack of TCP flags that should never occur in the real world. If the port is closed, a RST frame should be returned and a null scan to an open port results in no response. Unfortunately Microsoft (like usual) decided to completely ignore the standard and do things their own way. Thus this scan type will not work against systems running Windows as they choose not to response at all. This is a good way to distinguish that the system being scanned is running Microsoft Windows.
Q9. Harold just got home from working at Henderson LLC where he works as an IT technician. He was able to get off early because they were not too busy. When he walks into his home office, he notices his teenage daughter on the computer, apparently chatting with someone online. As soon as she hears Harold enter the room, she closes all her windows and tries to act like she was playing a game. When Harold asks her what she was doing, she acts very nervous and does not give him a straight answer. Harold is very concerned because he does not want his daughter to fall victim to online predators and the sort. Harold doesn't necessarily want to install any programs that will restrict the sites his daughter goes to, because he doesn't want to alert her to his trying to figure out what she is doing. Harold wants to use some kind of program that will track her activities online, and send Harold an email of her activity once a day so he can see what she has been up to. What kind of software could Harold use to accomplish this?
A. Install hardware Keylogger on her computer
B. Install screen capturing Spyware on her computer
C. Enable Remote Desktop on her computer
D. Install VNC on her computer
Answer: B
Q10. An employee wants to defeat detection by a network-based IDS application. He does not want to attack the system containing the IDS application.
Which of the following strategies can be used to defeat detection by a network-based IDS application? (Choose the best answer)
A. Create a network tunnel.
B. Create a multiple false positives.
C. Create a SYN flood.
D. Create a ping flood.
Answer: A
Explanation: Certain types of encryption presents challenges to network-based intrusion detection and may leave the IDS blind to certain attacks, where a host-based IDS analyzes the data after it has been decrypted.
Q11. Which of the following countermeasure can specifically protect against both the MAC Flood and MAC Spoofing attacks?
A. Port Security
B. Switch Mapping
C. Port Reconfiguring
D. Multiple Recognition
Answer: A
Explanation: With Port Security the switch will keep track of which ports are allowed to send traffic on a port.
Q12. Neil is an IT security consultant working on contract for Davidson Avionics. Neil has been hired to audit the network of Davidson Avionics. He has been given permission to perform any tests necessary. Neil has created a fake company ID badge and uniform. Neil waits by one of the company's entrance doors and follows an employee into the office after they use their valid access card to gain entrance. What type of social engineering attack has Neil employed here?
A. Neil has used a tailgating social engineering attack to gain access to the offices
B. He has used a piggybacking technique to gain unauthorized access
C. This type of social engineering attack is called man trapping
D. Neil is using the technique of reverse social engineering to gain access to the offices of Davidson Avionics
Answer: A
Q13. ou wish to determine the operating system and type of web server being used. At the same time you wish to arouse no suspicion within the target organization.
While some of the methods listed below work, which holds the least risk of detection?
A. Make some phone calls and attempt to retrieve the information using social engineering.
B. Use nmap in paranoid mode and scan the web server.
C. Telnet to the web server and issue commands to illicit a response.
D. Use the netcraft web site look for the target organization’s web site.
Answer: D
Explanation: Netcraft is providing research data and analysis on many aspects of the Internet. Netcraft has explored the Internet since 1995 and is a respected authority on the market share of web servers, operating systems, hosting providers, ISPs, encrypted transactions, electronic commerce, scripting languages and content technologies on the internet.
Q14. Bob is a Junior Administrator at ABC.com is searching the port number of POP3 in a file. The partial output of the file is look like:
In which file he is searching?
A. services
B. protocols
C. hosts
D. resolve.conf
Answer: A
Explanation: The port numbers on which certain standard services are offered are defined in the RFC 1700 Assigned Numbers. The /etc/services file enables server and client programs to convert service names to these numbers -ports. The list is kept on each host and it is stored in the file /etc/services.
Q15. Jim was having no luck performing a penetration test on his company’s network. He was running the test from home and had downloaded every security scanner he could lay his hands on. Despite knowing the IP range of all of the systems and the exact network configuration, Jim was unable to get any useful results. Why is Jim having these problems?
A. Security scanners can’t perform vulnerability linkage
B. Security Scanners are not designed to do testing through a firewall
C. Security Scanners are only as smart as their database and can’t find unpublished vulnerabilities
D. All of the above
Answer: D
Explanation: Security scanners are designed to find vulnerabilities but not to use them, also they will only find well known vulnerabilities that and no zero day exploits. Therefore you can’t use a security scanner for penetration testing but need a more powerful program.