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Q1. System Administrators sometimes post questions to newsgroups when they run into technical challenges. As an ethical hacker, you could use the information in newsgroup posting to glean insight into the makeup of a target network. How would you search for these posting using Google search?
A. Search in Google using the key strings “the target company” and “newsgroups”
B. Search for the target company name at http://groups.google.com
C. Use NNTP websites to search for these postings
D. Search in Google using the key search strings “the target company” and “forums”
Answer: B
Explanation: Using http://groups.google.com is the easiest way to access various newsgroups today. Before http://groups.google.com you had to use special NNTP clients or subscribe to some nntp to web services.
Q2. Which of the following type of scanning utilizes automated process of proactively identifying vulnerabilities of the computing systems present on a network?
A. Port Scanning
B. Single Scanning
C. External Scanning
D. Vulnerability Scanning
Answer: D
Q3. You are the security administrator of Jaco Banking Systems located in Boston. You are setting up e-banking website (http://www.ejacobank.com) authentication system. Instead of issuing banking customer with a single password, you give them a printed list of 100 unique passwords. Each time the customer needs to log into the e-banking system website, the customer enters the next password on the list. If someone sees them type the password using shoulder surfing, MiTM or keyloggers, then no damage is done because the password will not be accepted a second time. Once the list of 100 passwords is almost finished, the system automatically sends out a new password list by encrypted e-mail to the customer.
You are confident that this security implementation will protect the customer from password abuse.
Two months later, a group of hackers called "HackJihad" found a way to access the one-time password list issued to customers of Jaco Banking Systems. The hackers set up a fake website (http://www.e-jacobank.com) and used phishing attacks to direct ignorant customers to it. The fake website asked users for their e-banking username and password, and the next unused entry from their one-time password sheet. The hackers collected 200 customer's username/passwords this way. They transferred money from the customer's bank account to various offshore accounts.
Your decision of password policy implementation has cost the bank with USD 925,000 to hackers. You immediately shut down the e-banking website while figuring out the next best security solution
What effective security solution will you recommend in this case?
A. Implement Biometrics based password authentication system. Record the customers face image to the authentication database
B. Configure your firewall to block logon attempts of more than three wrong tries
C. Enable a complex password policy of 20 characters and ask the user to change the password immediately after they logon and do not store password histories
D. Implement RSA SecureID based authentication system
Answer: D
Q4. Leesa is the senior security analyst for a publicly traded company. The IT department recently rolled out an intranet for company use only with information ranging from training, to holiday schedules, to human resources data. Leesa wants to make sure the site is not accessible from outside and she also wants to ensure the site is Sarbanes-Oxley (SOX) compliant. Leesa goes to a public library as she wants to do some Google searching to verify whether the company's intranet is accessible from outside and has been indexed by Google. Leesa wants to search for a website title of "intranet" with part of the URL containing the word "intranet" and the words "human resources" somewhere in the webpage.
What Google search will accomplish this?
A. related:intranet allinurl:intranet:"human resources"
B. cache:"human resources" inurl:intranet(SharePoint)
C. intitle:intranet inurl:intranet+intext:"human resources"
D. site:"human resources"+intext:intranet intitle:intranet
Answer: C
Q5. What is the name of the software tool used to crack a single account on Netware Servers using a dictionary attack?
A. NPWCrack
B. NWPCrack
C. NovCrack
D. CrackNov
E. GetCrack
Answer: B
Explanation: NWPCrack is the software tool used to crack single accounts on Netware servers.
Q6. Jack Hacker wants to break into company’s computers and obtain their secret double fudge cookie recipe. Jacks calls Jane, an accountant at company pretending to be an administrator from company. Jack tells Jane that there has been a problem with some accounts and asks her to verify her password with him “just to double check our records”. Jane does not suspect anything amiss, and parts with her password. Jack can now access company’s computers with a valid user name and password, to steal the cookie recipe.
What kind of attack is being illustrated here? (Choose the best answer)
A. Reverse Psychology
B. Reverse Engineering
C. Social Engineering
D. Spoofing Identity
E. Faking Identity
Answer: C
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. What port number is used by LDAP protocol?
A. 110
B. 389
C. 445
D. 464
Answer: B
Explanation: Active Directory and Exchange use LDAP via TCP port 389 for clients.
Q8. Bret is a web application administrator and has just read that there are a number of surprisingly common web application vulnerabilities that can be exploited by unsophisticated attackers with easily available tools on the Internet.
He has also read that when an organization deploys a web application, they invite the world to send HTTP requests. Attacks buried in these requests sail past firewalls, filters, platform hardening, SSL, and IDS without notice because they are inside legal HTTP requests. Bret is determined to weed out any vulnerabilities. What are some common vulnerabilities in web applications that he should be concerned about?
A. Non-validated parameters, broken access control, broken account and session management, cross-side scripting and buffer overflows are just a few common vulnerabilities
B. No IDS configured, anonymous user account set as default, missing latest security patch, no firewall filters set and visible clear text passwords are just a few common vulnerabilities
C. Visible clear text passwords, anonymous user account set as default, missing latest security patch, no firewall filters set and no SSL configured are just a few common vulnerabilities
D. No SSL configured, anonymous user account set as default, missing latest security patch, no firewall filters set and an inattentive system administrator are just a few common vulnerabilities
Answer: A
Q9. Hayden is the network security administrator for her company, a large finance firm based in Miami. Hayden just returned from a security conference in Las Vegas where they talked about all kinds of old and new security threats; many of which she did not know of. Hayden is worried about the current security state of her company's network so she decides to start scanning the network from an external IP address. To see how some of the hosts on her network react, she sends out SYN packets to an IP range. A number of IPs responds with a SYN/ACK response. Before the connection is established she sends RST packets to those hosts to stop the session. She does this to see how her intrusion detection system will log the traffic. What type of scan is Hayden attempting here?
A. Hayden is attempting to find live hosts on her company's network by using an XMAS scan
B. She is utilizing a SYN scan to find live hosts that are listening on her network
C. The type of scan, she is using is called a NULL scan
D. Hayden is using a half-open scan to find live hosts on her network
Answer: D
Q10. Joe Hacker is going wardriving. He is going to use PrismStumbler and wants it to go to a GPS mapping software application. What is the recommended and well-known GPS mapping package that would interface with PrismStumbler?
Select the best answer.
A. GPSDrive
B. GPSMap
C. WinPcap
D. Microsoft Mappoint
Answer: A
Explanations:
GPSDrive is a Linux GPS mapping package. It recommended to be used to send PrismStumbler data to so that it can be mapped. GPSMap is a generic term and not a real software package. WinPcap is a packet capture library for Windows. It is used to capture packets and deliver them to other programs for analysis. As it is for Windows, it isn't going to do what Joe Hacker is wanting to do. Microsoft Mappoint is a Windows application. PrismStumbler is a Linux application. Thus, these two are not going to work well together.
Q11. Kevin is an IT security analyst working for Emerson Time Makers, a watch manufacturing company in Miami. Kevin and his girlfriend Katy recently broke up after a big fight. Kevin believes that she was seeing another person. Kevin, who has an online email account that he uses for most of his mail, knows that Katy has an account with that same company. Kevin logs into his email account online and gets the following URL after successfully logged in: http://www.youremailhere.com/mail.asp?mailbox=Kevin&Smith=121%22 Kevin changes the URL to: http://www.youremailhere.com/mail.asp?mailbox=Katy&Sanchez=121%22 Kevin is trying to access her email account to see if he can find out any information. What is Kevin attempting here to gain access to Katy's mailbox?
A. This type of attempt is called URL obfuscation when someone manually changes a URL to try and gain unauthorized access
B. By changing the mailbox's name in the URL, Kevin is attempting directory transversal
C. Kevin is trying to utilize query string manipulation to gain access to her email account
D. He is attempting a path-string attack to gain access to her mailbox
Answer: C
Q12. When Jason moves a file via NFS over the company's network, you want to grab a copy of it by sniffing. Which of the following tool accomplishes this?
A. macof
B. webspy
C. filesnarf
D. nfscopy
Answer: C
Explanation: Filesnarf - sniff files from NFS traffic
OPTIONS
-i interface
Specify the interface to listen on.
-v "Versus" mode. Invert the sense of matching, to
select non-matching files.
pattern
Specify regular expression for filename matching.
expression
Specify a tcpdump(8) filter expression to select
traffic to sniff.
SEE ALSO
Dsniff, nfsd
Q13. Joe the Hacker breaks into company’s 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 see if they are running in promiscuous mode.
Running “ifconfig –a” will produce the following:
# ifconfig –a
1o0: flags=848<UP,LOOPBACK,RUNNING,MULTICAST> mtu 8232
inet 127.0.0.1 netmask ff000000hme0:
flags=863<UP,BROADCAST,NOTRAILERS,RUNNING,PROMISC,MULTICAST> mtu inet 192.0.2.99 netmask ffffff00 broadcast 134.5.2.255 ether
8:0:20:9c:a2:35
What can Joe do to hide the wiretap program from being detected by ifconfig command?
A. Block output to the console whenever the user runs ifconfig command by running screen capture utiliyu
B. Run the wiretap program in stealth mode from being detected by the ifconfig command.
C. Replace original ifconfig utility with the rootkit version of ifconfig hiding Promiscuous information being displayed on the console.
D. You cannot disable Promiscuous mode detection on Linux systems.
Answer: C
Explanation: The normal way to hide these rogue programs running on systems is the use crafted commands like ifconfig and ls.
Q14. Which of the following best describes Vulnerability?
A. The loss potential of a threat
B. An action or event that might prejudice security
C. An agent that could take advantage of a weakness
D. A weakness or error that can lead to compromise
Answer: D
Explanation: A vulnerability is a flaw or weakness in system security procedures, design or implementation that could be exercised (accidentally triggered or intentionally exploited) and result in a harm to an IT system or activity.
Q15. 000 00 00 BA 5E BA 11 00 A0 C9 B0 5E BD 08 00 45 00 ...^......^...E. 010 05 DC 1D E4 40 00 7F 06 C2 6D 0A 00 00 02 0A 00 ....@....m...... 020 01 C9 00 50 07 75 05 D0 00 C0 04 AE 7D F5 50 10 ...P.u......}.P. 030 70 79 8F 27 00 00 48 54 54 50 2F 31 2E 31 20 32 py.'..HTTP/1.1.2 040 30 30 20 4F 4B 0D 0A 56 69 61 3A 20 31 2E 30 20 00.OK..Via:.1.0. 050 53 54 52 49 44 45 52 0D 0A 50 72 6F 78 79 2D 43 STRIDER..Proxy-C 060 6F 6E 6E 65 63 74 69 6F 6E 3A 20 4B 65 65 70 2D onnection:.Keep-070 41 6C 69 76 65 0D 0A 43 6F 6E 74 65 6E 74 2D 4C Alive..Content-L 080 65 6E 67 74 68 3A 20 32 39 36 37 34 0D 0A 43 6F ength:.29674..Co 090 6E 74 65 6E 74 2D 54 79 70 65 3A 20 74 65 78 74 ntent-Type:.text 0A0 2F 68 74 6D 6C 0D 0A 53 65 72 76 65 72 3A 20 4D /html..Server:. 0B0 69 63 72 6F 73 6F 66 74 2D 49 49 53 2F 34 2E 30 ..Microsoft 0C0 0D 0A 44 61 74 65 3A 20 53 75 6E 2C 20 32 35 20 ..Date:.Sun,.25. 0D0 4A 75 6C 20 31 39 39 39 20 32 31 3A 34 35 3A 35 Jul.1999.21:45:5 0E0 31 20 47 4D 54 0D 0A 41 63 63 65 70 74 2D 52 61 1.GMT..Accept-Ra 0F0 6E 67 65 73 3A 20 62 79 74 65 73 0D 0A 4C 61 73 nges:.bytes..Las 100 74 2D 4D 6F 64 69 66 69 65 64 3A 20 4D 6F 6E 2C t-Modified:.Mon,
110 20 31 39 20 4A 75 6C 20 31 39 39 39 20 30 37 3A .19.Jul.1999.07: 120 33 39 3A 32 36 20 47 4D 54 0D 0A 45 54 61 67 3A 39:26.GMT..ETag: 130 20 22 30 38 62 37 38 64 33 62 39 64 31 62 65 31 ."08b78d3b9d1be1 140 3A 61 34 61 22 0D 0A 0D 0A 3C 74 69 74 6C 65 3E :a4a"....<title> 150 53 6E 69 66 66 69 6E 67 20 28 6E 65 74 77 6F 72 Sniffing.(networ 160 6B 20 77 69 72 65 74 61 70 2C 20 73 6E 69 66 66 k.wiretap,.sniff 170 65 72 29 20 46 41 51 3C 2F 74 69 74 6C 65 3E 0D er).FAQ</title>. 180 0A 0D 0A 3C 68 31 3E 53 6E 69 66 66 69 6E 67 20 ...<h1>Sniffing. 190 28 6E 65 74 77 6F 72 6B 20 77 69 72 65 74 61 70 (network.wiretap 1A0 2C 20 73 6E 69 66 66 65 72 29 20 46 41 51 3C 2F ,.sniffer).FAQ</ 1B0 68 31 3E 0D 0A 0D 0A 54 68 69 73 20 64 6F 63 75 h1>....This.docu 1C0 6D 65 6E 74 20 61 6E 73 77 65 72 73 20 71 75 65 ment.answers.que 1D0 73 74 69 6F 6E 73 20 61 62 6F 75 74 20 74 61 70 stions.about.tap 1E0 70 69 6E 67 20 69 6E 74 6F 20 0D 0A 63 6F 6D 70 ping.into...comp 1F0 75 74 65 72 20 6E 65 74 77 6F 72 6B 73 20 61 6E uter.networks.an
This packet was taken from a packet sniffer that monitors a Web server.
This packet was originally 1514 bytes long, but only the first 512 bytes are shown here. This is the standard hexdump representation of a network packet, before being decoded. A hexdump has three columns: the offset of each line, the hexadecimal data, and the ASCII equivalent. This packet contains a 14-byte Ethernet header, a 20-byte IP header, a 20-byte TCP header, an HTTP header ending in two line-feeds (0D 0A 0D 0A) and then the data. By examining the packet identify the name and version of the Web server?
A. Apache 1.2
B. IIS 4.0
C. IIS 5.0
D. Linux WServer 2.3
Answer: B
Explanation: We see that the server is Microsoft, but the exam designer didn’t want to make it easy for you. So what they did is blank out the IIS 4.0. The key is in line “0B0” as you see: 0B0 69 63 72 6F 73 6F 66 74 2D 49 49 53 2F 34 2E 30 ..Microsoft
49 is I, so we get II 53 is S, so we get IIS 2F is a space 34 is 4 2E is . 30 is 0 So we get IIS 4.0
The answer is B
If you don’t remember the ASCII hex to Character, there are enough characters and numbers already converted. For example, line “050” has STRIDER which is 53 54 52 49 44 45 52 and gives you the conversion for the “I:” and “S” characters (which is “49” and “53”).