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Ethical Hacking and Countermeasures Question 13 (page: 54)

Updated On: 10-Feb-2026

Exhibit

You receive an e-mail with the message displayed in the exhibit.
From this e-mail you suspect that this message was sent by some hacker since you have using their e-mail services for the last 2 years and they never sent out an e-mail as this. You also observe the URL in the message and confirm your suspicion about 340590649. You immediately enter the following at the Windows 2000 command prompt.
ping 340590649

You get a response with a valid IP address. What is the obstructed IP address in the e-mail URL?

  1. 192.34.5.9
  2. 10.0.3.4
  3. 203.2.4.5
  4. 199.23.43.4

Answer(s): C

Explanation:

Convert the number in binary, then start from last 8 bits and convert them to decimal to get the last octet (in this case .5)



Which of the following tools are used for footprinting?(Choose four.

  1. Sam Spade
  2. NSLookup
  3. Traceroute
  4. Neotrace
  5. Cheops

Answer(s): A,B,C,D

Explanation:

All of the tools listed are used for footprinting except Cheops.



What are twp types of ICMP code used when using the ping command?

  1. It uses types 0 and 8.
  2. It uses types 13 and 14.
  3. It uses types 15 and 17.
  4. The ping command does not use ICMP but uses UDP.

Answer(s): A

Explanation:

ICMP Type 0 = Echo Reply, ICMP Type 8 = Echo



A majority of attacks come from insiders, people who have direct access to a company's computer system as part of their job function or a business relationship. Who is considered an insider?

  1. The CEO of the company because he has access to all of the computer systems
  2. A government agency since they know the company computer system strengths and weaknesses
  3. Disgruntled employee, customers, suppliers, vendors, business partners, contractors, temps, and consultants
  4. A competitor to the company because they can directly benefit from the publicity generated by making such an attack

Answer(s): C

Explanation:

An insider is anyone who already has an foot inside one way or another.



Jane has just accessed her preferred e-commerce web site and she has seen an item she would like to buy. Jane considers the price a bit too steep; she looks at the page source code and decides to save the page locally to modify some of the page variables. In the context of web application security, what do you think Jane has changed?

  1. An integer variable
  2. A 'hidden' price value
  3. A 'hidden' form field value
  4. A page cannot be changed locally; it can only be served by a web server

Answer(s): C

Explanation:

Changing hidden form values is possible when a web site is poorly built and is trusting the visitors computer to submit vital data, like the price of a product, to the database.



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