The Topology Discovery Part 2 module provides you with the instructions and devices to develop your hands-on skills in the following topics.

  • OS Fingerprinting
  • Output Logs
  • Zenmap the NMAP GUI

Lab time: It will take approximately 1 hour to complete this lab.

Exam Objectives

  • CS0-001 1.1: Given a scenario, apply environmental reconnaissance techniques using appropriate tools and processes
  • CS0-001 1.2: Given a scenario, analyze the results of a network reconnaissance

Exercise 1 - OS Fingerprinting

Operating Systems (OS) have unique characteristics in its communication implementation that serve to identify it on a network. By analyzing certain protocol flags, options, and data in the packets a device sends onto the network, we can make relatively accurate guesses about the OS that sent those packets. OS fingerprinting is the process of that analysis.

In this exercise you will complete the following tasks:

  • Connect to your lab devices
  • OS application and version detection
  • Discover Remote Services
  • Scan with IP protocol
  • Scan for UDP services

Exercise 2 - Output Logs

Any security tool is only as useful as the output it generates. Complex tests and algorithms are of little value if they aren't presented in an organized and comprehensible fashion. Given the number of ways Nmap is used by people and other software, no single format can please everyone. So Nmap offers several formats, including the interactive mode for humans to read directly and XML for easy parsing by software.

In this exercise you will complete the following tasks:

  • Save Nmap Output Logs in different formats

Exercise 3 - Zenmap the Nmap GUI

In this exercise, you will use Zenmap and get used to the look of the graphical user interface which ties into Nmap. Zenmap is a great tool to use for those who prefer a graphical user interface. Further it assists with cleaning up all the data collected by Nmap and organizes it into useful tabs and columns.

In this exercise you will complete the following tasks:

  • Starting up Zenmap
  • Zenmap topology ping scan
  • Zenmap intense scan for topology discovery

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