Perform Banner Grabbing

Introduction

Welcome to the Perform Banner Grabbing Practice Lab. In this module you will be provided with the instructions and devices needed to develop your hands-on skills.

Learning Outcomes

In this module, you will complete the following exercises:

• Performing Banner Grabbing

After completing this lab, you will be able to:

• Enable HTTP Web Service on PLABSA01
• Perform Banner Grabbing using Telnet
• Perform Banner Grabbing using Netcat
• Perform Banner Grabbing using Nmap

Exam Objectives

The following exam objectives are covered in this lab:

• CAS-003 2.1 Analyze a scenario and integrate network and security components, concepts and architectures to meet security requirement.
• CAS-003 2.2 Analyze a scenario to integrate security controls for host devices to meet security requirements.
• CAS-003 3.2 Analyze a scenario or output and select the appropriate tool for a security assessment.

Lab Duration

It will take approximately 1 hour to complete this lab.

Exercise 1 - Performing Banner Grabbing

Banners are text-based welcome screens from remote hosts that display system information. Banner grabbing enables you to retrieve information about a computer system on a network and capture banners of open ports. You can perform banner grabbing using tools such as Telnet, Netcat, and Nmap.

In this exercise, you will grab banners served by the DVWA application running on port 80 on the PLABSA01 device. You will use Telnet, Netcat and Nmap to perform this technique.

Learning Outcomes

After completing this exercise, you will be able to:

• Enable HTTP Web Service on PLABSA01
• Perform Banner Grabbing using Telnet
• Perform Banner Grabbing using Netcat
• Perform Banner Grabbing using Nmap