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Wireshark: The Basics
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Wireshark: The Basics

·2 mins·
Mahir
Author
Mahir
I poke at code, dig into security, and write down whatever I learn along the way.
Table of Contents

Note: The questions are shortened for a cleaner view

Task 1 - Introduction
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The answers are already provided by THM.

1) File used to simulate the screenshots?
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Ans: http1.pcapng

2) File used to answer the questions?
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Ans: Exercise.pcapng


Task 2 - Tool Overview
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Looking at Statistics -> Capture File Properties

1) What is the flag?
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Ans: TryHackMe_Wireshark_Demo

2) Total number of packets?
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Ans: 58620

3) SHA256 hash value ?
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Ans: f446de335565fb0b0ee5e5a3266703c778b2f3dfad7efeaeccb2da5641a6d6eb


Task 3 - Packet Dissection
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Looking at the Application Data:

1) Markup Language used?
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Ans: eXtensible Markup Language

2) Arrival date of the packet?
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(Answer format: Month/Day/Year)

Looking at the Frame:

Ans: 05/13/2004

3) TTL value?
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Looking at IPv4:

Ans: 47

4) TCP payload size?
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Looking at Protocol:

Ans: 424

5) e-tag value?
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Looking at Hypertext Transfer Protocol:

Ans: 9a01a-4696-7e354b00

The HTTP ETag (entity tag) is an identifier for a specific version of a resource, used for caching efficiency and avoiding mid-air collisions.


Task 4 - Packet Navigation
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1) Name of artist 1?
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Ans: r4w8173

2) Go to packet 12. What is the answer?
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Getting the md5 sum of the image:

Ans: 911cd574a42865a956ccde2d04495ebf

3) Alien’s name?
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Exporting Packet Bytes of Line-based text data and viewing the file we get:

Ans: PACKETMASTER

4) Number of warnings?
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Looking at Analyze -> Expert Infromation

Ans: 1636


Task 5 - Packet Filtering
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1) Filter query?
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Ans: http

2) Number of displayed packets?
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Looking at the displayed packets with the filter http*

Ans: 1089

3) Total number of artists?
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<div id="content">
  <div class='story'>
    <a href='artists.php?artist=1'><h3>r4w8173</h3></a>
    <p><a href='#' onClick="window.open('./comment.php?aid=1','comment','width=500,height=400')">comment on this artist</a></p>
  </div>
  <div class='story'>
    <a href='artists.php?artist=2'><h3>Blad3</h3></a>
    <p><a href='#' onClick="window.open('./comment.php?aid=2','comment','width=500,height=400')">comment on this artist</a></p>
  </div>
  <div class='story'>
    <a href='artists.php?artist=3'><h3>lyzae</h3></a>
    <p><a href='#' onClick="window.open('./comment.php?aid=3','comment','width=500,height=400')">comment on this artist</a></p>
  </div>	
</div>

We get the above code block by searching for the term artist

Ans: 3

4) Name of the second artist?
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Ans: Blad3


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