Networking/Computing Tips/Tricks

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Check out these great references as well: 

 Our custom profiles repository for Wireshark
 Our Udemy course on Wireshark 
 Our Udemy course on Wireless Packet capture

For those of you who love Wireshark and are asking the question:

How do I find what HTTPS site were visited within a capture?

I have a clever answer.

The problem is that Wireshark does Follow TCP and streams really well, but that assumes you have sort of found what you are looking for.

We begin with our HTTPS profile.  Profiles are one of the most important Wireshark capabilities.  Setting up and using different profiles for different environments, protocols, and tasks is a crucial skill that we teach in our Wireshark courses.  Let's say you went to the Wireshark site and tried to find some!  Suprisingly, here is what you would get:

Screen Shot 2014-09-01 at 10.58.47 AM

Whaaaaat?????

No worries.  We have an answer below:

Let's look at what you get with this default basic HTTPS profile.

Capture Filters

Here are the capture filters in this profile:

Screen Shot 2017 06 22 at 12.20.14 PM

Display Filters

Here are the display filters in this profile:

Screen Shot 2017 06 22 at 12.21.09 PM

Colorization:

We have not changed any of the default colors.

Columns

Here are the columns set up we like:

Screen Shot 2017 06 22 at 12.22.37 PM

Again, all of this is a great starting point.  What do you think we are missing?  What would you add?  Let us know in the comments below.

Let's look at how we can leverage this profile.

To learn the power of profiles, check out this video:

 

To download this zipped profile click here.  Make sure you unzip it into your personal folders, profiles subdirectory as shown in the video:

Screen Shot 2014-08-31 at 10.29.53 PM

How Do I use This?

Excellent question.  

The first thing to do is make sure the profile is in play.  Click on the profile area of the bottom information bar of Wireshark, and select the HTTPS profile.

Next, I apply the display filter called SSL Handshake Servers List.

These are all the packets that contain a HTTPS Client Hello packet via SSL to some server:

Screen Shot 2017 06 22 at 12.22.37 PM

We now see what sites have been visited in the Server Name column.

Select one of the packets of interest by clicking on it once (I selected the platform.twitter.com packet):

Screen Shot 2017 06 22 at 12.29.31 PM

Right click on the packet, select Follow> TCP Stream:

You will get the filtered TCP Stream (note in this case the filter is 'tcp.stream eq 13':

Screen Shot 2017 06 22 at 12.31.07 PM

Poof - you are there!

We hope this helps you with finding HTTPS sessions and Wireshark! The next question is how to decrypt this information.  I have written several articles on decryption:

  1. How to Decrypt HTTPS on Windows in Wireshark
  2. Leveraging SSL and TLS Decryption in Wireshark

Got a better way?  Or have a profile you would like to send to us?  Send it to andyw@cellstream.com - thanks in advance - we share profiles here.

Another way to find profiles, click on "Profile" in the tag cloud.

I hope you find this article and its content helpful.  Comments are welcomed below.  If you would like to see more articles like this, please support us by clicking the patron link where you will receive free bonus access to courses and more, or simply buying us a cup of coffee!, and all comments are welcome!

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