CloudShark Blog

From the shark's mouth

Wednesday, Oct 25, 2017

Where can I find sample packet captures?

CloudShark’s capture repository is great for uploading your own captures and building a complete list of your network capture history and all of the captures that are most important to you. But, one of the most frequent questions we get is “Where can I find sample packet captures?“” Here’s our favorite resources for finding sample packet captures of various protocols and scenarios: Jeremy Stretch runs the blog packetlife.

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Wednesday, Oct 11, 2017

Getting and using KEYLOG files from cURL

Trying to debug a web application that is dependent on running over a secure connection is difficult. It used to be that it required you to have the private key (in RSA format) in order to do so, and for those situations, CloudShark Enterprise’s RSA Key Management system is ideal. The alternative is to grab a “keylog” file from your browser and use that within CloudShark to decrypt the stream.

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Thursday, Oct 5, 2017

Malware Analysis Exercise in CloudShark - 2017-09-19

Hi all! Tom here. You may remember me as the face of CloudShark Support, and your host in our last malware analysis packet capture challenge. I’ve been working through more of the traffic analysis exercises posted at, that we featured in our challenge. These exercises have been a great way to learn how to jump to packet captures first when looking at a potential malware attack. I found them really fun to go through and really digging deep into specific examples of malware and how it infects hosts and networks.

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Tuesday, Oct 3, 2017

Add Functionality with the CloudShark Chrome Extension

Deep in the explosive and risky CloudShark laboratory, we’ve been cooking up a special Chrome extension just for CloudShark users. Download the extension The extension adds the ability for Chrome users to right-click on a capture in the capture list view and go directly to an analysis tool, rather than opening the packet viewer first. It’s definitely something that’s been asked for by our users! In addition, we’ve uploaded the source of the extension as an open-source project on github.

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Thursday, Sep 7, 2017

Malware Analysis Webinar Challenge

Thanks to those who participated in our latest Challenge! You can watch the webinar walkthrough here: We’ve been a big fan of They have a huge archive with cool examples of malicious network attacks and malware attempts, and do a great job taking even newbies through the examples. We wanted to bring one of those examples to our users to see how to solve it in CloudShark.

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About Us

CloudShark is made by QA Cafe, a technology company based in Portsmouth, NH. Our passion for packet captures has grown out of our other product CDRouter.

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