Part of this knowledge is understanding the three-way handshake used for TCP connections. Our requirements also include a basic knowledge of network traffic. As always, we recommend using the most recent version of Wireshark available for your environment. This tutorial uses Wireshark version 4.0.7 with a customized column display from the previous tutorial. Requirements also include using a recent version of Wireshark, at least version 3.6.2 or later. This tutorial requires readers to have reviewed and understand our previous Wireshark tutorial. Related Unit 42 TopicsĬonclusion Requirements and Supporting Material Palo Alto Networks customers receive protection from these threats through Cortex XDR and our Next-Generation Firewall with Cloud-Delivered Security Services that include WildFire and Advanced Threat Prevention. The pcaps in this tutorial contain traffic generated by Windows-based malware. It was first published in January 2019 and has been updated for 2023. This blog is the second in a series of Wireshark tutorials that provide customization options helpful for investigating malicious network traffic. This tutorial introduces display filter expressions useful to review pcaps of malicious network traffic from infected Windows hosts. In our previous tutorial, we customized Wireshark's column display. To more efficiently review this type of activity, we suggest users customize their Wireshark installation. Security professionals occasionally use Wireshark to review packet captures (pcaps) of malware-generated network traffic.
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