Hands-On Threat Hunting with Wireshark

Presented at DEF CON 33 (2025), Aug. 9, 2025, 9 a.m. (240 minutes).

What threats are hidden in network traffic? In this hands-on course, we’ll show you how to spot malicious activity hiding in plain sight. Learn how to filter noise, detect C2 traffic, and uncover stealthy attacks using real-world packet captures. Whether you're into blue teaming, incident response, or just love dissecting packets, this session will sharpen your network forensics skills!

Presenters:

  • Chris Greer - Packet Analyst
    Chris is a Packet Analyst at Packet Pioneer, specializing in network performance analysis and forensics using Wireshark. Whether he's investigating complex issues at the packet level or leading hands-on training sessions, Chris is passionate about helping others master the art of packet analysis. As a certified instructor and active contributor to the Wireshark Foundation, he regularly teaches interactive Wireshark courses for audiences of all sizes. Chris also shares bite-sized tips, analysis techniques, and troubleshooting strategies on his YouTube channel—making network forensics more accessible to analysts at every level.

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