Wireshark Zip Online

tshark -r capture.pcap -Y "tcp.payload contains PK\x03\x04" -T fields -e data | xxd -r -p > output.zip This extracts the raw payload data and converts it back to a binary ZIP file. Want to quickly see if the ZIP contains something interesting (like malware or a sensitive config)?

Next time you see that familiar PK signature in Wireshark, you’ll know exactly what to do. Have a favorite Wireshark extraction trick? Let me know in the comments. wireshark zip

But with a few clever tricks, you can extract, inspect, and even reconstruct ZIP files directly from a packet capture (pcap). tshark -r capture

unzip -l suspicious.zip Or, if you can’t write to disk: Have a favorite Wireshark extraction trick

Use zipdetails or unzip -l on the saved file:

"I see a lot of ZIP files in my packet capture. What’s inside them?"

If you’ve ever run a network analysis and noticed a flood of .zip traffic—whether from a file share, an email attachment, or a suspicious HTTP download—you know the frustration. Wireshark won’t let you just "double-click" the zip inside a packet.