'Decrypting QUIC UDP Payloads in Wireshark

I have a whole bunch of encrypted QUIC UDP packets I've managed to capture and narrow down from an online game. I believe these are the incoming chat messages. enter image description here

I'd like to decrypt these packets to see if I can read the raw data being sent. Is this possible? What information/settings do I need?



Solution 1:[1]

For decrypting QUIC packet in latest wireshark (not sure if works in older verison )

  1. Go to Edit->Preferences->Protocols
  2. select QUIC from drop down list
  3. select " Force decode of all QUIC Payload"

In wireshark version 3.2.3 at Edit->Preferences->Protocols->QUIC, add the QUIC UDP port. The wireshark will now decode these UDP packets as QUIC packets. It will decode the non-encrypted plain header fields of QUIC, however the encrypted part of QUIC remains encrypted and is just displayed with label "remaining payload". These steps are for decoding a QUIC UDP packet header fields and not for there decryption.

Sources

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