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fullylegit / ja3

A wireshark/tshark plugin for the JA3 TLS Client Fingerprinting Algorithm
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ja3 tls-fingerprint tshark wireshark-dissector-plugin wireshark-lua wireshark-plugin

readme

JA3 - Wireshark/tshark plugin

An implementation of the JA3 TLS client fingerprinting algorithm for wireshark/tshark.

Installation

  1. Copy ja3.lua to the plugin folder
  2. Download a copy of md5.lua and copy it to the plugin folder
    • Alternatively Ubuntu users can install a compatible library by running apt install lua-md5

Usage

In Wireshark, for TLS or SSL packets, this plugin will display additional information. JA3 information in form of full info and MD5-hash for client handshake packets. JA3S information will be displayed for server hello packets.

wget https://raw.githubusercontent.com/fullylegit/ja3/master/ja3.lua
wget https://raw.githubusercontent.com/kikito/md5.lua/master/md5.lua

cp -r ja3.lua md5.lua /usr/lib/x86_64-linux-gnu/wireshark/plugins
wireshark==>analyzer==>reolad lua plugins==>filter tls