sensor-d4-tls-fingerprinting

Extracts TLS certificates from pcap files or network interfaces (tcpreassembly is done thanks to gopacket), fingerprints TLS client/server interactions with ja3/ja3s and print output in JSON form.

Use

This project is currently in its very early stage and relies on a customized version of . Check the list of issues.

Install dependencies & go get

$go get github.com/gallypette/gopacket
$go get github.com/google/gopacket
$cd $GOPATH/src/github.com/google/gopacket
$git remote add fork github.com/gallypette/gopacket
$go get github.com/D4-project/sensor-d4-tls-fingerprinting

make allows to compile for amd64 and arm ATM.

How to use

Read from pcap:

$ ./d4-tlsf-amd64l -r=file 

Read from interface (promiscious mode):

$ ./d4-tlsf-amd64l -i=interface 

Write x509 certificates to folder:

$ ./d4-tlsf-amd64l -w=folderName 

Write output json inside folder

$ ./d4-tlsf-amd64l -j=folderName