This package provides a Spicy based Wireguard protocol analyzer for Zeek.
You must install Spicy to use this package.
This is a straightforward implementation following https://www.wireguard.com/protocol/
#separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path conn
#open 2021-11-24-18-10-11
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p proto service duration orig_bytes resp_bytes conn_state local_orig local_resp missed_bytes history orig_pkts orig_ip_bytes resp_pkts resp_ip_bytes tunnel_parents
#types time string addr port addr port enum string interval count count string bool bool count string count count count count set[string]
1611583877.627931 CHhAvVGS1DHFjwGM9 188.166.170.114 45965 188.166.170.115 51194 udp spicy_wireguard 35.595192 13516 14924 SF - - 0 Dd 90 16036 82 17220 -
#close 2021-11-24-18-10-11
#separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path wireguard
#open 2021-11-24-18-10-11
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p established initiations responses
#types time string addr port addr port bool count count
1611583877.627931 CHhAvVGS1DHFjwGM9 188.166.170.114 45965 188.166.170.115 51194 T 1 1
#close 2021-11-24-18-10-11
- wireguard.pcap (self-made)
This package also detects...
Tailscale is a VPN that modifies the Wireguard protocol slightly by adding Tailscale discovery messages. While the generic Wireguard protocol analyzer in this repo will not support this, this protocol analyzer will.
Relevant code section: https://github.com/tailscale/tailscale/blob/main/disco/disco.go#L32
#separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path conn
#open 2021-11-24-18-11-40
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p proto service duration orig_bytes resp_bytes conn_state local_orig local_resp missed_bytes history orig_pkts orig_ip_bytes resp_pkts resp_ip_bytes tunnel_parents
#types time string addr port addr port enum string interval count count string bool bool count string count count count count set[string]
1623328901.893092 CHhAvVGS1DHFjwGM9 192.168.88.3 41641 18.196.71.179 41641 udp spicy_tailscale 31.882638 5700 6322 SF - - 0 Dd 51 7128 56 7890 -
#close 2021-11-24-18-11-40
- tailscale_linux.pcap (self-made)