How to extract fields from "message" field in logstash?

hello, I need help in extracting the fields that come in the "message" field, in case all the fields need to be extracted, can anyone help?

here's the field:

"message": "Apr 14 16:11:36 tutorial2022-1 sshd[8454]: PAM 2 more authentication failures; logname= uid=0 euid=0 tty=ssh ruser=  user=root"

Use a kv filter.

kv { allow_empty_values => true whitespace => strict }

will produce

       "uid" => "0",
     "rhost" => "",
      "euid" => "0",
     "ruser" => "",
   "logname" => "",
       "tty" => "ssh",
      "user" => "root",

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