# Author: Wes Lambert
#
# Adapted from existing filters provided by Justin Henderson
#
# Updated by: Doug Burks
# Last Update: 2/7/2018
#
# This conf file is based on accepting logs for smb_files.log from Bro systems
#
filter {
  if [type] == "bro_smb_files" {
        # If message looks like json, try to parse it as such. Otherwise, fall back to csv or grok.
        if [message] =~ /^{.*}$/ {
                json {
                        source => "message"
                }

                mutate {
                        rename => { "ts" => "timestamp" }
                        #uid
                        rename => { "id.orig_h" => "source_ip" }
                        rename => { "id.orig_p" => "source_port" }
                        rename => { "id.resp_h" => "destination_ip" }
                        rename => { "id.resp_p" => "destination_port" }
			#fuid
			#action
			#path
			#name
			#size
			#prev_name
                        rename => { "times.modified" => "times_modified" }
                        rename => { "times.accessed" => "times_accessed" }
                        rename => { "times.created" => "times_created" }
                        rename => { "times.changed" => "times_changed" }
		}
	} else {
	    mutate {
	      gsub => [ "message", "[\"']", "" ]
	    }
	    csv {
	      columns => ["timestamp","uid","source_ip","source_port","destination_ip","destination_port","fuid","action","path","name","size","prev_name","times_modified","times_accessed","times_created","times_changed"]
	    separator => "	"
	    }
	}
  }
}
