Rich – I think external_id and url can be combined into a single attribute “ref” or similar.
Source could be an ov.
allan
From: "" <> on behalf of "Piazza, Rich" <>
Date: Tuesday, May 31, 2016 at 10:43 AM
To: "" <>
Subject: [cti-stix] external-references keywords
Hi everyone,
I think these four keywords would cover all of the external reference details. I’ve including some examples below. Can anyone think of some external reference that couldn’t be specified using these keywords?
Rich
external_references: array of {
description : string
external_id: string
source: ov?
url: url
}
Any combination is legal
Examples:
CAPEC:
[ { “source”: “capec”, “external_id”: “capec-550” } ]
CAPEC with URL
[ { “source”: “capec”, “external_id”: “capec-550”, “url”: “http://capec.mitre.org/data/definitions/550.html”} ]
APT1:
[{ “description”: “APT1 report”, “url”: “http://intelreport.mandiant.com/Mandiant_APT1_Report.pdf”}]
VERIS:
[{“source”: “veris”, “external_id”: “00C84D6A-CDB8-4A5B-A1A6-0D75A65274D7”}]
Jira:
[{“source”: “jira”, “external_id”: “TAB-1370”, “url”: “https://issues.oasis-open.org/browse/TAB-1370”}]
