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Subject: RE: [cti] Thoughts on STIX and some of the other threads on this list


Very fair point Jason – Do we have anyone like Mitre contracted who can maintain a set of libraries?  That could be a heavy lift.

 

If we have that, I would suggest we work with them to build out the full functionality we need, not just skeleton libraries like we have now.

If we don’t have that, I would go back to the thought that our scope should be limited to a conceptual model only.  We have to make a choice here, and it has big implications.

 

From: cti@lists.oasis-open.org [mailto:cti@lists.oasis-open.org] On Behalf Of Jason Keirstead
Sent: Monday, August 31, 2015 9:22 AM
To: Bush, Jonathan
Cc: 'Jordan, Bret'; Aharon Chernin; Mark Clancy; cti@lists.oasis-open.org
Subject: RE: [cti] Thoughts on STIX and some of the other threads on this list

 

/ If we abstract out the complexity what we have to ‘learn’ is a set of API calls. This is how modern software is built – Not on data formats but on API formats. /

This sounds good in principle, but in order for this to work in practice the OASIS CTI would have to be responsible not just for the STIX standard, but also reference bindings and documentation for STIX in several mainstream languages, I would say Python, Java, and C++ at a minimum. This would be a very large body of work to undertake and maintain... even the current reference Python bindings by MITRE are pretty bare-bones (they don't "make anything simple", it's really just a data binding - not really what is required for a widely used reference library) and I don't think the Java ones were ever completed. If you don't have an easy to use library set for everyone to use, then the format of the data is very important.

I will give an example to the list from my own experience. I had to add some STIX support to a system in Python that was running Python 2.6, which I do not have any control over, and did not ship with a C++ compiler. As a result, the MITRE reference libraries have a dependancy chain that ends up with something needing C++ linking to libraries to build - so I could not use them at all. I ended up having to write my own STIX parser in Python from the XML... which was quite eye-opening as to how convoluted STIX can be to work with, and I had all of Python to help me. I can't even imagine the job of someone writing a STIX XML parser in C++ based on the 1.1 specification alone.

/ I honestly hate them all, even the XML format. /

Well I know few data formats I have any particular "love" for :) My main beef with the XML format has nothing to do with how it looks, it has to do with markup verboseness and efficiency on the wire.

-
Jason Keirstead
Product Architect, Security Intelligence, IBM Security Systems
www.ibm.com/security | www.securityintelligence.com

Without data, all you are is just another person with an opinion - Unknown


Inactive hide details for "Bush, Jonathan" ---2015/08/28 09:06:30 PM---Bret - I think my point still remains - Why should I hav"Bush, Jonathan" ---2015/08/28 09:06:30 PM---Bret - I think my point still remains - Why should I have to learn ANY specific implementation forma

From: "Bush, Jonathan" <jbush@dtcc.com>
To: "'Jordan, Bret'" <bret.jordan@bluecoat.com>, Aharon Chernin <achernin@soltra.com>
Cc: Mark Clancy <mclancy@soltra.com>, "cti@lists.oasis-open.org" <cti@lists.oasis-open.org>
Date: 2015/08/28 09:06 PM
Subject: RE: [cti] Thoughts on STIX and some of the other threads on this list
Sent by: <cti@lists.oasis-open.org>





Bret – I think my point still remains – Why should I have to learn ANY specific implementation format? I honestly hate them all, even the XML format.
If we abstract out the complexity what we have to ‘learn’ is a set of API calls. This is how modern software is built – Not on data formats but on API formats.

From: cti@lists.oasis-open.org [mailto:cti@lists.oasis-open.org] On Behalf Of Jordan, Bret
Sent:
Friday, August 28, 2015 7:38 PM
To:
Aharon Chernin
Cc:
Mark Clancy; cti@lists.oasis-open.org
Subject:
Re: [cti] Thoughts on STIX and some of the other threads on this list


Consumers use tools, hopefully they never see the format. Vendors, web developers, app developers, and open source developers write the tools. They are the ones that have to pay the XML tax.

Given the progress that Facebook is making I can begin to see a need for vendors even Soltra Edge to start supporting their threat exchange format.

My question still stands.. Will anyone not use STIX if we stopped doing XML? Follow on, how many more vendors and developers will we gain if we adopted JSON?

Let's just use Intelworks' JSON STIX format and be done with it.

Bret



Sent from my Commodore 64

<trimmed>

 


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