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Network Working Group A. Dulaunoy Network Working Group A. Dulaunoy
Internet-Draft A. Iklody Internet-Draft A. Iklody
Intended status: Informational CIRCL Intended status: Informational CIRCL
Expires: March 25, 2018 September 21, 2017 Expires: October 12, 2018 April 10, 2018
MISP object template format MISP object template format
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time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on March 25, 2018. This Internet-Draft will expire on October 12, 2018.
Copyright Notice Copyright Notice
Copyright (c) 2017 IETF Trust and the persons identified as the Copyright (c) 2018 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
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Table of Contents Table of Contents
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2.1. Overview . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1. Overview . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1.1. Object Template . . . . . . . . . . . . . . . . . . . 3 2.1.1. Object Template . . . . . . . . . . . . . . . . . . . 3
2.1.2. attributes . . . . . . . . . . . . . . . . . . . . . 4 2.1.2. attributes . . . . . . . . . . . . . . . . . . . . . 4
2.1.3. Sample Object Template object . . . . . . . . . . . . 5 2.1.3. Sample Object Template object . . . . . . . . . . . . 6
2.1.4. Object Relationships . . . . . . . . . . . . . . . . 7 2.1.4. Object Relationships . . . . . . . . . . . . . . . . 9
3. Directory . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3. Directory . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 7 4. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 10
5. References . . . . . . . . . . . . . . . . . . . . . . . . . 7 5. References . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1. Normative References . . . . . . . . . . . . . . . . . . 7 5.1. Normative References . . . . . . . . . . . . . . . . . . 10
5.2. Informative References . . . . . . . . . . . . . . . . . 8 5.2. Informative References . . . . . . . . . . . . . . . . . 10
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 8 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11
1. Introduction 1. Introduction
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2. Format 2. Format
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MISP object template elements consist of an object_relation (MUST) a MISP object template elements consist of an object_relation (MUST) a
type (MUST) an object_template_id (SHOULD) a ui_priority (SHOULD) a type (MUST) an object_template_id (SHOULD) a ui_priority (SHOULD) a
list of categories (MAY), a list of sane_default values (MAY) a list of categories (MAY), a list of sane_default values (MAY) or a
values_list (MAY) values_list (MAY).
2.1. Overview 2.1. Overview
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2.1.1.3. required 2.1.1.3. required
requiredOneOf is represented as a JSON list and contains a list of required is represented as a JSON list and contains a list of
attribute relationships of which all must be present in the object to attribute relationships of which all must be present in the object to
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be created based on the given template. The required field MAY be be created based on the given template. The required field MAY be
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2.1.2.2. ui-priority 2.1.2.2. ui-priority
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The multiple field MAY be present. The multiple field MAY be present.
2.1.2.7. sane_default
sane_default is represented by a JSON list containing one or several
recommended/sane values for an attribute. sane_default is mutually
exclusive with values_list.
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The sane_default field MAY be present.
2.1.2.8. values_list
values_list is represented by a JSON List containing one or several
of fixed values for an attribute. values_list is mutually exclusive
with sane_default.
The value_list field MAY be present.
2.1.3. Sample Object Template object 2.1.3. Sample Object Template object
The MISP object template directory is publicly available [MISP-O] in
a git repository and contains more than 60 object templates. As
illustration, two sample objects templates are included.
2.1.3.1. credit-card object template
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{ {
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2.1.3.2. credential object template
{
"requiredOneOf": [
"password"
],
"attributes": {
"text": {
"description": "A description of the credential(s)",
"disable_correlation": true,
"ui-priority": 1,
"misp-attribute": "text"
},
"username": {
"description": "Username related to the password(s)",
"ui-priority": 1,
"misp-attribute": "text"
},
"password": {
"description": "Password",
"multiple": true,
"ui-priority": 1,
"misp-attribute": "text"
},
"type": {
"description": "Type of password(s)",
"ui-priority": 1,
"misp-attribute": "text",
"values_list": [
"password",
"api-key",
"encryption-key",
"unknown"
]
},
"origin": {
"description": "Origin of the credential(s)",
"ui-priority": 1,
"misp-attribute": "text",
"sane_default": [
"bruteforce-scanning",
"malware-analysis",
"memory-analysis",
"network-analysis",
"leak",
"unknown"
]
},
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"format": {
"description": "Format of the password(s)",
"ui-priority": 1,
"misp-attribute": "text",
"values_list": [
"clear-text",
"hashed",
"encrypted",
"unknown"
]
},
"notification": {
"description": "Mention of any notification(s) towards the potential owner(s) of the credential(s)",
"ui-priority": 1,
"misp-attribute": "text",
"multiple": true,
"values_list": [
"victim-notified",
"service-notified",
"none"
]
}
},
"version": 2,
"description": "Credential describes one or more credential(s) including password(s), api key(s) or decryption key(s).",
"meta-category": "misc",
"uuid": "a27e98c9-9b0e-414c-8076-d201e039ca09",
"name": "credential"
}
2.1.4. Object Relationships 2.1.4. Object Relationships
2.1.4.1. name 2.1.4.1. name
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name represents the human-readable relationship type which can be name represents the human-readable relationship type which can be
used when creating MISP object relations. used when creating MISP object relations.
name is represented as a JSON string. name MUST be present name is represented as a JSON string. name MUST be present.
2.1.4.2. description 2.1.4.2. description
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description of the object relationship type. The description field description of the object relationship type. The description field
MUST be present. MUST be present.
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2.1.4.3. format 2.1.4.3. format
format is represented by a JSON list containing a list of formats format is represented by a JSON list containing a list of formats
that the relationship type is valid for and can be mapped to. The that the relationship type is valid for and can be mapped to. The
format field MUST be present format field MUST be present.
3. Directory 3. Directory
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DOI 10.17487/RFC2119, March 1997, <https://www.rfc- DOI 10.17487/RFC2119, March 1997, <https://www.rfc-
editor.org/info/rfc2119>. editor.org/info/rfc2119>.
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[RFC4122] Leach, P., Mealling, M., and R. Salz, "A Universally [RFC4122] Leach, P., Mealling, M., and R. Salz, "A Universally
Unique IDentifier (UUID) URN Namespace", RFC 4122, Unique IDentifier (UUID) URN Namespace", RFC 4122,
DOI 10.17487/RFC4122, July 2005, <https://www.rfc- DOI 10.17487/RFC4122, July 2005, <https://www.rfc-
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[MISP-O] MISP, , "MISP Objects - shared and common object [MISP-O] MISP, , "MISP Objects - shared and common object
templates", <https://github.com/MISP/misp-objects>. templates", <https://github.com/MISP/misp-objects>.
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Authors' Addresses Authors' Addresses
Alexandre Dulaunoy Alexandre Dulaunoy
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