AssetProperties Object

AssetProperties Assets do not have any product specific properties, those are represented in AssetProperties - which is a record that asserts one or more properties of an Asset for a specific time.

Property	Type	Description	Required?
asset_ref	String	URI that points to the associated Asset.	✓
id	String	Globally unique URI identifying this object.	✓
schema_version	String	CTIM schema version for this entity	✓
source	MedStringString		✓
type	AssetPropertiesTypeIdentifierString		✓
valid_time	ValidTime Object	The time range during which the AssetProperties is considered valid.	✓
external_ids	String List
external_references	ExternalReference Object List	Specifies a list of external references which refers to non-CTIM information. This property is used to provide one or more URLs, descriptions, or IDs to records in other systems.
language	ShortStringString	The human language this object is specified in.
properties	AssetProperty Object List
revision	Integer	A monotonically increasing revision, incremented each time the object is changed.
source_uri	String
timestamp	Inst (Date)	The time this object was created at, or last modified.
tlp	TLPString	Specification for how, and to whom, this object can be shared.

• Reference: AssetProperties

Property asset_ref ∷ String

URI that points to the associated Asset.

• This entry is required

  • A URI leading to an entity

Property external_ids ∷ String List

• This entry is optional
• This entry's type is sequential (allows zero or more values)

Property external_references ∷ ExternalReference Object List

Specifies a list of external references which refers to non-CTIM information. This property is used to provide one or more URLs, descriptions, or IDs to records in other systems.

• This entry is optional
• This entry's type is sequential (allows zero or more values)

• ExternalReference Object Value
  • Details: ExternalReference Object

Property id ∷ String

Globally unique URI identifying this object.

• This entry is required

  • IDs are URIs, for example https://www.domain.com/ctia/judgement/judgement-de305d54-75b4-431b-adb2-eb6b9e546014 for a Judgement. This ID type compares to the STIX id field. The optional STIX idref field is not used.

Property language ∷ ShortStringString

The human language this object is specified in.

• This entry is optional

  • ShortString String with at most 1024 characters

Property properties ∷ AssetProperty Object List

• This entry is optional
• This entry's type is sequential (allows zero or more values)

• AssetProperty Object Value
  • Details: AssetProperty Object

Property revision ∷ Integer

A monotonically increasing revision, incremented each time the object is changed.

• This entry is optional

  • Zero, or a positive integer

Property schema_version ∷ String

CTIM schema version for this entity

• This entry is required

  • A semantic version matching the CTIM version against which this object should be valid.

Property source ∷ MedStringString

• This entry is required

  • MedString String with at most 2048 characters

Property source_uri ∷ String

• This entry is optional

  • A URI

Property timestamp ∷ Inst (Date)

The time this object was created at, or last modified.

• This entry is optional

  • ISO8601 Timestamp Schema definition for all date or timestamp values. Serialized as a string, the field should follow the rules of the ISO8601 standard.

Property tlp ∷ TLPString

Specification for how, and to whom, this object can be shared.

• This entry is optional

  • TLP TLP stands for Traffic Light Protocol, which indicates precisely how this resource is intended to be shared, replicated, copied, etc.
  • Default: green
  • Allowed Values:
    • amber
    • green
    • red
    • white

Property type ∷ AssetPropertiesTypeIdentifierString

• This entry is required

  • Must equal: "asset-properties"

Property valid_time ∷ ValidTime Object

The time range during which the AssetProperties is considered valid.

• This entry is required

• ValidTime Object Value
  • Details: ValidTime Object

ExternalReference Object

ExternalReference External references are used to describe pointers to information represented outside of CTIM. For example, a Malware object could use an external reference to indicate an ID for that malware in an external database or a report could use references to represent source material.

Property	Type	Description	Required?
source_name	MedStringString	The source within which the external-reference is defined (system, registry, organization, etc.)	✓
description	MarkdownString
external_id	String	An identifier for the external reference content.
hashes	String List	Specifies a dictionary of hashes for the contents of the url.
url	String	A URL reference to an external resource

• Reference: External Reference

Property description ∷ MarkdownString

• This entry is optional

  • Markdown Markdown string with at most 5000 characters

Property external_id ∷ String

An identifier for the external reference content.

• This entry is optional

Property hashes ∷ String List

Specifies a dictionary of hashes for the contents of the url.

• This entry is optional
• This entry's type is sequential (allows zero or more values)

Property source_name ∷ MedStringString

The source within which the external-reference is defined (system, registry, organization, etc.)

• This entry is required

  • MedString String with at most 2048 characters

Property url ∷ String

A URL reference to an external resource

• This entry is optional

  • A URI

ValidTime Object

ValidTime Period of time when a cyber observation is valid.

Property	Type	Description	Required?
end_time	Inst (Date)	If end_time is not present, then the valid time position of the object does not have an upper bound.
start_time	Inst (Date)	If not present, the valid time position of the indicator does not have an upper bound

• Reference: ValidTimeType

Property end_time ∷ Inst (Date)

If end_time is not present, then the valid time position of the object does not have an upper bound.

• This entry is optional

  • ISO8601 Timestamp Schema definition for all date or timestamp values. Serialized as a string, the field should follow the rules of the ISO8601 standard.

Property start_time ∷ Inst (Date)

If not present, the valid time position of the indicator does not have an upper bound

• This entry is optional

  • ISO8601 Timestamp Schema definition for all date or timestamp values. Serialized as a string, the field should follow the rules of the ISO8601 standard.

AssetProperty Object

Property	Type	Description	Required?
name	String	The properties are an open vocabulary.	✓
value	String		✓

Property name ∷ String

The properties are an open vocabulary.

• This entry is required
• Dev Notes: The properties are an open vocabulary, meaning that there is a defined set of values, but users may add their own values.See: https://github.com/threatgrid/ctim/blob/master/src/ctim/schemas/identity_assertion.cljc#L11

Property value ∷ String

• This entry is required