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AssetMapping Object

AssetMapping A record that maps a specific Observable to an asset for a specified period of time.

PropertyTypeDescriptionRequired?
asset_refStringURI that points to the mapped Asset.
asset_typeAssetTypeStringType of the mapped Asset: Device, Person, Application, etc.
confidenceHighMedLowStringLevel of confidence held in the characterization of this AssetMapping e.g.: is it susceptible to manipulation or translation?
idStringGlobally unique URI identifying this object.
observableObservable ObjectAn AssetMapping is a record that a specific Observable maps to an Asset for an indicated period of time.
schema_versionStringCTIM schema version for this entity.
sourceMedStringStringRepresents the source of the intelligence that led to the creation of the entity.
specificitySpecificityStringDenotes the level of how many assets potentially could have this same identifier.
stabilityStabilityStringDo we manage when it changes, or is it always a time bound assignment?
typeAssetMappingTypeIdentifierString
valid_timeValidTime ObjectFor each asset, we allow for the assertion of time bound properties.This gives us both a record of the current state of the asset,as well as history.
external_idsString ListIt is used to store a list of external identifiers that can be linked to the incident, providing a reliable and manageable way to correlate and group related events across multiple data sources. It is especially useful in larger organizations that rely on multiple security information and event management (SIEM) systems to detect security incidents. For instance, it can be used to track events across different network sensors, intrusion detection and prevention systems (IDPS), or log management platforms. The field can also be used to facilitate automation and orchestration workflows, where additional information can be shared among incident management systems. It can be used to cross-reference with other external tools such as threat intelligence feeds and vulnerability scanners.
external_referencesExternalReference Object ListSpecifies a list of external references which refers to non-CTIM information. Similar to external_ids field with major differences: - external_ids field is used to store a list of external identifiers that can be used to link entities across different data sources. These identifiers are typically standardized and well-known, such as CVE IDs, US-CERT advisories, or other industry-standard threat intelligence feeds. The external_ids field can be used to facilitate automation and orchestration workflows, where additional information can be shared among incident management systems. - external_references field, on the other hand, is used to provide a more general mechanism for linking entities to external sources of information. The external_references field can include references to blog posts, articles, external documents, threat intelligence reports, and other sources of information that may not have a standardized format or identifier.
languageShortStringStringThe language field is used to specify the primary language of the affected system or the target of an attack. It can be used to provide additional context and information about the entity. The primary purpose of this field is to help analysts filter and prioritize entities based on their knowledge and expertise of different languages. For example, if an incident involves an attack on a system in a country where a specific language is predominant, the language field can be used to indicate that language, which can help analysts to quickly identify and respond to incidents that may be geographically or culturally relevant. This information can be used to prioritize incidents based on their potential impact. The language field can also be used to help with correlation of incidents across different systems and regions, as well as to help with data analysis and reporting.
revisionIntegerA monotonically increasing revision, incremented each time the object is changed.
source_uriStringURI of the source of the intelligence that led to the creation of the entity.
timestampInst (Date)The time this object was created at, or last modified.
tlpTLPStringTLP stands for Traffic Light Protocol, which indicates precisely how a resource is intended to be shared, replicated, copied, etc. It is used to indicate the sensitivity of the information contained within the message. This allows recipients to determine the appropriate handling and dissemination of the information based on their clearance level and need-to-know. For example, an entity containing information about a critical vulnerability in a widely-used software might be marked as red, indicating that it should only be shared with a small group of highly trusted individuals who need to know in order to take appropriate action. On the other hand, a message containing more general information about security threats might be marked as amber or green, indicating that it can be shared more broadly within an organization.

Property asset_ref ∷ String

URI that points to the mapped Asset.

  • This entry is required

    • A URI leading to an entity.

Property asset_type ∷ AssetTypeString

Type of the mapped Asset: Device, Person, Application, etc.

  • This entry is required

    • Allowed Values:
      • application
      • data
      • device
      • network
      • person

Property confidence ∷ HighMedLowString

Level of confidence held in the characterization of this AssetMapping e.g.: is it susceptible to manipulation or translation?

  • This entry is required

Property external_ids ∷ String List

It is used to store a list of external identifiers that can be linked to the incident, providing a reliable and manageable way to correlate and group related events across multiple data sources. It is especially useful in larger organizations that rely on multiple security information and event management (SIEM) systems to detect security incidents. For instance, it can be used to track events across different network sensors, intrusion detection and prevention systems (IDPS), or log management platforms. The field can also be used to facilitate automation and orchestration workflows, where additional information can be shared among incident management systems. It can be used to cross-reference with other external tools such as threat intelligence feeds and vulnerability scanners.

  • 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.

Similar to external_ids field with major differences:

  • external_ids field is used to store a list of external identifiers that can be used to link entities across different data sources. These identifiers are typically standardized and well-known, such as CVE IDs, US-CERT advisories, or other industry-standard threat intelligence feeds. The external_ids field can be used to facilitate automation and orchestration workflows, where additional information can be shared among incident management systems.

  • external_references field, on the other hand, is used to provide a more general mechanism for linking entities to external sources of information. The external_references field can include references to blog posts, articles, external documents, threat intelligence reports, and other sources of information that may not have a standardized format or identifier.

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

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 language field is used to specify the primary language of the affected system or the target of an attack. It can be used to provide additional context and information about the entity. The primary purpose of this field is to help analysts filter and prioritize entities based on their knowledge and expertise of different languages.

For example, if an incident involves an attack on a system in a country where a specific language is predominant, the language field can be used to indicate that language, which can help analysts to quickly identify and respond to incidents that may be geographically or culturally relevant. This information can be used to prioritize incidents based on their potential impact. The language field can also be used to help with correlation of incidents across different systems and regions, as well as to help with data analysis and reporting.

  • This entry is optional

    • ShortString String with at most 1024 characters.

Property observable ∷ Observable Object

An AssetMapping is a record that a specific Observable maps to an Asset for an indicated period of time.

  • This entry is required

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

Represents the source of the intelligence that led to the creation of the entity.

  • This entry is required

    • MedString String with at most 2048 characters.

Property source_uri ∷ String

URI of the source of the intelligence that led to the creation of the entity.

  • This entry is optional

    • A URI

Property specificity ∷ SpecificityString

Denotes the level of how many assets potentially could have this same identifier.

  • This entry is required

    • Allowed Values:
      • Low
      • Medium
      • Unique

Property stability ∷ StabilityString

Do we manage when it changes, or is it always a time bound assignment?

  • This entry is required

    • Allowed Values:
      • Managed
      • Physical
      • Temporary

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

TLP stands for Traffic Light Protocol, which indicates precisely how a resource is intended to be shared, replicated, copied, etc.

It is used to indicate the sensitivity of the information contained within the message. This allows recipients to determine the appropriate handling and dissemination of the information based on their clearance level and need-to-know.

For example, an entity containing information about a critical vulnerability in a widely-used software might be marked as red, indicating that it should only be shared with a small group of highly trusted individuals who need to know in order to take appropriate action. On the other hand, a message containing more general information about security threats might be marked as amber or green, indicating that it can be shared more broadly within an organization.

  • This entry is optional

    • Default: green
    • Allowed Values:
      • amber
      • green
      • red
      • white

Property type ∷ AssetMappingTypeIdentifierString

  • This entry is required

    • Must equal: "asset-mapping"

Property valid_time ∷ ValidTime Object

For each asset, we allow for the assertion of time bound properties.This gives us both a record of the current state of the asset,as well as history.

  • This entry is required

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.

PropertyTypeDescriptionRequired?
source_nameMedStringStringThe source within which the external-reference is defined (system, registry, organization, etc.)
descriptionMarkdownString
external_idStringAn identifier for the external reference content.
hashesString ListSpecifies a dictionary of hashes for the contents of the url.
urlStringA URL reference to an external resource.

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.

PropertyTypeDescriptionRequired?
end_timeInst (Date)If end_time is not present, then the valid time position of the object does not have an upper bound.
start_timeInst (Date)If not present, the valid time position of the indicator does not have an upper bound.

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.

Observable Object

Observable A simple, atomic value which has a consistent identity, and is stable enough to be attributed an intent or nature. This is the classic 'indicator' which might appear in a data feed of bad IPs, or bad Domains. These do not exist as objects within the CTIA storage model, so you never create an observable.

PropertyTypeDescriptionRequired?
typeObservableTypeIdentifierString
valueString

Property type ∷ ObservableTypeIdentifierString

  • This entry is required

    • ObservableTypeIdentifier Observable type names
    • Allowed Values:
      • amp_computer_guid
      • certificate_common_name
      • certificate_issuer
      • certificate_serial
      • cisco_cm_id
      • cisco_mid
      • cisco_uc_id
      • cortex_agent_id
      • crowdstrike_id
      • cybereason_id
      • darktrace_id
      • device
      • domain
      • email
      • email_messageid
      • email_subject
      • file_name
      • file_path
      • hostname
      • imei
      • imsi
      • ip
      • ipv6
      • mac_address
      • md5
      • ms_machine_id
      • mutex
      • ngfw_id
      • ngfw_name
      • odns_identity
      • odns_identity_label
      • orbital_node_id
      • pki_serial
      • process_args
      • process_hash
      • process_name
      • process_path
      • process_username
      • processor_id
      • registry_key
      • registry_name
      • registry_path
      • s1_agent_id
      • serial_number
      • sha1
      • sha256
      • swc_device_id
      • trend_micro_id
      • url
      • user
      • user_agent

Property value ∷ String

  • This entry is required

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