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Tool Object

Tool Tools are legitimate software that can be used by threat actors to perform attacks. Knowing how and when threat actors use such tools can be important for understanding how campaigns are executed. Unlike malware, these tools or software packages are often found on a system and have legitimate purposes for power users, system administrators, network administrators, or even normal users. Remote access tools (e.g., RDP) and network scanning tools (e.g., Nmap) are examples of Tools that may be used by a Threat Actor during an attack.

Property Type Description Required?
description MarkdownString A description of object, which may be detailed.
id String Globally unique URI identifying this object.
labels ToolLabelString List The kind(s) of tool(s) being described.
schema_version String CTIM schema version for this entity
short_description MedStringString A single line, short summary of the object.
title ShortStringString A short title for this object, used as primary display and reference value
type ToolTypeIdentifierString
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.
kill_chain_phases KillChainPhase Object List The list of kill chain phases for which this Tool can be used.
language ShortStringString The human language this object is specified in.
revision Integer A monotonically increasing revision, incremented each time the object is changed.
source MedStringString
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.
tool_version ShortStringString The version identifier associated with the Tool.
x_mitre_aliases ShortStringString List ATT&CK Software.aliases

Property description ∷ MarkdownString

A description of object, which may be detailed.

  • This entry is required

    • Markdown Markdown string with at most 5000 characters

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)

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 kill_chain_phases ∷ KillChainPhase Object List

The list of kill chain phases for which this Tool can be used.

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

Property labels ∷ ToolLabelString List

The kind(s) of tool(s) being described.

  • This entry is required

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

    • ToolLabel Tool labels describe the categories of tools that can be used to perform attacks.
    • Allowed Values:
      • credential-exploitation
      • denial-of-service
      • exploitation
      • information-gathering
      • network-capture
      • remote-access
      • vulnerability-scanning
    • Reference: Tool Label

Property language ∷ ShortStringString

The human language this object is specified in.

  • This entry is optional

    • ShortString String with at most 1024 characters

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 short_description ∷ MedStringString

A single line, short summary of the object.

  • This entry is required

    • MedString String with at most 2048 characters

Property source ∷ MedStringString

  • This entry is optional

    • 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 title ∷ ShortStringString

A short title for this object, used as primary display and reference value

  • This entry is required

    • ShortString String with at most 1024 characters

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 tool_version ∷ ShortStringString

The version identifier associated with the Tool.

  • This entry is optional

    • ShortString String with at most 1024 characters

Property type ∷ ToolTypeIdentifierString

  • This entry is required

    • Must equal: "tool"

Property x_mitre_aliases ∷ ShortStringString List

ATT&CK Software.aliases

  • This entry is optional

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

    • ShortString String with at most 1024 characters

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

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

KillChainPhase Object

KillChainPhase The kill-chain-phase represents a phase in a kill chain, which describes the various phases an attacker may undertake in order to achieve their objectives.

Property Type Description Required?
kill_chain_name String The name of the kill chain.
phase_name String The name of the phase in the kill chain.

Property kill_chain_name ∷ String

The name of the kill chain.

  • This entry is required

    • SHOULD be all lowercase (where lowercase is defined by the locality conventions) and SHOULD use hyphens instead of spaces or underscores as word separators.
    • Must equal: "lockheed-martin-cyber-kill-chain"
    • Reference: Open Vocabulary

Property phase_name ∷ String

The name of the phase in the kill chain.

  • This entry is required

    • SHOULD be all lowercase (where lowercase is defined by the locality conventions) and SHOULD use hyphens instead of spaces or underscores as word separators.
    • Allowed Values:
      • actions-on-objective
      • command-and-control
      • delivery
      • exploitation
      • installation
      • reconnaissance
      • weaponization
    • Reference: Open Vocabulary