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COA Object

COA Course of Action. A corrective or preventative action to be taken in response to a threat

PropertyTypeDescriptionRequired?
idStringGlobally unique URI identifying this object.✓
schema_versionStringCTIM schema version for this entity✓
typeCOATypeIdentifierString ✓
valid_timeValidTime Object ✓
coa_typeCOATypeStringThe type of this COA
costHighMedLowStringCharacterizes the estimated cost for applying this course of action
descriptionMarkdownStringA description of object, which may be detailed.
efficacyHighMedLowStringEffectiveness of this course of action in achieving its targeted objective
external_idsString List
external_referencesExternalReference Object ListSpecifies 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.
impactShortStringStringCharacterizes the estimated impact of applying this course of action
languageShortStringStringThe human language this object is specified in.
objectiveShortStringString ListCharacterizes the objective of this course of action
open_c2_coaOpenC2COA Object
related_COAsRelatedCOA Object ListIdentifies or characterizes relationships to one or more related courses of action
revisionIntegerA monotonically increasing revision, incremented each time the object is changed.
short_descriptionMedStringStringA single line, short summary of the object.
sourceMedStringString
source_uriString
stageCOAStageStringSpecifies what stage in the cyber threat management lifecycle this Course Of Action is relevant to
structured_coa_typeOpenC2StructuredCOATypeString
timestampInst (Date)The time this object was created at, or last modified.
titleShortStringStringA short title for this object, used as primary display and reference value
tlpTLPStringSpecification for how, and to whom, this object can be shared.

Property coa_type ∷ COATypeString

The type of this COA

  • This entry is optional

    • Allowed Values:
      • Diplomatic Actions
      • Eradication
      • Hardening
      • Internal Blocking
      • Logical Access Restrictions
      • Monitoring
      • Other
      • Patching
      • Perimeter Blocking
      • Phase
      • Physical Access Restrictions
      • Playbook
      • Policy Actions
      • Public Disclosure
      • Rebuilding
      • Redirection
      • Redirection (Honey Pot)
      • Task
      • Training
    • Reference: CourseOfActionTypeVocab

Property cost ∷ HighMedLowString

Characterizes the estimated cost for applying this course of action

  • This entry is optional

Property description ∷ MarkdownString

A description of object, which may be detailed.

  • This entry is optional

    • Markdown Markdown string with at most 5000 characters

Property efficacy ∷ HighMedLowString

Effectiveness of this course of action in achieving its targeted objective

  • This entry is optional

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 impact ∷ ShortStringString

Characterizes the estimated impact of applying this course of action

  • This entry is optional

    • ShortString String with at most 1024 characters

Property language ∷ ShortStringString

The human language this object is specified in.

  • This entry is optional

    • ShortString String with at most 1024 characters

Property objective ∷ ShortStringString List

Characterizes the objective of this course of action

  • This entry is optional

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

  • Dev Notes: Squashed / simplified

    • ShortString String with at most 1024 characters

Property open_c2_coa ∷ OpenC2COA Object

  • This entry is optional

Property related_COAs ∷ RelatedCOA Object List

Identifies or characterizes relationships to one or more related courses of action

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

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 optional

    • 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 stage ∷ COAStageString

Specifies what stage in the cyber threat management lifecycle this Course Of Action is relevant to

  • This entry is optional

    • Allowed Values:
      • Containment
      • Eradication
      • Identification
      • Lessons Learned
      • Preparation
      • Recovery
      • Remedy
      • Response
    • Reference: COAStageVocab

Property structured_coa_type ∷ OpenC2StructuredCOATypeString

  • This entry is optional

    • Must equal: "openc2"

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 optional

    • 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 type ∷ COATypeIdentifierString

  • This entry is required

    • Must equal: "coa"

Property valid_time ∷ ValidTime Object

  • 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.

RelatedCOA Object

PropertyTypeDescriptionRequired?
COA_idString ✓
confidenceHighMedLowString
relationshipString
sourceString

Property COA_id ∷ String

  • This entry is required

    • A URI leading to a COA

Property confidence ∷ HighMedLowString

  • This entry is optional

Property relationship ∷ String

  • This entry is optional

Property source ∷ String

  • This entry is optional

OpenC2COA Object

PropertyTypeDescriptionRequired?
actionActionType Object ✓
typeStructuredCOATypeString ✓
actuatorActuatorType Object
idShortStringString
modifiersModifierType Object
targetTargetType Object

Property action ∷ ActionType Object

  • This entry is required

Property actuator ∷ ActuatorType Object

  • This entry is optional

Property id ∷ ShortStringString

  • This entry is optional

    • ShortString String with at most 1024 characters

Property modifiers ∷ ModifierType Object

  • This entry is optional

Property target ∷ TargetType Object

  • This entry is optional

Property type ∷ StructuredCOATypeString

  • This entry is required

    • Must equal: "structured_coa"

ModifierType Object

PropertyTypeDescriptionRequired?
additional_propertiesAdditionalProperties Object
delayInst (Date)
destinationString
durationInst (Date)
frequencyShortStringString
idShortStringString
locationString
methodString List
optionShortStringString
responseString
searchString
sourceShortStringString
timeValidTime Object

Property additional_properties ∷ AdditionalProperties Object

  • This entry is optional

Property delay ∷ Inst (Date)

  • 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 destination ∷ String

  • This entry is optional

    • Allowed Values:
      • copy-to
      • modify-to
      • move-to
      • report-to
      • restore-point
      • save-to
      • set-to

Property duration ∷ Inst (Date)

  • 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 frequency ∷ ShortStringString

  • This entry is optional

    • ShortString String with at most 1024 characters

Property id ∷ ShortStringString

  • This entry is optional

    • ShortString String with at most 1024 characters

Property location ∷ String

  • This entry is optional

    • Allowed Values:
      • internal
      • perimeter

Property method ∷ String List

  • This entry is optional

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

    • Allowed Values:
      • acl
      • authenticated
      • blackhole
      • blacklist
      • graceful
      • hibernate
      • honeypot
      • immediate
      • segmentation
      • spawn
      • suspend
      • unauthenticated
      • whitelist

Property option ∷ ShortStringString

  • This entry is optional

    • ShortString String with at most 1024 characters

Property response ∷ String

  • This entry is optional

    • Allowed Values:
      • acknowledge
      • command-ref
      • query
      • status

Property search ∷ String

  • This entry is optional

    • Allowed Values:
      • cve
      • patch
      • signature
      • vendor_bulletin

Property source ∷ ShortStringString

  • This entry is optional

    • ShortString String with at most 1024 characters

Property time ∷ ValidTime Object

  • This entry is optional

AdditionalProperties Object

PropertyTypeDescriptionRequired?
contextShortStringString ✓

Property context ∷ ShortStringString

  • This entry is required

    • ShortString String with at most 1024 characters

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.

ActuatorType Object

PropertyTypeDescriptionRequired?
typeActuatorTypeString ✓
specifiersShortStringString Listlist of additional properties describing the actuator

Property specifiers ∷ ShortStringString List

list of additional properties describing the actuator

  • This entry is optional

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

    • ShortString String with at most 1024 characters

Property type ∷ ActuatorTypeString

  • This entry is required

    • Allowed Values:
      • endpoint
      • endpoint.digital-telephone-handset
      • endpoint.laptop
      • endpoint.pos-terminal
      • endpoint.printer
      • endpoint.sensor
      • endpoint.server
      • endpoint.smart-meter
      • endpoint.smart-phone
      • endpoint.tablet
      • endpoint.workstation
      • network
      • network.bridge
      • network.firewall
      • network.gateway
      • network.guard
      • network.hips
      • network.hub
      • network.ids
      • network.ips
      • network.modem
      • network.nic
      • network.proxy
      • network.router
      • network.security_manager
      • network.sense_making
      • network.sensor
      • network.switch
      • network.vpn
      • network.wap
      • other
      • process
      • process.aaa-server
      • process.anti-virus-scanner
      • process.connection-scanner
      • process.directory-service
      • process.dns-server
      • process.email-service
      • process.file-scanner
      • process.location-service
      • process.network-scanner
      • process.remediation-service
      • process.reputation-service
      • process.sandbox
      • process.virtualization-service
      • process.vulnerability-scanner

TargetType Object

PropertyTypeDescriptionRequired?
typeTargetTypeVocabString ✓
specifiersShortStringStringobservable types that can be acted upon

Property specifiers ∷ ShortStringString

observable types that can be acted upon

  • This entry is optional

    • ShortString String with at most 1024 characters

Property type ∷ TargetTypeVocabString

  • This entry is required

    • Allowed Values:
      • amp_computer_guid
      • certificate_common_name
      • certificate_issuer
      • certificate_serial
      • cisco_cm_id
      • cisco_mid
      • cisco_uc_id
      • crowdstrike_id
      • cybereason_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

ActionType Object

PropertyTypeDescriptionRequired?
typeCOATypeString ✓

Property type ∷ COATypeString

  • This entry is required

    • Allowed Values:
      • alert
      • allow
      • augment
      • contain
      • delete
      • deny
      • detonate
      • distill
      • get
      • investigate
      • locate
      • mitigate
      • modify
      • move
      • notify
      • other
      • pause
      • query
      • redirect
      • remediate
      • report
      • response
      • restart
      • restore
      • resume
      • save
      • scan
      • set
      • snapshot
      • start
      • stop
      • substitute
      • sync
      • throttle
      • update
    • Reference: OpenC2/STIX COA XML schema
❮*Casebook* Object*Feedback* Object❯

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