Sighting Object

A single sighting of an indicator

Property	Type	Description	Required?
confidence	HighMedLow String		✓
count	Integer	The number of times the sighting was seen	✓
id	String	Globally unique URI identifying this object.	✓
observed_time	ObservedTime Object		✓
schema_version	String	CTIM schema version for this entity	✓
type	SightingTypeIdentifier String		✓
description	Markdown String	A description of object, which may be detailed.
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.
internal	Boolean	Is it internal to our network
language	ShortString String	The human language this object is specified in.
observables	Observable Object List	The object(s) of interest
relations	ObservedRelation Object List	Provide any context we can about where the observable came from
resolution	Resolution String
revision	Integer	A monotonically increasing revision, incremented each time the object is changed.
sensor	Sensor String	The OpenC2 Actuator name that best fits the device that is creating this sighting (e.g. network.firewall)
severity	HighMedLow String
short_description	MedString String	A single line, short summary of the object.
source	MedString String
source_uri	String
targets	SightingTarget Object List	The target device. Where the sighting came from.
timestamp	Inst (Date)	The time this object was created at, or last modified.
title	ShortString String	A short title for this object, used as primary display and reference value
tlp	TLP String	Specification for how, and to whom, this object can be shared.

• Reference: SightingType

Property confidence ∷ HighMedLow String

• This entry is required

  • Allowed Values:
    • High
    • Info
    • Low
    • Medium
    • None
    • Unknown
  • Reference: HighMedLowVocab

Property count ∷ Integer

The number of times the sighting was seen

• This entry is required

  • Zero, or a positive integer

Property description ∷ Markdown String

A description of object, which may be detailed.

• This entry is optional

  • 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)

• 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 internal ∷ Boolean

Is it internal to our network

• This entry is optional

Property language ∷ ShortString String

The human language this object is specified in.

• This entry is optional

  • String with at most 1024 characters

Property observables ∷ Observable Object List

The object(s) of interest

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

• Observable Object Value
  • Details: Observable Object

Property observed_time ∷ ObservedTime Object

• This entry is required

• ObservedTime Object Value
  • Details: ObservedTime Object

Property relations ∷ ObservedRelation Object List

Provide any context we can about where the observable came from

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

• ObservedRelation Object Value
  • Details: ObservedRelation Object

Property resolution ∷ Resolution String

• This entry is optional

  • indicates if the sensor that is reporting the Sighting already took action on it, for instance a Firewall blocking the IP
  • Default: detected
  • Allowed Values:
    • allowed
    • blocked
    • contained
    • detected

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 sensor ∷ Sensor String

The OpenC2 Actuator name that best fits the device that is creating this sighting (e.g. network.firewall)

• This entry is optional

  • The openC2 Actuator name that best fits a device See also the Open C2 Language Description, Actuator Vocabulary, page 24.
  • 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
    • 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
  • Reference: OpenC2 Language Description

Property severity ∷ HighMedLow String

• This entry is optional

  • Allowed Values:
    • High
    • Info
    • Low
    • Medium
    • None
    • Unknown
  • Reference: HighMedLowVocab

Property short_description ∷ MedString String

A single line, short summary of the object.

• This entry is optional

  • String with at most 2048 characters

Property source ∷ MedString String

• This entry is optional

  • String with at most 2048 characters

Property source_uri ∷ String

• This entry is optional

  • A URI

Property targets ∷ SightingTarget Object List

The target device. Where the sighting came from.

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

• SightingTarget Object Value
  • Details: SightingTarget Object

Property timestamp ∷ Inst (Date)

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

• This entry is optional

  • Schema definition for all date or timestamp values. Time is stored internally as a java.util.Date object. Serialized as a string, the field should follow the rules of the ISO8601 standard.

Property title ∷ ShortString String

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

• This entry is optional

  • String with at most 1024 characters

Property tlp ∷ TLP String

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

• This entry is optional

  • 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 ∷ SightingTypeIdentifier String

• This entry is required

  • Must equal: "sighting"

ExternalReference Object

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	MedString String	The source within which the external-reference is defined (system, registry, organization, etc.)	✓
description	Markdown String
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 ∷ Markdown String

• This entry is optional

  • 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 ∷ MedString String

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

• This entry is required

  • String with at most 2048 characters

Property url ∷ String

A URL reference to an external resource

• This entry is optional

  • A URI

ObservedTime Object

Period of time when a cyber observation is valid. start_time must come before end_time (if specified).

Property	Type	Description	Required?
start_time	Inst (Date)	Time of the observation. If the observation was made over a period of time, than this field indicates the start of that period	✓
end_time	Inst (Date)	If the observation was made over a period of time, than this field indicates the end of that period

• Reference: ValidTimeType

Property end_time ∷ Inst (Date)

If the observation was made over a period of time, than this field indicates the end of that period

• This entry is optional

  • Schema definition for all date or timestamp values. Time is stored internally as a java.util.Date object. Serialized as a string, the field should follow the rules of the ISO8601 standard.

Property start_time ∷ Inst (Date)

Time of the observation. If the observation was made over a period of time, than this field indicates the start of that period

• This entry is required

  • Schema definition for all date or timestamp values. Time is stored internally as a java.util.Date object. Serialized as a string, the field should follow the rules of the ISO8601 standard.

SightingTarget Object

Describes a target device where a sighting came from.

Property	Type	Description	Required?
observables	Observable Object List		✓
observed_time	ObservedTime Object		✓
type	Sensor String		✓
os	String
properties_data_tables	String

Property observables ∷ Observable Object List

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

• Observable Object Value
  • Details: Observable Object

Property observed_time ∷ ObservedTime Object

• This entry is required

• ObservedTime Object Value
  • Details: ObservedTime Object

Property os ∷ String

• This entry is optional

Property properties_data_tables ∷ String

• This entry is optional

  • A URI leading to a data table

Property type ∷ Sensor String

• This entry is required

  • The openC2 Actuator name that best fits a device See also the Open C2 Language Description, Actuator Vocabulary, page 24.
  • 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
    • 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
  • Reference: OpenC2 Language Description

ObservedTime Object

Period of time when a cyber observation is valid. start_time must come before end_time (if specified).

Property	Type	Description	Required?
start_time	Inst (Date)	Time of the observation. If the observation was made over a period of time, than this field indicates the start of that period	✓
end_time	Inst (Date)	If the observation was made over a period of time, than this field indicates the end of that period

• Reference: ValidTimeType

Property end_time ∷ Inst (Date)

If the observation was made over a period of time, than this field indicates the end of that period

• This entry is optional

  • Schema definition for all date or timestamp values. Time is stored internally as a java.util.Date object. Serialized as a string, the field should follow the rules of the ISO8601 standard.

Property start_time ∷ Inst (Date)

Time of the observation. If the observation was made over a period of time, than this field indicates the start of that period

• This entry is required

  • Schema definition for all date or timestamp values. Time is stored internally as a java.util.Date object. Serialized as a string, the field should follow the rules of the ISO8601 standard.

Observable Object

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.

Property	Type	Description	Required?
type	ObservableTypeIdentifier String		✓
value	String		✓

Property type ∷ ObservableTypeIdentifier String

• This entry is required

  • Observable type names
  • Allowed Values:
    • amp_computer_guid
    • device
    • domain
    • email
    • file_name
    • file_path
    • hostname
    • imei
    • imsi
    • ip
    • ipv6
    • mac_address
    • md5
    • odns_identity
    • pki_serial
    • sha1
    • sha256
    • url
    • user

Property value ∷ String

• This entry is required

Observable Object

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.

Property	Type	Description	Required?
type	ObservableTypeIdentifier String		✓
value	String		✓

Property type ∷ ObservableTypeIdentifier String

• This entry is required

  • Observable type names
  • Allowed Values:
    • amp_computer_guid
    • device
    • domain
    • email
    • file_name
    • file_path
    • hostname
    • imei
    • imsi
    • ip
    • ipv6
    • mac_address
    • md5
    • odns_identity
    • pki_serial
    • sha1
    • sha256
    • url
    • user

Property value ∷ String

• This entry is required

ObservedRelation Object

A relation inside a Sighting.

Property	Type	Description	Required?
origin	String		✓
related	Observable Object		✓
relation	ObservableRelationType String		✓
source	Observable Object		✓
origin_uri	String
relation_info	Object

Property origin ∷ String

• This entry is required

Property origin_uri ∷ String

• This entry is optional

  • A URI

Property related ∷ Observable Object

• This entry is required

• Observable Object Value
  • Details: Observable Object

Property relation ∷ ObservableRelationType String

• This entry is required

  • Allowed Values:
    • Allocated
    • Allocated_By
    • Bound
    • Bound_By
    • Characterized_By
    • Characterizes
    • Child_Of
    • Closed
    • Closed_By
    • Compressed
    • Compressed_By
    • Compressed_From
    • Compressed_Into
    • Connected_From
    • Connected_To
    • Contained_Within
    • Contains
    • Copied
    • Copied_By
    • Copied_From
    • Copied_To
    • Created
    • Created_By
    • Decoded
    • Decoded_By
    • Decompressed
    • Decompressed_By
    • Decrypted
    • Decrypted_By
    • Deleted
    • Deleted_By
    • Deleted_From
    • Downloaded
    • Downloaded_By
    • Downloaded_From
    • Downloaded_To
    • Dropped
    • Dropped_By
    • Encoded
    • Encoded_By
    • Encrypted
    • Encrypted_By
    • Encrypted_From
    • Encrypted_To
    • Extracted_From
    • FQDN_Of
    • Freed
    • Freed_By
    • Hooked
    • Hooked_By
    • Initialized_By
    • Initialized_To
    • Injected
    • Injected_As
    • Injected_By
    • Injected_Into
    • Installed
    • Installed_By
    • Joined
    • Joined_By
    • Killed
    • Killed_By
    • Listened_On
    • Listened_On_By
    • Loaded_From
    • Loaded_Into
    • Locked
    • Locked_By
    • Mapped_By
    • Mapped_Into
    • Merged
    • Merged_By
    • Modified_Properties_Of
    • Monitored
    • Monitored_By
    • Moved
    • Moved_By
    • Moved_From
    • Moved_To
    • Opened
    • Opened_By
    • Packed
    • Packed_By
    • Packed_From
    • Packed_Into
    • Parent_Of
    • Paused
    • Paused_By
    • Previously_Contained
    • Properties_Modified_By
    • Properties_Queried
    • Properties_Queried_By
    • Read_From
    • Read_From_By
    • Received
    • Received_By
    • Received_From
    • Received_Via_Upload
    • Redirects_To
    • Related_To
    • Renamed
    • Renamed_By
    • Renamed_From
    • Renamed_To
    • Resolved_To
    • Resumed
    • Resumed_By
    • Root_Domain_Of
    • Searched_For
    • Searched_For_By
    • Sent
    • Sent_By
    • Sent_To
    • Sent_Via_Upload
    • Set_From
    • Set_To
    • Sub-domain_Of
    • Supra-domain_Of
    • Suspended
    • Suspended_By
    • Unhooked
    • Unhooked_By
    • Unlocked
    • Unlocked_By
    • Unpacked
    • Unpacked_By
    • Uploaded
    • Uploaded_By
    • Uploaded_From
    • Uploaded_To
    • Used
    • Used_By
    • Values_Enumerated
    • Values_Enumerated_By
    • Written_To_By
    • Wrote_To

Property relation_info ∷ Object

• This entry is optional

• Object Value
  • Details: Object

Property source ∷ Observable Object

• This entry is required

• Observable Object Value
  • Details: Observable Object

Observable Object

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.

Property	Type	Description	Required?
type	ObservableTypeIdentifier String		✓
value	String		✓

Property type ∷ ObservableTypeIdentifier String

• This entry is required

  • Observable type names
  • Allowed Values:
    • amp_computer_guid
    • device
    • domain
    • email
    • file_name
    • file_path
    • hostname
    • imei
    • imsi
    • ip
    • ipv6
    • mac_address
    • md5
    • odns_identity
    • pki_serial
    • sha1
    • sha256
    • url
    • user

Property value ∷ String

• This entry is required

Observable Object

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.

Property	Type	Description	Required?
type	ObservableTypeIdentifier String		✓
value	String		✓

Property type ∷ ObservableTypeIdentifier String

• This entry is required

  • Observable type names
  • Allowed Values:
    • amp_computer_guid
    • device
    • domain
    • email
    • file_name
    • file_path
    • hostname
    • imei
    • imsi
    • ip
    • ipv6
    • mac_address
    • md5
    • odns_identity
    • pki_serial
    • sha1
    • sha256
    • url
    • user

Property value ∷ String

• This entry is required

Object

Property	Type	Description	Required?
Keyword	Anything		✓

Property Keyword ∷ Anything

• This entry is required