Class: Authentication

name: Authentication
annotations:
  ocsf_constraints:
    tag: ocsf_constraints
    value: '{"at_least_one": ["service", "dst_endpoint"]}'
  ocsf_event_uid:
    tag: ocsf_event_uid
    value: 2
  associations:
    tag: associations
    value: '{"actor.user": ["src_endpoint"], "dst_endpoint": ["user"], "src_endpoint":

      ["actor.user"], "user": ["dst_endpoint"]}'
description: 'Authentication events report authentication session activities, including
  user

  attempts to log on or log off, regardless of success, as well as other key

  stages within the authentication process. These events are typically generated

  by authentication services, such as Kerberos, OIDC, or SAML, and may include

  information about the user, the authentication method used, and the status of

  the authentication attempt.'
notes:
- 'D3FEND™ Ontology d3f:AuthenticationEvent —

  https://d3fend.mitre.org/event/d3f:AuthenticationEvent'
in_subset:
- iam_subset
from_schema: https://w3id.org/lmodel/ocsf
see_also:
- https://d3fend.mitre.org/event/d3f:AuthenticationEvent
aliases:
- Authentication
is_a: IamEvent
slots:
- account_switch_type
- account_switch_type_id
- activity_id
- auth_factors
- auth_protocol
- auth_protocol_id
- authentication_token
- certificate
- dst_endpoint
- is_cleartext
- is_mfa
- is_new_logon
- is_remote
- logon_process
- logon_type
- logon_type_id
- service
- session
- status_detail
- user
slot_usage:
  account_switch_type:
    name: account_switch_type
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  account_switch_type_id:
    name: account_switch_type_id
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  activity_id:
    name: activity_id
    range: AuthenticationActivityIdEnum
  auth_factors:
    name: auth_factors
    annotations:
      group:
        tag: group
        value: context
    description: 'Describes a category of methods used for identity verification in
      an

      authentication attempt.'
  auth_protocol:
    name: auth_protocol
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  auth_protocol_id:
    name: auth_protocol_id
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  authentication_token:
    name: authentication_token
    annotations:
      group:
        tag: group
        value: context
    description: 'The authentication token, ticket, or assertion, e.g. <code>Kerberos</code>,

      <code>OIDC</code>, <code>SAML</code>.'
  certificate:
    name: certificate
    annotations:
      group:
        tag: group
        value: primary
    description: 'The certificate associated with the authentication or pre-authentication

      (Kerberos).'
    recommended: true
  dst_endpoint:
    name: dst_endpoint
    annotations:
      group:
        tag: group
        value: primary
    description: The endpoint to which the authentication was targeted.
    recommended: true
  is_cleartext:
    name: is_cleartext
    annotations:
      group:
        tag: group
        value: context
  is_mfa:
    name: is_mfa
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  is_new_logon:
    name: is_new_logon
    annotations:
      group:
        tag: group
        value: context
  is_remote:
    name: is_remote
    annotations:
      group:
        tag: group
        value: primary
    description: The attempted authentication is over a remote connection.
    recommended: true
  logon_process:
    name: logon_process
    annotations:
      group:
        tag: group
        value: context
  logon_type:
    name: logon_type
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  logon_type_id:
    name: logon_type_id
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  service:
    name: service
    annotations:
      group:
        tag: group
        value: primary
    description: The service or gateway to which the user or process is being authenticated
    recommended: true
  session:
    name: session
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  status_detail:
    name: status_detail
    description: 'The details about the authentication request. For example, possible
      details for

      Windows logon or logoff events

      are:<ul><li>Success</li><ul><li>LOGOFF_USER_INITIATED</li><li>LOGOFF_OTHER</li></ul><li>Failure</li><ul><li>USER_DOES_NOT_EXIST</li><li>INVALID_CREDENTIALS</li><li>ACCOUNT_DISABLED</li><li>ACCOUNT_LOCKED_OUT</li><li>PASSWORD_EXPIRED</li></ul></ul>'
  user:
    name: user
    annotations:
      group:
        tag: group
        value: primary
    description: The subject (user/role or account) to authenticate.
    required: true
rules:
- postconditions:
    any_of:
    - slot_conditions:
        service:
          name: service
          required: true
    - slot_conditions:
        dst_endpoint:
          name: dst_endpoint
          required: true
  description: 'OCSF at_least_one: at least one of [''service'', ''dst_endpoint'']
    must be set.'

name: Authentication
annotations:
  ocsf_constraints:
    tag: ocsf_constraints
    value: '{"at_least_one": ["service", "dst_endpoint"]}'
  ocsf_event_uid:
    tag: ocsf_event_uid
    value: 2
  associations:
    tag: associations
    value: '{"actor.user": ["src_endpoint"], "dst_endpoint": ["user"], "src_endpoint":

      ["actor.user"], "user": ["dst_endpoint"]}'
description: 'Authentication events report authentication session activities, including
  user

  attempts to log on or log off, regardless of success, as well as other key

  stages within the authentication process. These events are typically generated

  by authentication services, such as Kerberos, OIDC, or SAML, and may include

  information about the user, the authentication method used, and the status of

  the authentication attempt.'
notes:
- 'D3FEND™ Ontology d3f:AuthenticationEvent —

  https://d3fend.mitre.org/event/d3f:AuthenticationEvent'
in_subset:
- iam_subset
from_schema: https://w3id.org/lmodel/ocsf
see_also:
- https://d3fend.mitre.org/event/d3f:AuthenticationEvent
aliases:
- Authentication
is_a: IamEvent
slot_usage:
  account_switch_type:
    name: account_switch_type
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  account_switch_type_id:
    name: account_switch_type_id
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  activity_id:
    name: activity_id
    range: AuthenticationActivityIdEnum
  auth_factors:
    name: auth_factors
    annotations:
      group:
        tag: group
        value: context
    description: 'Describes a category of methods used for identity verification in
      an

      authentication attempt.'
  auth_protocol:
    name: auth_protocol
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  auth_protocol_id:
    name: auth_protocol_id
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  authentication_token:
    name: authentication_token
    annotations:
      group:
        tag: group
        value: context
    description: 'The authentication token, ticket, or assertion, e.g. <code>Kerberos</code>,

      <code>OIDC</code>, <code>SAML</code>.'
  certificate:
    name: certificate
    annotations:
      group:
        tag: group
        value: primary
    description: 'The certificate associated with the authentication or pre-authentication

      (Kerberos).'
    recommended: true
  dst_endpoint:
    name: dst_endpoint
    annotations:
      group:
        tag: group
        value: primary
    description: The endpoint to which the authentication was targeted.
    recommended: true
  is_cleartext:
    name: is_cleartext
    annotations:
      group:
        tag: group
        value: context
  is_mfa:
    name: is_mfa
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  is_new_logon:
    name: is_new_logon
    annotations:
      group:
        tag: group
        value: context
  is_remote:
    name: is_remote
    annotations:
      group:
        tag: group
        value: primary
    description: The attempted authentication is over a remote connection.
    recommended: true
  logon_process:
    name: logon_process
    annotations:
      group:
        tag: group
        value: context
  logon_type:
    name: logon_type
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  logon_type_id:
    name: logon_type_id
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  service:
    name: service
    annotations:
      group:
        tag: group
        value: primary
    description: The service or gateway to which the user or process is being authenticated
    recommended: true
  session:
    name: session
    annotations:
      group:
        tag: group
        value: primary
    recommended: true
  status_detail:
    name: status_detail
    description: 'The details about the authentication request. For example, possible
      details for

      Windows logon or logoff events

      are:<ul><li>Success</li><ul><li>LOGOFF_USER_INITIATED</li><li>LOGOFF_OTHER</li></ul><li>Failure</li><ul><li>USER_DOES_NOT_EXIST</li><li>INVALID_CREDENTIALS</li><li>ACCOUNT_DISABLED</li><li>ACCOUNT_LOCKED_OUT</li><li>PASSWORD_EXPIRED</li></ul></ul>'
  user:
    name: user
    annotations:
      group:
        tag: group
        value: primary
    description: The subject (user/role or account) to authenticate.
    required: true
attributes:
  account_switch_type:
    name: account_switch_type
    annotations:
      group:
        tag: group
        value: primary
    description: 'The account switch method, normalized to the caption of the

      account_switch_type_id value. In the case of ''Other'', it is defined by the

      event source.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Account Switch Type
    rank: 1000
    alias: account_switch_type
    owner: Authentication
    domain_of:
    - Authentication
    range: string
    recommended: true
  account_switch_type_id:
    name: account_switch_type_id
    annotations:
      group:
        tag: group
        value: primary
    description: The normalized identifier of the account switch method.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Account Switch Type ID
    rank: 1000
    alias: account_switch_type_id
    owner: Authentication
    domain_of:
    - Authentication
    range: AccountSwitchTypeIdEnum
    recommended: true
  activity_id:
    name: activity_id
    annotations:
      group:
        tag: group
        value: classification
    description: The normalized identifier of the activity that triggered the event.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Activity ID
    rank: 1000
    alias: activity_id
    owner: Authentication
    domain_of:
    - BaseEvent
    - ApiActivity
    - ApplicationError
    - ApplicationLifecycle
    - DatastoreActivity
    - FileHosting
    - ScanActivity
    - WebResourceAccessActivity
    - WebResourcesActivity
    - DiscoveryEvent
    - DiscoveryResult
    - DataSecurityFinding
    - Finding
    - IncidentFinding
    - SecurityFinding
    - AccountChange
    - Authentication
    - AuthorizeSession
    - EntityManagement
    - GroupManagement
    - UserAccess
    - DhcpActivity
    - DnsActivity
    - EmailActivity
    - EmailFileActivity
    - EmailUrlActivity
    - FtpActivity
    - HttpActivity
    - NetworkActivity
    - NetworkFileActivity
    - NtpActivity
    - RdpActivity
    - SmbActivity
    - SshActivity
    - TunnelActivity
    - RemediationActivity
    - EventLogActvity
    - FileActivity
    - KernelActivity
    - KernelExtensionActivity
    - MemoryActivity
    - ModuleActivity
    - PeripheralActivity
    - ProcessActivity
    - ScheduledJobActivity
    - ScriptActivity
    - AirborneBroadcastActivity
    - DroneFlightsActivity
    - RegistryKeyActivity
    - RegistryValueActivity
    - WindowsResourceActivity
    - WindowsServiceActivity
    range: AuthenticationActivityIdEnum
    required: true
  auth_factors:
    name: auth_factors
    annotations:
      group:
        tag: group
        value: context
    description: 'Describes a category of methods used for identity verification in
      an

      authentication attempt.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Authentication Factors
    rank: 1000
    alias: auth_factors
    owner: Authentication
    domain_of:
    - Idp
    - AccountChange
    - Authentication
    range: AuthFactor
    multivalued: true
  auth_protocol:
    name: auth_protocol
    annotations:
      group:
        tag: group
        value: primary
    description: 'The authentication protocol as defined by the caption of

      <code>auth_protocol_id</code>. In the case of <code>Other</code>, it is defined

      by the event source.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Auth Protocol
    rank: 1000
    alias: auth_protocol
    owner: Authentication
    domain_of:
    - Scim
    - Sso
    - Authentication
    - DroneFlightsActivity
    range: string
    recommended: true
  auth_protocol_id:
    name: auth_protocol_id
    annotations:
      group:
        tag: group
        value: primary
    description: 'The normalized identifier of the authentication protocol used to
      create the

      user session.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Auth Protocol ID
    rank: 1000
    alias: auth_protocol_id
    owner: Authentication
    domain_of:
    - Scim
    - Sso
    - Authentication
    - DroneFlightsActivity
    range: AuthProtocolIdEnum
    recommended: true
  authentication_token:
    name: authentication_token
    annotations:
      group:
        tag: group
        value: context
    description: 'The authentication token, ticket, or assertion, e.g. <code>Kerberos</code>,

      <code>OIDC</code>, <code>SAML</code>.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Authentication Token
    rank: 1000
    alias: authentication_token
    owner: Authentication
    domain_of:
    - Authentication
    range: AuthenticationToken
  certificate:
    name: certificate
    annotations:
      group:
        tag: group
        value: primary
    description: 'The certificate associated with the authentication or pre-authentication

      (Kerberos).'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Certificate
    rank: 1000
    alias: certificate
    owner: Authentication
    domain_of:
    - Sso
    - Tls
    - DigitalSignature
    - Authentication
    range: Certificate
    recommended: true
  dst_endpoint:
    name: dst_endpoint
    annotations:
      group:
        tag: group
        value: primary
    description: The endpoint to which the authentication was targeted.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Destination Endpoint
    rank: 1000
    alias: dst_endpoint
    owner: Authentication
    domain_of:
    - Evidences
    - LoadBalancer
    - ApiActivity
    - DatastoreActivity
    - FileHosting
    - WebResourcesActivity
    - DataSecurityFinding
    - Authentication
    - AuthorizeSession
    - NetworkEvent
    - DhcpActivity
    - DnsActivity
    - EmailActivity
    - NetworkActivity
    - NetworkFileActivity
    - TunnelActivity
    - EventLogActvity
    - UnmannedSystemsEvent
    - AirborneBroadcastActivity
    range: NetworkEndpoint
    recommended: true
  is_cleartext:
    name: is_cleartext
    annotations:
      group:
        tag: group
        value: context
    description: 'Indicates whether the credentials were passed in clear text.<p><b>Note:</b>

      True if the credentials were passed in a clear text protocol such as FTP or

      TELNET, or if Windows detected that a user''s logon password was passed to the

      authentication package in clear text.</p>'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Cleartext Credentials
    rank: 1000
    alias: is_cleartext
    owner: Authentication
    domain_of:
    - Authentication
    range: boolean
  is_mfa:
    name: is_mfa
    annotations:
      group:
        tag: group
        value: primary
    description: Indicates whether Multi Factor Authentication was used during authentication.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Multi Factor Authentication
    rank: 1000
    alias: is_mfa
    owner: Authentication
    domain_of:
    - Session
    - Authentication
    range: boolean
    recommended: true
  is_new_logon:
    name: is_new_logon
    annotations:
      group:
        tag: group
        value: context
    description: Indicates logon is from a device not seen before or a first time
      account logon.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - New Logon
    rank: 1000
    alias: is_new_logon
    owner: Authentication
    domain_of:
    - Authentication
    range: boolean
  is_remote:
    name: is_remote
    annotations:
      group:
        tag: group
        value: primary
    description: The attempted authentication is over a remote connection.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Remote
    rank: 1000
    alias: is_remote
    owner: Authentication
    domain_of:
    - Session
    - Authentication
    range: boolean
    recommended: true
  logon_process:
    name: logon_process
    annotations:
      group:
        tag: group
        value: context
    description: The trusted process that validated the authentication credentials.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Logon Process
    rank: 1000
    alias: logon_process
    owner: Authentication
    domain_of:
    - Authentication
    range: Process
  logon_type:
    name: logon_type
    annotations:
      group:
        tag: group
        value: primary
    description: 'The logon type, normalized to the caption of the logon_type_id value.
      In the

      case of ''Other'', it is defined by the event source.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Logon Type
    rank: 1000
    alias: logon_type
    owner: Authentication
    domain_of:
    - Authentication
    range: string
    recommended: true
  logon_type_id:
    name: logon_type_id
    annotations:
      group:
        tag: group
        value: primary
    description: The normalized logon type identifier.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Logon Type ID
    rank: 1000
    alias: logon_type_id
    owner: Authentication
    domain_of:
    - Authentication
    range: LogonTypeIdEnum
    recommended: true
  service:
    name: service
    annotations:
      group:
        tag: group
        value: primary
    description: The service or gateway to which the user or process is being authenticated
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Service
    rank: 1000
    alias: service
    owner: Authentication
    domain_of:
    - QueryEvidence
    - Span
    - Trace
    - Api
    - MessageContext
    - ServiceQuery
    - Authentication
    range: Service
    recommended: true
  session:
    name: session
    annotations:
      group:
        tag: group
        value: primary
    description: The authenticated user or service session.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Session
    rank: 1000
    alias: session
    owner: Authentication
    domain_of:
    - QueryEvidence
    - Actor
    - NetworkConnectionInfo
    - Process
    - SessionQuery
    - Authentication
    - AuthorizeSession
    - TunnelActivity
    range: Session
    recommended: true
  status_detail:
    name: status_detail
    annotations:
      group:
        tag: group
        value: primary
    description: 'The details about the authentication request. For example, possible
      details for

      Windows logon or logoff events

      are:<ul><li>Success</li><ul><li>LOGOFF_USER_INITIATED</li><li>LOGOFF_OTHER</li></ul><li>Failure</li><ul><li>USER_DOES_NOT_EXIST</li><li>INVALID_CREDENTIALS</li><li>ACCOUNT_DISABLED</li><li>ACCOUNT_LOCKED_OUT</li><li>PASSWORD_EXPIRED</li></ul></ul>'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Status Detail
    rank: 1000
    alias: status_detail
    owner: Authentication
    domain_of:
    - Compliance
    - LoadBalancer
    - BaseEvent
    - Authentication
    - EventLogActvity
    range: string
    recommended: true
  user:
    name: user
    annotations:
      group:
        tag: group
        value: primary
    description: The subject (user/role or account) to authenticate.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - User
    rank: 1000
    alias: user
    owner: Authentication
    domain_of:
    - QueryEvidence
    - Actor
    - Evidences
    - Job
    - ManagedEntity
    - Process
    - UserInventory
    - UserQuery
    - IamAnalysisFinding
    - AccountChange
    - Authentication
    - AuthorizeSession
    - GroupManagement
    - UserAccess
    - RdpActivity
    - TunnelActivity
    range: User
    required: true
  actor:
    name: actor
    annotations:
      group:
        tag: group
        value: context
    description: 'The actor object describes details about the user/role/process that
      was the

      source of the activity. Note that this is not the threat actor of a campaign

      but may be part of a campaign.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Actor
    rank: 1000
    alias: actor
    owner: Authentication
    domain_of:
    - Evidences
    - HostProfile
    - ApiActivity
    - DatastoreActivity
    - FileHosting
    - ConfigState
    - DeviceConfigStateChange
    - InventoryInfo
    - OsintInventoryInfo
    - SoftwareInfo
    - UserInventory
    - DataSecurityFinding
    - IamEvent
    - NetworkFileActivity
    - SystemEvent
    - EventLogActvity
    - FileActivity
    - KernelExtensionActivity
    - ModuleActivity
    - ProcessActivity
    - ScheduledJobActivity
    - RegistryKeyActivity
    - RegistryValueActivity
    range: Actor
    recommended: true
  http_request:
    name: http_request
    annotations:
      group:
        tag: group
        value: context
    description: Details about the underlying HTTP request.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - HTTP Request
    rank: 1000
    alias: http_request
    owner: Authentication
    domain_of:
    - Evidences
    - ApiActivity
    - DatastoreActivity
    - FileHosting
    - WebResourceAccessActivity
    - WebResourcesActivity
    - IamEvent
    - HttpActivity
    range: HttpRequest
  http_response:
    name: http_response
    annotations:
      group:
        tag: group
        value: context
    description: Details about the underlying HTTP response.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - HTTP Response
    rank: 1000
    alias: http_response
    owner: Authentication
    domain_of:
    - Evidences
    - ApiActivity
    - DatastoreActivity
    - FileHosting
    - WebResourceAccessActivity
    - WebResourcesActivity
    - IamEvent
    - HttpActivity
    range: HttpResponse
  src_endpoint:
    name: src_endpoint
    annotations:
      group:
        tag: group
        value: primary
    description: Details about the source of the IAM activity.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Source Endpoint
    rank: 1000
    alias: src_endpoint
    owner: Authentication
    domain_of:
    - Evidences
    - ApiActivity
    - DatastoreActivity
    - FileHosting
    - WebResourceAccessActivity
    - WebResourcesActivity
    - DataSecurityFinding
    - IamEvent
    - NetworkEvent
    - DhcpActivity
    - EmailActivity
    - NetworkActivity
    - NetworkFileActivity
    - TunnelActivity
    - EventLogActvity
    - UnmannedSystemsEvent
    - AirborneBroadcastActivity
    - DroneFlightsActivity
    range: NetworkEndpoint
    recommended: true
  activity_name:
    name: activity_name
    annotations:
      group:
        tag: group
        value: classification
    description: The event activity name, as defined by the activity_id.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Activity
    rank: 1000
    alias: activity_name
    owner: Authentication
    domain_of:
    - BaseEvent
    - DataSecurityFinding
    - Finding
    - IncidentFinding
    range: string
  category_name:
    name: category_name
    annotations:
      group:
        tag: group
        value: classification
    description: The event category name, as defined by category_uid value.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Category
    rank: 1000
    alias: category_name
    owner: Authentication
    domain_of:
    - BaseEvent
    range: string
  category_uid:
    name: category_uid
    annotations:
      group:
        tag: group
        value: classification
    description: The category unique identifier of the event.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Category ID
    rank: 1000
    alias: category_uid
    owner: Authentication
    domain_of:
    - BaseEvent
    range: BaseEventCategoryUidEnum
    required: true
  class_name:
    name: class_name
    annotations:
      group:
        tag: group
        value: classification
    description: The event class name, as defined by class_uid value.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Class
    rank: 1000
    alias: class_name
    owner: Authentication
    domain_of:
    - BaseEvent
    range: string
  class_uid:
    name: class_uid
    annotations:
      group:
        tag: group
        value: classification
    description: 'The unique identifier of a class. A class describes the attributes
      available in

      an event.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Class ID
    rank: 1000
    alias: class_uid
    owner: Authentication
    domain_of:
    - BaseEvent
    range: BaseEventClassUidEnum
    required: true
  count:
    name: count
    annotations:
      group:
        tag: group
        value: occurrence
    description: 'The number of times that events in the same logical group occurred
      during the

      event <strong>Start Time</strong> to <strong>End Time</strong> period.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Count
    rank: 1000
    alias: count
    owner: Authentication
    domain_of:
    - Observation
    - RelatedEvent
    - Session
    - DiscoveryDetails
    - UnmannedSystemOperatingArea
    - BaseEvent
    range: integer
  duration:
    name: duration
    annotations:
      group:
        tag: group
        value: occurrence
    description: 'The event duration or aggregate time, the amount of time the event
      covers from

      <code>start_time</code> to <code>end_time</code> in milliseconds.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Duration Milliseconds
    rank: 1000
    alias: duration
    owner: Authentication
    domain_of:
    - Span
    - Timespan
    - Trace
    - FirewallRule
    - BaseEvent
    - ScanActivity
    range: integer
  end_time:
    name: end_time
    annotations:
      group:
        tag: group
        value: occurrence
    description: 'The end time of a time period, or the time of the most recent event
      included in

      the aggregate event.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - End Time
    rank: 1000
    alias: end_time
    owner: Authentication
    domain_of:
    - Span
    - Timespan
    - Trace
    - NetworkTraffic
    - UnmannedSystemOperatingArea
    - MalwareScanInfo
    - BaseEvent
    - ScanActivity
    - Finding
    - IncidentFinding
    range: TimestampT
  enrichments:
    name: enrichments
    annotations:
      group:
        tag: group
        value: context
    description: 'The additional information from an external data source, which is
      associated

      with the event or a finding. For example add location information for the IP

      address in the DNS answers:</p><code>[{"name": "answers.ip", "value":

      "92.24.47.250", "type": "location", "data": {"city": "Socotra", "continent":

      "Asia", "coordinates": [-25.4153, 17.0743], "country": "YE", "desc":

      "Yemen"}}]</code>'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Enrichments
    rank: 1000
    alias: enrichments
    owner: Authentication
    domain_of:
    - BaseEvent
    range: Enrichment
    multivalued: true
  message:
    name: message
    annotations:
      group:
        tag: group
        value: primary
    description: The description of the event/finding, as defined by the source.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Message
    rank: 1000
    alias: message
    owner: Authentication
    domain_of:
    - Response
    - Span
    - HttpResponse
    - LoadBalancer
    - BaseEvent
    - ApplicationError
    range: string
    recommended: true
  metadata:
    name: metadata
    annotations:
      group:
        tag: group
        value: context
    description: The metadata associated with the event or a finding.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Metadata
    rank: 1000
    alias: metadata
    owner: Authentication
    domain_of:
    - BaseEvent
    range: Metadata
    required: true
  observables:
    name: observables
    annotations:
      group:
        tag: group
        value: primary
    description: The observables associated with the event or a finding.
    notes:
    - 'OCSF Observables FAQ —

      https://github.com/ocsf/ocsf-docs/blob/main/articles/defining-and-using-observables.md'
    from_schema: https://w3id.org/lmodel/ocsf
    see_also:
    - https://github.com/ocsf/ocsf-docs/blob/main/articles/defining-and-using-observables.md
    aliases:
    - Observables
    rank: 1000
    alias: observables
    owner: Authentication
    domain_of:
    - RelatedEvent
    - BaseEvent
    range: Observable
    recommended: true
    multivalued: true
  raw_data:
    name: raw_data
    annotations:
      group:
        tag: group
        value: context
    description: The raw event/finding data as received from the source.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Raw Data
    rank: 1000
    alias: raw_data
    owner: Authentication
    domain_of:
    - BaseEvent
    range: string
  raw_data_hash:
    name: raw_data_hash
    annotations:
      group:
        tag: group
        value: context
    description: The hash, which describes the content of the raw_data field.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Raw Data Hash
    rank: 1000
    alias: raw_data_hash
    owner: Authentication
    domain_of:
    - BaseEvent
    range: Fingerprint
  raw_data_size:
    name: raw_data_size
    annotations:
      group:
        tag: group
        value: context
    description: The size of the raw data which was transformed into an OCSF event,
      in bytes.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Raw Data Size
    rank: 1000
    alias: raw_data_size
    owner: Authentication
    domain_of:
    - BaseEvent
    range: integer
  severity:
    name: severity
    annotations:
      group:
        tag: group
        value: classification
    description: 'The event/finding severity, normalized to the caption of the

      <code>severity_id</code> value. In the case of ''Other'', it is defined by the

      source.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Severity
    rank: 1000
    alias: severity
    owner: Authentication
    domain_of:
    - Osint
    - RelatedEvent
    - VendorAttributes
    - Vulnerability
    - Check
    - Cvss
    - KbArticle
    - Malware
    - BaseEvent
    range: string
  severity_id:
    name: severity_id
    annotations:
      group:
        tag: group
        value: classification
    description: '<p>The normalized identifier of the event/finding severity.</p>The
      normalized

      severity is a measurement the effort and expense required to manage and resolve

      an event or incident. Smaller numerical values represent lower impact events,

      and larger numerical values represent higher impact events.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Severity ID
    rank: 1000
    alias: severity_id
    owner: Authentication
    domain_of:
    - Osint
    - RelatedEvent
    - VendorAttributes
    - Check
    - Malware
    - BaseEvent
    range: SeverityIdEnum
    required: true
  start_time:
    name: start_time
    annotations:
      group:
        tag: group
        value: occurrence
    description: 'The start time of a time period, or the time of the least recent
      event included

      in the aggregate event.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Start Time
    rank: 1000
    alias: start_time
    owner: Authentication
    domain_of:
    - Span
    - Timespan
    - Trace
    - NetworkTraffic
    - UnmannedSystemOperatingArea
    - MalwareScanInfo
    - BaseEvent
    - ScanActivity
    - Finding
    - IncidentFinding
    range: TimestampT
  status:
    name: status
    annotations:
      group:
        tag: group
        value: primary
    description: 'The event status, normalized to the caption of the status_id value.
      In the case

      of ''Other'', it is defined by the event source.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Status
    rank: 1000
    alias: status
    owner: Authentication
    domain_of:
    - RelatedEvent
    - Ticket
    - Whois
    - AdditionalRestriction
    - Check
    - Compliance
    - DataClassification
    - HttpResponse
    - BaseEvent
    - Finding
    - IncidentFinding
    - DroneFlightsActivity
    range: string
    recommended: true
  status_code:
    name: status_code
    annotations:
      group:
        tag: group
        value: primary
    description: 'The event status code, as reported by the event source.<br /><br
      />For example,

      in a Windows Failed Authentication event, this would be the value of ''Failure

      Code'', e.g. 0x18.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Status Code
    rank: 1000
    alias: status_code
    owner: Authentication
    domain_of:
    - Span
    - Compliance
    - BaseEvent
    - EventLogActvity
    range: string
    recommended: true
  status_id:
    name: status_id
    annotations:
      group:
        tag: group
        value: primary
    description: The normalized identifier of the event status.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Status ID
    rank: 1000
    alias: status_id
    owner: Authentication
    domain_of:
    - Ticket
    - AdditionalRestriction
    - Check
    - Compliance
    - DataClassification
    - BaseEvent
    - Finding
    - IncidentFinding
    - RemediationActivity
    - DroneFlightsActivity
    range: StatusIdEnum
    recommended: true
  time:
    name: time
    annotations:
      group:
        tag: group
        value: occurrence
    description: The normalized event occurrence time or the finding creation time.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Event Time
    rank: 1000
    alias: time
    owner: Authentication
    domain_of:
    - TransformationInfo
    - BaseEvent
    range: TimestampT
    required: true
  timezone_offset:
    name: timezone_offset
    annotations:
      group:
        tag: group
        value: occurrence
    description: 'The number of minutes that the reported event <code>time</code>
      is ahead or

      behind UTC, in the range -1,080 to +1,080.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Timezone Offset
    rank: 1000
    alias: timezone_offset
    owner: Authentication
    domain_of:
    - BaseEvent
    range: integer
    recommended: true
  type_name:
    name: type_name
    annotations:
      group:
        tag: group
        value: classification
    description: The event/finding type name, as defined by the type_uid.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Type Name
    rank: 1000
    alias: type_name
    owner: Authentication
    domain_of:
    - RelatedEvent
    - BaseEvent
    range: string
  type_uid:
    name: type_uid
    annotations:
      group:
        tag: group
        value: classification
    description: 'The event/finding type ID. It identifies the event''s semantics
      and structure.

      The value is calculated by the logging system as: <code>class_uid * 100 +

      activity_id</code>.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Type ID
    rank: 1000
    alias: type_uid
    owner: Authentication
    domain_of:
    - Observable
    - RelatedEvent
    - BaseEvent
    range: integer
    required: true
  unmapped:
    name: unmapped
    annotations:
      group:
        tag: group
        value: context
    description: 'The attributes that are not mapped to the event schema. The names
      and values of

      those attributes are specific to the event source.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Unmapped Data
    rank: 1000
    alias: unmapped
    owner: Authentication
    domain_of:
    - BaseEvent
    range: Object
  api:
    name: api
    annotations:
      group:
        tag: group
        value: context
    description: Describes details about a typical API (Application Programming Interface)
      call.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - API Details
    rank: 1000
    alias: api
    owner: Authentication
    domain_of:
    - Evidences
    - CloudProfile
    - ApiActivity
    range: Api
  cloud:
    name: cloud
    annotations:
      group:
        tag: group
        value: primary
    description: 'Describes details about the Cloud environment where the event or
      finding was

      created.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Cloud
    rank: 1000
    alias: cloud
    owner: Authentication
    domain_of:
    - CloudProfile
    - CloudResourcesInventoryInfo
    range: Cloud
    required: true
  device:
    name: device
    description: An addressable device, computer system or host.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Device
    rank: 1000
    alias: device
    owner: Authentication
    domain_of:
    - AuthFactor
    - Evidences
    - Logger
    - ManagedEntity
    - HostProfile
    - ConfigState
    - DeviceConfigStateChange
    - EvidenceInfo
    - InventoryInfo
    - PatchState
    - SoftwareInfo
    - DataSecurityFinding
    - Finding
    - RdpActivity
    - TunnelActivity
    - SystemEvent
    - EventLogActvity
    range: Device
    recommended: true
  osint:
    name: osint
    annotations:
      group:
        tag: group
        value: primary
    description: 'The OSINT (Open Source Intelligence) object contains details related
      to an

      indicator such as the indicator itself, related indicators, geolocation,

      registrar information, subdomains, analyst commentary, and other contextual

      information. This information can be used to further enrich a detection or

      finding by providing decisioning support to other analysts and engineers.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - OSINT
    rank: 1000
    alias: osint
    owner: Authentication
    domain_of:
    - OsintProfile
    - OsintInventoryInfo
    range: Osint
    required: true
    multivalued: true
  action:
    name: action
    description: The normalized caption of <code>action_id</code>.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Action
    rank: 1000
    alias: action
    owner: Authentication
    domain_of:
    - SecurityControlProfile
    range: string
  action_id:
    name: action_id
    annotations:
      sibling:
        tag: sibling
        value: action
    description: 'The action taken by a control or other policy-based system leading
      to an

      outcome or disposition. An unknown action may still correspond to a known

      disposition. Refer to <code>disposition_id</code> for the outcome of the

      action.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Action ID
    rank: 1000
    alias: action_id
    owner: Authentication
    domain_of:
    - SecurityControlProfile
    range: ActionIdEnum
    recommended: true
  attacks:
    name: attacks
    description: 'An array of MITRE ATT&CK® objects describing identified tactics,
      techniques &

      sub-techniques. The objects are compatible with MITRE ATLAS™ tactics,

      techniques & sub-techniques.'
    notes:
    - MITRE ATT&CK® — https://attack.mitre.org
    - MITRE ATLAS — https://atlas.mitre.org/matrices/ATLAS
    from_schema: https://w3id.org/lmodel/ocsf
    see_also:
    - https://attack.mitre.org
    - https://atlas.mitre.org/matrices/ATLAS
    aliases:
    - MITRE ATT&CK® and ATLAS™ Details
    rank: 1000
    alias: attacks
    owner: Authentication
    domain_of:
    - Osint
    - RelatedEvent
    - FindingInfo
    - SecurityControlProfile
    - IncidentFinding
    - SecurityFinding
    range: Attack
    multivalued: true
  authorizations:
    name: authorizations
    description: 'Provides details about an authorization, such as authorization outcome,
      and any

      associated policies related to the activity/event.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Authorization Information
    rank: 1000
    alias: authorizations
    owner: Authentication
    domain_of:
    - Actor
    - SecurityControlProfile
    range: Authorization
    multivalued: true
  confidence:
    name: confidence
    annotations:
      group:
        tag: group
        value: context
    description: 'The confidence, normalized to the caption of the confidence_id value.
      In the

      case of ''Other'', it is defined by the event source.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Confidence
    rank: 1000
    alias: confidence
    owner: Authentication
    domain_of:
    - Osint
    - SecurityControlProfile
    - DataSecurityFinding
    - DetectionFinding
    - Finding
    - IncidentFinding
    - SecurityFinding
    range: string
  confidence_id:
    name: confidence_id
    annotations:
      group:
        tag: group
        value: context
    description: 'The normalized confidence refers to the accuracy of the rule that
      created the

      finding. A rule with a low confidence means that the finding scope is wide and

      may create finding reports that may not be malicious in nature.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Confidence ID
    rank: 1000
    alias: confidence_id
    owner: Authentication
    domain_of:
    - Osint
    - SecurityControlProfile
    - DataSecurityFinding
    - DetectionFinding
    - Finding
    - IncidentFinding
    - SecurityFinding
    range: ConfidenceIdEnum
    recommended: true
  confidence_score:
    name: confidence_score
    annotations:
      group:
        tag: group
        value: context
    description: The confidence score as reported by the event source.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Confidence Score
    rank: 1000
    alias: confidence_score
    owner: Authentication
    domain_of:
    - SecurityControlProfile
    - DataSecurityFinding
    - DetectionFinding
    - Finding
    - IncidentFinding
    - SecurityFinding
    range: integer
  disposition:
    name: disposition
    description: 'The disposition name, normalized to the caption of the disposition_id
      value. In

      the case of ''Other'', it is defined by the event source.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Disposition
    rank: 1000
    alias: disposition
    owner: Authentication
    domain_of:
    - SecurityControlProfile
    range: string
  disposition_id:
    name: disposition_id
    annotations:
      sibling:
        tag: sibling
        value: disposition
    description: 'Describes the outcome or action taken by a security control, such
      as access

      control checks, malware detections or various types of policy violations.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Disposition ID
    rank: 1000
    alias: disposition_id
    owner: Authentication
    domain_of:
    - SecurityControlProfile
    range: DispositionIdEnum
    recommended: true
  firewall_rule:
    name: firewall_rule
    description: 'The firewall rule that pertains to the control that triggered the
      event, if

      applicable.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Firewall Rule
    rank: 1000
    alias: firewall_rule
    owner: Authentication
    domain_of:
    - SecurityControlProfile
    range: FirewallRule
  is_alert:
    name: is_alert
    description: 'Indicates that the event is considered to be an alertable signal.
      Should be set

      to <code>true</code> if <code>disposition_id = Alert</code> among other

      dispositions, and/or <code>risk_level_id</code> or <code>severity_id</code>
      of

      the event is elevated. Not all control events will be alertable, for example
      if

      <code>disposition_id = Exonerated</code> or <code>disposition_id =

      Allowed</code>.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Alert
    rank: 1000
    alias: is_alert
    owner: Authentication
    domain_of:
    - SecurityControlProfile
    - DataSecurityFinding
    - DetectionFinding
    range: boolean
    recommended: true
  malware:
    name: malware
    description: A list of Malware objects, describing details about the identified
      malware.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Malware
    rank: 1000
    alias: malware
    owner: Authentication
    domain_of:
    - Osint
    - SecurityControlProfile
    - DetectionFinding
    - SecurityFinding
    range: Malware
    multivalued: true
  malware_scan_info:
    name: malware_scan_info
    description: 'Describes details about the scan job that identified malware on
      the target

      system.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Malware Scan Info
    rank: 1000
    alias: malware_scan_info
    owner: Authentication
    domain_of:
    - SecurityControlProfile
    - DetectionFinding
    range: MalwareScanInfo
  policy:
    name: policy
    description: 'The policy that pertains to the control that triggered the event,
      if

      applicable. For example the name of an anti-malware policy or an access control

      policy.'
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Policy
    rank: 1000
    alias: policy
    owner: Authentication
    domain_of:
    - PermissionAnalysisResult
    - AdditionalRestriction
    - Assessment
    - Authorization
    - DataClassification
    - DataSecurity
    - ManagedEntity
    - SecurityControlProfile
    - ScanActivity
    - AccountChange
    range: Policy
  risk_details:
    name: risk_details
    annotations:
      group:
        tag: group
        value: context
    description: Describes the risk associated with the finding.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Risk Details
    rank: 1000
    alias: risk_details
    owner: Authentication
    domain_of:
    - SecurityControlProfile
    - DataSecurityFinding
    - DetectionFinding
    range: string
  risk_level:
    name: risk_level
    annotations:
      group:
        tag: group
        value: context
    description: The risk level, normalized to the caption of the risk_level_id value.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Risk Level
    rank: 1000
    alias: risk_level
    owner: Authentication
    domain_of:
    - ApplicationObject
    - User
    - Device
    - SecurityControlProfile
    - DataSecurityFinding
    - DetectionFinding
    - SecurityFinding
    range: string
  risk_level_id:
    name: risk_level_id
    annotations:
      group:
        tag: group
        value: context
    description: The normalized risk level id.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Risk Level ID
    rank: 1000
    alias: risk_level_id
    owner: Authentication
    domain_of:
    - ApplicationObject
    - User
    - Device
    - SecurityControlProfile
    - DataSecurityFinding
    - DetectionFinding
    - SecurityFinding
    range: RiskLevelIdEnum
  risk_score:
    name: risk_score
    annotations:
      group:
        tag: group
        value: context
    description: The risk score as reported by the event source.
    from_schema: https://w3id.org/lmodel/ocsf
    aliases:
    - Risk Score
    rank: 1000
    alias: risk_score
    owner: Authentication
    domain_of:
    - Osint
    - ApplicationObject
    - User
    - Device
    - SecurityControlProfile
    - DataSecurityFinding
    - DetectionFinding
    - SecurityFinding
    range: integer
rules:
- postconditions:
    any_of:
    - slot_conditions:
        service:
          name: service
          required: true
    - slot_conditions:
        dst_endpoint:
          name: dst_endpoint
          required: true
  description: 'OCSF at_least_one: at least one of [''service'', ''dst_endpoint'']
    must be set.'