Okta-core

3 operations, identified by eventType in the audit log.

eventType	Description
core.concurrency.org.limit.violation	Too many requests in flight.
core.el.evaluate	Evaluate Expression Language.
core.user_auth.idp.x509.crl_download_failure	Failed to download CRL from the endpoint.

core.concurrency.org.limit.violation

Namespace: Okta-core

Description

Too many requests in flight.

Fields #

Name	Description
`actor.id`	Unique ID of the actor performing the event.
`actor.type`	Type of actor: User, Client, System, PublicClientApp, etc.
`actor.alternateId`	Username or email of the actor.
`actor.displayName`	Display name of the actor.
`target[].id`	ID of each target object (user, group, application, ...).
`target[].type`	Type of each target object.
`target[].alternateId`	Username or email of each target object.
`outcome.result`	Result: SUCCESS, FAILURE, SKIPPED, ALLOW, DENY, CHALLENGE, UNKNOWN.
`outcome.reason`	Human-readable reason for the outcome.
`client.ipAddress`	IP address of the client.
`client.userAgent.rawUserAgent`	Raw user agent string.
`client.geographicalContext.country`	Country of origin for the request.
`securityContext.isProxy`	Whether the request came through a proxy or anonymizer.
`authenticationContext.externalSessionId`	Session ID correlating events in one user session.
`transaction.id`	Transaction ID correlating multiple log entries for one action.

Detection Rules #

View all rules referencing this event →

Elastic #

Possible Okta DoS Attack source medium: Detects possible Denial of Service (DoS) attacks against an Okta organization. An adversary may attempt to disrupt an organization's business operations by performing a DoS attack against its Okta service.

References #

Okta Event Types Catalog: core.concurrency.org.limit.violation https://developer.okta.com/docs/reference/api/event-types/#core-concurrency-org-limit-violation
Okta System Log API Reference https://developer.okta.com/docs/reference/api/system-log/

core.el.evaluate

Namespace: Okta-core

Description

Evaluate Expression Language.

Fields #

Name	Description
`actor.id`	Unique ID of the actor performing the event.
`actor.type`	Type of actor: User, Client, System, PublicClientApp, etc.
`actor.alternateId`	Username or email of the actor.
`actor.displayName`	Display name of the actor.
`target[].id`	ID of each target object (user, group, application, ...).
`target[].type`	Type of each target object.
`target[].alternateId`	Username or email of each target object.
`outcome.result`	Result: SUCCESS, FAILURE, SKIPPED, ALLOW, DENY, CHALLENGE, UNKNOWN.
`outcome.reason`	Human-readable reason for the outcome.
`client.ipAddress`	IP address of the client.
`client.userAgent.rawUserAgent`	Raw user agent string.
`client.geographicalContext.country`	Country of origin for the request.
`securityContext.isProxy`	Whether the request came through a proxy or anonymizer.
`authenticationContext.externalSessionId`	Session ID correlating events in one user session.
`transaction.id`	Transaction ID correlating multiple log entries for one action.

References #

Okta Event Types Catalog: core.el.evaluate https://developer.okta.com/docs/reference/api/event-types/#core-el-evaluate
Okta System Log API Reference https://developer.okta.com/docs/reference/api/system-log/

core.user_auth.idp.x509.crl_download_failure

Namespace: Okta-core

Description

Failed to download CRL from the endpoint.

Fields #

Name	Description
`actor.id`	Unique ID of the actor performing the event.
`actor.type`	Type of actor: User, Client, System, PublicClientApp, etc.
`actor.alternateId`	Username or email of the actor.
`actor.displayName`	Display name of the actor.
`target[].id`	ID of each target object (user, group, application, ...).
`target[].type`	Type of each target object.
`target[].alternateId`	Username or email of each target object.
`outcome.result`	Result: SUCCESS, FAILURE, SKIPPED, ALLOW, DENY, CHALLENGE, UNKNOWN.
`outcome.reason`	Human-readable reason for the outcome.
`client.ipAddress`	IP address of the client.
`client.userAgent.rawUserAgent`	Raw user agent string.
`client.geographicalContext.country`	Country of origin for the request.
`securityContext.isProxy`	Whether the request came through a proxy or anonymizer.
`authenticationContext.externalSessionId`	Session ID correlating events in one user session.
`transaction.id`	Transaction ID correlating multiple log entries for one action.

References #

Okta Event Types Catalog: core.user_auth.idp.x509.crl_download_failure https://developer.okta.com/docs/reference/api/event-types/#core-user_auth-idp-x509-crl_download_failure
Okta System Log API Reference https://developer.okta.com/docs/reference/api/system-log/

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`type:`	`events` / `rules` / `providers`
`vendor:`	`sigma` / `elastic` / `splunk` / `kusto` / `chronicle` (vendor name alone also works: `sigma:`, `kql:`, `secops:`…)
`tactic:`	TA-id, slug, or name: `credential_access`, `TA0006`
`technique:`	technique or sub-technique ID: `T1003`, `T1003.001` (alias `tech:`)
`severity:`	`critical` / `high` / `medium` / `low` / `informational` (alias `sev:`)
`risk_score`	Numeric comparison on the Elastic risk score (0 to 100): `risk_score>50`, `risk_score<=20`, `risk_score=99` (alias `risk`; Elastic rules only)
`stages:`	Rules with exactly N pipeline stages
`correlation:`	`single_event` / `sequence` / `alternatives` / `alternatives_cross_log` / `all_required` / `correlated`
`with:`	Co-occurrence event-id; stacks (`with:4624 with:4769`) to require all, while a comma list in one occurrence (`with:4624,4769`) is an either-or group. Implies multi-event
`like:`	Structural neighbors of a rule slug (equivalents + subsumption stricter / broader): `like:comsvcs_lsass_memory_dump-splunk-sysmon`
`groupby:`	Entity-grouping substring match against `group_by_keys`: `groupby:user`, `groupby:host`
`uses:`	Rules whose predicate tree touches the field (any kind, any value): `uses:CommandLine`
`excludes:`	Rules with top-level `not()` clauses on the field (FP whitelists): `excludes:ParentImage`
`field:` / `value:`	Predicate search; narrows rule cards to those with a matching leaf and drives the indicator tier. Unquoted = substring, wildcards allowed (`value:mimikatz`)
`indicator:`	Shorthand for `field:F value:V`: `indicator:Image=*\powershell.exe`
`kind:`	Filter by predicate kind. Narrows rule cards to those carrying a matching predicate leaf (`vendor:elastic kind:cidr_match`) and drives the indicator tier: `contains` / `starts_with` / `ends_with` / `regex` / `cidr` / `eq` / `in` … (operator aliases `op:`/`match:`)
`has:` / `no:`	`sample`, `field`, `notes`, `refs`, `trace`, `thirdparty`, `rule`, `pattern`, `timewindow`, `threshold`, `newterms`, `sigma`/`elastic`/`splunk`/`kusto`/`chronicle`
`-op:val`	Exclude matches; works on most operators but not `type:`/`like:`/`has:`/`no:` (use `no:<flag>` to exclude a rule flag): `tactic:execution -vendor:splunk`. Standalone `-kind:`/`-field:`/`-value:` drop every rule carrying a matching predicate leaf (`type:rules -kind:is_null`)
`field:"…"` / `value:"…"`	Quoted value = anchored exact match (also allows spaces): `value:"net user"`
`a,b`	Comma = OR inside one operator (`vendor:sigma,elastic`, `severity:high,critical`); repeating a facet merges the same way. `field:`/`value:` never split (literal commas)
`vendors:` / `stage:`	Singular and plural spellings fold to the canonical operator and value: `tactics:` = `tactic:`, `type:event` = `type:events`, `correlation:sequences` = `correlation:sequence`, `has:thresholds` = `has:threshold`
`"quoted phrase"`	Exact-match a multi-word phrase (free text)

Okta-core

core.concurrency.org.limit.violation

Description

Fields #

Detection Rules #

Elastic #

References #

core.el.evaluate

Description

Fields #

References #

core.user_auth.idp.x509.crl_download_failure

Description

Fields #

References #

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