Attempt to Modify an Okta Network Zone
editAttempt to Modify an Okta Network Zone
editDetects attempts to modify an Okta network zone. Okta network zones can be configured to limit or restrict access to a network based on IP addresses or geolocations. An adversary may attempt to modify, delete, or deactivate an Okta network zone in order to remove or weaken an organization’s security controls.
Rule type: query
Rule indices:
- filebeat-*
- logs-okta*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-6m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Identity
- Okta
- Continuous Monitoring
- SecOps
- Network Security
- Defense Evasion
Version: 8 (version history)
Added (Elastic Stack release): 7.9.0
Last modified (Elastic Stack release): 8.4.0
Rule authors: Elastic
Rule license: Elastic License v2
Potential false positives
editConsider adding exceptions to this rule to filter false positives if Oyour organization’s Okta network zones are regularly modified.
Investigation guide
editRule query
editevent.dataset:okta.system and event.action:(zone.update or network_zone.rule.disabled or zone.remove_blacklist)
Threat mapping
editFramework: MITRE ATT&CKTM
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Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
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Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/
Rule version history
edit- Version 8 (8.4.0 release)
-
- Formatting only
- Version 6 (7.13.0 release)
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- Formatting only
- Version 5 (7.12.0 release)
-
- Formatting only
- Version 4 (7.11.2 release)
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- Formatting only
- Version 3 (7.11.0 release)
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- Rule name changed from: Attempt to Modify Okta Network Zone
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Updated query, changed from:
event.dataset:okta.system and event.action:(zone.update or zone.deactivate or zone.delete or network_zone.rule.disabled or zone.remove_blacklist)
- Version 2 (7.10.0 release)
-
-
Updated query, changed from:
event.module:okta and event.dataset:okta.system and event.action:(zone.update or zone.deactivate or zone.delete or network_zone.rule.disabled or zone.remove_blacklist)
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