High Number of Okta User Password Reset or Unlock Attemptsedit
Identifies a high number of Okta user password reset or account unlock attempts. An adversary may attempt to obtain unauthorized access to Okta user accounts using these methods and attempt to blend in with normal activity in their target’s environment and evade detection.
Rule type: threshold
Rule indices:
- filebeat-*
- logs-okta*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-60m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Identity
- Okta
- Continuous Monitoring
- SecOps
- Identity and Access
Version: 5 (version history)
Added (Elastic Stack release): 7.10.0
Last modified (Elastic Stack release): 7.14.0
Rule authors: Elastic, @BenB196, Austin Songer
Rule license: Elastic License v2
Potential false positivesedit
The number of Okta user password reset or account unlock attempts will likely vary between organizations. To fit this rule to their organization, users can duplicate this rule and edit the schedule and threshold values in the new rule.
Investigation guideedit
## Config The Okta Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
Rule queryedit
event.dataset:okta.system and event.action:(system.email.account_unlock.sent_message or system.email.password_reset.sent_message or system.sms.send_account_unlock_message or system.sms.send_password_reset_message or system.voice.send_account_unlock_call or system.voice.send_password_reset_call or user.account.unlock_token)
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Valid Accounts
- ID: T1078
- Reference URL: https://attack.mitre.org/techniques/T1078/
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Valid Accounts
- ID: T1078
- Reference URL: https://attack.mitre.org/techniques/T1078/
-
Tactic:
- Name: Initial Access
- ID: TA0001
- Reference URL: https://attack.mitre.org/tactics/TA0001/
-
Technique:
- Name: Valid Accounts
- ID: T1078
- Reference URL: https://attack.mitre.org/techniques/T1078/
Rule version historyedit
- Version 5 (7.14.0 release)
-
-
Updated query, changed from:
event.dataset:okta.system and event.action:(system.email.account_unlock.sent_message or system.email.password_reset.sent_message or system.sms.send_account_unlock_message or system.sms.send_password_reset_message or system.voice.send_account_unlock_call or system.voice.send_password_reset_call or user.account.unlock_token)
-
- Version 4 (7.13.0 release)
-
- Formatting only
- Version 3 (7.12.0 release)
-
- Formatting only
- Version 2 (7.11.0 release)
-
- Formatting only