Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0112 ✕ technique: T1685 ✕

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  • User set insecure CA registry setting for global SANs Low Identity Analytics

    A user enabled the EDITF_ATTRIBUTESUBJECTALTNAME2 registry flag, allowing custom Subject Alternative Names (SANs) to be specified on all certificate templates. This could enable attackers to bypass security controls by requesting certificates with user-defined SANs.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Defense Impairment (TA0112)
    ATT&CK techniques: Disable or Modify Tools (T1685)
    Required data: XDR Agent with eXtended Threat Hunting (XTH)
    Detector tags: Active Directory Certificate Services Analytics
    Attacker's goals: This flag can allow an attacker to obtain a certificate with higher privileges and escalate to Domain Admin.
    Investigative actions: Confirm whether the registry change was authorized by the user or system administrator. Monitor certificate enrollments with Subject Alternate Names. Restore the secure configuration by disabling the EDITF_ATTRIBUTESUBJECTALTNAME2 flag and enforcing strict certificate policies. Investigate any unusual authentication attempts or certificates issued to high-privilege users or accounts.