Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0005 ✕ technique: T1562 ✕

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  • A user modified the CA audit policy Low Identity Analytics

    A user modified the CA audit policy. This may indicate that an attacker is attempting to cover their tracks before an AD CS attack.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Defense Evasion (TA0005)
    ATT&CK techniques: Impair Defenses: Disable Windows Event Logging (T1562.002)
    Required data: Windows Event Collector XDR Agent with eXtended Threat Hunting (XTH)
    Detector tags: Active Directory Certificate Services Analytics
    Attacker's goals: An attacker is attempting to cover their tracks before an AD CS attack.
    Investigative actions: Check the user account modifying the CA audit policy and verify its activity. Review AD CS logs to identify any unauthorized certificate issuances, modifications, or template changes. Examine recent activity from the user account, including logon patterns and privilege changes. Continue monitoring the account for any subsequent actions that may indicate suspicious behavior.