Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0008 ✕ technique: T1078 ✕

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  • Abnormal User Login to Domain Controller Informational Identity Analytics 4 variations

    A user account has successfully logged on to a Domain Controller (DC), generating a Windows Event Log. This may be a sign of DC and Active Directory (AD) compromise.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Lateral Movement (TA0008) Privilege Escalation (TA0004)
    ATT&CK techniques: Valid Accounts (T1078) Use Alternate Authentication Material (T1550)
    Required data: XDR Agent
    Attacker's goals: A malicious user may attempt to access a domain controller to access and control Active Directory.
    Investigative actions: Ensure that the user is not a Domain Admin account. By default, Administrator groups have permission to access the domain controller. Check if the user is a service account that accesses a domain controller as part of its normal behavior. Verify that the user is not authenticating to group policy.

    Variations

    Rare RDP User Login to Domain Controller by an Abnormal Department

    Medium overridden

    A user account has successfully interactively logged on to a Domain Controller (DC), generating a Windows Event Log. This may be a sign of DC and Active Directory (AD) compromise. overridden

    Abnormal RDP User Login to Domain Controller

    Low overridden

    A user account has successfully interactively logged on to a Domain Controller (DC), generating a Windows Event Log. This may be a sign of DC and Active Directory (AD) compromise. overridden

    RDP User Login to Domain Controller

    Informational overridden

    A user account has successfully logged on to a Domain Controller (DC), generating a Windows Event Log. This may be a sign of DC and Active Directory (AD) compromise. overridden

    Abnormal User Login to Domain Controller by an Abnormal Department

    Informational overridden

    A user account has successfully logged on to a Domain Controller (DC), generating a Windows Event Log. This may be a sign of DC and Active Directory (AD) compromise. overridden