Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. technique: T1078 ✕

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  • User added to a group and removed Informational Identity Analytics 2 variations

    A user was added to an Active Directory group and removed within a short period of time, which may be a sign of compromise.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    10 Hours
    Deduplication:
    1 Day
    ATT&CK tactics: Persistence (TA0003) Privilege Escalation (TA0004)
    ATT&CK techniques: Account Manipulation (T1098) Valid Accounts (T1078)
    Required data: Windows Event Collector XDR Agent with eXtended Threat Hunting (XTH)
    Attacker's goals: Elevate permissions and establish persistence.
    Investigative actions: Verify the activity with the performing user. Confirm that the group addition was not accidental. Check for any suspicious actions performed by the added user. Check for a possible compromise of the initiating user.

    Variations

    Rare privileged group addition and removal

    Medium overridden

    A user was added to an Active Directory privileged group and removed within a short period of time, which may be a sign of compromise. overridden

    User added to a privileged group and removed

    Low overridden

    A user was added to an Active Directory privileged group and removed within a short period of time, which may be a sign of compromise. overridden