Analytics Alerts

Browse the Cortex analytics alert reference.

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3 alerts match the current filters. tactic: TA0006 ✕ technique: T1110 ✕

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  • NTLM Brute Force Informational Identity Analytics 2 variations

    A user account attempted to authenticate to a target using NTLM an excessive number of times in a short period. This may indicate an NTLM brute force attack.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    10 Minutes
    Deduplication:
    1 Day
    ATT&CK tactics: Credential Access (TA0006)
    ATT&CK techniques: Brute Force (T1110)
    Required data: XDR Agent
    Attacker's goals: The attacker attempts to gain access to the accounts.
    Investigative actions: Verify any successful authentication by the user account referenced by the alert, as these can indicate the attacker managed to guess the credentials.

    Variations

    NTLM brute force on a sensitive user

    Medium overridden

    A user account attempted to authenticate to a target using NTLM an excessive number of times in a short period on a sensitive account. This may indicate an NTLM brute force attack. overridden

    High-frequency NTLM brute force attempts detected

    Low overridden

    A user account attempted to authenticate to a target using NTLM an excessive number of times and with high frequency. This may indicate an NTLM brute force attack. overridden

  • NTLM Brute Force on a Service Account Low Identity Analytics

    A service account attempted to authenticate to a target using NTLM an excessive number of times in a short period. This may indicate a NTLM brute-force attack.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    10 Minutes
    Deduplication:
    1 Day
    ATT&CK tactics: Credential Access (TA0006)
    ATT&CK techniques: Brute Force (T1110)
    Required data: XDR Agent
    Attacker's goals: The attacker attempts to gain access to the service accounts.
    Investigative actions: Verify any successful authentication by the user account referenced by the alert, as these can indicate the attacker managed to guess the credentials.
  • NTLM Brute Force on an Administrator Account Low Identity Analytics

    An administrator account attempted to authenticate using NTLM to a target an excessive number of times in a short period. This may indicate an NTLM brute-force attack.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    10 Minutes
    Deduplication:
    1 Day
    ATT&CK tactics: Credential Access (TA0006)
    ATT&CK techniques: Brute Force (T1110)
    Required data: XDR Agent
    Attacker's goals: The attacker attempts to gain access to the administrator accounts.
    Investigative actions: Verify any successful authentication by the user account referenced by the alert, as these can indicate the attacker managed to guess the credentials.