Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0006 ✕ technique: T1557 ✕

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  • Possible authentication coercion Informational Identity Analytics 2 variations

    An unusual Remote Procedure Call (RPC) was made to potentially cause authentication coercion.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Credential Access (TA0006)
    ATT&CK techniques: Forced Authentication (T1187) Adversary-in-the-Middle: Name Resolution Poisoning and SMB Relay (T1557.001)
    Required data: XDR Agent with eXtended Threat Hunting (XTH)
    Attacker's goals: An attacker can abuse Remote Procedure Calls to coerce authentication from servers.
    Investigative actions: Check for a suspicious process on the initiator. Check if the source host is a vulnerability scanner. Check for unusual connections from {actor_remote_ip} to other servers in the network. Check for logged-in users to {actor_remote_ip} and investigate their actions. Check for indicators of compromise on {actor_remote_ip}.

    Variations

    Possible authentication coercion from an unconstrained delegation server to a sensitive server

    Medium overridden

    An unusual Remote Procedure Call (RPC) was made towards a sensitive server, to potentially cause authentication coercion. overridden

    Possible authentication coercion to a sensitive server

    Low overridden

    An unusual Remote Procedure Call (RPC) was made towards a sensitive server, to potentially cause authentication coercion. overridden