Analytics Alerts

Browse the Cortex analytics alert reference.

Severity
Detection module
Data source

1 alert match the current filters. technique: T1052 ✕

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  • Possible data exfiltration over a USB storage device Informational Identity Threat Module

    A process generated massive file creation, renaming and write activity to a USB storage device.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    1 Hour
    Deduplication:
    1 Day
    ATT&CK tactics: Collection (TA0009) Exfiltration (TA0010)
    ATT&CK techniques: Exfiltration Over Physical Medium: Exfiltration over USB (T1052.001) Data Staged: Local Data Staging (T1074.001)
    Required data: XDR Agent with eXtended Threat Hunting (XTH)
    Attacker's goals: Collect data and stage it on an endpoint in the organization.
    Investigative actions: Check whether the process that created the massive file activity creates network connections as well. Check whether the USB storage device is new to the organization. Check whether other users in the organization used the same process for massive file activity.