Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0003 ✕ technique: T1546 ✕

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  • Screensaver process executed from Users or temporary folder Low 1 variation

    An executable file with a screensaver extension was executed from the Users or temp folder. This is not a common behavior for screensavers and may indicate a malicious file disguised as a screensaver in the Users or temp folder. It is recommended to further investigate the execution flow for malicious indicators.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    6 Hours
    ATT&CK tactics: Persistence (TA0003)
    ATT&CK techniques: Event Triggered Execution: Screensaver (T1546.002)
    Required data: XDR Agent
    Attacker's goals: Gain persistence by configuring a new screensaver.
    Investigative actions: Check whether the executing process (with the SCR extension) is benign and if this was a desired behavior as part of its normal execution flow.

    Variations

    Screensaver process executed from Users or temporary folder by a scripting engine process

    High overridden

    An executable file with a screensaver extension was executed from the Users or temp folder by a scripting engine process. This is not a common behavior for screensavers and may indicate a malicious file disguised as a screensaver in the Users or temp folder. It is recommended to further investigate the execution flow for malicious indicators. overridden