Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0001 ✕

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  • Executable or Script file written by a web server process Low 3 variations

    An uncommon executable or script file was created, written, or renamed by a web server process.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Initial Access (TA0001) Persistence (TA0003)
    ATT&CK techniques: External Remote Services (T1133) Server Software Component: Web Shell (T1505.003)
    Required data: XDR Agent with eXtended Threat Hunting (XTH)
    Detector tags: Webshell Analytics
    Attacker's goals: Gain the ability to execute commands on the host and establish persistence.
    Investigative actions: Review web server access logs for suspicious requests or uploads. Inspect the dropped file to determine whether it contains malicious content.

    Variations

    A driver was written by a web server process

    Low overridden

    An uncommon driver file was created, written, or renamed by a web server process. overridden

    Executable or Script file written by a web server process in an internet facing server

    Low overridden

    An uncommon executable or script file was created, written, or renamed by a web server process. overridden

    Executable or Script file written by a web server process with connections from various sources and high web traffic

    Low overridden

    An uncommon executable or script file was created, written, or renamed by a web server process. overridden