Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0005 ✕

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  • Uncommon msiexec execution of an arbitrary file from a remote location Low 1 variation

    Msiexec is the command-line utility for the Windows Installer. Adversaries may abuse msiexec.exe to proxy execution of malicious payloads from remote locations.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Stealth (TA0005)
    ATT&CK techniques: System Binary Proxy Execution: Msiexec (T1218.007)
    Required data: XDR Agent
    Detector tags: LOLBIN Execution Analytics
    Attacker's goals: Evading security controls and executing arbitrary files from the web.
    Investigative actions: Monitor the command-line arguments of msiexec.exe, For example, the command line msiexec /i http://some_domain.com/www/executable.msi can be legitimate or malicious. Check if the the URL that is encoded in the command line is trusted. Determine if the executed DLL or MSI file is known as legitimate. Confirm whether the initiating process is legitimate and if the user running it knows of its use. Note - the MSI executable can run from other LAN locations, the alert will raise on the WAN connection.

    Variations

    Suspicious msiexec execution on an internet-facing endpoint

    Low overridden

    Suspicious msiexec execution of an arbitrary file from the web on an internet-facing server. overridden