Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0005 ✕

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  • Registration of Uncommon .NET Services and/or Assemblies Informational

    Regasm.exe and regsvcs.exe are used to register .NET COM assemblies, which are typically located in specific paths, attackers might leverage that to execute code within a Microsoft signed binary.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Hour
    ATT&CK tactics: Stealth (TA0005)
    ATT&CK techniques: System Binary Proxy Execution: Regsvcs/Regasm (T1218.009)
    Required data: XDR Agent
    Attacker's goals: Load untrusted code into a trusted Microsoft context to evade detection.
    Investigative actions: Verify if the loaded dll is known to be malicious. Track down which process dropped the library being loaded. Validate if the actions being done by the regasm.exe process are malicious.