Detect Regsvcs With No Command Line Arguments

Description

The following analytic identifies regsvcs.exe with no command line arguments. This particular behavior occurs when another process injects into regsvcs.exe, no command line arguments will be present. During investigation, identify any network connections and parallel processes. Identify any suspicious module loads related to credential dumping or file writes. Regasm.exe are natively found in C:\Windows\Microsoft.NET\Framework\v\regasm|regsvcs.exe and C:\Windows\Microsoft.NET\Framework64\v\regasm|regsvcs.exe.

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Detect Regsvcs With No Command Line Arguments Help

To successfully implement this search, you need to be ingesting logs with the process name, parent process, and command-line executions from your endpoints. If you are using Sysmon, you must have at least version 6.0.4 of the Sysmon TA.

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