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HighMicrosoft Sentinel analytics

Regsvr32 Rundll32 with Anomalous Parent Process

This analytical rule looks for rundll32.exe or regsvr32.exe being spawned by abnormal processes: wscript.exe, powershell.exe, cmd.exe, pwsh.exe, cscript.exe. Blog:…

Description

This analytical rule looks for rundll32.exe or regsvr32.exe being spawned by abnormal processes: wscript.exe, powershell.exe, cmd.exe, pwsh.exe, cscript.exe. Blog: https://threathunt.blog/running-live-malware-for-threat-hunting-purposes/

Detection logic

Detection requirements

Platform
Windows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
microsoftthreatprotection
Log source service
devicenetworkeventsdeviceprocessevents

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