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MediumSigmaHQSwachchhanda Shrawan Poudel (Nextron Systems)

Registry Modification Attempt Via VBScript - PowerShell

Detects attempts to modify the registry using VBScript's CreateObject("Wscript.shell") and RegWrite methods embedded within PowerShell scripts or commands. Threat actors commonly embed VBScript code within PowerShell…

Description

Detects attempts to modify the registry using VBScript's CreateObject("Wscript.shell") and RegWrite methods embedded within PowerShell scripts or commands. Threat actors commonly embed VBScript code within PowerShell to perform registry modifications, attempting to evade detection that monitors for direct registry access through traditional tools. This technique can be used for persistence, defense evasion, and privilege escalation by modifying registry keys without using regedit.exe, reg.exe, or PowerShell's native registry cmdlets.

Detection logic

Detection requirements

Platform
LinuxmacOSWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Log source product
windows
Log source category
ps_script

Known benign triggers

  • Some legitimate admin or install scripts may use these processes for registry modifications.

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