![]() Microsoft is presenting a lot of new features to WDAC and continuously expanding the capabilities. Windows Defender Application Control (WDAC) is a newer and much more secure solution for Application allowlisting however, it is not as easy to configure, design and deploy as AppLocker is. Windows Defender Application Control (WDAC) The script will automatically download AaronLocker and AccessChk (Sysinterals) and create a default set of AppLocker rules that can be deployed using Group Policy Objects. Set-ExecutionPolicy -ExecutionPolicy Bypass -Scope Process -Force \AccessChk.zip -UseBasicParsingĬopy-Item. \AaronLocker\AaronLocker-master\AaronLocker ![]() To deploy AaronLocker in your environment, run the following script on a reference computer: The reference computer should be a Windows client joined to the domain and identical to your regular production workstations, running the same applications as your workstations would normally run The tool is called AaronLocker and can be downloaded here: This tool will also add the domain values for SYSVOL and NETLOGON, block executables used for AppLocker bypasses as well as deny access to specific paths used for AppLocker bypasses. Microsoft has developed a tool for automatically creating a default set of rules for AppLocker. AppLocker is mostly aimed towards low-privileged users, whereas Windows Defender Application Control is mostly aimed towards the Operating System itself. Using Windows own application allowlisting solutions, we can choose from AppLocker and Windows Defender Application Control (formerly known as Device Guard or Configurable Code Integrity).ĪppLocker is the easiest to configure, design and deploy however, it’s possible for local administrators to bypass and disable this application whitelisting. Allowing only a specific set of applications to run on endpoints, besides some of Windows own binaries, can reduce the possibility of attackers executing arbitrary code on the endpoints. Implementing application allowlisting should be one of the first priorities when securing a Windows Endpoint. ![]()
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