![]() 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. when the AppIDSvc is started) unless an AppLocker 'Allow' rule is created for powershell.exe.Īdd the following resource definition below to allow Administrators to run powershell.exe: # Must enable access to powershell.exe since it is used by the applocker_rule provider to enforce rules.Īpplocker_rule ],Įxceptions => ,ĭescription => 'Sample rule specifying conditions and exceptions, no filepath param.Implementing application allowlisting should be one of the first priorities when securing a Windows Endpoint. The provider uses powershell.exe to enforce the resource and will fail after AppLocker is started (i.e. AppLocker may restrict access to powershell.exe. Please note that this AppLocker custom provider will fail without access to powershell.exe. Modify the Puppet Master's Puppetfile by adding the following line: mod 'autostructure-applocker', '1.0.0' PowerShell Rule It is enabled by default, so no action should be required. ![]() Note: pluginsync is necessary to download the powershell.rb provider file to the agent.
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