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AppLocker GPO: Create Executable Rules

    Question

  • To ALLOW a group of users and DENY everyone else from PowerShell & PowerShell ISE, both x64 & x86.

    > There is an existing Executable Rule that ALLOW 'NT Authority/Authenticated users' to Path: %Windir%\*.

    If I add into this existing Executable Rule with Publisher Exceptions to

    1. %WINDIR%\System32\WindowsPowerShell\*; & 2. %windir%\sysWOW64\WindowsPowerShell\*

    question: Does the above DENY everyone from PowerShell?

    Then, I create two Executable Rules to ALLOW a security group of user for PowerShell:

    rule 1: Path: %system32%\WindowsPowerShell\* &

    rule 2: Path: %syswow64%\WindowsPowerShell\*

    By implementing above, will I achieve DENY everyone from PowerShell and ALLOW only group of user to both PowerShell & PowerShell ISE (both x64 & x86-bit)?

    Thank you


    Best Regards,

    Thursday, May 19, 2016 1:55 AM

Answers

  • Hi BlueBerries,

    Thanks for your post.

    You need create a ALLOW rule for the group which you want allow them to use PowerShell.exe and add the PowerShell.exe to Exceptions of other ACLs, which action=ALLOW and user=everyone. If you do not want Administrator to run PowerShell.exe, you need add the PowerShell.exe to Exceptions of the ACL, which action=ALLOW and user=administrator.

    If you want to set the same action for PowerShell ISE (both x64 and x86), you need repeat the action above to achieve your goal.

    Best Regards,

    Jay


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    Thursday, May 19, 2016 7:49 AM
    Moderator