Powershell as win32 not working

[ABill1]

Hello everyone,

I've been working on deploying a script to prevent a user from using Chrome:

# Check if the script is running with administrator privileges if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) { Write-Host "Please run this script as an administrator." Exit } # Define the path to chrome.exe $chromeExePath = "C:\Program Files\Google\Chrome\Application\chrome.exe" # Create a new firewall rule to block chrome.exe New-NetFirewallRule -DisplayName "Block Chrome" -Direction Outbound -Program $chromeExePath -Action Block # Verify the rule $rule = Get-NetFirewallRule -DisplayName "Block Chrome" if ($rule) { Write-Host "Successfully blocked Chrome." } else { Write-Host "Failed to create the firewall rule." }

This script is functional.

I also have another script called install.ps1 that installs it. The installation command is:

powershell.exe -ExecutionPolicy Bypass -File Blockchrome.ps1

I package the install.ps1 as the source for the intunewin file and then deploy it to the desired devices.

Detection script: 

 # Check if the "Block Chrome" firewall rule exists

$rule = Get-NetFirewallRule -DisplayName "Block Chrome"

if ($rule) {

    Write-Host "Firewall rule 'Block Chrome' already exists."

} else {

    Write-Host "Firewall rule 'Block Chrome' does not exist."

} 

 

The install fails, any ideas where I am going wrong? 

[#2]

In the Detection script, you have to do an output (which you did using Write-Host), but you have to exit with 0 if successful (exit 0). Exit with 1 if failed, in which case the install script should run (exit 1)

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[#3]

Hi, So what would it look like?

[#4 · Accepted solution]

@ABill1 Like this:

# Check if the "Block Chrome" firewall rule exists

$rule = Get-NetFirewallRule -DisplayName "Block Chrome"

if ($rule) {

    Write-Host "Firewall rule 'Block Chrome' already exists."

    Exit 0

} else {

    Write-Host "Firewall rule 'Block Chrome' does not exist."
    Exit 1

}