Create Install-SSHServer.ps1

Author: mwilco03

Install-SSHServer.ps1

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+# Set execution policy for the current process without confirmation prompts
+Set-ExecutionPolicy Bypass -Scope Process -Force
+
+# Ensure TLS 1.2 is enabled for secure web communications
+[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072
+
+# Install Chocolatey using their community script
+iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
+
+# Define a function to comment lines containing a specified string in a file
+function Comment-LinesWithSearchString {
+    param(
+        [Parameter(Mandatory)][string]$FilePath,       # Path to the file
+        [Parameter(Mandatory)][string]$SearchString    # String to search for in the file
+    )
+    # Read, process, and overwrite the file
+    (Get-Content $FilePath) | ForEach-Object {
+        if ($_ -match $SearchString) {
+            "#$_"  # Prefix line with '#' if it contains the search string
+        } else {
+            $_    # Leave other lines unchanged
+        }
+    } | Set-Content $FilePath  # Write the changes back to the same file
+    Write-Host "File updated: $FilePath"
+}
+
+# Install OpenSSH capabilities if they're not already installed
+Get-WindowsCapability -Online | Where-Object Name -like 'OpenSSH*' | ForEach-Object {
+    Add-WindowsCapability -Online -Name $_.name
+}
+
+# Configure SSH services to start automatically and start them
+Get-Service | Where-Object Name -Like '*ssh*' | ForEach-Object {
+    Set-Service -Name $_.name -StartupType Automatic
+    Start-Service -Name $_.name
+}
+
+# Create the .ssh directory and authorized_keys file, set permissions
+mkdir .ssh | Out-Null
+New-Item -Value "" -Path .ssh/authorized_keys
+icacls.exe .ssh /inheritance:r /grant "`"$env:username`:f`" /grant "SYSTEM:f"
+
+# Comment out specific lines in the sshd_config file
+"Match Group admin", "administrators_authorized_keys" | ForEach-Object {
+    Comment-LinesWithSearchString -FilePath 'C:\ProgramData\ssh\sshd_config' -SearchString $_
+}
+
+# Install Nano editor using Chocolatey and exit
+powershell choco install nano-win -y ; exit;
+
+Get-Service | Where-Object Name -Like '*ssh*' | ForEach-Object {
+    ReStart-Service -Name $_.name
+}