Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
[Windows 8] Show passwords of Wi-Fi profiles in clear-text
(netsh wlan show profiles) | # Fetch all Wi-Fi profiles
Select-String "\:(.+)$" | # Grab the profile name (note: not necessarily equal to SSID)
%{$name=$_.Matches.Groups[1].Value.Trim(); $_} | # Store profile name to a var
%{(netsh wlan show profile name="$name" key=clear)} | # Fetch profile details with clear-text password
Select-String "Key Content\W+\:(.+)$" | # Grab the password
%{$pass=$_.Matches.Groups[1].Value.Trim(); $_} | # Store password to a var
%{[PSCustomObject]@{ PROFILE_NAME=$name;PASSWORD=$pass }} | # Construct an object to be able to use Format-Table
Format-Table -AutoSize # Format the output
Write-Host ""
Write-Host "Press any key to continue..."
Read-Host
@randomuser1234

This comment has been minimized.

Copy link

commented Jul 9, 2015

Is this Windows 8 only? I get an error sometimes on various computers that are Windows 7.

Cannot index into a null array.
At F:\show-wifi-passwords.ps1.ps1:66 char:82

  • (netsh wlan show profiles) | Select-String ":(.+)$" | %{$name=$.Matches.Groups[ <<<< 1].Value.Trim();$} |
    %{(netsh wlan show profile name="$name" key=clear)} | Select-String "Key Content\W+:(.+)$" | %{$pass=$.Matches.Groups[1].Value.Trim(); $} | %{
    [PSCustomObject]@{ PROFILE_NAME=$name;PASSWORD=$pass }} -erroraction Continue | Format-Table -AutoSize
    • CategoryInfo : InvalidOperation: (1:Int32) [], RuntimeException
    • FullyQualifiedErrorId : NullArray
@harriha

This comment has been minimized.

Copy link
Owner Author

commented Sep 12, 2015

@randomuser1234 Yeah, this was crafted on Windows 8 and haven't tested it on Windows 7 at all. My guess is that some underlying APIs or PowerShell versions are slightly different.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.