Need some help with powershell script

Hi,

I need some help to modifying the following script. The script is executed from a central server when a specific event is triggered. From the that central server the script is being executed and an email is sent. We would like to include code to use the computer name (env:COMPUTERNAME) with a the computer local account: administrator / password: 1234password to shutdown the network card.  

The script will run from a central server and the code should be able to open a remote connection to the env:COMPUTERNAME then shutdown the network card.

$LogName = "ForwardedEvents"
$EventID = "1116"
$Recipient = "Admin@Domain.com"
$Sender = "Trojanalerts@Domain.com"
$Subject = "TROJAN or RANSOMWARE found on System $($env:COMPUTERNAME)"
$PSEMailServer = "smtp.domain.com"
$DateTime = (Get-Date).AddDays(-1)

# Get All Events in Log $LogName with EventID $EventID
$Event = Get-WinEvent -FilterHashtable @{logname=$LogName;id=$EventID} -MaxEvents 1
IF ( (($Event.Message -like '*Trojan*') -or ($Event.Message -like '*ransom*') ) -and  ($Event.TimeCreated -ge $DateTime) ){
    $Body = @"
        TROJAN or RANSOMWare has been found on System $($env:COMPUTERNAME)
        See details below:
        Message: $($event.Message)
        Time: $($event.TimeCreated)
        Alert: $($event.LevelDisplayName)
        Process: $($event.ProcessId)
        Provider: $($event.ProviderName)
"@
    # Send E-Mail to $Recipient
    Send-MailMessage -to $Recipient -From $Sender -Subject $Subject -Body $Body -BodyAsHtml -Encoding UTF8
}

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