if (-NOT (Get-Module -ListAvailable -Name ExchangeOnlineManagement)) {
    Install-Module -Name ExchangeOnlineManagement
}

Import-Module ExchangeOnlineManagement

$admin = Read-Host "Exchange admin email or UPN"
Connect-IPPSSession -UserPrincipalName $admin

#input phishing domains below, separated by commas and quoted (10 domain maximum). E.g. "$domains = 'example.com','example2.com','example3.com', ..."
$domains = ''

New-PhishSimOverridePolicy -Name PhishSimOverridePolicy

New-PhishSimOverrideRule -Name PhishSimOverrideRule -Policy PhishSimOverridePolicy -Domains $domains -SenderIpRanges 64.191.166.196