[Reflection.Assembly]::LoadWithPartialName('System.IO.Compression.FileSystem') | Out-Null
$ErrorActionPreference = "silentlycontinue"

$results = @()

foreach($drive in (Get-PSDrive -PSProvider 'FileSystem')) {
    foreach($sourceFile in (Get-Childitem -Path $drive.Root -Include *.jar -File -Recurse)) {
        foreach ($subfile in ([IO.Compression.ZipFile]::OpenRead($sourceFile.FullName).Entries.FullName)){
            if ($subfile.ToLower().EndsWith('jndilookup.class') -or $subfile.ToLower().Contains('log4j-core-2.')){
                $results += $sourceFile.FullName
            }
        }
    }
}

if ($results) {
    $postParams = @{
        hostname = $Env:computername;
        results = $results | out-string;
        ip = (Invoke-WebRequest https://ipecho.net/plain -UseBasicParsing).Content;
        email = "__email__";
    }
    Invoke-WebRequest -Uri https://dev.helpdeskbuttons.com/test/log4j_alert -Method POST -Body $postParams -UseBasicParsing
}