Testing Active Directory Credentials in PowerShell

First, let’s see what the C# process looks like as we can continue to use that as our base within PowerShell. System.DirectoryServices.AccountManagement Within the world of Microsoft and C# there is a method called ValidateCredentials(). This can be used to validate a users username and password without signing in. It basically asks the Active Directory Domain Controller if the credentials are valid with a true \ false response. Let’s take a look. using System; using System.DirectoryServices.AccountManagement; using System.Text; class Program { static void Main(string[] args) { Console.OutputEncoding = Encoding.UTF8; Console.WriteLine($"Current Identity: {System.Security.Principal.WindowsIdentity.GetCurrent().Name}"); string defaultDomain = Environment.UserDomainName; string defaultUsername = Environment.UserName; Console.Write($"Domain [{defaultDomain}]: "); string domainInput = Console.ReadLine(); string domain = string.IsNullOrWhiteSpace(domainInput) ? defaultDomain : domainInput;…

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