public static List <string> GetLocalAdministratorsNames()
{
List <string> admins = new List <string>();
DirectoryEntry localMachine = new DirectoryEntry("WinNT://" + Environment.MachineName);
string adminsSID = new SecurityIdentifier(WellKnownSidType.BuiltinAdministratorsSid, null).ToString();
string localizedAdmin = new SecurityIdentifier(adminsSID).Translate(typeof(NTAccount)).ToString();
localizedAdmin = localizedAdmin.Replace(@"BUILTIN\", "");
DirectoryEntry admGroup = localMachine.Children.Find(localizedAdmin, "group");
object adminmembers = admGroup.Invoke("members", null);
//DirectoryEntry userGroup = localMachine.Children.Find("users", "group");
///object usermembers = userGroup.Invoke("members", null);
//Retrieve each user name.
foreach (object groupMember in (IEnumerable)adminmembers)
{
DirectoryEntry member = new DirectoryEntry(groupMember);
string sidAsText = member.Path; /* GetTextualSID(member); */
admins.Add(member.Name);
}
return(admins);
}
/// <summary>
/// Gets the name of the localized system admin account.
/// </summary>
/// <returns>System.String.</returns>
public static string GetLocalizedSystemAccountName()
{
string sid = new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null).ToString();
string localizedsid = new SecurityIdentifier(sid).Translate(typeof(NTAccount)).ToString();
return(localizedsid.Replace(@"BUILTIN\", "").Replace("AUTORITE NT", ""));
}
public bool IsAdministratorsAccountName(string user, string machine)
{
//http://www.seirer.net/blog/2013/9/12/how-to-deal-with-localized-or-renamed-administrators-in-net
DirectoryEntry localMachine = new DirectoryEntry($"WinNT://{machine}");
string adminsSID = new SecurityIdentifier(WellKnownSidType.BuiltinAdministratorsSid, null).ToString();
string localizedAdmin = new SecurityIdentifier(adminsSID).Translate(typeof(NTAccount)).ToString();
localizedAdmin = localizedAdmin.Replace(@"BUILTIN\", "");
DirectoryEntry admGroup = localMachine.Children.Find(localizedAdmin, "group");
var adminmembers = (IEnumerable)admGroup.Invoke("members", null);
var regex = new Regex(user.Replace("\\", "/"), RegexOptions.IgnoreCase);
//Retrieve each user name.
foreach (object groupMember in adminmembers)
{
DirectoryEntry member = new DirectoryEntry(groupMember);
string sidAsText = member.Path ?? member.Username ?? member.Name;
if (regex.IsMatch(sidAsText))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Gets the name of the localized administrators groups account.
/// </summary>
/// <returns>System.String.</returns>
public static string GetLocalizedAdministratorsGroupsAccountName()
{
string adminsSid = new SecurityIdentifier("S-1-5-32-544").ToString();
string localizedAdmin = new SecurityIdentifier(adminsSid).Translate(typeof(NTAccount)).ToString();
localizedAdmin = localizedAdmin.Replace(@"BUILTIN\", "");
return(localizedAdmin);
}
