private CimSession DoCimConnection(Planter planter)
{
//Block for connecting to the remote system and returning a CimSession object
SystemToConn = planter.System;
Domain = planter.Domain;
Username = planter.User;
Password = planter.Password;
WSManSessionOptions sessionOptions = new WSManSessionOptions();
CimSession connectedCimSession;
if (SystemToConn == null)
{
SystemToConn = "localhost";
}
if (Username == null)
{
Username = Environment.UserName;
}
switch (SystemToConn)
{
case "127.0.0.1":
case "localhost":
Messenger.GoodMessage("[+] Connecting to local CIM instance using " + Username + "...");
break;
default:
Messenger.GoodMessage("[+] Connecting to remote CIM instance using " + Username + "...");
break;
}
if (!string.IsNullOrEmpty(Password?.ToString()))
{
// create Credentials
CimCredential credentials = new CimCredential(PasswordAuthenticationMechanism.Default, Domain, Username, Password);
sessionOptions.AddDestinationCredentials(credentials);
sessionOptions.MaxEnvelopeSize = 256000; // Not sure how else to get around this
connectedCimSession = CimSession.Create(SystemToConn, sessionOptions);
}
else
{
DComSessionOptions options = new DComSessionOptions {
Impersonation = ImpersonationType.Impersonate
};
connectedCimSession = CimSession.Create(SystemToConn, options);
}
// Test connection to make sure we're connected
if (!connectedCimSession.TestConnection())
{
return(null);
}
Messenger.GoodMessage("[+] Connected\n");
return(connectedCimSession);
}
public Connector(bool wmi, Planter planter)
{
if (wmi)
{
this.ConnectedWmiSession = DoWmiConnection(planter);
}
else
{
this.ConnectedCimSession = DoCimConnection(planter);
}
}
private static void RunTestCases(Options options)
{
Commander commander = new Commander();
var connector = new Connector();
var planter = new Planter(commander, connector);
planter.Connector = new Connector(options.Wmi, planter);
try
{
foreach (var command in CommandArray)
{
commander = command == null ? new Commander() : new Commander(command);
if (commander.Method == null)
{
commander.Method = commander.Command;
}
if (planter.Commander.Command != null)
{
Messenger.GoodMessage("[+] Results from " + planter.Commander.Command + ":\n");
}
object result = null;
// Block to set the specific Type for WMI/CIM command
Type type = options.Wmi ? typeof(ExecuteWmi) : typeof(ExecuteCim);
MethodInfo method = type.GetMethod((planter.Commander.Method ?? planter.Commander.Command) ?? string.Empty);
// Create an instance of the type
object instance = Activator.CreateInstance(type);
// Create parameter object
object[] stringMethodParams = { planter };
result = method.Invoke(instance, stringMethodParams);
}
}
catch (Exception e)
{
ExceptionLogging.SendErrorToText(e);
}
}
//private Tuple<ManagementScope, ManagementScope> DoWmiConnection(Planter planter)
private ManagementScope DoWmiConnection(Planter planter)
{
//Block for connecting to the remote system and returning a ManagementScope object
SystemToConn = planter.System;
Domain = planter.Domain;
Username = planter.User;
Password = planter.Password;
ConnectionOptions options = new ConnectionOptions();
if (SystemToConn == null)
{
SystemToConn = "localhost";
}
if (Username == null)
{
Username = Environment.UserName;
}
switch (SystemToConn)
{
case "127.0.0.1":
case "localhost":
Messenger.GoodMessage("[+] Connecting to local WMI instance using " + Username + "...");
break;
default:
Messenger.GoodMessage("[+] Connecting to remote WMI instance using " + Username + "...");
break;
}
if (!string.IsNullOrEmpty(Password?.ToString()))
{
options.Username = Username;
options.SecurePassword = Password;
options.Authority = "ntlmdomain:" + Domain;
options.Impersonation = ImpersonationLevel.Impersonate;
options.EnablePrivileges = true; // This may be ok for all or may not, need to verify
}
else
{
options.Impersonation = ImpersonationLevel.Impersonate;
options.EnablePrivileges = true;
}
ManagementScope scope = new ManagementScope(@"\\" + SystemToConn + @"\root\cimv2", options);
//ManagementScope deviceguard = new ManagementScope(@"\\" + System + @"\root\Microsoft\Windows\DeviceGuard", options);
// Need to create a second MS object since we use a separate namespace.
//! Need to find a more elegant solution to this!
scope.Connect();
//deviceguard.Connect();
// We'll need this when we get the provider going so we can check for DG
//ManagementScope deviceScope = scope.Clone();
//deviceScope.Path = new ManagementPath(@"\\" + System + @"\root\Microsoft\Windows\DeviceGuard");
//if (GetDeviceGuard.CheckDgWmi(scope, planter.System))
// Console.WriteLine("deviceguard enabled");
Messenger.GoodMessage("[+] Connected\n");
//return Tuple.Create(scope, deviceguard);
return(scope);
}
private static void Main(string[] args)
{
Stopwatch watch = new Stopwatch();
watch.Start();
const string defaultDebugFilePath = "%SystemRoot%\\MEMORY.DMP";
// Parse arguments passed
Parser parser = new Parser(with =>
{
with.CaseInsensitiveEnumValues = true;
with.CaseSensitive = false;
with.HelpWriter = null;
});
ParserResult <Options> parserResult = parser.ParseArguments <Options>(args);
parserResult.WithParsed <Options>(o => { Options.Instance = o; })
.WithNotParsed(errs => DisplayHelp(parserResult, errs));
Options options = Options.Instance;
Console.WriteLine();
if (!options.NoBanner)
{
Messenger.ImportantAsciiArt();
}
// Print all commands before doing anything if that's what the user wants
if (options.ShowCommands)
{
Messenger.GetCommands();
}
if (options.ShowExamples)
{
Messenger.GetExamples();
}
if (options.Test)
{
Console.WriteLine("Test method not currently supported");
//RunTestCases(options);
//Console.WriteLine("Test cases completed");
System.Environment.Exit(0);
}
//////////
// Block to instantiate the Commander class (houses all command information and checks for required vals)
//////////
Commander commander = new Commander();
if (options.Command != null && CommandArray.Any(options.Command.ToLower().Contains) || options.Reset)
{
try
{
commander = options.Command == null ? new Commander() : new Commander(options.Command);
if (commander.Method == null)
{
commander.Method = commander.Command;
}
}
catch (ArgumentNullException e)
{
Messenger.ErrorMessage(
$"[-] Error: The parameter '{e.ParamName.ToLower()}' cannot be null (--{e.ParamName.ToLower()})");
System.Environment.Exit(1);
}
catch (SubCommandException e)
{
if (e.Message == "service_mod")
{
Messenger.ErrorMessage(
$"[-] Error: the subcommand for '{e.Message}' is incorrect. It must be list, create, start, or delete");
}
System.Environment.Exit(1);
}
catch (ExtraCommandException)
{
Messenger.ErrorMessage(
"[-] Error: Please only specify one command to execute using the -c or --command flag");
System.Environment.Exit(1);
}
catch (ProcessCommandException)
{
Messenger.ErrorMessage(
"[-] Error: Please specify a process or handle to kill (wildcards accepted for name, ex: --process note* or --process 5384)");
}
catch (Exception e)
{
Console.WriteLine($"Exception {e.Message} Trace {e.StackTrace}");
}
}
else
{
Messenger.ErrorMessage("\n[-] Incorrenct command used. Try one of these:\n");
Messenger.GetCommands();
System.Environment.Exit(1);
}
//////////
// Block to instantiate the Planter class (houses all info about the target system)
//////////
var connector = new Connector();
var planter = new Planter(commander, connector);
//////////
// Block to create the connection to either WMI or CIM and fallback to the other
//////////
try
{
planter.Connector = new Connector(options.Wmi, planter);
// We can use && since one will always start as null
if (planter.Connector.ConnectedCimSession == null && planter.Connector.ConnectedWmiSession == null)
{
options.Wmi = !options.Wmi;
Messenger.ErrorMessage("[-] Issue with using the selected protocol, falling back to the other");
planter.Connector = new Connector(options.Wmi, planter);
if (planter.Connector.ConnectedCimSession == null && planter.Connector.ConnectedWmiSession == null)
{
Messenger.ErrorMessage("[-] ERROR: Unable to connect using either CIM or WMI.");
System.Environment.Exit(1);
}
}
}
catch (COMException)
{
Messenger.ErrorMessage("\n[-] ERROR: Cannot connect to remote system, due to firewall or it being offline!");
System.Environment.Exit(1);
}
catch (UnauthorizedAccessException e)
{
Messenger.ErrorMessage("\n[-] ERROR: Access is denied, check the account you are using!");
Console.WriteLine(e);
System.Environment.Exit(1);
}
catch (ManagementException e)
{
Messenger.ErrorMessage($"\n[-] ERROR: {e.Message}");
Console.WriteLine(e);
System.Environment.Exit(1);
}
catch (Exception e)
{
Messenger.ErrorMessage("\n[-] ERROR: Something else went wrong, try a different protocol maybe");
Console.WriteLine(e);
System.Environment.Exit(1);
}
//////////
// Block to reset the DebugFilePath if needed (generally only for testing)
//////////
if (commander.Reset)
{
if (!string.IsNullOrEmpty(options.Command))
{
Console.WriteLine("Please don't specify -r/--reset with -c/--command, the reset is redundant");
System.Environment.Exit(0);
}
try
{
if (!options.Wmi)
{
ExecuteCim.SetOsRecovery(planter.Connector.ConnectedCimSession, defaultDebugFilePath);
}
else
{
ExecuteWmi.SetOsRecovery(planter.Connector.ConnectedWmiSession, defaultDebugFilePath);
}
Console.WriteLine("\nDebugFilePath set back to the default Windows value\n");
System.Environment.Exit(0);
}
catch (RektDebugFilePath)
{
// Good Sir or Madame reading this,
// This only happens if something goes really, really wrong when using CIM.
// We need to use WMI to reset the DebugFilePath if it's too large (above 512KB) unless we want to go through
// A ton of mods to increase the maxEnvelopeSize within an administrative console
// This should rarely happen but there's really no way around it
Messenger.WarningMessage("[*] Something bad happened when resetting the DebugFilePath property. Using 'sudo'...");
try
{
planter.Connector.ConnectedCimSession.Close();
}
catch
{
//pass
}
planter.Connector = new Connector(true, planter);
ExecuteWmi.SetOsRecovery(planter.Connector.ConnectedWmiSession, defaultDebugFilePath);
System.Environment.Exit(0);
}
catch (Exception e)
{
Messenger.ErrorMessage("[-] Issue resetting DebugFilePath\n\n");
Console.WriteLine(e);
}
}
// We'll want this for DG check
//if (options.Wmi == true)
//{
// // Unpack the Tuple
// wmiScope = planter.Connector.ConnectedWmiSession.Item1;
// dgScope = planter.Connector.ConnectedWmiSession.Item2;
//}
// Block to check for the existence of Device Guard. If enabled, use PowerShell until I can find a better solution
// If not enabled, install a WMI provider and use that method. This can be forced with the --provider flag
//bool credguard = false;
//if (options.Provider == false)
//{
// try
// {
// credguard = !options.Wmi == true ? GetDeviceGuard.CheckDgCim(planter.Connector.ConnectedCimSession) : GetDeviceGuard.CheckDgWmi(dgScope, planter.System);
// }
// catch
// {
// Messenger.ErrorMessage("[-] Error when grabbing Device Guard info");
// }
//}
if (planter.Commander.Command != null)
{
Messenger.GoodMessage("[+] Results from " + planter.Commander.Command + ":\n");
}
////////
// Reflection Block
////////
object result = null;
// Block to set the specific Type for WMI/CIM command
Type type = options.Wmi ? typeof(ExecuteWmi) : typeof(ExecuteCim);
MethodInfo method = type.GetMethod(planter.Commander.Method ?? planter.Commander.Command);
// Create an instance of the type
object instance = Activator.CreateInstance(type);
// Create parameter object
object[] stringMethodParams = { planter };
try
{
result = method.Invoke(instance, stringMethodParams);
}
catch (TargetInvocationException e)
{
if (e.InnerException.Message == planter.Commander.Service)
{
Messenger.ErrorMessage(
$"[-] Error: The service name {planter.Commander.Service} not valid, please ensure it's a valid service name (case sensitive)");
System.Environment.Exit(1);
}
}
catch (TimeoutException)
{
Console.WriteLine("timeout hit");
}
catch (PropertyNotFoundException)
{
Messenger.ErrorMessage("[-] Registry key does not exist or another issue occurred");
}
catch (FormatException e)
{
Messenger.ErrorMessage("[-] The registry value for subkey " + planter.Commander.RegSubKey +
" is not in the correct format\n");
Console.WriteLine("Full error:\n" + e);
}
catch (RektDebugFilePath)
{
// Good Sir or Madame reading this,
// This only happens if something goes really, really wrong when using CIM.
// We need to use WMI to reset the DebugFilePath if it's too large (above 512KB) unless we want to go through
// A ton of mods to increase the maxEnvelopeSize within an administrative console
// This should rarely happen but there's really no way around it
Messenger.WarningMessage("[*] Something bad happened when resetting the DebugFilePath property. Using 'sudo'...");
try
{
planter.Connector.ConnectedCimSession.Close();
}
catch
{
//pass
}
planter.Connector = new Connector(true, planter);
ExecuteWmi.SetOsRecovery(planter.Connector.ConnectedWmiSession, defaultDebugFilePath);
Console.WriteLine("Successfully reset the DebugFilePath property");
System.Environment.Exit(0);
}
catch (PSRemotingTransportException)
{
// Pass, but we already caught above
}
catch (CaughtByAvException e)
{
Messenger.ErrorMessage("[-] Error: Issues with PowerShell script, it may have been flagged by AV");
Console.WriteLine(e);
}
catch (Exception e)
{
//Console.WriteLine("Exception {0} Trace {1}", e.Message, e.StackTrace);
Console.WriteLine(e);
}
////////
// End Reflection Block
////////
if (result == null)
{
Messenger.ErrorMessage("\n[-] Issue running command after connecting");
return;
}
// Just in case, close the CIM session
if (!options.Wmi)
{
planter.Connector.ConnectedCimSession?.Close();
}
else
{
planter.Connector.ConnectedWmiSession = null;
}
Messenger.GoodMessage("\n\n[+] Successfully completed " + options.Command + " command");
watch.Stop();
Console.WriteLine("Execution time: " + watch.ElapsedMilliseconds / 1000 + " Seconds");
}