加载一个EXE文件并从内存中运行
我试图从内存中运行一个可执行文件,如本文所述。 我可以很容易地运行任何.net /pipe理exes。 但是我不能运行诸如notepad.exe
或calc.exe
可执行文件。 我怎样才能得到它,所以我也可以运行非托pipeexes?
在从内存中运行.NET可执行文件的情况下,库和CLR本身为您做了很多繁重的工作。 对于像notepad.exe和calc.exe这样的本机可执行文件,你需要做大量的手动工作才能实现。 基本上,你必须像Windows加载程序。
这里可能有一些警告,但这篇深入的文章有你需要将PE加载到内存中并执行正确的重新装订和修正的步骤。 然后,你应该能够find入口点(如在文章中)并运行它。
如果你真的只想运行notepad.exe和calc.exe,最简单的方法就是使用Process.Start
并从磁盘上运行它们。 否则,如果你的进程中有一个作为资源embedded的可执行文件,那么下一个最简单的方法就是把内容写到磁盘的临时位置(参见Path.GetTempFileName
),然后从那里执行。
我不确定,但从这个线程的下面的代码可能会有所帮助:
using System; using System.Runtime.InteropServices; /* * Title: CMemoryExecute.cs * Description: Runs an EXE in memory using native WinAPI. Very optimized and tiny. * * Developed by: affixiate * Release date: December 10, 2010 * Released on: http://opensc.ws * Credits: * MSDN (http://msdn.microsoft.com) * NtInternals (http://undocumented.ntinternals.net) * Pinvoke (http://pinvoke.net) * * Comments: If you use this code, I require you to give me credits. Don't be a ripper! ;] */ // ReSharper disable InconsistentNaming public static unsafe class CMemoryExecute { public struct STARTUPINFO { public uint cb; public string lpReserved; public string lpDesktop; public string lpTitle; public uint dwX; public uint dwY; public uint dwXSize; public uint dwYSize; public uint dwXCountChars; public uint dwYCountChars; public uint dwFillAttribute; public uint dwFlags; public short wShowWindow; public short cbReserved2; public IntPtr lpReserved2; public IntPtr hStdInput; public IntPtr hStdOutput; public IntPtr hStdError; } /// <summary> /// Runs an EXE (which is loaded in a byte array) in memory. /// </summary> /// <param name="exeBuffer">The EXE buffer.</param> /// <param name="hostProcess">Full path of the host process to run the buffer in.</param> /// <param name="optionalArguments">Optional command line arguments.</param> /// <returns></returns> public static bool Run(byte[] exeBuffer, string hostProcess, string optionalArguments = "") { // STARTUPINFO STARTUPINFO StartupInfo = new STARTUPINFO(); StartupInfo.dwFlags = STARTF_USESTDHANDLES|STARTF_USESHOWWINDOW; StartupInfo.wShowWindow = SW_HIDE; var IMAGE_SECTION_HEADER = new byte[0x28]; // pish var IMAGE_NT_HEADERS = new byte[0xf8]; // pinh var IMAGE_DOS_HEADER = new byte[0x40]; // pidh var PROCESS_INFO = new int[0x4]; // pi var CONTEXT = new byte[0x2cc]; // ctx byte* pish; fixed (byte* p = &IMAGE_SECTION_HEADER[0]) pish = p; byte* pinh; fixed (byte* p = &IMAGE_NT_HEADERS[0]) pinh = p; byte* pidh; fixed (byte* p = &IMAGE_DOS_HEADER[0]) pidh = p; byte* ctx; fixed (byte* p = &CONTEXT[0]) ctx = p; // Set the flag. *(uint*)(ctx + 0x0 /* ContextFlags */) = CONTEXT_FULL; // Get the DOS header of the EXE. Buffer.BlockCopy(exeBuffer, 0, IMAGE_DOS_HEADER, 0, IMAGE_DOS_HEADER.Length); /* Sanity check: See if we have MZ header. */ if (*(ushort*)(pidh + 0x0 /* e_magic */) != IMAGE_DOS_SIGNATURE) return false; var e_lfanew = *(int*)(pidh + 0x3c); // Get the NT header of the EXE. Buffer.BlockCopy(exeBuffer, e_lfanew, IMAGE_NT_HEADERS, 0, IMAGE_NT_HEADERS.Length); /* Sanity check: See if we have PE00 header. */ if (*(uint*)(pinh + 0x0 /* Signature */) != IMAGE_NT_SIGNATURE) return false; // Run with parameters if necessary. if (!string.IsNullOrEmpty(optionalArguments)) hostProcess += " " + optionalArguments; if (!CreateProcess(null, hostProcess, IntPtr.Zero, IntPtr.Zero, false, CREATE_SUSPENDED, IntPtr.Zero, null, ref StartupInfo, PROCESS_INFO)) return false; var ImageBase = new IntPtr(*(int*)(pinh + 0x34)); NtUnmapViewOfSection((IntPtr)PROCESS_INFO[0] /* pi.hProcess */, ImageBase); if (VirtualAllocEx((IntPtr)PROCESS_INFO[0] /* pi.hProcess */, ImageBase, *(uint*)(pinh + 0x50 /* SizeOfImage */), MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE) == IntPtr.Zero) Run(exeBuffer, hostProcess, optionalArguments); // Memory allocation failed; try again (this can happen in low memory situations) fixed (byte* p = &exeBuffer[0]) NtWriteVirtualMemory((IntPtr)PROCESS_INFO[0] /* pi.hProcess */, ImageBase, (IntPtr)p, *(uint*)(pinh + 84 /* SizeOfHeaders */), IntPtr.Zero); for (ushort i = 0; i < *(ushort*)(pinh + 0x6 /* NumberOfSections */); i++) { Buffer.BlockCopy(exeBuffer, e_lfanew + IMAGE_NT_HEADERS.Length + (IMAGE_SECTION_HEADER.Length * i), IMAGE_SECTION_HEADER, 0, IMAGE_SECTION_HEADER.Length); fixed (byte* p = &exeBuffer[*(uint*)(pish + 0x14 /* PointerToRawData */)]) NtWriteVirtualMemory((IntPtr)PROCESS_INFO[0] /* pi.hProcess */, (IntPtr)((int)ImageBase + *(uint*)(pish + 0xc /* VirtualAddress */)), (IntPtr)p, *(uint*)(pish + 0x10 /* SizeOfRawData */), IntPtr.Zero); } NtGetContextThread((IntPtr)PROCESS_INFO[1] /* pi.hThread */, (IntPtr)ctx); NtWriteVirtualMemory((IntPtr)PROCESS_INFO[0] /* pi.hProcess */, (IntPtr)(*(uint*)(ctx + 0xAC /* ecx */)), ImageBase, 0x4, IntPtr.Zero); *(uint*)(ctx + 0xB0 /* eax */) = (uint)ImageBase + *(uint*)(pinh + 0x28 /* AddressOfEntryPoint */); NtSetContextThread((IntPtr)PROCESS_INFO[1] /* pi.hThread */, (IntPtr)ctx); NtResumeThread((IntPtr)PROCESS_INFO[1] /* pi.hThread */, IntPtr.Zero); return true; } #region WinNT Definitions private const uint CONTEXT_FULL = 0x10007; private const int CREATE_SUSPENDED = 0x4; private const int MEM_COMMIT = 0x1000; private const int MEM_RESERVE = 0x2000; private const int PAGE_EXECUTE_READWRITE = 0x40; private const ushort IMAGE_DOS_SIGNATURE = 0x5A4D; // MZ private const uint IMAGE_NT_SIGNATURE = 0x00004550; // PE00 private static short SW_SHOW = 5; private static short SW_HIDE = 0; private const uint STARTF_USESTDHANDLES = 0x00000100; private const uint STARTF_USESHOWWINDOW = 0x00000001; #region WinAPI [DllImport("kernel32.dll", SetLastError = true)] private static extern bool CreateProcess(string lpApplicationName, string lpCommandLine, IntPtr lpProcessAttributes, IntPtr lpThreadAttributes, bool bInheritHandles, uint dwCreationFlags, IntPtr lpEnvironment, string lpCurrentDirectory, ref STARTUPINFO lpStartupInfo, int[] lpProcessInfo); [DllImport("kernel32.dll", SetLastError = true)] private static extern IntPtr VirtualAllocEx(IntPtr hProcess, IntPtr lpAddress, uint dwSize, uint flAllocationType, uint flProtect); [DllImport("ntdll.dll", SetLastError = true)] private static extern uint NtUnmapViewOfSection(IntPtr hProcess, IntPtr lpBaseAddress); [DllImport("ntdll.dll", SetLastError = true)] private static extern int NtWriteVirtualMemory(IntPtr hProcess, IntPtr lpBaseAddress, IntPtr lpBuffer, uint nSize, IntPtr lpNumberOfBytesWritten); [DllImport("ntdll.dll", SetLastError = true)] private static extern int NtGetContextThread(IntPtr hThread, IntPtr lpContext); [DllImport("ntdll.dll", SetLastError = true)] private static extern int NtSetContextThread(IntPtr hThread, IntPtr lpContext); [DllImport("ntdll.dll", SetLastError = true)] private static extern uint NtResumeThread(IntPtr hThread, IntPtr SuspendCount); #endregion #endregion }
如果你正在寻找使用C#运行的Exe文件,那么这个链接提供了一个很好的解释,一个简单但容易遵循的例子就是如何使用Process
和Process.Start
。
简而言之,你可以做一个
Process.Start("notepad.exe")
运行非托pipe的exe /应用程序。
如果这不起作用,请提供应用程序的完整path
Process.Start(@"c:\windows\system32\notepad.exe")
(我只是假设notepad.exe
存在于该文件夹,但你明白了。
使用[Process.Start()][1]
(或另一个重载),并让O / S进行内存加载。