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【CSharp】内存修改

作者:zgke / 发布于2014/7/29/ 420

先通过System.Diagnostics.Process类获取想要编辑的进程调用API


	[Flags]
	 public enum ProcessAccessType
	 {
	 PROCESS_TERMINATE = (0x0001),
	 PROCESS_CREATE_THREAD = (0x0002),
	 PROCESS_SET_SESSIONID = (0x0004),
	 PROCESS_VM_OPERATION = (0x0008),
	 PROCESS_VM_READ = (0x0010),
	 PROCESS_VM_WRITE = (0x0020),
	 PROCESS_DUP_HANDLE = (0x0040),
	 PROCESS_CREATE_PROCESS = (0x0080),
	 PROCESS_SET_QUOTA = (0x0100),
	 PROCESS_SET_INFORMATION = (0x0200),
	 PROCESS_QUERY_INFORMATION = (0x0400)
	 }
	 [DllImport("kernel32.dll")]
	 public static extern IntPtr OpenProcess(UInt32 dwDesiredAccess, Int32 bInheritHandle, UInt32 dwProcessId);
	 [DllImport("kernel32.dll")]
	 public static extern Int32 CloseHandle(IntPtr hObject);
	 [DllImport("kernel32.dll")]
	 public static extern Int32 ReadProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, [In, Out] byte[] buffer, UInt32 size, out IntPtr lpNumberOfBytesRead);
	 [DllImport("kernel32.dll")]
	 public static extern Int32 WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, [In, Out] byte[] buffer, UInt32 size, out IntPtr lpNumberOfBytesWritten);

	

	打开进程

	private IntPtr m_hProcess = IntPtr.Zero; //这个保存打开了个进程句柄

	 public void OpenProcess()
	 {
	 // m_hProcess = ProcessMemoryReaderApi.OpenProcess(ProcessMemoryReaderApi.PROCESS_VM_READ, 1, (uint)m_ReadProcess.Id);
	 ProcessMemoryReaderApi.ProcessAccessType access;
	 access = ProcessMemoryReaderApi.ProcessAccessType.PROCESS_VM_READ
	 | ProcessMemoryReaderApi.ProcessAccessType.PROCESS_VM_WRITE
	 | ProcessMemoryReaderApi.ProcessAccessType.PROCESS_VM_OPERATION;
	 m_hProcess = ProcessMemoryReaderApi.OpenProcess((uint)access, 1, (uint)m_ReadProcess.Id);
	 }

	m_ReadProcess.Id 进程的ID编号

	读取

	public byte[] ReadProcessMemory(IntPtr MemoryAddress, uint bytesToRead, out int bytesRead)
	 {
	 byte[] buffer = new byte[bytesToRead];

	 IntPtr ptrBytesRead;
	 ProcessMemoryReaderApi.ReadProcessMemory(m_hProcess, MemoryAddress, buffer, bytesToRead, out ptrBytesRead);

	 bytesRead = ptrBytesRead.ToInt32();

	 return buffer;
	 }

	IntPrt MemoryAddress 为要读取的内存地址

	uint bytesToRead 需要读的数量

	out int bytesRead 实际读出的数量

	写入

	 public void WriteProcessMemory(IntPtr MemoryAddress, byte[] bytesToWrite, out int bytesWritten)
	 {
	 IntPtr ptrBytesWritten;
	 ProcessMemoryReaderApi.WriteProcessMemory(m_hProcess, MemoryAddress, bytesToWrite, (uint)bytesToWrite.Length, out ptrBytesWritten);

	 bytesWritten = ptrBytesWritten.ToInt32();
	 }

	IntPrt MemoryAddress 为要读取的内存地址

	byte[] bytesToWrite 需要写入的数据

	out int bytesWritten 实际写入多少

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　内存修改　　修改内存　

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