远程线程注入技术

#include <stdio.h>
#include <windows.h>
#include <tlhelp32.h>
#include <stdlib.h>
#include <string.h>

int main()
{
	PROCESSENTRY32 pe32 = {0};
	pe32.dwSize = sizeof(PROCESSENTRY32);
	HANDLE hProcess = 0;
	DWORD dwExitCode = 0;
	BOOLEAN bEnabled;

	HANDLE hProessSnap = ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
	if (hProessSnap != INVALID_HANDLE_VALUE)
	{
		if (::Process32First(hProessSnap, &pe32))
		{
			do
			{
				if ( strcmp(pe32.szExeFile, TEXT("StudentMain.exe")) == 0)
				{
					hProcess = ::OpenProcess(PROCESS_VM_OPERATION|PROCESS_VM_WRITE|PROCESS_VM_READ|PROCESS_CREATE_THREAD, FALSE, pe32.th32ProcessID);
					CloseHandle(hProessSnap);
					break;	
				}
			}while(::Process32Next(hProessSnap, &pe32));
		}	
	}

	LPVOID Param = VirtualAllocEx(hProcess, NULL, sizeof(DWORD), MEM_COMMIT, PAGE_EXECUTE_READWRITE);
	WriteProcessMemory(hProcess, Param, (LPVOID)&dwExitCode, sizeof(DWORD), NULL);

	HANDLE hThread = CreateRemoteThread(hProcess, 
		NULL, 
		NULL, 
		(LPTHREAD_START_ROUTINE)ExitProcess,
		Param, 
		NULL, 
		NULL);
	return 0;
}