近日拜读了罗云彬先生写的远程线程代码后，心里佩服不已。
就想自己也写一个练练，由于自己水平不高，在写的过程中遇到不小困难，小小的百来行代码写我一个多星期。
现在把代码贴出来请各位前来“挑挑刺”。
编译平台：Windows 2003,Visual c++ 2003。编译的时候要用Release，否则代码运行不了。下面符上代码，和符件（所有代码和程序）。
#include "win32.h"
#define MAX_SIZE 19
char * szData[MAX_SIZE] = {
"Kernel32.dll",
"LoadLibraryA",
"GetProcAddress",
"GetModuleHandleA",
"GDI32.dll",
"User32.dll",
"DestroyWindow",
"PostQuitMessage",
"DefWindowProcA",
"LoadCursorA",
"LoadIconA",
"RegisterClassExA",
"CreateWindowExA",
"ShowWindow",
"UpdateWindow",
"GetMessageA",
"TranslateMessage",
"DispatchMessageA",
"MessageBoxA"
};
int _WinMain(LPARAM);
ATOM _MyRegisterClass(HINSTANCE, LPARAM);
BOOL _InitInstance(HINSTANCE hInstance, int, LPARAM);
LRESULT __stdcall _WndProc(HWND, UINT, WPARAM, LPARAM);
DWORD WINAPI RemoteThread(LPARAM);
#pragma code_seg("CodeSeg2")
//导入函数地址表
__declspec(allocate("CodeSeg2"))DWORD lpLoadLibrary=0;
__declspec(allocate("CodeSeg2"))DWORD lpGetProcAddress=0;
__declspec(allocate("CodeSeg2"))DWORD lpGetModuleHandle=0;
__declspec(allocate("CodeSeg2"))DWORD lpDestroyWindow=0;
__declspec(allocate("CodeSeg2"))DWORD lpPostQuitMessage=0;
__declspec(allocate("CodeSeg2"))DWORD lpDefWindowProc=0;
__declspec(allocate("CodeSeg2"))DWORD lpLoadCursor=0;
__declspec(allocate("CodeSeg2"))DWORD lpLoadIcon=0;
__declspec(allocate("CodeSeg2"))DWORD lpRegisterClassEx=0;
__declspec(allocate("CodeSeg2"))DWORD lpCreateWindowEx=0;
__declspec(allocate("CodeSeg2"))DWORD lpShowWindow=0;
__declspec(allocate("CodeSeg2"))DWORD lpUpdateWindow=0;
__declspec(allocate("CodeSeg2"))DWORD lpGetMessage=0;
__declspec(allocate("CodeSeg2"))DWORD lpTranslateMessage=0;
__declspec(allocate("CodeSeg2"))DWORD lpDispatchMessage=0;
__declspec(allocate("CodeSeg2"))DWORD lpMessageBox=0;
//全局变量:
__declspec(allocate("CodeSeg2"))DWORD _hInstance=0;
__declspec(allocate("CodeSeg2"))DWORD _hWinMain=0;
//字符串表
__declspec(allocate("CodeSeg2"))char _szClassName[]="RemoteClass";
__declspec(allocate("CodeSeg2"))char _szCaptionMain[]="RemoteWindow";
LRESULT __stdcall _WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
DWORD lOffset;
__asm{
push edx
call lab
lab:
pop edx
sub edx, lab
mov lOffset, edx
pop edx
}
switch (message)
{
case WM_DESTROY:
ReloCationForLP(lpPostQuitMessage,lOffset)(0);
break;
default:
return ReloCationForLP(lpDefWindowProc,lOffset)(hWnd, message, wParam, lParam);
}
return 0;
}
DWORD WINAPI RemoteThread(LPARAM lParam){
ReloCationForDWORD(_hInstance,lParam) = DWORD(ReloCationForLP(lpGetModuleHandle,lParam)(NULL));
_WinMain(lParam);
return 0;
}
int _WinMain(LPARAM lParam){
HINSTANCE hInstance = HINSTANCE(ReloCationForDWORD(_hInstance, lParam));
MSG Message;
_MyRegisterClass(hInstance, lParam);
if(!_InitInstance(hInstance, SW_SHOWNORMAL, lParam))
return FALSE;
while(ReloCationForLP(lpGetMessage, lParam)(&Message,0,0,0)){
ReloCationForLP(lpTranslateMessage, lParam)(&Message);
ReloCationForLP(lpDispatchMessage, lParam)(&Message);
}
return int(Message.wParam);
}
ATOM _MyRegisterClass(HINSTANCE hInstance, LPARAM lParam)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WNDPROC(DWORD(&_WndProc) + DWORD(lParam));
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = ReloCationForLP(lpLoadIcon, lParam)(NULL, IDC_ICON);
wcex.hCursor = ReloCationForLP(lpLoadCursor, lParam)(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = 0;
wcex.lpszClassName = ReloCataonForTCHAR(_szClassName, lParam);
wcex.hIconSm = ReloCationForLP(lpLoadIcon, lParam)(NULL, IDC_ICON);
return ReloCationForLP(lpRegisterClassEx,lParam)(&wcex);
}
BOOL _InitInstance(HINSTANCE hInstance, int nCmdShow, LPARAM lParam)
{
HWND hWnd;
hWnd = ReloCationForLP(lpCreateWindowEx,lParam)(WS_EX_CLIENTEDGE, ReloCataonForTCHAR(_szClassName, lParam),
ReloCataonForTCHAR(_szCaptionMain, lParam), WS_OVERLAPPEDWINDOW,
100, 100, 600, 400, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
ReloCationForLP(lpShowWindow,lParam)(hWnd, nCmdShow);
ReloCationForLP(lpUpdateWindow,lParam)(hWnd);
return TRUE;
}
#pragma code_seg()
// win32.cpp : 定义应用程序的入口点。
//
int __stdcall Enter()
{
DWORD dwProcessID;
HANDLE hProcess, hThread;
LPVOID lpBaseAddress; //远程线程基址
LPTHREAD_START_ROUTINE lpStartAddress; //远程线程入口地址
HMODULE hModule = 0;
DWORD hMod = DWORD(GetModuleHandle(NULL));
PIMAGE_DOS_HEADER pDosHdr = (PIMAGE_DOS_HEADER)hMod;
PIMAGE_NT_HEADERS pNtHdr = (PIMAGE_NT_HEADERS)(hMod + pDosHdr->e_lfanew );
PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION( pNtHdr );
for (unsigned i = 0;i < pNtHdr->FileHeader.NumberOfSections;i++, pSection++ )
if (!strncmp("CodeSeg2",(char *)(pSection->Name),8)) break;
LPDWORD lpData = LPDWORD(&lpLoadLibrary);
for(int i = 0; i < MAX_SIZE; i ++){
*lpData = (DWORD)GetProcAddress(hModule, szData[i]);
if (*lpData) lpData ++;
else hModule = GetModuleHandle(szData[i]);
}
GetWindowThreadProcessId(FindWindow(TEXT("Progman"),TEXT("Program Manager")), &dwProcessID);
hProcess = OpenProcess(PROCESS_CREATE_THREAD | PROCESS_VM_OPERATION | PROCESS_VM_WRITE, FALSE, dwProcessID);
if(hProcess){
lpBaseAddress = VirtualAllocEx(hProcess, NULL, pSection->SizeOfRawData, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if(lpBaseAddress){
lpStartAddress = LPTHREAD_START_ROUTINE(DWORD(lpBaseAddress) + DWORD(RemoteThread) - DWORD(&lpLoadLibrary));
WriteProcessMemory(hProcess, lpBaseAddress, LPVOID(&lpLoadLibrary), pSection->SizeOfRawData, NULL);
hThread = CreateRemoteThread(hProcess, NULL, 0, lpStartAddress, LPVOID(DWORD(lpBaseAddress) - DWORD(&lpLoadLibrary)), 0, NULL);
// WaitForSingleObject(hThread,INFINITE);
// VirtualFreeEx(hProcess, lpBaseAddress, 0, MEM_RELEASE);
CloseHandle(hThread);
}
CloseHandle(hProcess);
}
else{
MessageBox(NULL, TEXT("无法打开进程！"), TEXT("错误"), 0);
}
return 0;
}
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