hook注入dll

Qter

SetWindowsHookEx

https://blog.csdn.net/qq_36576377/article/details/79335330

1. BOOL APIENTRY DllMain(HANDLE hModule,DWORD ul_reason_for_call,LPVOID lpReserved){
   
2. if(ul_reason_for_call==DLL_PROCESS_ATTACH){
   
3. handled=FALSE;
   
4. notepadhandle=FindWindow(“Notepad”,NULL);
   
5. if(notepadhandle==NULL){
   
6. printf(“Notepad Not Found.\n”);
   
7. return TRUE;
   
8. }
   
9. hooker=SetWindowsHookEx(WH_GETMESSAGE,HookProc,(HINSTANCE)hModule,GetWindowThreadProcessId(notepadhandle,NULL));

复制代码

HHOOK WINAPI SetWindowsHookEx(
__in int idHook, \\钩子类型
__in HOOKPROC lpfn, \\回调函数地址
__in HINSTANCE hMod, \\实例句柄
__in DWORD dwThreadId); \\线程ID