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If you take a look at the following working code of a simple DLL injection:
//Open the target process with read , write and execute priviledges
Process = OpenProcess(PROCESS_CREATE_THREAD|PROCESS_QUERY_INFORMATION|PROCESS_VM_READ|PROCESS_VM_WRITE|PROCESS_VM_OPERATION, FALSE, ID);
//Get the address of LoadLibraryA
LoadLibrary = (LPVOID)GetProcAddress(GetModuleHandle("kernel32.dll"), "LoadLibraryA");
// Allocate space in the process for our DLL
Memory = (LPVOID)VirtualAllocEx(Process, NULL, strlen(dll)+1, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
// Write the string name of our DLL in the memory allocated
WriteProcessMemory(Process, (LPVOID)Memory, dll, strlen(dll)+1, NULL);
// Load our DLL
CreateRemoteThread(Process, NULL, NULL, (LPTHREAD_START_ROUTINE)LoadLibrary, (LPVOID)Memory, NULL, NULL);
//Let the program regain control of itself
CloseHandle(Process);
The thing confuses me is that GetProcAddress
returns the LoadLibraryA
fucntion address of the current process, how can you pass it as a parameter to CreateRemoteThread
and expect the target process to run it?
asked 57 secs ago
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