Lot of work and added MS Detours

src/Memory/Memory.cpp

@@ -0,0 +1,131 @@
+///
+/// Created by Anonymous275 on 1/21/22
+/// Copyright (c) 2021-present Anonymous275 read the LICENSE file for more info.
+///
+
+#define WIN32_LEAN_AND_MEAN
+#undef UNICODE
+#include <string>
+#include <windows.h>
+#include <tlhelp32.h>
+#include <psapi.h>
+#include "Memory/Memory.h"
+#include "Memory/BeamNG.h"
+
+uint32_t Memory::GetBeamNGPID() {
+    SetLastError(0);
+    PROCESSENTRY32 pe32;
+    pe32.dwSize = sizeof(PROCESSENTRY32);
+    HANDLE Snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+
+    if(Process32First(Snapshot, &pe32)) {
+        do{
+            if(std::string("BeamNG.drive.x64.exe") == pe32.szExeFile)break;
+        }while(Process32Next(Snapshot, &pe32));
+    }
+
+    if(Snapshot != INVALID_HANDLE_VALUE) {
+        CloseHandle(Snapshot);
+    }
+
+    if(GetLastError() != 0)return 0;
+    return pe32.th32ProcessID;
+}
+
+uint64_t Memory::GetModuleBase(const char* Name) {
+    return (uint64_t)GetModuleHandleA(Name);
+}
+
+uint32_t Memory::GetPID() {
+    return GetCurrentProcessId();
+}
+
+uint64_t Memory::FindByPattern(const char* module, const char* Pattern, const char* Mask) {
+    MODULEINFO mInfo{nullptr};
+    GetModuleInformation(GetCurrentProcess(), GetModuleHandleA(module), &mInfo, sizeof(MODULEINFO));
+    auto base = uint64_t(mInfo.lpBaseOfDll);
+    auto size = uint32_t(mInfo.SizeOfImage);
+    auto len = strlen(Mask);
+
+    for(auto i = 0; i < size - len; i++) {
+        bool found = true;
+        for(auto j = 0; j < len && found; j++) {
+            found &= Mask[j] == '?' || Pattern[j] == *(char*)(base+i+j);
+        }
+        if(found) {
+            return base+i;
+        }
+    }
+
+    return 0;
+}
+
+
+void* operator new(size_t size) {
+    return GlobalAlloc(GPTR, size);
+}
+
+void* operator new[](size_t size) {
+    return GlobalAlloc(GPTR, size);
+}
+
+void operator delete(void* p) noexcept {
+    GlobalFree(p);
+}
+
+void operator delete[](void* p) noexcept {
+    GlobalFree(p);
+}
+
+typedef struct BASE_RELOCATION_ENTRY {
+    USHORT Offset : 12;
+    USHORT Type : 4;
+} BASE_RELOCATION_ENTRY, *PBASE_RELOCATION_ENTRY;
+
+void Memory::Inject(uint32_t PID) {
+    PVOID imageBase = GetModuleHandle(nullptr);
+    auto dosHeader = (PIMAGE_DOS_HEADER)imageBase;
+    auto ntHeader = (PIMAGE_NT_HEADERS)((DWORD_PTR)imageBase + dosHeader->e_lfanew);
+
+    PVOID localImage = VirtualAlloc(nullptr, ntHeader->OptionalHeader.SizeOfImage, MEM_COMMIT, PAGE_READWRITE);
+    memcpy(localImage, imageBase, ntHeader->OptionalHeader.SizeOfImage);
+
+    HANDLE targetProcess = OpenProcess(MAXIMUM_ALLOWED, FALSE, PID);
+    PVOID targetImage = VirtualAllocEx(targetProcess, nullptr, ntHeader->OptionalHeader.SizeOfImage, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
+
+    DWORD_PTR deltaImageBase = DWORD_PTR(targetImage) - DWORD_PTR(imageBase);
+
+    auto relocationTable = (PIMAGE_BASE_RELOCATION)((DWORD_PTR)localImage + ntHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress);
+    PDWORD_PTR patchedAddress;
+    while (relocationTable->SizeOfBlock > 0){
+        DWORD relocationEntriesCount = (relocationTable->SizeOfBlock - sizeof(IMAGE_BASE_RELOCATION)) / sizeof(USHORT);
+        auto relocationRVA = (PBASE_RELOCATION_ENTRY)(relocationTable + 1);
+        for (uint32_t i = 0; i < relocationEntriesCount; i++){
+            if (relocationRVA[i].Offset){
+                patchedAddress = PDWORD_PTR(DWORD_PTR(localImage) + relocationTable->VirtualAddress + relocationRVA[i].Offset);
+                *patchedAddress += deltaImageBase;
+            }
+        }
+        relocationTable = PIMAGE_BASE_RELOCATION(DWORD_PTR(relocationTable) + relocationTable->SizeOfBlock);
+    }
+    WriteProcessMemory(targetProcess, targetImage, localImage, ntHeader->OptionalHeader.SizeOfImage, nullptr);
+    CreateRemoteThread(targetProcess,nullptr,0,(LPTHREAD_START_ROUTINE)((DWORD_PTR)EntryPoint + deltaImageBase),nullptr,0,nullptr);
+    CloseHandle(targetProcess);
+}
+
+void Memory::Print(const std::string& msg) {
+    HANDLE stdOut = GetStdHandle(STD_OUTPUT_HANDLE);
+    if (stdOut != nullptr && stdOut != INVALID_HANDLE_VALUE) {
+        DWORD written = 0;
+        WriteConsoleA(stdOut, "[BeamMP] ", 9, &written, nullptr);
+        WriteConsoleA(stdOut, msg.c_str(), DWORD(msg.size()), &written, nullptr);
+        WriteConsoleA(stdOut, "\n", 1, &written, nullptr);
+    }
+}
+
+uint32_t Memory::EntryPoint() {
+    AllocConsole();
+    SetConsoleTitleA("BeamMP Console");
+    BeamNG::EntryPoint();
+    return 0;
+}