mirror of https://github.com/r4sas/ExtraMirror
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719 lines
22 KiB
719 lines
22 KiB
#include "main.h" |
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#include <Windows.h> |
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#include <StrSafe.h> |
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#include <Shlwapi.h> |
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#include <iostream> |
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#include <fstream> |
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#include <iomanip> |
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#include <stdlib.h> |
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#include <cstdint> |
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#include <string> |
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#include <sstream> |
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#include <memory> |
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|
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extern cvar_t *steamid_r; |
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extern cvar_t *logsfiles; |
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TCHAR g_settingsFileName[MAX_PATH]; |
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typedef void *HOOKSERVERMSG(const char *pszMsgName, void *pfnCallback); |
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void(*g_pfnCL_ParseConsistencyInfo)(); |
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FILE *g_pFile; |
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extern int g_anticheckfiles; |
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extern char *g_anticheckfiles2[2048]; |
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DWORD Original_ExecuteString; |
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|
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bool ParseListx(const char *str) { |
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for (DWORD i = 0; i < g_anticheckfiles; i++) { |
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if (!_stricmp(str, g_anticheckfiles2[i])) { |
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return true; |
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} |
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} |
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return false; |
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} |
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|
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const char *StrStr_Hooked(char *str1, char *str2) { |
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if (ParseListx(str1)) { |
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if (logsfiles->value > 0) { |
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ConsolePrintColor(0, 255, 0, "[ADetect] Hide file - "); |
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ConsolePrintColor(205, 133, 63, _strdup(str1)); |
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ConsolePrintColor(255, 255, 255, "\n"); |
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} |
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*(char *)&str1[strlen(str1) - 1] = -1; |
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} |
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else { |
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if (logsfiles->value > 0) { |
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ConsolePrintColor(205, 133, 63, _strdup(str1)); |
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ConsolePrintColor(255, 255, 255, "\n"); |
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} |
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} |
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return strstr(str1, str2); |
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} |
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|
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void CL_ParseConsistencyInfo() { |
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if (logsfiles->value > 0){ |
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ConsolePrintColor(255, 255, 255, "[Extra Mirror] Start CheckFileList:"); |
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ConsolePrintColor(255, 255, 255, "\n"); |
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} |
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(*g_pfnCL_ParseConsistencyInfo)(); |
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if (logsfiles->value > 0){ |
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ConsolePrintColor(255, 255, 255, "[Extra Mirror] End CheckFileList"); |
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ConsolePrintColor(255, 255, 255, "\n"); |
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} |
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} |
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#pragma comment(lib, "Shlwapi.lib") |
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cl_clientfunc_t *g_pClient = nullptr; |
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cl_enginefunc_t *g_pEngine = nullptr; |
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engine_studio_api_t *g_pStudio = nullptr; |
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|
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cl_clientfunc_t g_Client; |
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cl_enginefunc_t g_Engine; |
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engine_studio_api_t g_Studio; |
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|
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PUserMsg pUserMsgBase; |
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PEngineMsg pEngineMsgBase; |
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PEventMsg pEventMsgBase; |
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PColor24 Console_TextColor; |
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SCREENINFO g_Screen; |
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|
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BYTE bPreType = 0; |
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|
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ofstream logfile; |
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char* BaseDir; |
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|
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DWORD WINAPI CheatEntry( LPVOID lpThreadParameter ); |
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void ModuleLoaded(); |
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DWORD WINAPI ProcessReload( LPVOID lpThreadParameter ) |
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{ |
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while ( true ) |
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{ |
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if ( FirstFrame ) |
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{ |
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offset.GetRenderType(); |
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|
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if ( !offset.GetModuleInfo() ) |
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FirstFrame = false; |
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} |
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else |
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{ |
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CreateThread( 0 , 0 , CheatEntry , 0 , 0 , 0 ); |
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ModuleLoaded(); |
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} |
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|
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Sleep( 100 ); |
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} |
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|
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return 0; |
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} |
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string szDirFile2(char* pszName){ |
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string szRet = BaseDir; |
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return (szRet + pszName); |
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} |
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|
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void HexReplaceInLibrary(std::string libraryPath, std::string hexSearch, std::string hexReplace) { |
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auto libraryAddress = GetModuleHandleA(libraryPath.c_str()); |
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auto dosHeader = (IMAGE_DOS_HEADER *)libraryAddress; |
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auto peHeader = (IMAGE_NT_HEADERS *)((uintptr_t)libraryAddress + (uintptr_t)dosHeader->e_lfanew); |
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auto HexDigitToNum = [](char hexDigit) -> int { return ('0' <= hexDigit && hexDigit <= '9') ? (hexDigit - '0') : ((hexDigit - 'A') + 10); }; |
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auto searchSize = hexSearch.length() / 2; |
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|
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auto search = std::make_unique<byte[]>(searchSize); |
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for (size_t i = 0; i < searchSize; i++) { |
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search[i] = ((byte)HexDigitToNum(hexSearch[2 * i]) << 4) | ((byte)HexDigitToNum(hexSearch[2 * i + 1])); |
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} |
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auto replace = std::make_unique<byte[]>(searchSize); |
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for (size_t i = 0; i < searchSize; i++) { |
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replace[i] = ((byte)HexDigitToNum(hexReplace[2 * i]) << 4) | ((byte)HexDigitToNum(hexReplace[2 * i + 1])); |
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} |
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auto codeBase = (uintptr_t)libraryAddress + peHeader->OptionalHeader.BaseOfCode; |
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auto codeSize = peHeader->OptionalHeader.SizeOfCode; |
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auto codeEnd = codeBase + codeSize; |
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auto codeSearchEnd = codeEnd - searchSize + 1; |
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|
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for (auto codePtr = codeBase; codePtr < codeSearchEnd; codePtr++) { |
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if (memcmp((const void *)codePtr, search.get(), searchSize) == 0) { |
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DWORD oldProt; |
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VirtualProtect((LPVOID)codePtr, searchSize, PAGE_EXECUTE_READWRITE, &oldProt); |
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memcpy((void *)codePtr, replace.get(), searchSize); |
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// wanna nullptr here |
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VirtualProtect((LPVOID)codePtr, searchSize, oldProt, &oldProt); |
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} |
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} |
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} |
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DWORD WINAPI CheatEntry( LPVOID lpThreadParameter ) |
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{ |
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static HANDLE hProcessReloadThread = 0; |
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|
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if ( hProcessReloadThread ) |
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{ |
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TerminateThread( hProcessReloadThread , 0 ); |
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CloseHandle( hProcessReloadThread ); |
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} |
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BYTE counter_find = 0; |
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start_hook: |
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|
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if ( counter_find == 100 ) |
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{ |
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offset.Error(ERROR_FIND); |
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} |
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Sleep( 100 ); |
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counter_find++; |
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|
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if ( !offset.GetModuleInfo() ) |
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{ |
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goto start_hook; |
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} |
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DWORD ClientTable = offset.FindClientTable(); |
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|
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if ( ClientTable ) |
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{ |
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g_pClient = (cl_clientfunc_t*)ClientTable; |
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offset.CopyClient(); |
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|
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if ( (DWORD)g_Client.Initialize ) |
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{ |
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DWORD EngineTable = offset.FindEngineTable(); |
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if ( EngineTable ) |
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{ |
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g_pEngine = (cl_enginefunc_t*)EngineTable; |
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offset.CopyEngine(); |
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if ( (DWORD)g_Engine.V_CalcShake ) |
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{ |
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DWORD StudioTable = offset.FindStudioTable(); |
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if ( StudioTable ) |
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{ |
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g_pStudio = (engine_studio_api_t*)StudioTable; |
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offset.CopyStudio(); |
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if ( (DWORD)g_Studio.StudioSetupSkin ) |
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{ |
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while ( !FirstFrame ) |
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{ |
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HookFunction(); |
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Sleep( 100 ); |
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} |
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bPreType = offset.HLType; |
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hProcessReloadThread = CreateThread( 0 , 0 , ProcessReload , 0 , 0 , 0 ); |
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} |
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else |
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{ |
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goto start_hook; |
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} |
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} |
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else |
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{ |
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goto start_hook; |
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} |
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} |
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else |
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{ |
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goto start_hook; |
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} |
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} |
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else |
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{ |
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goto start_hook; |
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} |
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} |
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else |
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{ |
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goto start_hook; |
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} |
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} |
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else |
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{ |
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goto start_hook; |
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} |
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return 0; |
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} |
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class BinaryPattern { |
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uint8_t *pBytes; |
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bool *pMarks; |
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size_t byteCount; |
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public: |
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BinaryPattern(const char *str) { |
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size_t elemCount = strlen(str) / 2 + 1; |
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pBytes = (decltype(pBytes))malloc(elemCount * sizeof(*pBytes)); |
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pMarks = (decltype(pMarks))malloc(elemCount * sizeof(*pMarks)); |
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byteCount = 0; |
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for (const char *pch = str; *pch != '\0'; pch++) { |
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if (*pch == ' ') { |
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continue; |
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} |
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if (*pch == '?') { |
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pBytes[byteCount] = 0; |
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pMarks[byteCount] = false; |
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byteCount++; |
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if (*(pch + 1) == '?') { |
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pch++; |
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} |
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continue; |
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} |
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pBytes[byteCount] = strtoul(pch, nullptr, 16); |
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pMarks[byteCount] = true; |
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byteCount++; |
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pch++; |
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} |
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pBytes = (decltype(pBytes))realloc(pBytes, byteCount * sizeof(*pBytes)); |
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pMarks = (decltype(pMarks))realloc(pMarks, byteCount * sizeof(*pMarks)); |
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} |
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bool IsMatch(uintptr_t ptr) { |
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uint8_t *pBytesToCheck = (decltype(pBytesToCheck))ptr; |
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for (size_t i = 0; i < byteCount; i++) { |
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if (pMarks[i] && pBytesToCheck[i] != pBytes[i]) { |
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return false; |
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} |
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} |
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return true; |
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} |
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}; |
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class JmpOpcode { |
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public: |
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static void Setup(uintptr_t jmpPtr, uintptr_t destPtr) { |
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DWORD oldProt; |
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VirtualProtect(LPVOID(jmpPtr), sizeof(uint8_t) + sizeof(intptr_t), PAGE_EXECUTE_READWRITE, &oldProt); |
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*(uint8_t *)jmpPtr = 0xE9; |
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*(intptr_t *)(jmpPtr + sizeof(uint8_t)) = (intptr_t)destPtr - ((intptr_t)jmpPtr + 5); |
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VirtualProtect(LPVOID(jmpPtr), sizeof(uint8_t) + sizeof(intptr_t), oldProt, &oldProt); |
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} |
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}; |
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class CallOpcode { |
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public: |
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static uintptr_t GetDestination(uintptr_t callPtr) { |
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return (intptr_t)(callPtr + 5) + *(intptr_t *)(callPtr + 1); |
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//return (callPtr + 5) + *(intptr_t *)(callPtr + 1); |
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} |
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static void SetDestination(uintptr_t callPtr, uintptr_t destPtr) { |
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DWORD oldProt; |
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VirtualProtect(LPVOID(callPtr + 1), sizeof(intptr_t), PAGE_EXECUTE_READWRITE, &oldProt); |
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*(intptr_t *)(callPtr + 1) = destPtr - (callPtr + 5); |
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VirtualProtect(LPVOID(callPtr + 1), sizeof(intptr_t), oldProt, &oldProt); |
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} |
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static void SetDestination(uintptr_t callPtr, void *destPtr) { |
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SetDestination(callPtr, (uintptr_t)destPtr); |
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} |
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}; |
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class Module { |
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uintptr_t moduleBase; |
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IMAGE_NT_HEADERS32 *pNtHeaders; |
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public: |
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Module(const char *moduleName) { |
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moduleBase = (decltype(moduleBase))GetModuleHandleA(moduleName); |
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IMAGE_DOS_HEADER *pDosHeader = (decltype(pDosHeader))moduleBase; |
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pNtHeaders = (decltype(pNtHeaders))(moduleBase + pDosHeader->e_lfanew); |
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} |
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static bool IsLoaded(const char *moduleName) { |
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return GetModuleHandleA(moduleName) != nullptr; |
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} |
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uintptr_t FindStringAddress(const char *str) const { |
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const char *pData = (decltype(pData))(moduleBase + pNtHeaders->OptionalHeader.BaseOfData); |
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|
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while (true) { |
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if (!strcmp(pData, str)) { |
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return (uintptr_t)pData; |
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} |
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pData++; |
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} |
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return (uintptr_t)nullptr; |
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} |
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uintptr_t FindFirstUseOfString(const char *str) const { |
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uintptr_t strPtr = FindStringAddress(str); |
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IMAGE_BASE_RELOCATION *pBaseReloc = (decltype(pBaseReloc))(moduleBase + pNtHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress); |
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uintptr_t relocBase = (decltype(relocBase))pBaseReloc; |
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while (pBaseReloc->SizeOfBlock) { |
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uint16_t *pEnd = (decltype(pEnd))(relocBase + pBaseReloc->SizeOfBlock); |
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uintptr_t base = (decltype(base))(moduleBase + pBaseReloc->VirtualAddress); |
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for (uint16_t *pReloc = (decltype(pReloc))(relocBase + sizeof(*pBaseReloc)); pReloc != pEnd; pReloc++) { |
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if (*pReloc >> 12 == 0) { // Bad type |
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continue; |
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} |
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uintptr_t ptr = base + (*pReloc & 0xFFF); // Offset |
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if (strPtr == *(uintptr_t *)ptr) { |
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return ptr; |
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} |
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} |
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pBaseReloc = (decltype(pBaseReloc))pEnd; |
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relocBase = (decltype(relocBase))pBaseReloc; |
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} |
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return (uintptr_t)nullptr; |
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} |
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uintptr_t SearchUpForBinaryPattern(uintptr_t startPtr, BinaryPattern &binPattern) const { |
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uintptr_t ptr = startPtr; |
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while (true) { |
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if (binPattern.IsMatch(ptr)) { |
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return ptr; |
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} |
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ptr--; |
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} |
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return (uintptr_t)nullptr; |
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} |
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uintptr_t SearchDownForFirstCallToFunction(uintptr_t startPtr, uintptr_t funcPtr) { |
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uintptr_t ptr = startPtr; |
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|
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while (true) { |
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if (*(uint8_t *)ptr == 0xE8 && CallOpcode::GetDestination(ptr) == funcPtr) { |
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return ptr; |
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} |
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ptr++; |
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} |
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return (uintptr_t)nullptr; |
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} |
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uintptr_t SearchUpForFirstCallToFunction(uintptr_t startPtr, uintptr_t funcPtr) { |
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uintptr_t ptr = startPtr; |
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|
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while (true) { |
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if (*(uint8_t *)ptr == 0xE8 && CallOpcode::GetDestination(ptr) == funcPtr) { |
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return ptr; |
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} |
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ptr--; |
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} |
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return (uintptr_t)nullptr; |
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} |
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}; |
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int(*g_pfnSteam_GSInitiateGameConnection)(void *pData, int maxDataBytes, uint64_t steamID, uint32_t serverIP, uint16_t serverPort, bool isSecure); |
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|
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struct revEmuTicket_t { |
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uint32_t version; |
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uint32_t highPartAuthID; |
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uint32_t signature; |
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uint32_t secondSignature; |
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uint32_t authID; |
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uint32_t thirdSignature; |
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uint8_t hash[128]; |
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} revEmuTicket; |
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|
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const uint8_t g_hashSymbolTable[36] = { |
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', |
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'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', |
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'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', |
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'U', 'V', 'W', 'X', 'Y', 'Z' |
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}; |
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uint32_t RevHash(const char *str) { |
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uint32_t hash = 0x4E67C6A7; |
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for (const char *pch = str; *pch != '\0'; pch++) { |
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hash ^= (hash >> 2) + (hash << 5) + *pch; |
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} |
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return hash; |
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} |
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extern string filename; |
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int Steam_GSInitiateGameConnection_CallHook(void *pData, int maxDataBytes, uint64_t steamID, uint32_t serverIP, uint16_t serverPort, bool isSecure) { |
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int ret = (*g_pfnSteam_GSInitiateGameConnection)(pData, maxDataBytes, steamID, serverIP, serverPort, isSecure); |
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if (steamid_r->value == 0) return ret; |
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else if (steamid_r->value == 1) { |
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for (size_t i = 0; i < 7; i++) { |
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revEmuTicket.hash[i] = g_hashSymbolTable[rand() % 36]; |
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} |
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revEmuTicket.hash[7] = '\0'; |
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|
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revEmuTicket.version = 'J'; |
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revEmuTicket.highPartAuthID = RevHash((const char *)revEmuTicket.hash) & 0x7FFFFFFF; |
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revEmuTicket.signature = 'rev'; |
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revEmuTicket.secondSignature = 0; |
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revEmuTicket.authID = RevHash((const char *)revEmuTicket.hash) << 1; |
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revEmuTicket.thirdSignature = 0x01100001; |
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memcpy(pData, &revEmuTicket, sizeof(revEmuTicket)); |
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return sizeof(revEmuTicket); |
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} |
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else if (steamid_r->value >= 2) { |
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ifstream file(filename.c_str(), ios::in | ios::binary | ios::ate); |
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ifstream::pos_type size; |
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char * bufferzz; |
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if (file.is_open()){ |
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size = file.tellg(); |
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bufferzz = new char[size]; |
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file.seekg(0, ios::beg); |
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file.read(bufferzz, size); |
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file.close(); |
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memcpy(pData, bufferzz, size); |
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delete[] bufferzz; |
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return size; |
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} |
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} |
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} |
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|
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void CL_ReadDemoMessage_OLD_Cbuf_AddText_CallHook(const char *str){ |
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// Add your filters there |
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|
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//MessagePrintf("Demo tried to execute: %s", str); |
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} |
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|
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void CL_ConnectionlessPacket_Cbuf_AddText_CallHook(const char *str){ |
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// Add your filters there |
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//ConsolePrintColor(0, 255, 0, "Server tried to execute via connectionless: %s", str); |
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} |
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|
|
|
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void ModuleLoaded() { |
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Module *pModule; |
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if (Module::IsLoaded("hw.dll")) { |
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pModule = new Module("hw.dll"); |
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} |
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else if (Module::IsLoaded("sw.dll")) { |
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pModule = new Module("sw.dll"); |
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} |
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else { |
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return; |
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} |
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|
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uintptr_t ptr = pModule->FindFirstUseOfString("%c%c%c%cconnect %i %i \"%s\" \"%s\"\n"); |
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ptr = pModule->SearchUpForBinaryPattern(ptr, BinaryPattern("E8 ?? ?? ?? ?? 83 C4 1C 8B F8")); |
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|
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g_pfnSteam_GSInitiateGameConnection = (decltype(g_pfnSteam_GSInitiateGameConnection))CallOpcode::GetDestination(ptr); |
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CallOpcode::SetDestination(ptr, &Steam_GSInitiateGameConnection_CallHook); |
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|
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ptr = pModule->FindFirstUseOfString("Error, bad server command %s\n"); |
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ptr = pModule->SearchUpForBinaryPattern(ptr, BinaryPattern("E8 ?? ?? ?? ?? 83 C4 04 5E")); |
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uintptr_t pfnCbuf_AddText = (decltype(pfnCbuf_AddText))CallOpcode::GetDestination(ptr); |
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{ |
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ptr = pModule->FindFirstUseOfString("connect local"); |
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ptr += sizeof(uintptr_t); |
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ptr = (uintptr_t)CallOpcode::GetDestination(ptr); |
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ExecuteString_call = ptr; |
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ExecuteString_jump = ptr + 0x9; |
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} |
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{ |
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ptr = pModule->FindFirstUseOfString("exec config.cfg\n"); |
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ptr += sizeof(uintptr_t); |
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Cbuf_AddText = (decltype(Cbuf_AddText))(uintptr_t)CallOpcode::GetDestination(ptr); |
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{ |
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ptr += 0xf; |
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Cbuf_Execute = (decltype(Cbuf_Execute))(uintptr_t)CallOpcode::GetDestination(ptr); |
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} |
|
|
|
|
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} |
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ptr = pModule->FindFirstUseOfString("Tried to read a demo message with no demo file\n"); |
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ptr = pModule->SearchDownForFirstCallToFunction(ptr, pfnCbuf_AddText); |
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CallOpcode::SetDestination(ptr, &CL_ReadDemoMessage_OLD_Cbuf_AddText_CallHook); |
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|
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ptr = pModule->FindFirstUseOfString("Redirecting connection to %s.\n"); |
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ptr = pModule->SearchUpForFirstCallToFunction(ptr, pfnCbuf_AddText); |
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CallOpcode::SetDestination(ptr, &CL_ConnectionlessPacket_Cbuf_AddText_CallHook); |
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|
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delete pModule; |
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} |
|
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved){ |
|
switch (fdwReason) |
|
{ |
|
case DLL_PROCESS_ATTACH: |
|
srand(GetTickCount()); |
|
TCHAR moduleFileName[MAX_PATH]; |
|
GetModuleFileName(hinstDLL, moduleFileName, ARRAYSIZE(moduleFileName)); |
|
LoadLibrary(moduleFileName); |
|
LPCTSTR lpFileName = PathFindFileName(moduleFileName); |
|
LPCTSTR lpExtension = PathFindExtension(moduleFileName); |
|
TCHAR sFileName[MAX_PATH]; |
|
StringCchCopyN(sFileName, ARRAYSIZE(sFileName), lpFileName, lpExtension - lpFileName); |
|
|
|
// debug no rename extramirror |
|
//bool fPrefixDetected = true; |
|
bool fPrefixDetected = false; |
|
for (PTCHAR pch = sFileName; *pch != '\0'; pch++) { |
|
if (*pch == 'm') { |
|
fPrefixDetected = true; |
|
break; |
|
} |
|
} |
|
StringCchCopyN(g_settingsFileName, ARRAYSIZE(g_settingsFileName), moduleFileName, lpExtension - moduleFileName); |
|
StringCchCat(g_settingsFileName, ARRAYSIZE(g_settingsFileName), TEXT(".ini")); |
|
if (!fPrefixDetected) { |
|
HCRYPTPROV hCryptProv; |
|
CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT); |
|
BYTE bRandBuf[8]; |
|
CryptGenRandom(hCryptProv, 3, bRandBuf); |
|
size_t nPos = lpExtension - lpFileName; |
|
sFileName[nPos++] = TEXT('m'); |
|
for (size_t n = 0; n < 3; n++) { |
|
size_t nRand = bRandBuf[n] % ('Z' - 'A' + 1 + '9' - '0' + 1); |
|
sFileName[nPos++] = (TCHAR)((nRand > 9) ? (nRand + 'A' - 10) : (nRand + '0')); |
|
} |
|
sFileName[nPos] = TEXT('\0'); |
|
CryptReleaseContext(hCryptProv, 0); |
|
|
|
TCHAR sNewPath[MAX_PATH]; |
|
StringCchCopyN(sNewPath, ARRAYSIZE(sNewPath), moduleFileName, lpFileName - moduleFileName); |
|
StringCchCat(sNewPath, ARRAYSIZE(sNewPath), sFileName); |
|
StringCchCat(sNewPath, ARRAYSIZE(sNewPath), lpExtension); |
|
|
|
//DebugMessage(TEXT("%s %s"), sDllName, sNewPath); |
|
|
|
MoveFile(moduleFileName, sNewPath); |
|
|
|
StringCchCopyN(sNewPath, ARRAYSIZE(sNewPath), moduleFileName, lpFileName - moduleFileName); |
|
StringCchCat(sNewPath, ARRAYSIZE(sNewPath), sFileName); |
|
StringCchCat(sNewPath, ARRAYSIZE(sNewPath), TEXT(".ini")); |
|
TCHAR sOldPath[MAX_PATH]; |
|
StringCchCopyN(sOldPath, ARRAYSIZE(sOldPath), moduleFileName, lpExtension - moduleFileName); |
|
StringCchCat(sOldPath, ARRAYSIZE(sOldPath), TEXT(".ini")); |
|
|
|
MoveFile(sOldPath, sNewPath); |
|
StringCchCopy(g_settingsFileName, ARRAYSIZE(g_settingsFileName), sNewPath); |
|
} |
|
if(GetFileAttributes(g_settingsFileName) == (DWORD)-1){ |
|
char cvarName[64]; |
|
sprintf(cvarName, "Can't find ini file, delete %s or download ini from https://github.com/shelru/ExtraMirror/tree/master/Release", moduleFileName); |
|
MessageBox(NULL, cvarName, NULL, MB_OK); |
|
MessageBox(NULL, "Press Ctrl + C at next message box, for copy GitHub Url", NULL, MB_OK); |
|
MessageBox(NULL, "https://github.com/shelru/ExtraMirror/tree/master/Release", NULL, MB_OK); |
|
|
|
|
|
return FALSE; |
|
} |
|
//unicode patch for console |
|
HexReplaceInLibrary("cstrike/cl_dlls/client.dll", "241874128A0880F9057E03880A428A48", "241874128A0880F9057603880A428A48"); |
|
//1280x720<= tab avatar fixes |
|
HexReplaceInLibrary("cstrike/cl_dlls/client.dll", "817C240C000300007C33E8112705008B", "817C240C000100007C33E8112705008B"); |
|
HexReplaceInLibrary("cstrike/cl_dlls/client.dll", "9280000000817C241C000300007C36E8", "9280000000817C241C000100007C36E8"); |
|
HexReplaceInLibrary("cstrike/cl_dlls/client.dll", "1C518BC8FF9280000000817C241C0003", "1C518BC8FF9280000000817C241C0001"); |
|
HexReplaceInLibrary("cstrike/cl_dlls/client.dll", "8B44243C3D000300008B4424187D348B", "8B44243C3D000100008B4424187D348B"); |
|
HexReplaceInLibrary("cstrike/cl_dlls/client.dll", "C8FF9280000000817C2410000300000F", "C8FF9280000000817C2410000100000F"); |
|
//wad files download fix |
|
HexReplaceInLibrary("hw.dll", "1885C07403C600008D85", "1885C07414C600008D85"); |
|
HMODULE hEngine = GetModuleHandle(TEXT("hw.dll")); |
|
if (hEngine == NULL) { |
|
hEngine = GetModuleHandle(TEXT("sw.dll")); |
|
} |
|
|
|
PIMAGE_DOS_HEADER pDosHeader = (PIMAGE_DOS_HEADER)hEngine; |
|
PIMAGE_NT_HEADERS pNtHeaders = (PIMAGE_NT_HEADERS)((size_t)hEngine + pDosHeader->e_lfanew); |
|
|
|
const char *pData = (const char *)pNtHeaders->OptionalHeader.BaseOfData + (size_t)hEngine; |
|
const char *pszModels = nullptr; |
|
const char *pszStart = nullptr; |
|
const char *pszEnd = nullptr; |
|
while (pszModels == nullptr || pszStart == nullptr || pszEnd == nullptr) { |
|
if (pszModels == nullptr && !strcmp(pData, "models/")) { |
|
pszModels = pData; |
|
} |
|
if (pszStart == nullptr && !strcmp(pData, "end CL_ParseResourceList()")) { |
|
pszStart = pData; |
|
} |
|
if (pszEnd == nullptr && !strcmp(pData, "Consistency: server sent too many filenames\n")) { |
|
pszEnd = pData; |
|
} |
|
pData++; |
|
} |
|
|
|
PIMAGE_BASE_RELOCATION pBaseReloc = (PIMAGE_BASE_RELOCATION)((size_t)hEngine + pNtHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress); |
|
void *pModelsUsing = nullptr; |
|
void *pStartUsing = nullptr; |
|
void *pEndUsing = nullptr; |
|
while (pBaseReloc->SizeOfBlock) { |
|
PWORD pEnd = (PWORD)((size_t)pBaseReloc + pBaseReloc->SizeOfBlock); |
|
|
|
void *pBase = (void *)((size_t)hEngine + pBaseReloc->VirtualAddress); |
|
|
|
for (PWORD pReloc = (PWORD)(pBaseReloc + 1); pReloc < pEnd; pReloc++) { |
|
if (*pReloc >> 12 == 0) { |
|
continue; |
|
} |
|
|
|
const char *p = *(const char **)((*pReloc & 0xFFF) + (size_t)pBase); |
|
|
|
if (pModelsUsing == nullptr && p == pszModels) { |
|
pModelsUsing = (void *)((*pReloc & 0xFFF) + (size_t)pBase); |
|
} |
|
if (pStartUsing == nullptr && p == pszStart) { |
|
pStartUsing = (void *)((*pReloc & 0xFFF) + (size_t)pBase); |
|
} |
|
if (pEndUsing == nullptr && p == pszEnd) { |
|
pEndUsing = (void *)((*pReloc & 0xFFF) + (size_t)pBase); |
|
} |
|
} |
|
|
|
if (pModelsUsing != nullptr && pStartUsing != nullptr && pEndUsing != nullptr) { |
|
break; |
|
} |
|
|
|
pBaseReloc = (PIMAGE_BASE_RELOCATION)((size_t)pBaseReloc + pBaseReloc->SizeOfBlock); |
|
} |
|
|
|
byte *pStart = (byte *)pModelsUsing + 4; |
|
while (*pStart != 0xE8) { |
|
pStart++; |
|
} |
|
void *pfnStrStr = (void *)((size_t)pStart + *(long *)(pStart + 1) + 5); |
|
|
|
pStart = (byte *)pEndUsing - 5; |
|
while (*pStart != 0xE8 || *(long *)(pStart + 1) != (long)pfnStrStr - (long)pStart - 5) { |
|
pStart--; |
|
} |
|
DWORD oldProt; |
|
VirtualProtect(pStart + 1, 4, PAGE_EXECUTE_READWRITE, &oldProt); |
|
*(long *)(pStart + 1) = (long)&StrStr_Hooked - (long)pStart - 5; |
|
VirtualProtect(pStart + 1, 4, oldProt, &oldProt); |
|
|
|
pStart = (byte *)pStartUsing + 4; |
|
while (*pStart != 0xE8 || *(pStart + 5) != 0x68) { |
|
pStart++; |
|
} |
|
g_pfnCL_ParseConsistencyInfo = (decltype(g_pfnCL_ParseConsistencyInfo))((long)pStart + *(long *)(pStart + 1) + 5); |
|
VirtualProtect(pStart + 1, 4, PAGE_EXECUTE_READWRITE, &oldProt); |
|
*(long *)(pStart + 1) = (long)&CL_ParseConsistencyInfo - (long)pStart - 5; |
|
VirtualProtect(pStart + 1, 4, oldProt, &oldProt); |
|
|
|
if (GetLastError() == ERROR_ALREADY_EXISTS) |
|
return TRUE; |
|
|
|
DisableThreadLibraryCalls(hinstDLL); |
|
|
|
BaseDir = (char*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, MAX_PATH); |
|
GetModuleFileNameA(hinstDLL, BaseDir, MAX_PATH); |
|
char* pos = BaseDir + native_strlen(BaseDir); |
|
while (pos >= BaseDir && *pos != '\\') --pos; pos[1] = 0; |
|
CreateThread(0, 0, CheatEntry, 0, 0, 0); |
|
ModuleLoaded(); |
|
|
|
return TRUE; |
|
} |
|
return FALSE; |
|
} |