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godot-key-extract
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fix for 3.4.5, and probably just better code

This commit is contained in:
luna 2022-09-14 01:11:24 +01:00
parent f55c897d42
commit 254962ce10
No known key found for this signature in database
GPG Key ID: 64C3041E2013E606
1 changed files with 24 additions and 14 deletions
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38
godot_dump/dllmain.cpp
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@ -2,6 +2,8 @@
#include "pch.h"
#include <thread>
#include <iostream>
#include <charconv>
#include <algorithm>
char* ScanBasic(char* pattern, char* mask, char* begin, intptr_t size)
{
@ -66,6 +68,7 @@ void main_thread() {
freopen_s(&f,"CONOUT$", "w", (FILE*)stdout);
freopen_s(&f,"CONIN$", "r", (FILE*)stdin);
auto pog1 = GetModuleHandleA(nullptr);
const char* version_sig = "\x48\x8B\x4C\x24\x00\x48\x85\xC9\x74\x15\x8B\xC3\xF0\x0F\xC1\x41\x00\x83\xF8\x01\x75\x09\x0F\xB6\xD0\xE8\x00\x00\x00\x00\x90\x48\x8D\x15\x00\x00\x00\x00\x48\x8D\x4C\x24\x00\xE8\x00\x00\x00\x00\x90\x4C\x8D\x44\x24\x00\x48\x8B\xD7\x48\x8B\xC8\xE8\x00\x00\x00\x00\x90\x48\x8B\x4C\x24\x00\x48\x85\xC9\x74\x15\x8B\xC3\xF0\x0F\xC1\x41\x00\x83\xF8\x01\x75\x09\x0F\xB6\xD0\xE8\x00\x00\x00\x00\x90"
@ -82,13 +85,29 @@ void main_thread() {
std::cout << "game version = " << version_addr << std::endl;
std::string_view ver(version_addr);
uint8_t secretKey[32];
auto vera = std::string(version_addr);
std::remove(vera.begin(), vera.end(), '.');
int ver = 0;
auto version_n = std::from_chars(vera.data(), vera.data() + vera.size(), ver);
if (ver.find("3.4") != std::string::npos) {
//std::cout << "v = " << ver << "; e = " << vera << std::endl;
if (ver > 344 || (ver < 100 && ver > 34)) {//if (ver.find("3.6") != std::string::npos) { // best hope, i cba to check others rn
const char* lea_sig = "\x48\x8D\x05\x00\x00\x00\x00\x0F\xB6\x00\x03";
auto lea = ScanInternal((char*)lea_sig, (char*)"xxx????xx?x", (char*)pog1, 0xfffffff);
auto key_addr = (char*)find_rel_addr_lea(lea + 7, lea);
std::memcpy(&secretKey, key_addr, 32);
} else if (ver <= 344) {
std::cout << "using 344\n";
const char* lea_sig = "\x4C\x8B\xFF\x4C\x8D\x05\x00\x00\x00\x00";
@ -97,17 +116,7 @@ void main_thread() {
auto key_addr = (char*)find_rel_addr_lea(lea + 7, lea);
std::memcpy(&secretKey, key_addr, 32);
} else {//if (ver.find("3.6") != std::string::npos) { // best hope, i cba to check others rn
const char* lea_sig = "\x48\x8D\x05\x00\x00\x00\x00\x0F\xB6\x0C\x03";
auto lea = ScanInternal((char*)lea_sig, (char*)"xxx????xxxx", (char*)pog1, 0xfffffff);
auto key_addr = (char*)find_rel_addr_lea(lea + 7, lea);
std::memcpy(&secretKey, key_addr, 32);
}
}
std::cout << "key = ";
for (int i = 0; i < 32; i++) {
@ -128,6 +137,7 @@ BOOL APIENTRY DllMain( HMODULE hModule,
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH: {
DisableThreadLibraryCalls(GetModuleHandleA(nullptr));
std::thread mt(main_thread);
//main_thread();
mt.detach();