work on diff versions

This commit is contained in:
Luna 2022-08-27 00:02:34 +01:00
parent 19d69835f6
commit d643b141ff
No known key found for this signature in database
GPG Key ID: DE2FDA6E04D2DCE8
2 changed files with 44 additions and 11 deletions

View File

@ -49,8 +49,18 @@ char* ScanInternal(char* pattern,char * mask, char* begin, intptr_t size)
void* find_rel_addr(char* nextins,uint32_t offset) {
char* mod = (char*)GetModuleHandleA(nullptr);
auto parta = (nextins - mod) + offset;
return mod + (uint32_t)parta;
}
void* find_rel_addr_lea(char* nextins, char* offset) {
uint32_t act_offset;
std::memcpy(&act_offset, (void*)(offset + 3), 4);
return find_rel_addr(nextins, act_offset);
}
void main_thread() {
AllocConsole();
@ -59,24 +69,46 @@ void main_thread() {
auto pog1 = GetModuleHandleA(nullptr);
const char* load_byte_code_sig = "\x4C\x8D\x05\xCC\xCC\xCC\xCC\x0F\x1F\x40\x00";
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"
;
const char* version_sig_mask = "xxxx?xxxxxxxxxxx?xxxxxxxxx????xxxx????xxxx?x????xxxxx?xxxxxxx????xxxxx?xxxxxxxxxxx?xxxxxxxxx????x";
auto pog = ScanInternal((char*)load_byte_code_sig, (char*)"xxx????xxxx", (char *)pog1, 0xfffffff);
uint32_t offset;
auto version_somewhere = ScanInternal((char*)version_sig, (char*)version_sig_mask, (char*)pog1, 0xfffffff);
std::memcpy(&offset, (void*)(pog + 3), 4);
auto version_lea = version_somewhere + 31;
void* next = (void*)((pog + 7) - (char *)pog1);
auto parta = (char*)next + offset;
void* location = reinterpret_cast<char*>(pog1) + (uint32_t)parta;
auto version_addr = (char*)find_rel_addr_lea(version_lea + 7, version_lea);
std::cout << "game version = " << version_addr << std::endl;
std::string_view ver(version_addr);
std::cout << "key loc @ " << location << std::endl;
uint8_t secretKey[32];
std::memcpy(&secretKey, location, 32);
if (ver.find("3.4") != std::string::npos) {
const char* lea_sig = "\x4C\x8B\xFF\x4C\x8D\x05\x00\x00\x00\x00";
auto lea = ScanInternal((char*)lea_sig, (char*)"xxxxxx????", (char*)pog1, 0xfffffff) + 3;
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++) {

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@ -112,6 +112,7 @@
<ConformanceMode>true</ConformanceMode>
<PrecompiledHeader>Use</PrecompiledHeader>
<PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
<LanguageStandard>stdcpp20</LanguageStandard>
</ClCompile>
<Link>
<SubSystem>Windows</SubSystem>