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Artemis x64 engine hook

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This commit is contained in:
Blu3train 2023-10-29 23:14:10 +01:00
parent f3fbe04409
commit 2e691d482e
1 changed files with 34 additions and 0 deletions
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34
texthook/engine/match64.cc
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@ -214,6 +214,35 @@ namespace Engine
return false;
}
bool InsertArtemisHook() {
//by Blu3train
/*
* Sample games:
* https://vndb.org/v45247
*/
const BYTE bytes[] = {
0xCC, // int 3
0x40, 0x57, // push rdi <- hook here
0x48, 0x83, 0xEC, 0x40, // sub rsp,40
0x48, 0xC7, 0x44, 0x24, 0x30, XX4, // mov qword ptr [rsp+30],FFFFFFFFFFFFFFFE
0x48, 0x89, 0x5C, 0x24, 0x50 // mov [rsp+50],rbx
};
ULONG64 range = min(processStopAddress - processStartAddress, X64_MAX_REL_ADDR);
for (auto addr : Util::SearchMemory(bytes, sizeof(bytes), PAGE_EXECUTE, processStartAddress, processStartAddress + range)) {
HookParam hp = {};
hp.address = addr + 1;
hp.offset = -0x44 -4; //RDI
hp.type = USING_STRING | USING_UTF8 | NO_CONTEXT;
ConsoleOutput("vnreng: INSERT Artemis Hook ");
NewHook(hp, "Artemis");
return true;
}
ConsoleOutput("vnreng:Artemis: pattern not found");
return false;
}
bool UnsafeDetermineEngineType()
{
if (Util::CheckFile(L"PPSSPP*.exe") && FindPPSSPP()) return true;
@ -228,6 +257,11 @@ namespace Engine
return true;
}
if (Util::CheckFile(L"*.pfs")) {
InsertArtemisHook();
return true;
}
if (Util::CheckFile(L"*.py") && InsertRenpyHook()) return true;
for (const wchar_t* monoName : { L"mono.dll", L"mono-2.0-bdwgc.dll" }) if (HMODULE module = GetModuleHandleW(monoName)) if (InsertMonoHooks(module)) return true;