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KiriKiriZ4 hook VN r111774

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Blu3train 2023-09-03 22:27:00 +02:00
parent 1318c2f490
commit fce76a5040
1 changed files with 49 additions and 0 deletions
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49
texthook/engine/engine.cc
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@ -1486,6 +1486,54 @@ bool InsertKiriKiriZHook3()
return true;
}
bool KiriKiriZ4Filter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
auto text = reinterpret_cast<LPWSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
if (text[0] == L' ' || text[0] == L'@' || text[0] == L'[' || text[0] == L']')
return false;
if (cpp_wcsnstr(text, L"[", *len/sizeof(wchar_t))) {
WideStringCharReplacer(text, len, L"[r]", 3, L' ');
WideStringFilterBetween(text, len, L"[", 1, L"]", 1);
}
return true;
}
bool InsertKiriKiriZHook4()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/r111774
*/
const BYTE bytes[] = {
0xE8, 0xE8, 0xBA, 0xFE, 0xFF, // call Shironagasu.exe+227B0 << hook here
0xC7, 0x45, 0xFC, XX4, // mov [ebp-04],00000000
0xC7, 0x45, 0xF0, XX4, // mov [ebp-10],00000001
0x8B, 0x45, 0x08 // mov eax,[ebp+08]
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("vnreng:KiriKiriZ4: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr;
hp.offset = pusha_ebx_off -4;
hp.type = NO_CONTEXT | USING_UNICODE | USING_STRING;
hp.filter_fun = KiriKiriZ4Filter;
ConsoleOutput("vnreng: INSERT KiriKiriZ4");
NewHook(hp, "KiriKiriZ4");
return true;
}
bool KiriKiriZ_msvcFilter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
auto text = reinterpret_cast<LPWSTR>(data);
@ -1585,6 +1633,7 @@ bool InsertKiriKiriZHook()
{
bool ok = InsertKiriKiriZHook_msvc();
ok = InsertKiriKiriZHook3() || ok;
ok = InsertKiriKiriZHook4() || ok;
return InsertKiriKiriZHook2() || InsertKiriKiriZHook1() || ok;
}