Merge remote-tracking branch 'Blu3train/Yuris3Engine'

This commit is contained in:
Chenx221 2024-09-05 11:31:35 +08:00
commit 1097af55cf

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@ -6352,8 +6352,269 @@ static bool InsertYuris2Hook()
return true; return true;
} }
static bool Yuris3Filter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
static wchar_t prev_text;
wchar_t* pText = reinterpret_cast<wchar_t*>(data);
if (prev_text == *pText)
{
prev_text = '\0';
return false;
}
prev_text = *pText;
return true;
}
static bool InsertYuris3Hook()
{
//by Blu3train
HookParam hp = {};
wcsncpy_s(hp.module, L"kernel32.dll", MAX_MODULE_SIZE - 1);
strncpy_s(hp.function, "MultiByteToWideChar", MAX_MODULE_SIZE - 1);
hp.address = 6;
hp.offset = 0xC; //arg3
hp.index = 0;
hp.split = 0x1C;
hp.split_index = 0;
hp.filter_fun = Yuris3Filter;
hp.type = USING_STRING | USING_SPLIT | MODULE_OFFSET | FUNCTION_OFFSET;
hp.length_offset = 0x10/(short)sizeof(void*); // arg4/arg_sz
ConsoleOutput("vnreng: INSERT YU-RIS 3");
NewHook(hp, "YU-RIS3");
return true;
}
bool InsertYuris4Hook()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/v6540
*/
bool found = false;
const BYTE pattern[] = {
0x52, // 52 push edx
0x68, 0x00, 0x42, 0x5C, 0x00, // 68 00425C00 push euphoria.exe+1C4200
0xFF, 0x15, 0x90, 0x44, 0x7E, 0x00, // FF 15 90447E00 call dword ptr [euphoria.exe+3E4490]
0x83, 0xC4, 0x0C, // 83 C4 0C add esp,0C
0xEB, 0x5F, // EB 5F jmp euphoria.exe+4F4C5
0xFF, 0x35, 0xA4, 0x19, 0x66, 0x00, // FF 35 A4196600 push [euphoria.exe+2619A4]
0x52 // 52 push edx
};
enum { addr_offset = 12 }; // distance to the beginning of the function, which is 0x83, 0xC4, 0x0C (add esp,0C)
for (auto addr : Util::SearchMemory(pattern, sizeof(pattern), PAGE_EXECUTE, processStartAddress, processStopAddress))
{
HookParam hp = {};
hp.address = addr+addr_offset;
hp.offset = pusha_edx_off - 4;
hp.type = USING_STRING ;
ConsoleOutput("Textractor: INSERT YU-RIS 4");
NewHook(hp, "YU-RIS4");
found = true;
}
if (!found) ConsoleOutput("Textractor:YU-RIS 4: pattern not found");
return found;
}
bool InsertYuris5Hook()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/v4037
*/
const BYTE bytes[] = {
0x33, 0xD2, // xor edx,edx
0x88, 0x14, 0x0F, // mov [edi+ecx],dl
0xA1, XX4, // mov eax,[exe+2DE630]
0x8B, 0x78, 0x3C, // mov edi,[eax+3C]
0x8B, 0x58, 0x5C, // mov ebx,[eax+5C]
0x88, 0x14, 0x3B // mov [ebx+edi],dl
};
enum { addr_offset = 0 }; // distance to the beginning of the function, which is 0x55 (push ebp)
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr)
return false;
HookParam hp = {};
hp.address = addr + addr_offset;
hp.offset = pusha_ecx_off - 4;
hp.type = USING_STRING | NO_CONTEXT;
ConsoleOutput("Textractor: INSERT YU-RIS 5");
NewHook(hp, "YU-RIS5");
return true;
}
static bool Yuris6Filter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
auto text = reinterpret_cast<LPSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
static std::string prevText;
if (prevText.length()==*len && prevText.find(text, 0, *len) != std::string::npos) // Check if the string is present in the previous one
return false;
prevText.assign(text, *len);
// ruby <手水舎/ちょうずや>
if (cpp_strnstr(text, "\x81\x83", *len)) { // \x81\x83 -> ''
StringFilterBetween(text, len, "\x81\x5E", 2, "\x81\x84", 2); // \x81\x5E -> '' , \x81\x84 -> ''
StringFilter(text, len, "\x81\x83", 2); // \x81\x83 -> ''
}
// ruby ≪美桜/姉さん≫
else if (cpp_strnstr(text, "\x81\xE1", *len)) { // \x81\xE1 -> '≪'
StringFilterBetween(text, len, "\x81\x5E", 2, "\x81\xE2", 2); // \x81\x5E -> '' , \x81\xE2 -> '≫'
StringFilter(text, len, "\x81\xE1", 2); // \x81\xE1 -> '≪'
}
CharReplacer(text, len, '=', '-');
StringCharReplacer(text, len, "\xEF\xF0", 2, ' ');
StringFilter(text, len, "\xEF\xF2", 2);
StringFilter(text, len, "\xEF\xF5", 2);
StringFilter(text, len, "\x81\x98", 2);
return true;
}
bool InsertYuris6Hook()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/v40058
* https://vndb.org/v42883
* https://vndb.org/v44092
* https://vndb.org/v21171
* https://vndb.org/r46910
*/
const BYTE bytes[] = {
0xE9, XX4, // jmp oshitona01.exe+1B629
0xBF, XX4, // mov edi,oshitona01.exe+24EEA0
0x8A, 0x17, // mov dl,[edi]
0x47, // inc edi
0x88, 0x16, // mov [esi],dl
0x46, // inc esi
0x84, 0xD2 // test dl,dl
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr)
return false;
HookParam hp = {};
hp.address = addr;
hp.offset = pusha_eax_off - 4;
hp.index = 0x38;
hp.filter_fun = Yuris6Filter;
hp.type = USING_STRING | NO_CONTEXT | DATA_INDIRECT;
ConsoleOutput("Textractor: INSERT YU-RIS 6");
NewHook(hp, "YU-RIS6");
return true;
}
bool InsertYuris7Hook()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/v45381
* https://vndb.org/v47458
* https://vndb.org/v21144
* https://vndb.org/v18681
*/
const BYTE bytes[] = {
0x03, 0xC1, // add eax,ecx
0x99, // cdq
0xE9, XX4 // jmp nekonin_spin.exe+55753 << hook here
};
enum { addr_offset = sizeof(bytes) - 5 };
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr)
return false;
HookParam hp = {};
hp.address = addr + addr_offset;
hp.offset = pusha_eax_off -4;
hp.index = 0;
hp.length_offset = 1; // only 1 character
hp.text_fun = [](DWORD esp_base, HookParam*, BYTE, DWORD*, DWORD*, DWORD* len)
{
*len = (retof(esp_base) == 0) ? 2 : 0;
};
hp.type = BIG_ENDIAN;
ConsoleOutput("vnreng: INSERT YU-RIS7");
NewHook(hp, "YU-RIS7");
return true;
}
bool InsertYuris8Hook()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/v47458
* https://vndb.org/v45381
*/
const BYTE bytes[] = {
0x57, // push edi << hook here
0x56, // push esi
0x55, // push ebp
0x53, // push ebx
0x83, 0xEC, 0x10, // sub esp,10
0x8B, 0x5C, 0x24, 0x24, // mov ebx,[esp+24]
0x8B, 0x15, XX4, // mov edx,[hajiron.exe+47243C]
0x8B, 0x0C, 0x9A, // mov ecx,[edx+ebx*4]
0xC6, 0x41, 0x01, 0x03, // mov byte ptr [ecx+01],03
0x8B, 0xC3, // mov eax,ebx
0xE8,XX4 // call hajiron.exe+54EA4
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr)
return false;
HookParam hp = {};
hp.address = addr;
hp.offset = pusha_edx_off -4;
hp.index = 0;
hp.text_fun = [](DWORD esp_base, HookParam*, BYTE, DWORD*, DWORD*, DWORD* len)
{
DWORD textLen = regof(eax,esp_base);
if ( textLen > 2)
return;
*len = (regof(edi,esp_base) >= 0xFA && regof(edi,esp_base) <= 0xFE || regof(edi,esp_base) >= 0x1A0 && regof(edi,esp_base) <= 0x1C2) ? textLen : 0;
};
hp.type = USING_STRING;
ConsoleOutput("vnreng: INSERT YU-RIS8");
NewHook(hp, "YU-RIS8");
return true;
}
//bool InsertYurisHook()
//{ return InsertYuris1Hook() || InsertYuris2Hook() || InsertYuris3Hook(); }
bool InsertYurisHook() bool InsertYurisHook()
{ return InsertYuris1Hook() || InsertYuris2Hook(); } {
bool ok = InsertYuris1Hook();
ok = InsertYuris2Hook() || ok;
ok = InsertYuris3Hook() || ok;
ok = InsertYuris4Hook() || ok;
ok = InsertYuris5Hook() || ok;
ok = InsertYuris6Hook() || ok;
ok = InsertYuris7Hook() || ok;
ok = InsertYuris8Hook() || ok;
return ok;
}
bool InsertCotophaHook1() bool InsertCotophaHook1()
{ {