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add tyranobuilder hook. performance optimization. improve airnovel hook
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@Artikash
Artikash committed Jul 16, 2018
1 parent 8e61570 commit 8a11cc9
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Showing 4 changed files with 93 additions and 21 deletions.
102 changes: 83 additions & 19 deletions vnr/vnrhook/src/engine/engine.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -10175,6 +10175,65 @@ bool InsertNexton1Hook()
return true;
}

/**
* Artikash 7/15/2018: Insert Tyranobuilder hook
* Sample game: https://vndb.org/v22252: /HWN-8:-1C@233A54:yuika_t.exe
Issue with hook: many garbage text threads. Maybe use another split?

yuika_t.v8::Locker::IsLocked+2B57 - 56 - push esi
yuika_t.v8::Locker::IsLocked+2B58 - 8B F3 - mov esi,ebx
yuika_t.v8::Locker::IsLocked+2B5A - 33 C0 - xor eax,eax
yuika_t.v8::Locker::IsLocked+2B5C - 2B F7 - sub esi,edi
yuika_t.v8::Locker::IsLocked+2B5E - 33 D2 - xor edx,edx
yuika_t.v8::Locker::IsLocked+2B60 - 46 - inc esi
yuika_t.v8::Locker::IsLocked+2B61 - D1 EE - shr esi,1
yuika_t.v8::Locker::IsLocked+2B63 - 3B FB - cmp edi,ebx
yuika_t.v8::Locker::IsLocked+2B65 - 0F47 F0 - cmova esi,eax
yuika_t.v8::Locker::IsLocked+2B68 - 85 F6 - test esi,esi
yuika_t.v8::Locker::IsLocked+2B6A - 74 15 - je yuika_t.v8::Locker::IsLocked+2B81
yuika_t.v8::Locker::IsLocked+2B6C - 8B 45 0C - mov eax,[ebp+0C]
yuika_t.v8::Locker::IsLocked+2B6F - 2B F8 - sub edi,eax
yuika_t.v8::Locker::IsLocked+2B71 - 66 8B 08 - mov cx,[eax]; Moves a wchar into ecx.
yuika_t.v8::Locker::IsLocked+2B74 - 8D 40 02 - lea eax,[eax+02]; Hook here!
yuika_t.v8::Locker::IsLocked+2B77 - 42 - inc edx
yuika_t.v8::Locker::IsLocked+2B78 - 66 89 4C 07 FE - mov [edi+eax-02],cx
yuika_t.v8::Locker::IsLocked+2B7D - 3B D6 - cmp edx,esi; esi holds string length. best split I can find but not ideal...
yuika_t.v8::Locker::IsLocked+2B7F - 72 F0 - jb yuika_t.v8::Locker::IsLocked+2B71
yuika_t.v8::Locker::IsLocked+2B81 - 5E - pop esi
yuika_t.v8::Locker::IsLocked+2B82 - 5F - pop edi
yuika_t.v8::Locker::IsLocked+2B83 - 5B - pop ebx
yuika_t.v8::Locker::IsLocked+2B84 - 5D - pop ebp
yuika_t.v8::Locker::IsLocked+2B85 - C3 - ret


*/
bool InsertTyranobuilderHook()
{
const BYTE bytes[] =
{
0x2b, 0xf8, // sub edi,edx
0x66, 0x8b, 0x08, // mov cx,[eax]
0x8d, 0x40, 0x02 // lea eax,[eax + 02]; Hook here!
};
DWORD addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
if (!addr)
{
ConsoleOutput("NextHooker: Tyranobuilder: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr + 5;
hp.type = USING_UNICODE | NO_CONTEXT | USING_SPLIT;
hp.length_offset = 1;
hp.offset = pusha_ecx_off - 4;
hp.split = pusha_esi_off - 4;
hp.index = 0x8;

ConsoleOutput("NextHooker: INSERT Tyranobuilder");
NewHook(hp, "Tyranobuilder");
return true;
}

/**
* jichi 9/16/2013: a-unicorn / gesen18
* See (CaoNiMaGeBi): http://tieba.baidu.com/p/2586681823
Expand Down Expand Up @@ -15969,8 +16028,9 @@ bool InsertAdobeAirHook()

/**
* Artikash 7/15/2018: Insert AIRNovel hook
* Sample game:
* https://vndb.org/v22252: /HQ-C@130380:Adobe AIR.dll <- produces a lot of garbage along with text, should be filtered
* Sample game: https://vndb.org/v22252: /HQ-8*8:-8*14@130380:Adobe AIR.dll
* When entering this function, ecx points to a struct containing a pointer to the text along with info about the type of text
* ecx+8 is the (w)char(_t)* we want, ecx+14 is the int* that tells apart text types.

Adobe AIR.dll+130300 - 55 - push ebp
Adobe AIR.dll+130301 - 8B EC - mov ebp,esp
Expand All @@ -15987,7 +16047,7 @@ Adobe AIR.dll+130325 - F3 0FE6 C0 - cvtdq2pd xmm0,xmm0
Adobe AIR.dll+130329 - 66 0F2F C8 - comisd xmm1,xmm0
Adobe AIR.dll+13032D - 73 21 - jae "Adobe AIR.dll"+130350 { ->Adobe AIR.dll+130350 }
Adobe AIR.dll+13032F - F2 0F11 4D F4 - movsd [ebp-0C],xmm1
Adobe AIR.dll+130334 - 33 D2 - xor edx,edx
Adobe AIR.dll+130334 - 33 D2 - xor edx,edx; Safe to hook here!
Adobe AIR.dll+130336 - 8B 45 F8 - mov eax,[ebp-08]
Adobe AIR.dll+130339 - 25 FFFFFF7F - and eax,7FFFFFFF { 2147483647 }
Adobe AIR.dll+13033E - 3D 0000F07F - cmp eax,7FF00000 { 2146435072 }
Expand All @@ -16010,11 +16070,11 @@ Adobe AIR.dll+13036B - C1 E8 02 - shr eax,02 { 2 }
Adobe AIR.dll+13036E - A8 01 - test al,01 { 1 }
Adobe AIR.dll+130370 - 75 05 - jne "Adobe AIR.dll"+130377 { ->Adobe AIR.dll+130377 }
Adobe AIR.dll+130372 - 8B 51 08 - mov edx,[ecx+08] // Address of text moved into edx here
Adobe AIR.dll+130375 - EB 09 - jmp "Adobe AIR.dll"+130380 { ->Adobe AIR.dll+130380 } // Unconditional jump to hook location
Adobe AIR.dll+130375 - EB 09 - jmp "Adobe AIR.dll"+130380 { ->Adobe AIR.dll+130380 }; Unconditional jump to hook location
Adobe AIR.dll+130377 - 8B 41 0C - mov eax,[ecx+0C]
Adobe AIR.dll+13037A - 8B 50 08 - mov edx,[eax+08]
Adobe AIR.dll+13037D - 03 51 08 - add edx,[ecx+08]
Adobe AIR.dll+130380 - F6 41 14 01 - test byte ptr [ecx+14],01 { 1 } // Hook here!
Adobe AIR.dll+130380 - F6 41 14 01 - test byte ptr [ecx+14],01 { 1 }; Hook here also works
Adobe AIR.dll+130384 - 8B 45 FC - mov eax,[ebp-04]
Adobe AIR.dll+130387 - 75 06 - jne "Adobe AIR.dll"+13038F { ->Adobe AIR.dll+13038F }
Adobe AIR.dll+130389 - 0FB6 04 10 - movzx eax,byte ptr [eax+edx]
Expand All @@ -16038,7 +16098,8 @@ bool InsertAIRNovelHook()
{
const BYTE bytes[] =
{
0xf6, 0x41, 0x14, 0x01 // test byte ptr [ecx+14], 01
0x33, 0xD2, //- xor edx,edx
0x8B, 0x45, 0xF8, //- mov eax,[ebp - 08]
};
DWORD addr = MemDbg::findBytes(bytes, sizeof(bytes), base, base + 0x200000); // Artikash 7/14/2018: Probably big enough
if (!addr)
Expand All @@ -16048,20 +16109,23 @@ bool InsertAIRNovelHook()
}
HookParam hp = {};
hp.address = addr;
hp.type = USING_UNICODE|USING_STRING|USING_SPLIT|SPLIT_INDIRECT|DATA_INDIRECT;
hp.length_offset = 0;
hp.type = USING_UNICODE|USING_STRING;
hp.offset = pusha_edx_off - 4;
hp.filter_fun = [](void* str, DWORD* len, HookParam* hp, BYTE index)
{
return *len < 4 &&
*(char*)str != '[' &&
*(char*)str != ';' &&
*(char*)str != '&' &&
*(char*)str != '*' &&
*(char*)str != '\n' &&
*(char*)str != '\t' &&
memcmp((char*)str, "app:/", 5);
};
hp.offset = pusha_ecx_off - 4;
hp.split = pusha_ecx_off - 4;
hp.index = 0x8;
hp.split_index = 0x14;
//hp.filter_fun = [](void* str, DWORD* len, HookParam* hp, BYTE index) // removes some of the garbage threads
//{
// return *len < 4 &&
// *(char*)str != '[' &&
// *(char*)str != ';' &&
// *(char*)str != '&' &&
// *(char*)str != '*' &&
// *(char*)str != '\n' &&
// *(char*)str != '\t' &&
// memcmp((char*)str, "app:/", 5);
//};

ConsoleOutput("NextHooker: INSERT AIRNovel");
NewHook(hp, "AIRNovel");
Expand Down
3 changes: 2 additions & 1 deletion vnr/vnrhook/src/engine/engine.h
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,7 @@ bool Insert5pbHook(); // 5pb.jp, PSP/PS3 games ported to PC
bool InsertAB2TryHook(); // Yane@AkabeiSoft2Try: YaneSDK.dll.
bool InsertAbelHook(); // Abel
bool InsertAdobeAirHook(); // Adobe AIR
bool InsertAIRNovelHook();
bool InsertAIRNovelHook(); // AIRNovel: *.swf
bool InsertAdobeFlash10Hook(); // Adobe Flash Player 10
bool InsertAliceHook(); // System40@AliceSoft; do not work for latest alice games
//bool InsertAmuseCraftHook(); // AMUSE CRAFT: *.pac
Expand Down Expand Up @@ -148,6 +148,7 @@ bool InsertTanukiHook(); // Tanuki: *.tak
bool InsertTaskforce2Hook(); // Taskforce2.exe
bool InsertTencoHook(); // Tenco: Check.mdx
bool InsertTriangleHook(); // Triangle: Execle.exe
bool InsertTyranobuilderHook(); // Tyranobuilder: has libuv
bool InsertUnicornHook(); // Gsen18: *.szs|Data/*.szs
bool InsertWillPlusHook(); // WillPlus: Rio.arc
bool InsertWolfHook(); // Wolf: Data.wolf
Expand Down
7 changes: 7 additions & 0 deletions vnr/vnrhook/src/engine/match.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -547,6 +547,13 @@ bool DetermineEngineOther()
return true;
}

// Artikash 7/16/2018: Uses libuv: likely Tyranobuilder - sample game https://vndb.org/v22975
if (GetProcAddress(GetModuleHandleW(nullptr), "uv_uptime"))
{
InsertTyranobuilderHook();
return true;
}

// jichi 8/24/2013: Move into functions
// Artikash 6/15/2018: Removed this detection for Abel Software games. IthGetFileInfo no longer works correctly
//static BYTE static_file_info[0x1000];
Expand Down
2 changes: 1 addition & 1 deletion vnr/vnrhook/src/pipe.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ extern HMODULE currentModule;

DWORD WINAPI PipeManager(LPVOID unused)
{
enum { STANDARD_WAIT = 1000 };
enum { STANDARD_WAIT = 50 };
while (::running)
{
DWORD count;
Expand Down

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