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https://github.com/Artikash/Textractor.git
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readd mono hook
This commit is contained in:
Akash Mozumdar
parent
60be482634
commit
0ea99ed732
@ -16633,6 +16633,89 @@ bool InsertRenpyHook()
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return true;
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}
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/**
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* jichi 4/21/2014: Mono (Unity3D)
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* See (ok123): http://sakuradite.com/topic/214
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* Pattern: 33DB66390175
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*
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* FIXME: This approach won't work before mono is loaded into the memory.
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*
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* Example: /HWN-8*0:3C@ mono.dll search 33DB66390175
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* - length_offset: 1
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* - module: 1690566707 = 0x64c40033
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* - off: 4294967284 = 0xfffffff4 = -0xc
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* - split: 60 = 0x3c
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* - type: 1114 = 0x45a
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*
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* Function starts:
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* 1003b818 /$ 55 push ebp
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* 1003b819 |. 8bec mov ebp,esp
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* 1003b81b |. 51 push ecx
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* 1003b81c |. 807d 10 00 cmp byte ptr ss:[ebp+0x10],0x0
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* 1003b820 |. 8b50 08 mov edx,dword ptr ds:[eax+0x8]
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* 1003b823 |. 53 push ebx
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* 1003b824 |. 8b5d 08 mov ebx,dword ptr ss:[ebp+0x8]
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* 1003b827 |. 56 push esi
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* 1003b828 |. 8b75 0c mov esi,dword ptr ss:[ebp+0xc]
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* 1003b82b |. 57 push edi
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* 1003b82c |. 8d78 0c lea edi,dword ptr ds:[eax+0xc]
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* 1003b82f |. 897d 08 mov dword ptr ss:[ebp+0x8],edi
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* 1003b832 |. 74 44 je short mono.1003b878
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* 1003b834 |. 2bf2 sub esi,edx
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* 1003b836 |. 03f1 add esi,ecx
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* 1003b838 |. 894d 10 mov dword ptr ss:[ebp+0x10],ecx
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* 1003b83b |. 8975 08 mov dword ptr ss:[ebp+0x8],esi
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* 1003b83e |. 3bce cmp ecx,esi
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* 1003b840 |. 7f 67 jg short mono.1003b8a9
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* 1003b842 |. 8d4c4b 0c lea ecx,dword ptr ds:[ebx+ecx*2+0xc]
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* 1003b846 |> 0fb707 /movzx eax,word ptr ds:[edi]
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* 1003b849 |. 33db |xor ebx,ebx ; jichi hook here
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* 1003b84b |. 66:3901 |cmp word ptr ds:[ecx],ax
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* 1003b84e |. 75 16 |jnz short mono.1003b866
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* 1003b850 |. 8bf1 |mov esi,ecx
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* 1003b852 |> 43 |/inc ebx
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* 1003b853 |. 83c6 02 ||add esi,0x2
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* 1003b856 |. 3bda ||cmp ebx,edx
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* 1003b858 |. 74 19 ||je short mono.1003b873
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* 1003b85a |. 66:8b06 ||mov ax,word ptr ds:[esi]
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* 1003b85d |. 66:3b045f ||cmp ax,word ptr ds:[edi+ebx*2]
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* 1003b861 |.^74 ef |\je short mono.1003b852
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* 1003b863 |. 8b75 08 |mov esi,dword ptr ss:[ebp+0x8]
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* 1003b866 |> ff45 10 |inc dword ptr ss:[ebp+0x10]
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* 1003b869 |. 83c1 02 |add ecx,0x2
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* 1003b86c |. 3975 10 |cmp dword ptr ss:[ebp+0x10],esi
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* 1003b86f |.^7e d5 \jle short mono.1003b846
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*/
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bool InsertMonoHook()
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{
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// Instruction pattern: 90FF503C83C4208B45EC
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const BYTE ins[] = {
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0x33,0xdb, // 1003b849 |. 33db |xor ebx,ebx ; jichi hook here
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0x66,0x39,0x01, // 1003b84b |. 66:3901 |cmp word ptr ds:[ecx],ax
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0x75 //,0x16 // 1003b84e |. 75 16 |jnz short mono.1003b866
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};
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bool found = false;
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for (auto addr : Util::SearchMemory(ins, sizeof(ins)/*,PAGE_EXECUTE_READWRITE*/))
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{
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HookParam hp = {};
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hp.address = addr;
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//hp.module = module;
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hp.length_offset = 1;
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hp.offset = -0xc;
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hp.split = 0x3c;
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//hp.type = NO_CONTEXT|USING_SPLIT|MODULE_OFFSET|USING_UNICODE|DATA_INDIRECT; // 0x45a;
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hp.type = NO_CONTEXT | USING_SPLIT | USING_UNICODE | DATA_INDIRECT;
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ConsoleOutput("vnreng: INSERT Mono");
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NewHook(hp, "Mono");
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found = true;
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}
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if (!found) ConsoleOutput("vnreng:Mono: pattern not found");
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return found;
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}
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/** jichi 12/26/2014 Mono
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* Sample game: [141226] ハ<EFBFBD>レ<EFBFBD>めいと
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*/
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@ -16670,7 +16753,8 @@ bool InsertMonoHooks()
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if (!h)
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return false;
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InsertBaldrHook(); //Artikash 8/28/2018: insert for all mono games: maybe itll work for more than baldr sky zero?
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InsertBaldrHook(); // Artikash 8/28/2018: insert for all mono games: maybe itll work for more than baldr sky zero?
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InsertMonoHook(); // Artikash 10/20/2018: dunno why this was removed, works for some stuff so readd
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bool ret = false;
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// mono_unichar2* mono_string_to_utf16 (MonoString *s);
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@ -21613,112 +21697,3 @@ bool InsertAlchemist3PSPHook()
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return addr;
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}
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#endif // 0
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#if 0 // jichi 4/21/2014: Disabled as this does not work before mono.dll is loaded
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static HMODULE WaitForModuleReady(const char *name, int retryCount = 100, int sleepInterval = 100) // retry for 10 seconds
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{
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for (int i = 0; i < retryCount; i++) {
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if (HMODULE h = ::GetModuleHandleA(name))
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return h;
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::Sleep(sleepInterval);
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}
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return nullptr;
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}
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/**
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* jichi 4/21/2014: Mono (Unity3D)
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* See (ok123): http://sakuradite.com/topic/214
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* Pattern: 33DB66390175
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*
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* FIXME: This approach won't work before mono is loaded into the memory.
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*
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* Example: /HWN-8*0:3C@ mono.dll search 33DB66390175
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* - length_offset: 1
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* - module: 1690566707 = 0x64c40033
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* - off: 4294967284 = 0xfffffff4 = -0xc
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* - split: 60 = 0x3c
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* - type: 1114 = 0x45a
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*
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* Function starts:
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* 1003b818 /$ 55 push ebp
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* 1003b819 |. 8bec mov ebp,esp
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* 1003b81b |. 51 push ecx
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* 1003b81c |. 807d 10 00 cmp byte ptr ss:[ebp+0x10],0x0
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* 1003b820 |. 8b50 08 mov edx,dword ptr ds:[eax+0x8]
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* 1003b823 |. 53 push ebx
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* 1003b824 |. 8b5d 08 mov ebx,dword ptr ss:[ebp+0x8]
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* 1003b827 |. 56 push esi
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* 1003b828 |. 8b75 0c mov esi,dword ptr ss:[ebp+0xc]
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* 1003b82b |. 57 push edi
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* 1003b82c |. 8d78 0c lea edi,dword ptr ds:[eax+0xc]
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* 1003b82f |. 897d 08 mov dword ptr ss:[ebp+0x8],edi
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* 1003b832 |. 74 44 je short mono.1003b878
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* 1003b834 |. 2bf2 sub esi,edx
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* 1003b836 |. 03f1 add esi,ecx
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* 1003b838 |. 894d 10 mov dword ptr ss:[ebp+0x10],ecx
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* 1003b83b |. 8975 08 mov dword ptr ss:[ebp+0x8],esi
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* 1003b83e |. 3bce cmp ecx,esi
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* 1003b840 |. 7f 67 jg short mono.1003b8a9
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* 1003b842 |. 8d4c4b 0c lea ecx,dword ptr ds:[ebx+ecx*2+0xc]
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* 1003b846 |> 0fb707 /movzx eax,word ptr ds:[edi]
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* 1003b849 |. 33db |xor ebx,ebx ; jichi hook here
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* 1003b84b |. 66:3901 |cmp word ptr ds:[ecx],ax
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* 1003b84e |. 75 16 |jnz short mono.1003b866
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* 1003b850 |. 8bf1 |mov esi,ecx
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* 1003b852 |> 43 |/inc ebx
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* 1003b853 |. 83c6 02 ||add esi,0x2
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* 1003b856 |. 3bda ||cmp ebx,edx
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* 1003b858 |. 74 19 ||je short mono.1003b873
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* 1003b85a |. 66:8b06 ||mov ax,word ptr ds:[esi]
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* 1003b85d |. 66:3b045f ||cmp ax,word ptr ds:[edi+ebx*2]
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* 1003b861 |.^74 ef |\je short mono.1003b852
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* 1003b863 |. 8b75 08 |mov esi,dword ptr ss:[ebp+0x8]
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* 1003b866 |> ff45 10 |inc dword ptr ss:[ebp+0x10]
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* 1003b869 |. 83c1 02 |add ecx,0x2
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* 1003b86c |. 3975 10 |cmp dword ptr ss:[ebp+0x10],esi
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* 1003b86f |.^7e d5 \jle short mono.1003b846
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*/
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bool InsertMonoHook()
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{
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enum { module = 0x64c40033 }; // hash of "mono.dll"
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DWORD base = Util::FindModuleBase(module);
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if (!base && WaitForModuleReady("mono.dll"))
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base = Util::FindModuleBase(module);
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if (!base) {
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ConsoleOutput("vnreng:Mono: module not found");
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return false;
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}
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// Instruction pattern: 90FF503C83C4208B45EC
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const BYTE ins[] = {
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0x33,0xdb, // 1003b849 |. 33db |xor ebx,ebx ; jichi hook here
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0x66,0x39,0x01, // 1003b84b |. 66:3901 |cmp word ptr ds:[ecx],ax
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0x75 //,0x16 // 1003b84e |. 75 16 |jnz short mono.1003b866
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};
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enum { addr_offset = 0 }; // no offset
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enum { range = 0x50000 }; // larger than relative addresses = 0x3b849
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ULONG reladdr = SearchPattern(base, range, ins, sizeof(ins));
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//reladdr = 0x3b849;
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GROWL(reladdr);
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if (!reladdr) {
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ConsoleOutput("vnreng:Mono: pattern not found");
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return false;
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}
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HookParam hp = {};
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hp.address = base + reladdr + addr_offset;
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//hp.module = module;
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hp.length_offset = 1;
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hp.offset = -0xc;
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hp.split = 0x3c;
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//hp.type = NO_CONTEXT|USING_SPLIT|MODULE_OFFSET|USING_UNICODE|DATA_INDIRECT; // 0x45a;
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hp.type = NO_CONTEXT|USING_SPLIT|USING_UNICODE|DATA_INDIRECT;
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ConsoleOutput("vnreng: INSERT Mono");
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NewHook(hp, "Mono");
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return true;
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}
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#endif // 0
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