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https://github.com/Artikash/Textractor.git
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Added Database extractor hook
This commit is contained in:
Jazzinghen
Akash Mozumdar
parent
681fc5b628
commit
79058c6811
@ -26,7 +26,6 @@
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#include "native/pchooks.h"
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//#include <boost/foreach.hpp>
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#include <cstdio>
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#include <sstream>
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#include <string>
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// jichi 375/2014: Add offset of pusha/pushad
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@ -6619,7 +6618,7 @@ bool InsertNitroplusHook()
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/**
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* Jazzinghen 23/05/2020: Add TokyoNecro hook
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*
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* [Nitroplus] 東京Necro 1.01
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* [Nitroplus] 東京Necro 1.01 - Text boxes hook
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*
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* Hook code: HS-14*8@B5420:TokyoNecro.exe
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*
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@ -6657,9 +6656,7 @@ bool InsertNitroplusHook()
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* TokyoNecro.exe+B5469 - 52 - push edx
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* TokyoNecro.exe+B546A - 8B F8 - mov edi,eax ▷ Search
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* TokyoNecro.exe+B546C - 8D 75 D8 - lea esi,[ebp-28] |
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* TokyoNecro.exe+B546F - E8 6CE1F4FF - call TokyoNecro.exe+35E0 |
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* TokyoNecro.exe+B5474 - C7 45 FC 00000000 - mov [ebp-04],00000000 |
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* TokyoNecro.exe+B547B - 8B 8B 84030000 - mov ecx,[ebx+00000384] ▷
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* TokyoNecro.exe+B546F - E8 6CE1F4FF - call TokyoNecro.exe+35E0 ▷
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*
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* Notes:
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*
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@ -6671,24 +6668,16 @@ bool InsertNitroplusHook()
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*
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* If the game is hooked right at the main menu it will also catch the real time clock
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* rendered there.
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*
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* There's a second hook that seems to be capturing the game encyclopedia plus
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* extra garbage (only when it is brought to screen): /HS4@B5380:tokyonecro.exe
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* https://wiki.anime-sharing.com/hgames/index.php?title=AGTH/H-Codes#More_H-Codes.5B74.5D
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*
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* I can confirm that that function is called consistently at every call of the
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* encyclopedia but I don't know what memory location is a positive number in
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* the hook code.
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*/
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bool InsertTokyoNecroHook() {
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namespace TokyoNecro {
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bool TextHook() {
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const BYTE bytecodes[] = {
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0x8B, 0xF8, // 8B F8 - mov edi,eax
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0x8D, 0x75, 0xD8, // 8D 75 D8 - lea esi,[ebp-28]
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0xE8, 0x6C, 0xE1, 0xF4, 0xFF, // E8 6CE1F4FF - call TokyoNecro.exe+35E0
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0xC7, 0x45, 0xFC, 0x00, 0x00, 0x00, 0x00, // C7 45 FC 00000000 - mov [ebp-04],00000000
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0x8B, 0x8B, 0x84, 0x03, 0x00, 0x00 // 8B 8B 84030000 - mov ecx,[ebx+00000384]
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};
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ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
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ULONG addr =
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@ -6705,15 +6694,10 @@ bool InsertTokyoNecroHook() {
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addr -= addr_offset;
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std::stringstream stream;
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stream << std::hex << addr;
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std::string debugOut = "vnreng: TokyoNecro. Hook address: " + stream.str();
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ConsoleOutput(debugOut.c_str());
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enum { push_ebp = 0x55 }; // OPCode for function begin
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constexpr BYTE push_ebp = 0x55; // OPCode for function begin
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if (*(BYTE *)addr != push_ebp) {
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// This should never happen
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ConsoleOutput("vnreng:TokyoNecro: beginning of the function not found");
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ConsoleOutput("vnreng:TokyoNecroText: beginning of the function not found");
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return false;
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}
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@ -6726,13 +6710,100 @@ bool InsertTokyoNecroHook() {
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// using the data in the registers
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hp.offset = 0x4;
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hp.type = USING_STRING;
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NewHook(hp, "TokyoNecro");
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NewHook(hp, "TokyoNecroText");
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ConsoleOutput("vnreng: INSERT TokyoNecro");
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ConsoleOutput("vnreng: INSERT TokyoNecroText");
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return true;
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}
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/**
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* [Nitroplus] 東京Necro 1.01 - Database/Encyclopedia hook
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*
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* Hook code: HS4*@B5380:tokyonecro.exe
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*
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* TokyoNecro.exe+B5380 - 55 - push ebp ; Location to hook
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* TokyoNecro.exe+B5381 - 8B EC - mov ebp,esp
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* TokyoNecro.exe+B5383 - 6A FF - push -01
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* TokyoNecro.exe+B5385 - 68 E8618E00 - push TokyoNecro.exe+1961E8
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* TokyoNecro.exe+B538A - 64 A1 00000000 - mov eax,fs:[00000000]
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* TokyoNecro.exe+B5390 - 50 - push eax
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* TokyoNecro.exe+B5391 - 64 89 25 00000000 - mov fs:[00000000],esp
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* TokyoNecro.exe+B5398 - 83 EC 1C - sub esp,1C
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* TokyoNecro.exe+B539B - 8B 55 08 - mov edx,[ebp+08]
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* TokyoNecro.exe+B539E - 53 - push ebx
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* TokyoNecro.exe+B539F - 56 - push esi
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* TokyoNecro.exe+B53A0 - 8B C2 - mov eax,edx
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* TokyoNecro.exe+B53A2 - 57 - push edi
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* TokyoNecro.exe+B53A3 - 8B D9 - mov ebx,ecx
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* TokyoNecro.exe+B53A5 - C7 45 EC 0F000000 - mov [ebp-14],0000000F
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* TokyoNecro.exe+B53AC - C7 45 E8 00000000 - mov [ebp-18],00000000
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* TokyoNecro.exe+B53B3 - C6 45 D8 00 - mov byte ptr [ebp-28],00
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* TokyoNecro.exe+B53B7 - 8D 70 01 - lea esi,[eax+01]
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* TokyoNecro.exe+B53BA - 8D 9B 00000000 - lea ebx,[ebx+00000000]
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* TokyoNecro.exe+B53C0 - 8A 08 - mov cl,[eax]
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* TokyoNecro.exe+B53C2 - 40 - inc eax
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* TokyoNecro.exe+B53C3 - 84 C9 - test cl,cl
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* TokyoNecro.exe+B53C5 - 75 F9 - jne TokyoNecro.exe+B53C0
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* TokyoNecro.exe+B53C7 - 2B C6 - sub eax,esi
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* TokyoNecro.exe+B53C9 - 52 - push edx
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* TokyoNecro.exe+B53CA - 8B F8 - mov edi,eax ▷ Search
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* TokyoNecro.exe+B53CC - 8D 75 D8 - lea esi,[ebp-28] |
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* TokyoNecro.exe+B53CF - E8 0CE2F4FF - call TokyoNecro.exe+35E0 ▷
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*
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*
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*/
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bool DatabaseHook()
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{
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const BYTE bytecodes[] = {
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0x8B, 0xF8, // 8B F8 - mov edi,eax
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0x8D, 0x75, 0xD8, // 8D 75 D8 - lea esi,[ebp-28]
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0xE8, 0x0C, 0xE2, 0xF4, 0xFF, // E8 6CE1F4FF - call TokyoNecro.exe+35E0
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};
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ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
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ULONG addr =
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MemDbg::findBytes(bytecodes, sizeof(bytecodes), processStartAddress,
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processStartAddress + range);
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constexpr ULONG addr_offset = 0xB53CA - 0xB5380; // Distance from memory TokyoNecro.exe+B546A to
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// TokyoNecro.exe+B5420
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if (addr == 0ull) {
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ConsoleOutput("vnreng:TokyoNecro: pattern not found");
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return false;
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}
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addr -= addr_offset;
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constexpr BYTE push_ebp = 0x55; // OPCode for function begin
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if (*(BYTE *)addr != push_ebp) {
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// This should never happen
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ConsoleOutput("vnreng:TokyoNecroDatabase: beginning of the function not found");
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return false;
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}
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HookParam hp = {};
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hp.address = addr;
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hp.offset = 0x4;
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hp.type = USING_STRING;
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NewHook(hp, "TokyoNecroDatabase");
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ConsoleOutput("vnreng: INSERT TokyoNecroDatabase");
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return true;
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}
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} // namespace TokyoNecro
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bool InsertTokyoNecroHook()
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{
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bool result = TokyoNecro::TextHook();
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result = TokyoNecro::DatabaseHook() || result;
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return result;
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}
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// jichi 6/21/2015
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namespace { // unnamed
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