mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-10-23 07:28:16 +08:00
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
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#include"Jellyfish.h"
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bool Jellyfish_attach_function() {
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//https://vndb.org/r13456
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//GREEN～秋空のスクリーン～ STANDARD EDITION
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//https://vndb.org/r1136
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//LOVERS～恋に落ちたら…～
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auto ism=GetModuleHandle(L"ism.dll");
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if(ism==0)return false;
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auto [minaddr,maxaddr]=Util::QueryModuleLimits(ism);
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const BYTE bytes[] = {
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0x8a,XX,0x01, //mov cl, [ecx+1]
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0x80,XX,0x6e, //cmp cl, 6Eh ; 'n'
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0x75,XX,
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};
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ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), minaddr, maxaddr);
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if (addr == 0)return false;
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addr = MemDbg::findEnclosingAlignedFunction(addr,0x1000);
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if (addr == 0)return false;
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HookParam hp;
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hp.address = addr;
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hp.offset=get_stack(1);
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hp.type = USING_STRING;
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hp.filter_fun=[](LPVOID data, size_t *size, HookParam *){
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if(*size==2)return false;
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StringCharReplacer(reinterpret_cast<char*>(data), size, "\\n", 2, '\n');
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StringCharReplacer(reinterpret_cast<char*>(data), size, "\\N", 2, '\n');
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auto str=std::string(reinterpret_cast<char*>(data),*size);
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str = std::regex_replace(str, std::regex("\\\\[0-7a-zA-Z]"), "");
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*size = str.size() ;
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strcpy(reinterpret_cast<char*>(data), str.c_str());
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return true;
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};
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return NewHook(hp, "Jellyfish");
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}
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bool Jellyfish::attach_function(){
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return Jellyfish_attach_function();
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}
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