mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-10-23 07:28:16 +08:00
76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
#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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return write_string_overwrite(data,size,std::regex_replace(std::string(reinterpret_cast<char*>(data),*size), std::regex("\\\\[0-7a-zA-Z]"), ""));
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};
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return NewHook(hp, "Jellyfish");
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}
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bool Jellyfish_attach_function2() {
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//https://vndb.org/r109826
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//Sisters: Last Day of Summer
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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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0x68,0xB0,0x04,0x00,0x00,0x68,0x40,0x06,0x00,0x00
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};
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std::map<DWORD,int>count;
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DWORD maxa=0;int maxi=0;
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for(auto _:Util::SearchMemory(bytes,sizeof(bytes),PAGE_EXECUTE,minaddr,maxaddr)){
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_ = findfuncstart(_);
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if(_==0)continue;
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if(count.find(_)==count.end())
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count[_]=0;
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count[_]+=1;
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if(count[_]>=maxi){
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maxi=count[_];
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maxa=_;
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}
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}
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if (maxa == 0)return false;
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HookParam hp;
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hp.address = maxa;//0x2F2E1+(DWORD)ism;
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hp.type =USING_CHAR|CODEC_UTF16;
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hp.text_fun=[](hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len){
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if(stack->ARG3==3)return;
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*split=(stack->ARG3)!=0;//多行文本
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*data=stack->ARG1;
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*len=2;
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//不可以快进，否则会有重复
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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()||Jellyfish_attach_function2();
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} |