mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-11-23 22:05:36 +08:00
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
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#include"CMVS.h"
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namespace{
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bool EMbed(){
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//有多个，但是只有最后一个是有效的
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const uint8_t bytes[] = {
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0xB8,0x42,0x81,0x00,0x00,
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0x66,XX2,0x74,XX,
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0xB8,0x76,0x81,0x00,0x00,
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0x66,XX2,0x74,XX,
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0xB8,0x78,0x81,0x00,0x00,
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0x66,XX2,0x74,XX,
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};
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bool res=false;
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auto addr=processStartAddress;
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std::vector<uintptr_t>already;
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while(addr){
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addr = MemDbg::findBytes(bytes,sizeof(bytes),addr+1,processStopAddress);
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if(addr==0)continue;
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auto f = MemDbg::findEnclosingAlignedFunction(addr);
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if(f==0)continue;
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if(std::find(already.begin(),already.end(),f)!=already.end())continue;
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already.push_back(f);
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}
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if(already.size()){
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HookParam hp;
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hp.address = already.back() ;
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hp.offset=get_reg(regs::rdx);
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hp.type=EMBED_ABLE|USING_STRING|EMBED_BEFORE_SIMPLE|EMBED_AFTER_NEW|EMBED_DYNA_SJIS;
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hp.hook_font=F_GetGlyphOutlineA;
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res|=NewHook(hp, "EmbedCMVS");
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}
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return res;
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}
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bool CMVSh() {
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DWORD align = 0xCCCCCCCC;
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auto addr = MemDbg::findCallerAddress((uintptr_t)::GetGlyphOutlineA, align, processStartAddress, processStopAddress);
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if (!addr) return false;
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HookParam hp;
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hp.address = addr+4;
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hp.offset=get_reg(regs::r8);
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hp.type = CODEC_ANSI_BE;
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return NewHook(hp, "CMVS");
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}
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}
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bool CMVS::attach_function(){
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bool b1=CMVSh();
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bool b2=EMbed();
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return b1||b2;
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}
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