mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-11-23 22:05:36 +08:00
65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
#include "CMVS.h"
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namespace
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{
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bool EMbed()
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{
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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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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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{
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addr = MemDbg::findBytes(bytes, sizeof(bytes), addr + 1, processStopAddress);
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if (addr == 0)
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continue;
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auto f = MemDbg::findEnclosingAlignedFunction(addr);
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if (f == 0)
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continue;
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if (std::find(already.begin(), already.end(), f) != already.end())
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continue;
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already.push_back(f);
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}
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if (already.size())
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{
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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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{
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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)
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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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{
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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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} |