mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-05 03:25:37 +08:00
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
#include"Sprite.h"
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bool Sprite_attach_function() {
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//恋と選挙とチョコレート
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auto m=GetModuleHandle(L"dirapi.dll");
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auto [minAddress, maxAddress] = Util::QueryModuleLimits(m);
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const BYTE bytes[] = {
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0x83,0xF8,0x40,
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0x74,XX,
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0x83,0xF8,0x43,
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0x74,XX,
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0x83,XX,0xFF,
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0xEB,XX,
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0x8D,0x45,0xF8,
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XX,
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XX,
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XX,
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//+20
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0xE8,XX4,
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0x89,0x45,0xF0,
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0x8D,0x45,0xF4,
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0x50,
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XX,
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0xE8,XX4
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};
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auto addr = MemDbg::findBytes(bytes, sizeof(bytes), minAddress, maxAddress);
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if(addr==0)return false;
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if(((*(int*)(addr+22))+addr+22)!=((*(int*)(addr+35))+addr+35))return false;
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HookParam hp;
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hp.address = addr+sizeof(bytes);
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hp.offset=get_reg(regs::eax);
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hp.type = USING_STRING;
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return NewHook(hp, "Sprite");
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}
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namespace{
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bool _h1(){
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//https://vndb.org/v1714
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//[Selen]はらみこ
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auto FlashAssetx32=GetModuleHandleW(L"Flash Asset.x32");
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if(FlashAssetx32==0)return false;
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auto [s,e]=Util::QueryModuleLimits(FlashAssetx32);
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const BYTE bytes[] = {
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0x56,0x57,0x6a,0xff,
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0xff,0x75,0x08,//ebp+8
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0x53,
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0x68,0xe4,0x04,0x00,0x00,
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0xff,0x15,XX4//MultiByteToWideChar
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};
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auto addr = MemDbg::findBytes(bytes, sizeof(bytes), s, e);
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if(addr==0)return false;
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HookParam hp;
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hp.address = addr+sizeof(bytes);//不知道从哪jump到call MultiByteToWideChar的
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hp.offset=get_stack(5);
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hp.type = USING_STRING;
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hp.filter_fun=[](LPVOID data, size_t *size, HookParam *)->bool
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{
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static int idx=0;
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return (idx++)%2;
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};
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return NewHook(hp, "Flash Asset");
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}
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bool _h2(){
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auto TextXtra=GetModuleHandleW(L"TextXtra.x32");
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if(TextXtra==0)return false;
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auto [s,e]=Util::QueryModuleLimits(TextXtra);
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const BYTE bytes[] = {
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0xff,0x75,0x18,
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0x8d,0x88,0xb8,0x00,0x00,0x00,
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0xff,0x75,0x14,
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0xff,0x75,0x10,
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0xff,0x75,0x0c,
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0xe8,XX4,
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0x66,0x85,0xc0,
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0x74
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};
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auto addr = MemDbg::findBytes(bytes, sizeof(bytes), s, e);
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if(addr==0)return false;
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addr=findfuncstart(addr,0x100);
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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(2);
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hp.type = USING_STRING|CODEC_UTF8|EMBED_ABLE|EMBED_AFTER_NEW|EMBED_BEFORE_SIMPLE;
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return NewHook(hp, "TextXtra");
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}
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}
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bool Sprite::attach_function() {
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return Sprite_attach_function()|_h1()|_h2();
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} |