mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-25 12:44:13 +08:00
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
#include "CoffeeMaker.h"
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bool CoffeeMaker_attach_function()
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{
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// https://vndb.org/v4025
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// こころナビ
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const BYTE bytes[] = {
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0x81,0xF9,0xD4,0x2B,0x00,0x00,
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0x7F,XX,
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0xB8,0x5D,0x41,0x4C,0xAE,
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};
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auto addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
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if (!addr)
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return false;
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addr = MemDbg::findEnclosingAlignedFunction(addr, 0x10);
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if (!addr)
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return false;
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auto addrs = findxref_reverse_checkcallop(addr, addr - 0x1000, addr + 0x1000, 0xe8);
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if (addrs.size() != 1)
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return false;
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auto addr2 = addrs[0];
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addr2 = MemDbg::findEnclosingAlignedFunction(addr2, 0x40);
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if (!addr2)
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return false;
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HookParam hp;
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hp.address = addr2;
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hp.type = USING_CHAR | CODEC_ANSI_BE | NO_CONTEXT;
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hp.user_value = addr;
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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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{
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auto a2 = stack->stack[1];
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if (a2 > 0x2bd4)
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return;
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auto sub_429050 = (int(__stdcall *)(signed int a1))hp->user_value;
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*data = sub_429050(a2);
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static int idx = 0;
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*len = 2 * (idx % 2);
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idx += 1;
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};
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return NewHook(hp, "CoffeeMaker");
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}
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bool CoffeeMaker_attach_function2()
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{
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// https://vndb.org/v4025
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// こころナビ
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const BYTE bytes[] = {
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0x55,0x8B,0xEC,0x57,0x56,0x8B,0x75,0x0C,0x8B,0x4D,0x10,0x8B,0x7D,0x08,0x8B,0xC1,
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0x8B,0xD1,0x03,0xC6,0x3B,0xFE,0x76,0x08,0x3B,0xF8,0x0F,0x82,XX4,
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0xF7,0xC7,0x03,0x00,0x00,0x00,0x75,XX,0xC1,0xE9,0x02,0x83,0xE2,0x03,0x83,0xF9,0x08
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};
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auto addr = MemDbg::findBytes(bytes, sizeof(bytes), 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;
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hp.offset=get_stack(1);//get_reg(regs::ecx);//void *__cdecl memcpy(void *a1, const void *Src, size_t Size)
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hp.type = USING_STRING;
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hp.filter_fun=[](void* data, size_t* len, HookParam* hp){
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auto s=std::string((char*)data,*len);
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strReplace(s,R"(\w\w\w)","");
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return write_string_overwrite(data,len,s);
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};
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return NewHook(hp, "CoffeeMaker");
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}
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bool CoffeeMaker::attach_function()
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{
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return CoffeeMaker_attach_function2()||CoffeeMaker_attach_function();
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} |