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Game Object Manager? #40

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kkptm opened this issue Mar 2, 2025 · 2 comments
Open

Game Object Manager? #40

kkptm opened this issue Mar 2, 2025 · 2 comments

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@kkptm
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kkptm commented Mar 2, 2025

//经过测试应该适用大多数Unity游戏

ULONG64 GetGOM()
{
    ULONG64 addr = _UnityPlayer;
    ULONG64 end = _UnityPlayer + _UnityPlayer_ModuleSize;
    ULONG64 offset = 0;
    bool found = false;
    unsigned char tmp[0x1000];
    ULONG64 code_addr = 0;
    while (!found && end - offset > 0x1000)
    {
        mread_buffer((void*)tmp, addr + offset, 0x1000);
        auto p = FindPattern(tmp, "E8 ? ? ? ? 83 FF 03", 0x1000);
        if (p)
        {
            code_addr = ((ULONG64)p - (ULONG64)tmp) + offset;
            break;
        }
        offset += 0x1000;
    }
    printf("CODE_ADDR=[ 0x%x ]\n", code_addr);
    ULONG64 code_addr1 = mread<int>(_UnityPlayer + code_addr + 1) + (_UnityPlayer + code_addr + 5);
    printf("code_addr1=[ 0x%x ]\n", code_addr1);
    mread_buffer((void*)tmp, code_addr1, 0x100);
    for (int i = 0; i < 240; i++)
    {
        if (tmp[i] == 0x48 && tmp[i + 1] == 0x8B && tmp[i + 2] == 0x05)
        {
            int gom_offset = *(int*)&tmp[i + 3];
            ULONG64 gom = (code_addr1 + i + 7) + gom_offset;
            return gom;

        }
    }
    return NULL;
}
@kkptm
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kkptm commented Mar 2, 2025

Internal version:

UnityResolve::UnityType::Object* GetGOM(){
    uint8_t* tmp = (uint8_t*)FindPattern("UnityPlayer.dll", "48 89 ? 48 89 05 ? ? ? ? 48 83 C4");
    if (tmp){
		int _offset = *(int*)&tmp[6];
		BYTE* p = (BYTE*)tmp + 10 + _offset;
		return (UnityResolve::UnityType::Object*)p;
    }
    tmp = (uint8_t*)FindPattern("UnityPlayer.dll", "E8 ? ? ? ? 83 FF 03");
    if (tmp){
		uint8_t* code_addr = (uint8_t*)tmp + 5;
        code_addr += *(int*)(code_addr + 1);
        for (int i = 0; i < 240; i++){
            if (code_addr[i] == 0x48 && code_addr[i + 1] == 0x8B && code_addr[i + 2] == 0x05)
            {
                int gom_offset = *(int*)&code_addr[i + 3];
                uint8_t* gom = (code_addr + i + 7) + gom_offset;
                return(UnityResolve::UnityType::Object*)gom;

            }
        }
    }
    return NULL;
}

@kkptm
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kkptm commented Mar 2, 2025

	printf("GOM = %p\n", GameObjectManager = GetGOM());
        uint64_t GOM = *(uint64_t*)(GameObjectManager);
        auto obj_tmp = *(uint64_t*)(GOM + 0x28);
        auto obj_last = *(uint64_t*)(GOM + 0x20);
        while (!IsBadReadPtr((void*)obj_tmp,8))
        {
            uint64_t object_ptr = *(uint64_t*)(obj_tmp + 0x10);
            uint64_t object_name_ptr = *(uint64_t*)(object_ptr + 0x60);
            if (object_name_ptr)
                printf("%s\n", object_name_ptr);
            if (obj_tmp == obj_last)
                break;
            obj_tmp = *(uint64_t*)(obj_tmp + 0x8);
        }

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