get ntoskrnl base address

        inline uintptr_t get_kernel_base( ) { // @credits: https://www.unknowncheats.me/forum/3238153-post14.html
            uintptr_t idt_base = *reinterpret_cast< uintptr_t* >( __readgsqword( 0x18 ) + 0x38 );
            uintptr_t base_addr = *reinterpret_cast< uintptr_t* >( reinterpret_cast< uint8_t* >( idt_base ) + 4 ) & 0xFFFFFFFFFFFFF000;

        start:
            uintptr_t index = 0;

            while ( true ) {
                if ( *reinterpret_cast< uint8_t* >( base_addr + index ) == 0x48 &&
                     *reinterpret_cast< uint8_t* >( base_addr + index + 1 ) == 0x8D &&
                     *reinterpret_cast< uint8_t* >( base_addr + index + 2 ) == 0x1D &&
                     *reinterpret_cast< uint8_t* >( base_addr + index + 6 ) == 0xFF ) { // 48 8D 1D ?? ?? ?? FF

                    uint32_t offset = *reinterpret_cast< uint32_t* >( base_addr + index + 3 );

                    if ( ( ( static_cast< uint16_t >( base_addr ) + static_cast< uint16_t >( index ) + static_cast< uint16_t >( offset ) + 7 ) & 0xFFF ) == 0 )
                        return base_addr & 0xFFFFFFFF00000000 | static_cast< unsigned int >( index + base_addr + offset + 7 );
                }

                if ( ++index == 4089 ) {
                    base_addr -= 0x1000;
                    goto start;
                }
            }

            return 0x0;
        }