辅助扫描技术（操作系统类型、活动主机探测、远程主机NetBIOS信息探测、伪IP干扰）-Assisted scanning technology (operating system type, event host detection, detection of remote host NetBIOS information, pseudo-IP interference)

行列式键盘检测 输入： 用户按键事件 输出：存放用户输入的键值-Determinant keyboard detection Input: user key event Output: storing the user input keys