关键词: 网络扫描, IPID隐蔽网络扫描, 原始套接字, 网络嗅探, 二分算法, 分块二分算法

Abstract: The theory of IPID(IP Identification) covert network scanning was introduced,then the design and implementation of IPID covert network scanning under the operation Windows was proposed.In order to improve the efficiency of scanning, the chunk binary algorithm was introduced, then its performance was analyzed and was compared with other algorithm. The results show that the chunk binary algorithm is a good algorithm of IPID covert scanning,and the correctness and speed of IPID covert scanning is decided by setting delay time between getting two IPID.

Key words: network scanning, IPID covert network scanning, socket, sniffer, binary algorithm, chunk binary algorithm