Abstract:At present, the research of replication nodes attacks in wireless sensor networks mainly focus on the detection of replication nodes in static network.In ordinarily WSNs applications, nodes deployed in a certain area forming a static network to gather information, in order to reduce inter-node communications ,so as to reduce energy consumption, a few of nodes form a cluster, each cluster elect cluster head node as an out-cluster communication. When information collecting task is completed, the sink node collect its cluster information. Sink node in the process of collecting information can act as mobile node and joins to the network. If the mobile information collecting nodes is replication nodes, it would be more dangerous than the replication nodes in the static network, so the research of mobile replication nodes detection is necessary. On the basis of analysis existing mobile network detection method,full consideration of static network clustering feature and mobile node position constantly changing, a mobile replication nodes detection method based on Challenge/Response and Collaborative Detection Scheme(CRCDS) is proposed in this study, in which effective use the static network storage space, take a strategy of static networks and mobile replication nodes mutual cooperation,to avoid the affect of detection probability due to position changes of the mobile nodes,the theoretical analysis and the experimental results show its safety and feasibility.