基于PSO-SVM的Modbus TCP通讯的异常检测方法
2014
To detect and defend industry virus attacks to application layer protocol data is difficult issues in study of industrial security gateway .In this paper ,a data pre-processing method is presented ,which can convert Modbus TCP traffic into anomaly de-tection model ,and a PSO-SVM algorithm is designed ,which optimizes parameters by advanced Particle Swarm Optimization (PSO) algorithm .The method identifies anomalies of Modbus TCP traffic according to appear frequencies of the mode short sequence of Modbus function code sequence .Finally ,experimental data analysis shows that the proposed method can effectively detect abnormal of Modbus function code sequence .
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