基于文法推斷的協(xié)議逆向工程
[Abstract]:In order to understand the various application processes in the network, and then to classify, identify, track and control these applications automatically, we must first obtain the state machine which represents the session process of these applications. Therefore, a new method is proposed to push back the protocol state machine from the collected application layer data. It uses the grammar inference method based on error correction to reverse engineer its protocol state machine by using the identifier state sequence which appears in the process of application layer protocol interaction. In order to fully mine and give full play to the performance of error correction, the optimal path matching criterion is proposed to determine the correction path, and the method of distinguishing anomaly entry and pruning based on probability statistics is proposed. The state expansion problem is solved by state merging and protocol structure simplification with similar behavior meaning, and the most concise protocol state machine is obtained. The effectiveness of the proposed method is verified by experiments in practical networks with multiple application layer protocols.
【作者單位】: 中山大學(xué)信息科學(xué)與技術(shù)學(xué)院;仲愷農(nóng)業(yè)工程學(xué)院信息科學(xué)與技術(shù)學(xué)院;
【基金】:國家“八六三”高技術(shù)研究發(fā)展計(jì)劃基金項(xiàng)目(2007AA01Z449) 國家自然科學(xué)基金-廣東聯(lián)合基金重點(diǎn)項(xiàng)目(U0735002);國家自然科學(xué)基金項(xiàng)目(60970146,61202271)
【分類號】:TP393.08
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