Protocol format automatic inference method and system based on relation inference
A protocol format and relational technology, applied in the field of automatic protocol format inference method and system based on relational reasoning, can solve problems such as modeling and incorrect results, and achieve high neural network efficiency, stable time consumption, and accurate protocol format inference Effect
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[0050] The workflow of this method can be divided into three stages, which are coarse-grained structure generation stage, relation learning stage and fine-grained structure generation stage. The input of the coarse-grained structure generation stage is the original network traffic. This stage will realize the rough format inference for each TCP / UDP payload according to the frequency of occurrence of the fixed-length byte tuple n-gram in the byte stream in all traffic. . In the relationship learning stage, the learnable parameters in the neural network will be trained based on the coarse-grained structure extracted in the previous stage, and the logical relationship between each n-gram in the coarse-grained structure will be learned. The fine-grained structure generation stage will use the relational model generated in the previous stage, map it to the original TCP / UDP payload, and deduce the protocol format of the corresponding message.
[0051] In the coarse-grained structur...
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