Detection method for encrypted traffic of confused KCP protocol
A detection method and technology for mixing traffic, applied in transmission systems, electrical components, etc., can solve the problems of inability to confuse KCP protocol traffic identification, inability to meet the supervision needs of network regulators, etc., and achieve the effect of resisting unstable factors
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[0015] The present invention is directed to a detection method for an encrypted proxy channel of an obfuscated KCP protocol, which specifically includes the following steps:
[0016] Step 1: Based on the libpcap network library, the UDP mixed traffic is divided according to the source address, destination address, source port, destination port, protocol quintuple and time information, and the UDP data flow information after the division is obtained and sent to the cache one by one. queue.
[0017] Step 2: Read the UDP traffic information of the cache queue one by one, extract the data payload packet load information, and identify the masquerading application type; extract the data packet payload information, filter the application protocol field, extract the 1-22 bytes payload information after the masquerading layer, and detect the KCP Protocol normative, if it does not conform to the KCP protocol format, further identify whether the payload content is the obfuscated KCP prot...
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