Serial number identification method based on network messages

An identification method and network message technology, applied in the field of serial number identification, can solve problems such as low accuracy of serial number identification, and achieve the effect of avoiding numerical drift and improving accuracy

Active Publication Date: 2017-03-22
INST OF INFORMATION ENG CHINESE ACAD OF SCI
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Problems solved by technology

[0007] The present invention solves the problem of low accuracy of serial number identification through period identification and serial number verification methods

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  • Serial number identification method based on network messages
  • Serial number identification method based on network messages
  • Serial number identification method based on network messages

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Embodiment Construction

[0047] Aiming at the lack of accuracy of the traditional serial number identification technology, the present invention proposes a combination of periodic identification method and verification method, aiming at the serial number identification technology of the message, using the periodic difference change identification method based on hierarchical clustering and the re-identification method Authentication methods to improve the accuracy of serial number recognition.

[0048] Such as figure 1 As shown, in a normal message, there are three types of sequence numbers, and their lengths are 1 byte, 2 bytes and 4 bytes respectively. This identification scheme first identifies the 1-byte serial number, and then judges the existence of its high bits layer by layer, and then deduces the entire serial number field.

[0049] Such as figure 2 As shown, the overall process of the present invention is divided into four stages: message preprocessing; preliminary identification of seria...

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Abstract

The invention discloses a serial number identification method based on network messages. The method solves the problem with low accuracy for the identification of serial numbers through the periodical identification and serial number verification method. The method comprises the following steps: according to the monotonic principle a serial number presents periodically as well as the phenomenon that multiple message formats share a common serial number, conducting periodical division and determination to the data combined by a plurality of sets; and preventing multiple message formats from sharing a common serial number as well as from the influence of data value drifting and losing. The method of the invention can accomplish the rapid identification of serial numbers at high precision and can verify the identified serial numbers by preventing data value drifting and the mixing of a plurality of serial numbers as well as the influence on the serial number identification of the fact that a common serial number is shared by multiple message formats, therefore, ensuring the message classification and finite state machine deduction afterwards.

Description

technical field [0001] The invention belongs to the technical field of serial number identification, relates to a network message-based serial number identification method, and is especially suitable for the serial number identification of protocol reverse. Background technique [0002] With the rapid development of network and application technology in recent years, network attacks have increased sharply, and network security issues have become increasingly prominent. In order to resist network attacks and ensure network and equipment security, many security personnel have designed and developed many security measures, such as intrusion detection, protocol reuse, and fuzz testing. These security measures rely on the detailed specification of the protocol. However, most of the protocols on the network are private protocols and lack corresponding specification documents. Therefore, an efficient and accurate reverse engineering method has become an urgent need for security pe...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/801H04L12/833H04L29/06H04L47/31
CPCH04L47/17H04L47/31H04L63/0236H04L63/12H04L63/1408H04L63/30
Inventor 孙利民杨安石志强其他发明人请求不公开姓名
Owner INST OF INFORMATION ENG CHINESE ACAD OF SCI
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