Lossless asset detection method for power monitoring system
A technology of power monitoring and detection methods, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as the power monitoring system affecting network load, and achieve the effects of improving accuracy, avoiding misjudgments, and improving scanning speed.
Active Publication Date: 2022-04-08
STATE GRID NINGXIA ELECTRIC POWER +2
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[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the scanning method in the prior art will affect the power monitoring system and the network load is large, thereby providing a non-destructive asset detection method for the power monitoring system
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[0026] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention discloses a lossless asset detection method for an electric power monitoring system. The method comprises the following steps: acquiring a target address; performing asynchronous stateless port scanning on the target address according to a pre-constructed first data packet and a pre-constructed second data packet; according to an asynchronous stateless port scanning result, establishing a surviving industrial control equipment database; and sending an asset information request data packet to any industrial control device according to the survived industrial control device database to obtain device asset information data. According to the lossless asset detection method for the power monitoring system, asynchronous stateless port scanning is performed through the TCP FIN + ACK data packet and the TCP RST data packet which are constructed in advance, the probability of being monitored by a firewall or an intrusion detection system can be effectively reduced, and normal service operation is not affected. Complete connection is not formed in the port detection process through the method, the connection state of each detection does not need to be maintained and tracked, the scanning speed is increased, and hidden scanning is achieved.
Description
technical field [0001] The invention relates to the technical field of electric power monitoring systems, in particular to a non-destructive asset detection method for electric power monitoring systems. Background technique [0002] The power monitoring system is a national key information infrastructure, which supports the automation of power system operation control and is a typical industrial control system. At present, cyber attacks have become a new type of weapon to destroy key national infrastructures such as electricity. Through cyberspace asset detection, potential security risks can be discovered in time to avoid being attacked by criminals. Therefore, equipment asset identification is of great significance to network security assessment and threat warning. However, in the existing risk detection technology, the scanning method adopts a non-destructive method, which has an uncontrollable impact on the security and stability of the power monitoring system and netw...
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IPC IPC(8): H04L9/40H04L47/125G06Q50/06
Inventor 张宏杰彭嘉宁郑铁军雍少华贺建伟张小建王齐
Owner STATE GRID NINGXIA ELECTRIC POWER