CN105553973A - System and method for detecting industrial control equipment abnormality - Google Patents
System and method for detecting industrial control equipment abnormality Download PDFInfo
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- CN105553973A CN105553973A CN201510925608.XA CN201510925608A CN105553973A CN 105553973 A CN105553973 A CN 105553973A CN 201510925608 A CN201510925608 A CN 201510925608A CN 105553973 A CN105553973 A CN 105553973A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1433—Vulnerability analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/18—Protocol analysers
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
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- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Programmable Controllers (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The present invention discloses a system and method for detecting an industrial control equipment abnormality. The system comprises a control board, a programmable controller, an industrial control protocol analyzing and processing unit, an industrial control system monitor, and a system log record storage unit. The method comprises the following steps that: (1) the control board, the programmable controller, and the industrial control protocol analyzing and processing unit are connected to the input and output ports of external detected equipment through external interfaces; (2) the scanning analysis and detection of the external detected equipment is carried out actively after the detection command of the central processor of the control board is received, (3) the input of scanning is carried out; (4) the output of a module is carried out; and (5) the control board is used for scheduling a programmable controller, an industrial control protocol analyzing and processing unit and the industrial control system monitor to carry out communication. The system and method have the advantages of multiple functions, multiple support protocols, the function of carrying out real-time delay on a detection result, and the testing and recording of a detection log at any time.
Description
Technical field
The present invention relates to a kind of System and method for detecting industrial control equipment exception, belong to technical field of industrial control.
Background technology
At present, industrial control system network security is concerning industrial production operation, economic security of the country and people life property safety.At present, the industrial control system of traditional data acquisition and monitoring (SCADA), dcs (DCS), Process Control System (PCS), programmable logic controller (PLC) (PLC) is widely used in industry, the energy, traffic, water conservancy and municipal field, for the operation of production control equipment.But because the manufacturer producing these control appliances is different, the industrial control protocols that communication adopts is different, the different many reasons of emphasis of control appliance Earlier designs, cause in industrial control system and there are some logic flaws that are functional or fail safe, these just constitute the leak of industrial control system, once some more serious leak victim finds, just likely utilized by it, access or destruction industrial control system in undelegated situation.
Such as, application number is the startup that patent discloses a kind of industrial control equipment human-computer interaction interface and the data entry method of CN201310648081.1.The method comprises: choose an alternative human-computer interaction interface as current human-computer interaction interface, sends startup interface signal to industrial control equipment; Industrial control equipment determines the y direction pixel count of current human-computer interaction interface, control and each control location; Industrial control equipment determines the page quantity shown needed for current human-computer interaction interface, homepage is shown as current display page; Judge whether to receive page layout switch order, switch current display page, otherwise: judge whether the data receiving typing, be, determine the control receiving these data, and then these data are presented on its control be logged, and it correspondingly with the title of this control is preserved.
Such as, application number be CN201210466473.1 patent discloses a kind of based on cloud backup industrial control equipment automatic recovery system, comprise industrial control equipment, data transmission module and cloud server.Described industrial control equipment is connected with described cloud server by described data transmission module.Present invention also offers a kind of operation method of the industrial control equipment automatic recovery system based on cloud backup, comprising: the data in industrial control equipment and working procedure are backuped in every platform cloud server.When industrial control equipment breaks down and shuts down, select a cloud server to send data and working procedure to industrial control equipment, industrial control equipment is resumed work.
Such as, application number be CN201510404823.5 patent discloses a kind of industrial control equipment debug system and method, belong to industrial technical field.Described industrial control equipment debug system comprises industrial control equipment, transfer communication equipment and remote controller; Described transfer communication equipment keeps communicating to connect with described industrial control equipment and described remote controller respectively, for after the parameter testing information receiving the transmission of described remote controller, described parameter testing information is forwarded to described industrial control equipment.The present invention is by adding transfer communication equipment to the industrial control equipment in adverse circumstances, then issue the order of the parameter of amendment industrial control equipment to this transfer communication equipment by remote controller, and then by transfer communication equipment, the order of the parameter of amendment industrial control equipment is issued to industrial control equipment.
In sum, find prior to malicious attacker and analyze industrial control system security breaches, developing corresponding Preservation tactics for leak in time, effectively can reduce the threat from external network.At present, relative to hacker, also there is very large leak in the safety of industry control network, also do not have the developing instrument of the testing cassete that can be effectively correlated with for link each in leak life cycle at present and can carry out excavating to industry control leak to detect and the correlation technique of simulated strike.
Summary of the invention
The object of the present invention is to provide a kind of System and method for that can overcome the detection industrial control equipment exception of above-mentioned technical problem, because industrial control system is in During Process of Long-term Operation, hardware device may occur aging, may be there is leak or suffer external intrusion or destruction in systems soft ware, thus it is abnormal to cause equipment to occur.This situation is by serious threat industrial control product safety.For avoiding security incident, protection industrial control system safety, reduces the loss, predicts and pinpoint the problems.
A kind of system detecting industrial control equipment exception of the present invention comprises: control mainboard, Programmable Logic Controller, industry control protocal analysis processing unit, industrial control system monitor, system journal record storage unit.Described control mainboard comprises interconnective central processing unit, network control chip; Described industry control protocal analysis processing unit comprises interconnective protocol processes chip, external protocol handling interface; Described system journal record storage unit comprises connected record analysis chip and storage hard disk.The central processing unit of described control mainboard is connected with Programmable Logic Controller, industry control protocal analysis processing unit, industrial control system monitor, system journal record storage unit respectively.
The input of the external tested external equipment of described Programmable Logic Controller energy, also can output signal to tested external equipment simultaneously; Described industry control protocal analysis processing unit is drawn sniffing interface and is carried out protocal analysis to tested external equipment; Described industrial control system monitor can show result of detection in real time, and can carry out early warning and warning to result of detection; Described system journal record storage unit can record situation about having detected, storage report.
A kind of method detecting industrial control equipment exception of the present invention comprises the following steps:
(1) the control mainboard described in, Programmable Logic Controller, industry control protocal analysis processing unit connect the input/output port of tested external equipment respectively by external interface, and described input/output port is scanned, described input/output port is also referred to as port to be measured.
Described control mainboard is connected with tested external equipment by the network interface of described network control chip; Programmable Logic Controller is connected with tested external equipment by external terminal; Industry control protocal analysis processing unit is connected with tested external equipment by industrial transmission cable.Above outer-type is different, also each different for detection agreement, combines mutually and arrange in pairs or groups according to specific requirement and field condition.
(2) the above Programmable Logic Controller, industry control protocal analysis processing unit, system journal record storage unit are referred to as scanning analysis system, and described scanning analysis system can initiatively carry out scanning analysis and detection to outside equipment under test and result be sent to the central processing unit of described control mainboard after the probe command of central processing unit receiving described control mainboard.
(3) input scanned: the request command of outside equipment under test input comprises the protocol type of scanning, the scope of scanning, and the target of scanning.
(4) output of module: after the port to be measured scanning outside equipment under test, described scanning analysis system can send to the information of the TCP to be measured to tested external equipment the central processing unit of described control mainboard.The information sent comprises protocol type and port numbers.
(5) described control mainboard is used for execution cost Programmable Logic Controller, industry control protocal analysis processing unit carry out communication with described industrial control system monitor, and described control mainboard also can be stored into described system journal record correlation detection result and important log information and store mould device.
The detection of network interface to tested outside equipment under test of the network control chip of described control mainboard is divided into ARP monitoring, ICMP monitoring and tcp port monitoring.These monitored results are undertaken monitoring and showing by described industrial control system monitor.Whether the network interface of the network control chip of described control mainboard is monitored ARP agreement, normally run by the network system using ARP request/response message to decide tested external equipment.An ARP request sends once about each second.By the corresponding chart of answering delay report generation.If can not receive arp reply within the time arranged, the state of monitor will become alarm condition, until industrial control system monitor status becomes normal condition after again receiving arp reply.
Compared with prior art, the present invention has the following advantages:
(1) the present invention integrates five functional, and namely PLC technology measuring ability, industrial protocol analyze access function, industrial control system monitor Presentation Function, network equipment access function, platform software management function, system journal record memory function;
(2) the present invention had not only supported ICP/IP protocol but also the detection of supporting industry control protocol, and industrial control system is had to unified detection, saves the effect of device resource.The present invention supports ICP/IP protocol, wherein: link layer comprises: Ethernet, ARP, LLDP; Network layer comprises: IP, ICMP, IGMP; Transport layer comprises: TCP, UDP; Support IT agreement, the support to conventional network IT agreement: FTP, HTTP, NTP, RDP, RPC, SNMP, Telnet; Industrial protocol analysis software processor and the equal supporting industry control protocol of Programmable Logic Controller, comprising all kinds of common industry control agreement of support OPC, EtherNet, Modbus/TCP, IEC60870-5-104, IEC61850-MMS, DNP3, Profinet.
(3) have the function of result of detection being carried out to Real-time Delay, user monitors the whole change in process of detection in real time by monitor, intuitively convenient.
(4) test the daily record of record detection at any time at any time, and preserve in a device, so that client checks at any time with the form of report text.Support the details of display test equipment and equipment under test, comprise the testing time, equipment under test model, support IP and the MAC Address important information of display equipment under test simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation detecting the system of industrial control equipment exception of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described in detail.As shown in Figure 1, a kind of system detecting industrial control equipment exception of the present invention comprises: control mainboard, Programmable Logic Controller, industry control protocal analysis processing unit, industrial control system monitor, system journal record storage unit.Described control mainboard comprises interconnective central processing unit, network control chip; Described industry control protocal analysis processing unit comprises interconnective protocol processes chip, external protocol handling interface; Described system journal record storage unit comprises connected record analysis chip and storage hard disk.The central processing unit of described control mainboard is connected with Programmable Logic Controller, industry control protocal analysis processing unit, industrial control system monitor, system journal record storage unit respectively; The input of the external tested external equipment of described Programmable Logic Controller energy, also can output signal to tested external equipment simultaneously; Described industry control protocal analysis processing unit is drawn sniffing interface and is carried out protocal analysis to tested external equipment; Described industrial control system monitor can show result of detection in real time, and can carry out early warning and warning to result of detection; Described system journal record storage unit can record situation about having detected, storage report.
A kind of method detecting industrial control equipment exception of the present invention comprises the following steps:
(1) the control mainboard described in, Programmable Logic Controller, industry control protocal analysis processing unit connect the input/output port of tested external equipment respectively by external interface, and described input/output port is scanned, described input/output port is also referred to as port to be measured.
Described control mainboard is connected with tested external equipment by the network interface of described network control chip; Programmable Logic Controller is connected with tested external equipment by external terminal; Industry control protocal analysis processing unit is connected with tested external equipment by industrial transmission cable.Above outer-type is different, also each different for detection agreement, combines mutually and arrange in pairs or groups according to specific requirement and field condition.
(2) the above Programmable Logic Controller, industry control protocal analysis processing unit, system journal record storage unit are referred to as scanning analysis system, and described scanning analysis system can initiatively carry out scanning analysis and detection to outside equipment under test and result be sent to the central processing unit of described control mainboard after the probe command of central processing unit receiving described control mainboard.
(3) input scanned: the request command of outside equipment under test input comprises the protocol type of scanning, the scope of scanning, and the target of scanning.
(4) output of module: after the port to be measured scanning outside equipment under test, described scanning analysis system can send to the information of the TCP to be measured to tested external equipment the central processing unit of described control mainboard.The information sent comprises protocol type and port numbers.
(5) described control mainboard is used for execution cost Programmable Logic Controller, industry control protocal analysis processing unit carry out communication with described industrial control system monitor, and described control mainboard also can be stored into described system journal record correlation detection result and important log information and store mould device.
The detection of network interface to tested outside equipment under test of the network control chip of described control mainboard is divided into ARP monitoring, ICMP monitoring and tcp port monitoring.These monitored results are undertaken monitoring and showing by described industrial control system monitor.
Whether the network interface of the network control chip of described control mainboard is monitored ARP agreement, normally run by the network system using ARP request/response message to decide tested external equipment.An ARP request sends once about each second.By the corresponding chart of answering delay report generation.If can not receive arp reply within the time arranged, the state of monitor will become alarm condition, until industrial control system monitor status becomes normal condition after again receiving arp reply.
Described Programmable Logic Controller, industry control protocal analysis processing unit can carry out detecting to corresponding agreement, port to be measured and scan.The corresponding different outside equipment under test of different agreements, port to be measured is also demonstrated by described industrial control system monitor.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in scope disclosed by the invention; the change that can expect easily or replacement, all should be encompassed in the protection range of the claims in the present invention.
Claims (5)
1. detect a system for industrial control equipment exception, it is characterized in that, comprising: control mainboard, Programmable Logic Controller, industry control protocal analysis processing unit, industrial control system monitor, system journal record storage unit; Described control mainboard comprises interconnective central processing unit, network control chip; Described industry control protocal analysis processing unit comprises interconnective protocol processes chip, external protocol handling interface; Described system journal record storage unit comprises connected record analysis chip and storage hard disk; The central processing unit of described control mainboard is connected with Programmable Logic Controller, industry control protocal analysis processing unit, industrial control system monitor, system journal record storage unit respectively.
2. detect a method for industrial control equipment exception, it is characterized in that, comprise the following steps:
(1) the control mainboard described in, Programmable Logic Controller, industry control protocal analysis processing unit connect the input/output port of tested external equipment respectively by external interface, and described input/output port is scanned, described input/output port is also referred to as port to be measured;
(2) the above Programmable Logic Controller, industry control protocal analysis processing unit, system journal record storage unit are referred to as scanning analysis system, and described scanning analysis system can initiatively carry out scanning analysis and detection to outside equipment under test and result be sent to the central processing unit of described control mainboard after the probe command of central processing unit receiving described control mainboard;
(3) input scanned: the request command of outside equipment under test input comprises the protocol type of scanning, the scope of scanning, and the target of scanning;
(4) output of module: after the port to be measured scanning outside equipment under test, described scanning analysis system can send to the information of the TCP to be measured to tested external equipment the central processing unit of described control mainboard.The information sent comprises protocol type and port numbers;
(5) described control mainboard is used for execution cost Programmable Logic Controller, industry control protocal analysis processing unit carry out communication with described industrial control system monitor, and described control mainboard also can be stored into described system journal record correlation detection result and important log information and store mould device.
3. a kind of method detecting industrial control equipment exception according to claim 2, is characterized in that, in described step (1), described control mainboard is connected with tested external equipment by the network interface of described network control chip; Programmable Logic Controller is connected with tested external equipment by external terminal; Industry control protocal analysis processing unit is connected with tested external equipment by industrial transmission cable.
4. a kind of method detecting industrial control equipment exception according to claim 2, is characterized in that, the detection of network interface to tested outside equipment under test of the network control chip of described control mainboard is divided into ARP monitoring, ICMP monitoring and tcp port monitoring; These monitored results are undertaken monitoring and showing by described industrial control system monitor.
5. a kind of method detecting industrial control equipment exception according to claim 2, it is characterized in that, whether the network interface of the network control chip of described control mainboard is monitored ARP agreement, normally run by the network system using ARP request/response message to decide tested external equipment; If can not receive arp reply within the time arranged, the state of monitor will become alarm condition, until industrial control system monitor status becomes normal condition after again receiving arp reply.
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| CN201510925608.XA CN105553973A (en) | 2015-12-14 | 2015-12-14 | System and method for detecting industrial control equipment abnormality |
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| CN201510925608.XA CN105553973A (en) | 2015-12-14 | 2015-12-14 | System and method for detecting industrial control equipment abnormality |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871620A (en) * | 2016-05-05 | 2016-08-17 | 中国科学院信息工程研究所 | Rapid detection and identification method for network space industrial control equipment |
| CN107465667A (en) * | 2017-07-17 | 2017-12-12 | 全球能源互联网研究院有限公司 | The safe synergic monitoring method and device of power network industry control based on stipulations deep analysis |
| CN110635971A (en) * | 2019-10-16 | 2019-12-31 | 杭州安恒信息技术股份有限公司 | Industrial control asset detection and management method and device and electronic equipment |
| CN111025933A (en) * | 2019-11-12 | 2020-04-17 | 哈尔滨安天科技集团股份有限公司 | PLC simulation device and method in industrial control system, electronic device and storage medium |
| CN112558505A (en) * | 2019-09-10 | 2021-03-26 | 阿里巴巴集团控股有限公司 | Control processing method and device for industrial control system, industrial control system and electronic equipment |
| CN116027771A (en) * | 2023-03-30 | 2023-04-28 | 深圳市深蓝宇科技有限公司 | Abnormality detection method for industrial personal computer control system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105871620A (en) * | 2016-05-05 | 2016-08-17 | 中国科学院信息工程研究所 | Rapid detection and identification method for network space industrial control equipment |
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| CN107465667A (en) * | 2017-07-17 | 2017-12-12 | 全球能源互联网研究院有限公司 | The safe synergic monitoring method and device of power network industry control based on stipulations deep analysis |
| CN112558505A (en) * | 2019-09-10 | 2021-03-26 | 阿里巴巴集团控股有限公司 | Control processing method and device for industrial control system, industrial control system and electronic equipment |
| CN110635971A (en) * | 2019-10-16 | 2019-12-31 | 杭州安恒信息技术股份有限公司 | Industrial control asset detection and management method and device and electronic equipment |
| CN111025933A (en) * | 2019-11-12 | 2020-04-17 | 哈尔滨安天科技集团股份有限公司 | PLC simulation device and method in industrial control system, electronic device and storage medium |
| CN116027771A (en) * | 2023-03-30 | 2023-04-28 | 深圳市深蓝宇科技有限公司 | Abnormality detection method for industrial personal computer control system |
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