CN103079204A - System and method for improving accuracy of finding illegal copying of SIM (subscriber identity module) card of mobile phone - Google Patents
System and method for improving accuracy of finding illegal copying of SIM (subscriber identity module) card of mobile phone Download PDFInfo
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- CN103079204A CN103079204A CN2011103279963A CN201110327996A CN103079204A CN 103079204 A CN103079204 A CN 103079204A CN 2011103279963 A CN2011103279963 A CN 2011103279963A CN 201110327996 A CN201110327996 A CN 201110327996A CN 103079204 A CN103079204 A CN 103079204A
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Abstract
The invention discloses a system and a method for improving the accuracy of finding illegal copying of an SIM (subscriber identity module) card of a mobile phone. The system based on a communication network formed by the fact that a signaling link is connected to a plurality of signaling points of a No.7 signaling network comprises a plurality of signaling message detection processing devices, at least one copying card analysis server, at least one signaling message sender and at least one copying card frequency counting server, wherein the copying card frequency counting server is connected with the copying card analysis server. The method comprises the following steps that a plurality of copying card identification models are utilized by the copying card frequency counting server, so as to perform frequency analysis and counting on user behavior in accordance with abnormal registration information provided by the copying card analysis server, and the accuracy of finding illegal copying of the SIM card of the mobile phone is improved. The system and the method can be independently implemented without reforming the existing network equipment, an effective means for managing and accurately positioning illegal copying of the SIM card of the mobile phone is provided for operators, and the loss of high economic benefits is avoided.
Description
Technical field
The present invention relates to a kind of system and method thereof of finding bootlegging SIM cards of mobile phones accuracy rate that improve, specifically, by the SIM card information that notes abnormalities is carried out secondary analysis, mainly be that the behavioural characteristic of the frequency is carried out analytic statistics, reach the purpose that improves the copy card recognition accuracy.
Background technology
In mobile network, copy SIM (Subscriber Identity Module, client identification module) unlawful activities of card happen occasionally, the bootlegging card sends in a large number refuse messages and dials overseas call, operator is sustained a great loss, the serious impact signaling network, and refuse messages also causes very large social danger.Need pursue the proper method for this reason, in time find and control copy card, effectively hit the activity of bootlegging SIM card.
Copy card (copying SIM card) is the software vulnerability that has utilized existing mobile radio communication, its mechanics is roughly as follows: many copy cards are start-up logging under ownership different telephone exchange nodes outside the province simultaneously almost, because hour of log-on is separated by very near (within the several seconds), many copy cards can successfully be climbed up network, then send in a large number refuse messages or call, user's current location of at this moment preserving in the user attaching location register is to climb up at last the position of that card of network.
The method of administering the bootlegging SIM card can be in the record controls program of attaching position register increase to position updating process, before same IMSI (international mobile subscriber identity) number is not finished login, do not allow to login at another MSC, but this function relates to the Change In Design to the attaching position register of operation, have a big risk, difficult in real time.
Therefore, the applicant has applied for that in 2009 number of patent application is 200910247841.1 patent of invention " system and method for a kind of discovery and improvement bootlegging SIM cards of mobile phones ", purpose is to provide the system and method for finding and administering the bootlegging SIM cards of mobile phones, by analyzing the location of mobile users updating message and sending the mode of CANCEL_LOCATION message to mobile switching centre, reach and implement to find and the purpose of administering the bootlegging SIM card, and do not need existing network element updating and data modification.Now " finding and administer the method for bootlegging SIM cards of mobile phones " in the former patent application concluded called after " 5 seconds rules ".
But in the concrete application, can find the method (5 seconds rules) in the former patent application although can realize strike to copy card, the scope of attack is wider, and precision is lower.
Summary of the invention
The object of the invention is to the shortcoming for former patent application " system and method for a kind of discovery and improvement bootlegging SIM cards of mobile phones ", a kind of system and method thereof of finding bootlegging SIM cards of mobile phones accuracy rate that improve is provided, mode by analytic statistics location of mobile users updating message, the behavior frequency is carried out summarizes, make it to reach further accurate recognition accuracy with improving doubtful copy card, reach the target that system accurately finds the bootlegging card.
The technical scheme that realizes above-mentioned purpose is:
A kind of system that finds bootlegging SIM cards of mobile phones accuracy rate that improves of one of the present invention, the communication network that it forms based on several signalling points that are connected in the Signaling System Number 7 net by signaling link, described signalling point comprises Signalling Transfer Point, the telephone exchange gateway, media gateway, the telephone exchange node, mobile switching centre, Visitor Location Register, attaching position register and short message service center, described system comprises some signaling message detection and processing devices, at least one copy card Analysis server and at least one signaling message transmitter, this system also comprises at least one copy card frequency statistics server, described copy card frequency statistics server links to each other with the copy card Analysis server by data-interface, and the unusual log-on message that provides according to described copy card Analysis server carries out frequency analysis and statistics to user behavior, thus the identification copy card.
Find that in above-mentioned raising the unusual log-on message that described copy card Analysis server provides refers to that the user who hits the 5S rule registers behavioral data in the system of bootlegging SIM cards of mobile phones accuracy rate.
Find in the system of bootlegging SIM cards of mobile phones accuracy rate that in above-mentioned raising described system also comprises at least one copy card management server that connects described copy card Analysis server.
Find in the system of bootlegging SIM cards of mobile phones accuracy rate in above-mentioned raising, the described signaling message detection and processing device that in each signaling link, connects, can lay respectively at attaching position register has on the signaling link of signaling relation, upgrades signaling message with collection position.
Find in the system of bootlegging SIM cards of mobile phones accuracy rate that in above-mentioned raising described and attaching position register has the signaling link of signaling relation to comprise signaling link between signaling link, attaching position register and the Signalling Transfer Point between signaling link, mobile switching centre and the Signalling Transfer Point between the Signalling Transfer Point.
Find that in above-mentioned raising the Transfer pipe of described signaling link is the TDM mode, or the IP mode in the system of bootlegging SIM cards of mobile phones accuracy rate.
The method of bootlegging SIM cards of mobile phones accuracy rate is found in a kind of raising based on said system of two of the present invention, the method is: the multiple copy card model of cognition of described copy card frequency statistics server by utilizing, and the unusual log-on message that provides according to described copy card Analysis server carries out frequency analysis and statistics to user behavior, raising discovery bootlegging SIM cards of mobile phones accuracy rate; Described copy card model of cognition comprises:
Busy frequency analysis model, the number of times that the IMSI of this Model Identification registers behavior unusually in busy meets or exceeds thresholding; Busy is defined as hour of sliding window, is dynamic;
24 hours frequency analysis models, the number of times of unusual registration behavior IMSI every day of this Model Identification meets or exceeds thresholding;
The number of times that monthly frequency analysis model, the IMSI of this Model Identification are registered behavior per month unusually meets or exceeds thresholding;
Dynamic monitoring model, the model parameter that above-mentioned busy frequency analysis model, 24 hours frequency analysis models and monthly frequency analysis model are used according to the different needs in application scenario is also different, the result that dynamic monitoring model uses according to above-mentioned copy card model of cognition, model parameter is dynamically adjusted, with further raising recognition accuracy, realize the more accurate statistical analysis of the frequency;
The black and white lists model for frequency result and manual intervention result, is directly got rid of copy card suspicion, perhaps directly confirms as copy card.
Find that in above-mentioned raising described method specifically comprises the following steps: in the method for bootlegging SIM cards of mobile phones accuracy rate
The communication step, the user that described copy card Analysis server will hit the 5S rule registers behavioural information and sends to copy card frequency statistics server;
Reject step, described copy card frequency statistics server is collected all registration behavioral datas, and rejects white list user's behavioral data;
The copy card model of cognition is selected step, and described copy card frequency statistics server is selected the copy card model of cognition;
Statistic of classification step, described copy card frequency statistics server be according to the copy card model of cognition of selecting, the Data classification of rejecting after the step screening is deposited, and according to the time interval of this copy card model of cognition carry out according to hour, day or month statistics;
The screening step, described copy card frequency statistics server screens the statistics of statistic of classification step according to the parameter of selected copy card model of cognition, filters out the bootlegging card information that meets this copy card model of cognition;
The invalid information transmitting step, the bootlegging card information that described copy card frequency statistics server filters out above-mentioned screening step sends to described copy card Analysis server;
Storing step, described copy card frequency statistics server is categorized as black, gray list with the bootlegging card information that above-mentioned screening step filters out, and deposits database in.
Owing to adopted above-mentioned technical scheme, one of the present invention is on the basis of system described in the former patent application " system and method for a kind of discovery and improvement bootlegging SIM cards of mobile phones ", increased independently " copy card frequency statistics server ", by system acquisition and the mode of analyzing the location of mobile users updating message, screen more accurately and locate doubtful copy card, filter out real copy card disabled user, can effectively hit the activity of bootlegging S IM card, to reduce the loss of operator, standard network service order, conventional network equipment can not transformed and independent enforcement, for common carrier finds that in real time copying SIM card with improvement provides safe effective means.Simultaneously, the present invention's the two copy card model of cognition (busy frequency analysis model, 24 hours frequency analysis models, monthly frequency analysis model, dynamic monitoring model and black and white lists models) that propose can help " copy card frequency statistics server " that the behavior frequency is carried out summarizes, make it to reach further accurate recognition accuracy with improving doubtful copy card, reach the target that system accurately finds the bootlegging card.
Description of drawings
Fig. 1 is the structural representation that the system of bootlegging SIM cards of mobile phones accuracy rate is found in one of the present invention's raising;
Fig. 2 is the data instance table of the present invention's two busy frequency analysis model;
Fig. 3 is the data instance table of 24 hours frequency analysis models of two of the present invention;
Fig. 4 is the data instance table of the present invention's two monthly frequency analysis model.
Specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
See also Fig. 1, a kind of system that finds bootlegging SIM cards of mobile phones accuracy rate that improves of one of the present invention, the communication network that it forms based on several signalling points that are connected in Signaling System Number 7 net 3 by signaling link, wherein, signalling point comprises Signalling Transfer Point (HSTP), telephone exchange gateway, media gateway, telephone exchange node (MSC), mobile switching centre, Visitor Location Register, attaching position register (HLR) and short message service center.
One of the present invention's raising finds that the system of bootlegging SIM cards of mobile phones accuracy rate also comprises some signaling message detection and processing devices (MPM) 1, at least one copy card Analysis server 2, at least one signaling message transmitter 4 and at least one copy card frequency statistics server 5, wherein:
Each signaling message detection and processing device 1 is connected in the signaling link that Signaling System Number 7 net 3 needs signalling message data is carried out Check processing, and link to each other with copy card Analysis server 2, this signaling message detection and processing device 1 is used for gathering signaling message, in real time to copy card Analysis server 2 reported position updating message;
Copy card Analysis server 2 links to each other with signaling message transmitter 4 with each signaling message detection and processing device 1 by data-interface, collection and analyzing and processing are upgraded signaling message from the location of mobile users of signaling message detection and processing device 1, according to mobile subscriber's position regeneration characteristics, sort out doubtful copy card user's IMS I number; Instruction signaling message transmitter 4 sends the signaling message that forces copy card user logout;
Signaling message transmitter 4 is connected in Signaling System Number 7 net 3 by signaling link, link to each other with copy card Analysis server 2 by data link, this signaling message transmitter 4 initiates to force the signaling message of copy card user logout to the mobile switching centre that the copy card user logins according to the instruction of copy card Analysis server 2;
Copy card frequency statistics server 5 links to each other with copy card Analysis server 2 by data-interface, and according to the unusual log-on message that copy card Analysis server 2 provides user behavior is carried out frequency analysis and statistics, thus the identification copy card.Described unusual log-on message refers to that the user who hits " 5S rule " registers behavioral data, and wherein: " 5S is regular " refers to " finding and administer the method for bootlegging SIM cards of mobile phones " in the former patent application " system and method for a kind of discovery and improvement bootlegging SIM cards of mobile phones " concluded the method for rear gained.When many copy cards start-up logging under ownership different telephone exchange nodes outside the province simultaneously almost, because hour of log-on is separated by very near (within the several seconds), so the behavior need to be monitored especially.
The signaling message detection and processing device 1 that in each signaling link, connects, can lay respectively at attaching position register has on the signaling link of signaling relation, upgrade signaling message with collection position, and attaching position register there is the signaling link of signaling relation to comprise signaling link between signaling link, attaching position register and the Signalling Transfer Point between signaling link, mobile switching centre and the Signalling Transfer Point between the Signalling Transfer Point.
The Transfer pipe of signaling link is TDM (time division multiplexing) mode, or IP (packet switching) mode.
The below will be positioned at from attaching position register signaling message detection and processing device 1 and will be elaborated by the different networking modes on the signaling connection road of signaling relation.
As shown in Figure 1; signaling message detection and processing device (MPM) 1 access is on attaching position register (HLR) and signaling link that Signaling System Number 7 net 3 is connected; this networking mode can be protected all HLR of this province, finds and administer the copying SIM cards of mobile phones that all belong to this province.
In addition; signaling message detection and processing device (MPM) 1 can also access on telephone exchange node (MSC) and signaling link that Signaling System Number 7 net 3 is connected; all other provinces of one-level that this networking mode can protect all these provinces not diffuse out roam into the copying SIM cards of mobile phones of this province, can effectively protect local MSC.
In addition; signaling message detection and processing device (MPM) 1 can also access on the signaling link of HSTP High Signaling Transport Point (HSTP) 5 and Low Level Signaling Transfer Point LSTP (LSTP), and this networking mode can be protected that all these provinces roam into the other places and all other provinces roam into the copying SIM cards of mobile phones of this province.
One of the present invention's raising finds that the system of bootlegging mobile phone S IM card accuracy rate can also comprise at least one copy card management server that connects described copy card Analysis server, is used for the management to copy card information.
The present invention two find that based on above-mentioned raising the raising of the system of bootlegging mobile phone S IM card accuracy rate finds the method for bootlegging SIM cards of mobile phones accuracy rate, the method is: copy card frequency statistics server 5 utilizes multiple copy card model of cognition, and the unusual log-on message that provides according to copy card Analysis server 2 (user who hits " 5S rule " registers behavioral data), user behavior is carried out frequency analysis and statistics, improve the accuracy rate of finding the bootlegging SIM cards of mobile phones;
See also Fig. 2, Fig. 3 and Fig. 4, be respectively the data instance table of busy frequency analysis model, 24 hours frequency analysis models and monthly frequency analysis model.Described copy card model of cognition comprises:
Busy frequency analysis model: as shown in Figure 2, the number of times that the IMS I of this Model Identification registers behavior (hitting " 5S rule ") unusually in busy meets or exceeds thresholding (number of times that domestic consumer's maximum possible is registered repeatedly); Busy is defined as hour of sliding window, is dynamic; For example: the integral point of non-13:00～14:00, hit the record that " 5 seconds rules " surveys number of times in certain IMSI number one hour.
24 hours frequency analysis models: as shown in Figure 3, the number of times of unusual registration behavior IMS I every day of this Model Identification (hitting " 5S rule ") meets or exceeds thresholding;
Monthly frequency analysis model: as shown in Figure 4, the number of times that the IMS I of this Model Identification registers behavior (hitting " 5S rule ") per month unusually meets or exceeds thresholding;
Dynamic monitoring model: the model parameter that above-mentioned busy frequency analysis model, 24 hours frequency analysis models and monthly frequency analysis model are used according to the different needs in application scenario is also different, the result that dynamic monitoring model uses according to above-mentioned busy frequency analysis model, 24 hours frequency analysis models or monthly frequency analysis model, namely to the monitoring result of each class model, engaging actual detection case dynamically adjusts model parameter, with further raising recognition accuracy, realization is to the more accurate statistical analysis of the frequency, to reach the purpose of accurate discovery copy card;
Black and white lists model: for frequency result and manual intervention result, directly get rid of copy card suspicion, perhaps directly confirm as copy card.On the basis of copy card behavioural analysis, can also improve system works efficient in conjunction with the black and white lists rule, all registration behaviors of black list user all can be under an embargo, and system does not monitor white list user's registration behavior.White list mainly is the user of user group, enterprise customer, government customer, VIP client, the expense top-tier customer that surpasses certain amount, surpass the top-tier customer of certain time limit etc. in the net time.Black and white lists all possesses necessarily ageing, can dynamically adapt to the copy card behavior according to client's feedback.
The present invention two find that based on above-mentioned raising the raising of the system of bootlegging SIM cards of mobile phones accuracy rate finds the method for bootlegging SIM cards of mobile phones accuracy rate, specifically comprise the following steps:
The user that communication step, copy card Analysis server 2 will be hit " 5S rule " registers behavioural information and sends to copy card frequency statistics server 5;
Reject step, copy card frequency statistics server 5 is collected all registration behavioral datas, and rejects white list user's behavioral data;
The copy card model of cognition is selected step, and copy card frequency statistics server 5 is selected above-mentioned copy card model of cognition;
Statistic of classification step, copy card frequency statistics server 5 be according to the copy card model of cognition of selecting, the Data classification of rejecting after the step screening is deposited, and according to the time interval of this copy card model of cognition carry out according to hour, day or month statistics;
The screening step, copy card frequency statistics server 5 parameters according to selected copy card model of cognition are screened the statistics of statistic of classification step, filter out the bootlegging card information that meets this copy card model of cognition;
The invalid information transmitting step, copy card frequency statistics server 5 sends to copy card Analysis server 2 with the bootlegging card information that above-mentioned screening step filters out;
Storing step, copy card frequency statistics server 5 is categorized as black, gray list with the bootlegging card information that above-mentioned screening step filters out, and deposits database in.
Above embodiment is only for explanation the present invention's, but not limitation of the present invention, person skilled in the relevant technique, in the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification, and the technical scheme that all are equal to also should belong within the category of the present invention, should be limited by each claim.
Claims (8)
1. one kind is improved the system that finds bootlegging SIM cards of mobile phones accuracy rate, the communication network that it forms based on several signalling points that are connected in the Signaling System Number 7 net by signaling link, described signalling point comprises Signalling Transfer Point, the telephone exchange gateway, media gateway, the telephone exchange node, mobile switching centre, Visitor Location Register, attaching position register and short message service center, described system comprises some signaling message detection and processing devices, at least one copy card Analysis server and at least one signaling message transmitter, it is characterized in that, this system also comprises at least one copy card frequency statistics server, described copy card frequency statistics server links to each other with the copy card Analysis server by data-interface, and the unusual log-on message that provides according to described copy card Analysis server carries out frequency analysis and statistics to user behavior, thus the identification copy card.
2. the system of bootlegging SIM cards of mobile phones accuracy rate is found in raising according to claim 1, it is characterized in that the unusual log-on message that described copy card Analysis server provides refers to that the user who hits the 5S rule registers behavioral data.
3. the system of bootlegging SIM cards of mobile phones accuracy rate is found in raising according to claim 1 and 2, it is characterized in that, described system also comprises at least one copy card management server that connects described copy card Analysis server.
4. the system of bootlegging SIM cards of mobile phones accuracy rate is found in raising according to claim 1, it is characterized in that, the described signaling message detection and processing device that in each signaling link, connects, can lay respectively at attaching position register has on the signaling link of signaling relation, upgrades signaling message with collection position.
5. the system of bootlegging SIM cards of mobile phones accuracy rate is found in raising according to claim 4, it is characterized in that described and attaching position register has the signaling link of signaling relation to comprise signaling link between signaling link, attaching position register and the Signalling Transfer Point between signaling link, mobile switching centre and the Signalling Transfer Point between the Signalling Transfer Point.
6. the system of bootlegging SIM cards of mobile phones accuracy rate is found in raising according to claim 1, it is characterized in that the Transfer pipe of described signaling link is the TDM mode, or the IP mode.
7. method of finding bootlegging SIM cards of mobile phones accuracy rate based on the raising of the described system of claim 1, it is characterized in that, the method is: the multiple copy card model of cognition of described copy card frequency statistics server by utilizing, and the unusual log-on message that provides according to described copy card Analysis server carries out frequency analysis and statistics to user behavior, raising discovery bootlegging mobile phone S IM card accuracy rate; Described copy card model of cognition comprises:
Busy frequency analysis model, the number of times that the IMSI of this Model Identification registers behavior unusually in busy meets or exceeds thresholding; Busy is defined as hour of sliding window, is dynamic;
24 hours frequency analysis models, the number of times of unusual registration behavior IMSI every day of this Model Identification meets or exceeds thresholding;
The number of times that monthly frequency analysis model, the IMSI of this Model Identification are registered behavior per month unusually meets or exceeds thresholding;
Dynamic monitoring model, the model parameter that above-mentioned busy frequency analysis model, 24 hours frequency analysis models and monthly frequency analysis model are used according to the different needs in application scenario is also different, the result that dynamic monitoring model uses according to above-mentioned copy card model of cognition, model parameter is dynamically adjusted, with further raising recognition accuracy, realize the more accurate statistical analysis of the frequency;
The black and white lists model for frequency result and manual intervention result, is directly got rid of copy card suspicion, perhaps directly confirms as copy card.
8. the method for bootlegging SIM cards of mobile phones accuracy rate is found in raising according to claim 7, it is characterized in that the method specifically comprises the following steps:
The communication step, the user that described copy card Analysis server will hit the 5S rule registers behavioural information and sends to copy card frequency statistics server;
Reject step, described copy card frequency statistics server is collected all registration behavioral datas, and rejects white list user's behavioral data;
The copy card model of cognition is selected step, and described copy card frequency statistics server is selected the copy card model of cognition;
Statistic of classification step, described copy card frequency statistics server be according to the copy card model of cognition of selecting, the Data classification of rejecting after the step screening is deposited, and according to the time interval of this copy card model of cognition carry out according to hour, day or month statistics;
The screening step, described copy card frequency statistics server screens the statistics of statistic of classification step according to the parameter of selected copy card model of cognition, filters out the bootlegging card information that meets this copy card model of cognition;
The invalid information transmitting step, the bootlegging card information that described copy card frequency statistics server filters out above-mentioned screening step sends to described copy card Analysis server;
Storing step, described copy card frequency statistics server is categorized as black, gray list with the bootlegging card information that above-mentioned screening step filters out, and deposits database in.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111328073A (en) * | 2018-12-14 | 2020-06-23 | 中国移动通信集团广西有限公司 | No. seven signaling risk defense method and device |
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