A method for identifying new malicious call-back services using signaling monitoring technology
A callback service and signaling technology, which is applied in wireless communication, security devices, digital transmission systems, etc., can solve the problems of reducing charges, not being able to collect call charges, and increasing the income of B operators, so as to achieve the effect of automatic identification
Inactive Publication Date: 2016-06-15
BEIJING ZHONGCHUANG TELECOM TEST
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In this way, operator A cannot collect the phone charges that should have been charged or reduce charges, but increases the income of operator B
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[0021] The new call-back service is different from the traditional "call-back card" service. It applies VoIP technology to mobile phones, connects to the call-back platform through the GPRS network, and then the call-back platform initiates a call to the calling party and the called party. connect. In this scenario, traditional authentication techniques are powerless.
[0022] The invention finds out the signaling behavior characteristics conforming to the call-back service through correlation analysis of the GPRS network access record and the A-interface call record, and can solve the identification of the new call-back service that cannot be solved by the prior art.
[0023] The appearance characteristics of the new callback service are: the call list of the called number is normal, but the corresponding call list cannot be found by the calling party, all call records are called, and the calling number is a long-distance fixed-line number in other places.
[0024] The callb...
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The present invention proposes a method for identifying a new type of malicious callback service using signaling monitoring technology, which is characterized in that it includes the following steps: searching for the characteristics of the callback service in the GPRS service; according to the characteristics of the callback platform in the found GPRS service , retrieve the feature codes of the callback service; match the suspected feature code database according to the discrimination strategy of the blacklist feature codes, and use the feature codes that meet the matching strategy as the blacklist feature codes; track the suspected feature codes, and For forensics, once the predetermined policy characteristics are met, it will be submitted as a signature code for interception. The invention finds out the signaling behavior characteristics conforming to the call-back service through correlation analysis of the GPRS network access record and the A-interface call record, and can solve the identification of the new call-back service that cannot be solved by the prior art.
Description
technical field [0001] The invention relates to the technical fields of telecommunication service support and telecommunication operation support, in particular to a method for identifying new malicious call-back services by using signaling monitoring technology. Background technique [0002] The callback service is referred to as SBIC (SoonBackImprestCall), which means that the calling user first calls the callback system, and the system actively calls back to the calling user after hanging up. User Services. [0003] The callback service utilizes the tariff policy that the called party is not billed to avoid call charges. Because the user never makes a call, there is no billing, which brings a lot of revenue loss to the operator and disrupts the normal communication market at the same time. For operators, it is particularly necessary to quickly discover such illegal services by adopting effective monitoring methods and to intercept them in time. [0004] The traditional...
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IPC IPC(8): H04L12/24H04W12/12H04W80/12H04W12/128
Inventor 贾林师振永
Owner BEIJING ZHONGCHUANG TELECOM TEST