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Method for detecting forged short message and related device

A detection method and short message technology, applied in security devices, messages/mailboxes/notifications, electrical components, etc., can solve the problem of being unable to detect forged short messages

Inactive Publication Date: 2010-10-13
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] The embodiment of the present invention provides a method for detecting forged short messages to solve the problem in the prior art that forged short messages sent by exploiting signaling layer vulnerabilities cannot be detected

Method used

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  • Method for detecting forged short message and related device
  • Method for detecting forged short message and related device
  • Method for detecting forged short message and related device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Please refer to the attached image 3 , step 301, the SMSC in the home network where the sender MS is located receives the MAP_FORWARD_SMS signaling that carries the short message from the signaling source, and the short message includes the identifier ID1 of the sender MS and the signaling source identifier SR1 , and the process of sending MAP_FORWARD_SMS_ACK to the signaling source and the attached figure 1 The prior art in is similar, and will not repeat them here;

[0054] Step 302, SMSC determines the address of the Home Location Register (HLR, Home Location Register) in the home network of the sender MS according to the identification ID1 of the sender MS in the signaling received in the step 301, and sends the address to the HLR according to the determined HLR address The home location register sends a request message for requesting the signaling source identification of the sender MS in the network where the sender MS is currently located, and the request messa...

Embodiment 2

[0060] Embodiment 2, please refer to the attached Figure 4 , step 401, the SMSC receives the MAP_FORWARD_SMS signaling carrying the short message sent by the signaling source, which includes the ID1 of the sender MS and the SR1 of the signaling source;

[0061] Step 402, after receiving the signaling MAP_FORWARD_SMS, the SMSC sends a location information query request to a positioning service function entity (LBS, Location Based Service), which includes the identifier ID1 of the sender MS received in the signaling in step 401;

[0062] At present, LBS can use a variety of positioning technologies to provide users with different needs with multiple positioning services. For example, for requests with low precision, the positioning technology based on Cell ID can be used; Based on the positioning technology of Pilot Strength Measurement Message (PSMM, Pilot Strength Measurement Message); the positioning technology based on the auxiliary satellite positioning system A-GPS can be...

Embodiment 3

[0072] Embodiment 3. In Embodiment 2, according to the location information queried by the LBS, from the correspondence between the location information and the signaling source identifier, the process of finding the signaling source identifier corresponding to the location information is performed by The SMSC in the network where the sender is located, the above processing process can also be carried out by the LBS, please refer to the attached Figure 5 :

[0073] Step 501, the SMSC receives the MAP_FORWARD_SMS signaling carrying the short message from the signaling source, the signaling includes the ID1 of the sender MS and the signaling source identifier SR1;

[0074] Step 502, after receiving the signaling MAP_FORWARD_SMS, the SMSC sends a request for obtaining the signaling source identification to the positioning service function entity (LBS, Location Based Service), which includes the sending of the signaling received in step 501. The identification ID1 of the party M...

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Abstract

The invention discloses a method for detecting a forged short message, which is used for solving the problem of failure to detect the forged short message transmitted by utilizing bugs on the signal layer in the prior art. The method comprises the following steps: receiving a signal which carries a short message and is transmitted by a signal source point, wherein the signal comprises the identification of the short message transmitting party, and the identification of the signal source point; according to the identification of the short message transmitting party in the received signal, acquiring the identification of the signal source point of the network in which the short message transmitting party is currently positioned; and when the identification of the signal source point contained in the received signal is different from the acquired identification of the signal source of the network in which the short message transmitting party is currently positioned, determining that the carried short message in the received signal is the forged short message. Correspondingly, the embodiment of the invention also provides a device for detecting the forged short message and a short message authentication system.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for detecting forged short messages, a device for detecting forged short messages and a short message authentication system. Background technique [0002] Short Message Service (SMS, Short Message Service) has been rapidly popularized due to its advantages of convenient use and low tariff, and has become an important means for people's daily communication. In the existing signaling network, the short message sent by the sender MS to the receiver MS is transmitted and forwarded in MAP (Mobile Application Part) signaling. The predetermined field includes the MS ID of the sender of the short message, the MS ID of the receiver, and the content information of the short message. For the triggering and processing of short message service, please refer to the attached figure 1 , [0003] Step 101, sender MS sends the short message transmission request that compri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/14H04W12/02
Inventor 胡伟倪伟
Owner CHINA MOBILE COMM GRP CO LTD