CN112511661A - Method, device and system for collecting real MAC address - Google Patents
Method, device and system for collecting real MAC address Download PDFInfo
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- CN112511661A CN112511661A CN202011292500.9A CN202011292500A CN112511661A CN 112511661 A CN112511661 A CN 112511661A CN 202011292500 A CN202011292500 A CN 202011292500A CN 112511661 A CN112511661 A CN 112511661A
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- mac address
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/618—Details of network addresses
- H04L2101/622—Layer-2 addresses, e.g. medium access control [MAC] addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
Abstract
The embodiment of the invention discloses a method, equipment and a system for acquiring a real MAC address. The method comprises the following steps: when the mobile terminal is not connected with the hotspot, message data between the mobile terminal and the router is acquired; analyzing the message data to obtain different frame types; and acquiring the real MAC address of the mobile terminal according to different frame types. By implementing the embodiment of the invention, the real MAC address of the mobile terminal is acquired under the condition that the mobile terminal is not connected with the hot spot, so that the identity of the mobile terminal can be identified according to the real MAC address, and meanwhile, the acquisition and analysis efficiency of the message is improved.
Description
Technical Field
The invention relates to the technical field of Wi-Fi signal analysis, in particular to a method, equipment and a system for acquiring a real MAC address.
Background
Under the condition that the mobile equipment is connected with Wi-Fi, the real MAC address is used for communication between the mobile equipment and the Wi-Fi, so that the real MAC address of the mobile equipment can be obtained by analyzing a data frame in a message through the acquisition system.
But when the mobile device is not connected to the hotspot, the frame signal sent by the mobile device uses a random MAC address. At this time, the acquisition system analyzes the message to obtain a random MAC address, so that it is difficult to identify the identity of the mobile device.
Disclosure of Invention
The embodiment of the invention aims to provide a method, equipment and a system for acquiring a real MAC address, so as to realize the acquisition of the real MAC address of a mobile terminal when the mobile terminal is not connected with a hotspot.
In order to achieve the above object, in a first aspect, an embodiment of the present invention provides a method for acquiring a real MAC address, including:
when the mobile terminal is not connected with the hotspot, acquiring message data between the mobile terminal and the router;
analyzing the message data to obtain different frame types;
and acquiring the real MAC address of the mobile terminal according to different frame types.
As a specific implementation manner of the present application, analyzing the packet data to obtain different frame types specifically includes:
and analyzing the message data to obtain three types of frame types, wherein the three types of frame types comprise a control frame, a data frame and a management frame.
As a specific implementation manner of the present application, acquiring the real MAC address of the mobile terminal according to different frame types specifically includes:
extracting a data frame type message from the message data according to the data frame, and acquiring a real MAC address of the mobile terminal according to the data frame type message;
and extracting a non-data frame type message from the message data according to the control frame and the management frame, and acquiring the real MAC address of the mobile terminal according to the non-data frame type message.
Further, acquiring the real MAC address of the mobile terminal according to the non-data frame type packet specifically includes:
acquiring the current MAC address of the mobile terminal according to the non-data frame type message;
if the current MAC address is a random MAC address, adding a hot spot name to the mobile terminal, wherein the hot spot name is connected with the mobile terminal;
simulating to generate the hot spot of the hot spot name, and continuously sending Beacon frame broadcast outwards;
when the hotspot name and the encryption mode are consistent with the hotspot information connected with the mobile terminal, the mobile terminal and the hotspot continuously send a first detection message, and a real MAC address of the mobile terminal is obtained according to the first detection message;
and when the hotspot name and the encryption mode are inconsistent with the hotspot information connected with the mobile terminal, switching the BSSID of the hotspot according to a preset frequency, continuously sending Beacon frame broadcast to the outside, continuously sending a second detection message by the mobile terminal and the hotspot, and acquiring the real MAC address of the mobile terminal according to the second detection message.
In a second aspect, an embodiment of the present invention provides a device for acquiring a real MAC address, including:
the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring message data between a mobile terminal and a router when the mobile terminal is not connected with a hot spot;
the analysis unit is used for analyzing the message data to obtain different frame types;
and the acquisition unit is used for acquiring the real MAC address of the mobile terminal according to different frame types.
Wherein the analysis unit is specifically configured to:
and analyzing the message data to obtain three types of frame types, wherein the three types of frame types comprise a control frame, a data frame and a management frame.
The acquisition unit is specifically configured to:
extracting a data frame type message from the message data according to the data frame, and acquiring a real MAC address of the mobile terminal according to the data frame type message;
and extracting a non-data frame type message from the message data according to the control frame and the management frame, and acquiring the real MAC address of the mobile terminal according to the non-data frame type message.
Further, the acquisition unit is specifically configured to:
acquiring the current MAC address of the mobile terminal according to the non-data frame type message;
if the current MAC address is a random MAC address, adding a hot spot name to the mobile terminal, wherein the hot spot name is connected with the mobile terminal;
simulating to generate the hot spot of the hot spot name, and continuously sending Beacon frame broadcast outwards;
when the hotspot name and the encryption mode are consistent with the hotspot information connected with the mobile terminal, the mobile terminal and the hotspot continuously send a first detection message, and a real MAC address of the mobile terminal is obtained according to the first detection message;
and when the hotspot name and the encryption mode are inconsistent with the hotspot information connected with the mobile terminal, switching the BSSID of the hotspot according to a preset frequency, continuously sending Beacon frame broadcast to the outside, continuously sending a second detection message by the mobile terminal and the hotspot, and acquiring the real MAC address of the mobile terminal according to the second detection message.
In a third aspect, an embodiment of the present invention further provides a system for acquiring a real MAC address, including a mobile terminal, a router, and an acquisition device, which are in communication with each other. Wherein, the acquisition device is as described in the second aspect above, and the mobile terminal includes but is not limited to a mobile phone and the like.
By implementing the embodiment of the invention, when the mobile terminal is not connected with the hot spot, the message data between the mobile terminal and the router is analyzed to obtain different frame types, and the real MAC address of the mobile terminal is acquired according to the different frame types, so that the real MAC address of the mobile terminal is acquired under the condition that the mobile terminal is not connected with the hot spot, and the acquisition and analysis efficiency of the message is improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below.
Fig. 1 is a schematic flow chart of a method for acquiring a real MAC address according to an embodiment of the present invention;
fig. 2 is a block diagram of a real MAC address acquisition system according to an embodiment of the present invention;
fig. 3 is a block diagram of the structure of the acquisition apparatus of fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Referring to fig. 1, a method for acquiring a real MAC address according to an embodiment of the present invention is shown. It should be noted that, in this embodiment, the execution subject of the acquisition method is an acquisition device. As shown, the acquisition method may include the steps of:
s101, when the mobile terminal is not connected with the hot spot, message data between the mobile terminal and the router is obtained.
When mobile terminals such as mobile phones are not connected with the hot spot, the acquisition equipment acquires message data between the mobile terminals and the router.
S102, analyzing the message data to obtain different frame types.
Specifically, the acquisition device analyzes the message data to obtain frame types used in the message data, and there are three types: control frames, data frames, and management frames. The control frame and the management frame may be collectively referred to as a non-data frame.
And S103, acquiring the real MAC address of the mobile terminal according to different frame types.
Specifically, the acquisition device mainly acquires the real MAC address according to the data frame and the non-data frame. Step S104 is referred to for the process of acquiring a real MAC address according to a data frame, and steps S105 to S109 are referred to for the process of acquiring a real MAC address according to a non-data frame.
S104, extracting the data frame type message from the message data according to the data frame to obtain the real MAC address of the mobile terminal.
Specifically, the acquisition device extracts a data frame type message, the data frame is responsible for transmitting data between the workstations, and the real MAC address is used for the communication message between the mobile terminal and the router.
S105, extracting the non-data frame type message from the message data according to the non-data frame, and acquiring the current MAC address of the mobile terminal.
Specifically, the acquisition device extracts non-data frame type message data, acquires the MAC address of the mobile terminal in the message, and determines whether the MAC address is a random MAC address. It should be noted that the process of determining the MAC address as the random address according to the MAC address is common knowledge in the art and is not described herein again.
And S106, if the current MAC address is a random MAC address, adding a hotspot name to the mobile terminal.
Wherein, the hotspot name is connected with the mobile terminal.
And S107, simulating to generate the hot spot of the hot spot name, and continuously sending Beacon frame broadcast to the outside.
And S108, when the hotspot name and the encryption mode are consistent with the hotspot information connected with the mobile terminal, the mobile terminal and the hotspot continuously send a first detection message, and the real MAC address of the mobile terminal is obtained according to the first detection message.
S109, when the hotspot name and the encryption mode are inconsistent with the hotspot information connected with the mobile terminal, switching the BSSID of the hotspot according to the preset frequency, continuously sending Beacon frame broadcast to the outside, continuously sending a second detection message by the mobile terminal and the hotspot, and acquiring the real MAC address of the mobile terminal according to the second detection message.
Specifically, if the current MAC address is a random MAC address, the following steps are performed:
(1) the acquisition equipment adds a frequently-connected router hotspot name to the mobile terminal and specifies whether to hide the hotspot.
(2) And the acquisition equipment simulates and generates a hotspot with a specified name and continuously sends Beacon frame broadcast.
(3) And setting the hotspot for 20 seconds, switching an encryption mode, and when the hotspot name and the encryption mode are consistent with hotspot information connected with the mobile terminal, continuously sending a detection frame message by the mobile terminal and trying to connect, wherein the message sent by the mobile terminal carries a real MAC address, so that the acquisition equipment acquires the real MAC of the mobile terminal.
(4) And when the hotspot name and the encryption mode are inconsistent with the hotspot information connected with the mobile terminal, the mobile terminal tries to connect with the hotspot. Due to the fact that the connection passwords are inconsistent, the mobile terminal and the hot spot can be in failure of connection, the mobile terminal can mark that the hot spot can not be connected, and interaction between the mobile terminal and the hot spot can not occur. At this time, the hot spot switches the BSSID once according to a preset frequency (for example, every 10 seconds), and continuously sends Beacon frame broadcast, the mobile terminal retries connection when considering as a new hot spot, and the real MAC address of the mobile terminal can be acquired by continuously repeating the above process.
By implementing the real MAC address acquisition method provided by the embodiment of the invention, when the mobile terminal is not connected with the hot spot, the message data between the mobile terminal and the router is analyzed to obtain different frame types, and the real MAC address of the mobile terminal is acquired according to the different frame types, so that the real MAC address of the mobile terminal is acquired under the condition that the mobile terminal is not connected with the hot spot, the identity of the mobile terminal can be identified according to the real MAC address, and the acquisition and analysis efficiency of the message is improved.
Based on the same inventive concept, the embodiment of the invention provides a real MAC address acquisition system. As shown in fig. 2, the acquisition system includes a mobile terminal 100, a router 200, and an acquisition device 300, which communicate with each other. The mobile terminal includes, but is not limited to, a mobile phone and the like.
Further, as shown in fig. 3, the collecting apparatus 300 includes:
the acquiring unit 30 is configured to acquire message data between the mobile terminal and the router when the mobile terminal is not connected to the hotspot;
an analyzing unit 31, configured to analyze the packet data to obtain different frame types;
and the acquisition unit 32 is configured to acquire the real MAC address of the mobile terminal according to the different frame types.
Wherein, the analysis unit 31 is specifically configured to:
and analyzing the message data to obtain three types of frame types, wherein the three types of frame types comprise a control frame, a data frame and a management frame.
Wherein, the acquisition unit 32 is specifically configured to:
extracting a data frame type message from the message data according to the data frame, and acquiring a real MAC address of the mobile terminal according to the data frame type message;
and extracting a non-data frame type message from the message data according to the control frame and the management frame, and acquiring the real MAC address of the mobile terminal according to the non-data frame type message.
Further, the acquisition unit 32 is specifically configured to:
acquiring the current MAC address of the mobile terminal according to the non-data frame type message;
if the current MAC address is a random MAC address, adding a hot spot name to the mobile terminal, wherein the hot spot name is connected with the mobile terminal;
simulating to generate the hot spot of the hot spot name, and continuously sending Beacon frame broadcast outwards;
when the hotspot name and the encryption mode are consistent with the hotspot information connected with the mobile terminal, the mobile terminal and the hotspot continuously send a first detection message, and a real MAC address of the mobile terminal is obtained according to the first detection message;
and when the hotspot name and the encryption mode are inconsistent with the hotspot information connected with the mobile terminal, switching the BSSID of the hotspot according to a preset frequency, continuously sending Beacon frame broadcast to the outside, continuously sending a second detection message by the mobile terminal and the hotspot, and acquiring the real MAC address of the mobile terminal according to the second detection message.
It should be noted that, regarding the specific work flow of the acquisition device in this embodiment, please refer to the foregoing method embodiment, which is not described herein again.
By implementing the real MAC address acquisition system of the embodiment of the invention, when the mobile terminal is not connected with the hot spot, the message data between the mobile terminal and the router is analyzed to obtain different frame types, and the real MAC address of the mobile terminal is acquired according to the different frame types, so that the real MAC address of the mobile terminal is acquired under the condition that the mobile terminal is not connected with the hot spot, the identity of the mobile terminal can be identified according to the real MAC address, and the acquisition and analysis efficiency of the message is improved.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may also be an electric, mechanical or other form of connection.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for collecting a real MAC address is characterized by comprising the following steps:
when the mobile terminal is not connected with the hotspot, acquiring message data between the mobile terminal and the router;
analyzing the message data to obtain different frame types;
and acquiring the real MAC address of the mobile terminal according to different frame types.
2. The method for acquiring a real MAC address according to claim 1, wherein analyzing the packet data to obtain different frame types specifically comprises:
and analyzing the message data to obtain three types of frame types, wherein the three types of frame types comprise a control frame, a data frame and a management frame.
3. The method for acquiring a real MAC address according to claim 2, wherein acquiring the real MAC address of the mobile terminal according to the different frame types specifically includes:
extracting a data frame type message from the message data according to the data frame, and acquiring a real MAC address of the mobile terminal according to the data frame type message;
and extracting a non-data frame type message from the message data according to the control frame and the management frame, and acquiring the real MAC address of the mobile terminal according to the non-data frame type message.
4. The method for acquiring a real MAC address according to claim 2 or 3, wherein acquiring the real MAC address of the mobile terminal according to the non-data frame type packet specifically includes:
acquiring the current MAC address of the mobile terminal according to the non-data frame type message;
if the current MAC address is a random MAC address, adding a hot spot name to the mobile terminal, wherein the hot spot name is connected with the mobile terminal;
simulating to generate the hot spot of the hot spot name, and continuously sending Beacon frame broadcast outwards;
when the hotspot name and the encryption mode are consistent with the hotspot information connected with the mobile terminal, the mobile terminal and the hotspot continuously send a first detection message, and a real MAC address of the mobile terminal is obtained according to the first detection message;
and when the hotspot name and the encryption mode are inconsistent with the hotspot information connected with the mobile terminal, switching the BSSID of the hotspot according to a preset frequency, continuously sending Beacon frame broadcast to the outside, continuously sending a second detection message by the mobile terminal and the hotspot, and acquiring the real MAC address of the mobile terminal according to the second detection message.
5. An apparatus for acquiring a real MAC address, comprising:
the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring message data between a mobile terminal and a router when the mobile terminal is not connected with a hot spot;
the analysis unit is used for analyzing the message data to obtain different frame types;
and the acquisition unit is used for acquiring the real MAC address of the mobile terminal according to different frame types.
6. The apparatus for acquiring a real MAC address according to claim 5, wherein the analyzing unit is specifically configured to:
and analyzing the message data to obtain three types of frame types, wherein the three types of frame types comprise a control frame, a data frame and a management frame.
7. The apparatus for acquiring a real MAC address as claimed in claim 6, wherein the acquiring unit is specifically configured to:
extracting a data frame type message from the message data according to the data frame, and acquiring a real MAC address of the mobile terminal according to the data frame type message;
and extracting a non-data frame type message from the message data according to the control frame and the management frame, and acquiring the real MAC address of the mobile terminal according to the non-data frame type message.
8. The apparatus for acquiring a real MAC address as claimed in claim 6 or 7, wherein the acquiring unit is specifically configured to:
acquiring the current MAC address of the mobile terminal according to the non-data frame type message;
if the current MAC address is a random MAC address, adding a hot spot name to the mobile terminal, wherein the hot spot name is connected with the mobile terminal;
simulating to generate the hot spot of the hot spot name, and continuously sending Beacon frame broadcast outwards;
when the hotspot name and the encryption mode are consistent with the hotspot information connected with the mobile terminal, the mobile terminal and the hotspot continuously send a first detection message, and a real MAC address of the mobile terminal is obtained according to the first detection message;
and when the hotspot name and the encryption mode are inconsistent with the hotspot information connected with the mobile terminal, switching the BSSID of the hotspot according to a preset frequency, continuously sending Beacon frame broadcast to the outside, continuously sending a second detection message by the mobile terminal and the hotspot, and acquiring the real MAC address of the mobile terminal according to the second detection message.
9. A system for acquiring a real MAC address, comprising a mobile terminal, a router and an acquisition device communicating with each other, wherein the acquisition device is according to claim 8.
10. The system for acquiring a real MAC address as claimed in claim 9, wherein said mobile device comprises a handset.
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| CN202011292500.9A CN112511661A (en) | 2020-11-18 | 2020-11-18 | Method, device and system for collecting real MAC address |
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