CN102231887A - Method, system for finding AP (access point) with hidden SSID (service set identifier) and terminal device - Google Patents

Method, system for finding AP (access point) with hidden SSID (service set identifier) and terminal device Download PDF

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Publication number
CN102231887A
CN102231887A CN2011101667485A CN201110166748A CN102231887A CN 102231887 A CN102231887 A CN 102231887A CN 2011101667485 A CN2011101667485 A CN 2011101667485A CN 201110166748 A CN201110166748 A CN 201110166748A CN 102231887 A CN102231887 A CN 102231887A
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mac address
ssid
parsing module
module
hidden
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CN2011101667485A
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黄守旺
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World (Shanghai) Technology Development Co., Ltd.
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Shenzhen Temobi Science and Technology Co Ltd
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Abstract

The invention discloses a method and system for finding an AP (access point) with a hidden SSID (service set identifier) and a terminal device. The method for finding the AP with the hidden SSID comprises the following steps of: generating an AP detail table through scanning the current AP with a non-hidden SSID and AP parameters thereof; calculating an MAC (media access control) address of the AP by analyzing collected frame data; and comparing the MAC address of the AP with the MAC address in the AP detail table. If the MAC address of the AP is different with the MAC address in the AP detail table, the SSID corresponding to the MAC address of the AP is hidden. When the AP with the hidden SSID is found, non-hidden network parameters of the AP need to be adjusted to improve system security. A frequency channel and the SSID of the AP with the hidden SSID are analyzed through the AP detail table, the non-hidden frequency channel and the SSID of the AP are adjusted to avoid being disturbed, and a WiFi (wireless fidelity) terminal is avoided to be connected to an illegal AP with the hidden SSID information.

Description

A kind of method, system and terminal equipment of searching the AP that hides SSID
Technical field
The present invention relates to Internet technical field, relate in particular to a kind of method, system and terminal equipment of searching the AP that hides SSID.
Background technology
Two WiFi(wireless fidelity, wireless compatibility authentication) terminal can be operated in direct communication under the Ad-Hoc pattern, also can be at AP(Access Point, wireless access node, session point or access bridger) down communication of coordination, terminal and AP form the local area network (LAN) based on the WiFi communication mechanism.
3G's is flourish, the network bandwidth is greatly improved, telecom operators are in order to expand the number of users of oneself, all released WiFi focus separately (high-power leading the way) by the AP of function, the channel resource that how to distribute WiFi, the monitor network situation of handling up, network topology structure is resolved, disabled user's shielding all becomes the difficult point of focus management, at present, the WiFi tester all can only the identification signal overlay area, signal to noise ratio be connected speed, can not scan and hide SSID(Service Set Identifier, service set) number AP, can not monitor out rogue AP and malicious attacker, can not analyze the handle up situation of focus on a certain channel, can not accurately adjust channel and adjust the AP layout.
Summary of the invention
The purpose of the embodiment of the invention is to propose a kind of method, system and terminal equipment of searching the AP that hides SSID, being intended to solve in the prior art can only the identification signal overlay area, signal to noise ratio be connected speed, can not scan and hide SSID number AP, can not monitor out rogue AP and malicious attacker, the handle up situation of focus on a certain channel can not be analyzed, the technical problem of channel and adjustment AP layout can not be accurately adjusted.
The embodiment of the invention is achieved in that a kind of method of searching the AP that hides SSID, may further comprise the steps:
Scan the AP of current non-hiding SSID, the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, and described AP parameter comprises: the MAC(Media Access Contro of described AP, hardware address) address, channel, SSID;
The acquisition frame data;
Resolve the MAC Address of described frame data, calculate the MAC Address of AP;
Whether the corresponding SSID of MAC Address that judges described AP according to the MAC Address of described AP and the MAC Address in the AP details table is hidden;
Another purpose of the embodiment of the invention is to propose a kind of system of searching the AP that hides SSID, and described system comprises: scan module, acquisition module, parsing module and judge module;
Scan module links to each other with parsing module, is used to scan the AP of current non-hiding SSID, and the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, and described AP parameter comprises: the MAC Address of described AP, SSID;
Acquisition module links to each other with parsing module, is used for the acquisition frame data;
Parsing module links to each other with scan module, acquisition module and judge module, is used to resolve the MAC Address of described frame data, calculates the MAC Address of AP;
Judge module links to each other with parsing module, is used for judging according to the MAC Address of described AP and the MAC Address of AP details table whether the corresponding SSID of MAC Address of described AP is hidden;
Another purpose of the embodiment of the invention is to propose a kind of described terminal equipment of searching the system of the AP that hides SSID that includes.
Beneficial effect of the present invention:
The present invention is by the AP of the current non-hiding SSID of scanning, the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, described AP parameter comprises: the MAC Address of described AP, channel, SSID, by resolving the frame data that collected, calculate the MAC Address of AP, and the MAC Address of described AP and the MAC Address in the described AP details table compared, if the MAC Address in the MAC Address of described AP and the described AP details table is all inequality, then the SSID of the MAC Address correspondence of described AP is hidden, when finding have AP to hide SSID, then need to adjust the network parameter of non-hiding AP, improve security of system, go out to hide the channel that AP adopted of SSID simultaneously by AP details table analysis, SSID, adjust channel and the SSID of non-hiding AP, avoid disturbed, avoid the WiFi terminal to be connected to the rogue AP of hiding SSID information simultaneously.
Description of drawings
Fig. 1 is a kind of flow chart of searching the method for the AP that hides SSID of the embodiment of the invention;
Fig. 2 is a kind of general structure schematic diagram of searching the system of the AP that hides SSID of the embodiment of the invention;
Fig. 3 is a kind of concrete structure schematic diagram of searching the system of the AP that hides SSID of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated, for convenience of explanation, only show the part relevant with the embodiment of the invention.Should be appreciated that the specific embodiment that this place is described, only be used to explain the present invention, not in order to restriction the present invention.
The present invention is by the AP of the current non-hiding SSID of scanning, the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, described AP parameter comprises: the MAC(Media Access Contro of described AP, the hardware address) address, channel, SSID, by resolving the frame data that collected, calculate the MAC Address of AP, and the MAC Address of described AP and the MAC Address in the described AP details table compared, if the MAC Address in the MAC Address of described AP and the described AP details table is all inequality, then the SSID of the MAC Address correspondence of described AP is hidden, when finding have AP to hide SSID, then need to adjust the network parameter of non-hiding AP, improve security of system, go out to hide the channel that AP adopted of SSID simultaneously by AP details table analysis, SSID, adjust channel and the SSID of non-hiding AP, avoid disturbed, avoid the WiFi terminal to be connected to the rogue AP of hiding SSID information simultaneously.
Embodiment one
A kind of method flow diagram of searching the AP that hides SSID of Fig. 1 embodiment of the invention.Described method may further comprise the steps:
S101 scans the AP of current non-hiding SSID, and the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, and described AP parameter comprises: the MAC Address of described AP, SSID;
S102, the acquisition frame data are specially: the data of using packet capturing software extracting AP and WiFi terminal to intercom mutually;
S103 resolves the MAC Address of described frame data, calculates the MAC Address of AP;
The MAC Address of described non-AP is the MAC Address of the terminal equipment of connection AP;
Get rid of the MAC Address of non-AP according to 802.11 frame control protocols, then determined the MAC Address of AP;
S104 judges according to MAC Address and the MAC Address in the AP details table of described AP whether the corresponding SSID of MAC Address of described AP is hidden, and is specially:
With the MAC Address of described AP one by one with AP details table in MAC Address compare, if the MAC Address in the MAC Address of described AP and the described AP details table is all inequality, then the SSID of the MAC Address correspondence of described AP is hidden.
The further optimization of such scheme is that described step " acquisition frame data " also comprises step afterwards:
S1021, the quantity of the AP of the non-hiding SSID that calculating scans is first quantity;
The AP of described non-hiding SSID quantity be the quantity of the AP that writes down in the described AP details table;
S1022 calculates the quantity of MAC Address different in the frame data collected and different MAC Address thereof, accumulative total second quantity;
S1023 gets rid of the quantity of the MAC Address of non-AP, is the 3rd quantity;
According to 802.11 frame control protocols MAC Address of the non-AP of deletion in the different MAC Address from the described frame data that collect, the quantity of the MAC Address of the non-AP of described deletion is the 3rd quantity;
S1024, the MAC Address quantity of calculating AP is the 4th quantity, is specially second quantity and subtracts the 3rd quantity;
The quantity of the MAC Address after the MAC Address of the non-AP of described deletion is the 4th quantity;
The quantity of the AP that S1025, SSID are hidden is: the 4th quantity subtracts first quantity;
Pass through the AP of the current non-hiding SSID of scanning in the embodiment of the invention, the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, described AP parameter comprises: the MAC Address of described AP, channel, SSID, the frame data that collect by parsing, calculate the MAC Address of AP, and the MAC Address of described AP and the MAC Address in the described AP details table compared, if the MAC Address in the MAC Address of described AP and the described AP details table is all inequality, then the SSID of the MAC Address correspondence of described AP is hidden, when finding have AP to hide SSID, then need to adjust the network parameter of non-hiding AP, improve security of system, go out to hide the channel that AP adopted of SSID simultaneously by AP details table analysis, SSID, adjust channel and the SSID of non-hiding AP, avoid disturbed, avoid the WiFi terminal to be connected to the rogue AP of hiding SSID information simultaneously; The quantity of the AP of the non-hiding SSID that scans by calculating, the quantity of getting rid of the MAC Address of non-AP, calculate the MAC Address quantity of AP, finally obtain the quantity of the AP that SSID is hidden, the reference value of weighing security of system further is provided, the quantity of the AP that is hidden according to described SSID is adjusted the network parameter of non-hiding AP, further improve security of system, the situation of handling up that simultaneously can clear and definite each channel and provide reference value for adjusting network topology structure, be convenient to the user and accurately adjust channel and AP layout, the quantity of the AP that is hidden according to SSID is further adjusted channel and the SSID of non-hiding AP, further avoid disturbed, further avoid simultaneously the WiFi terminal to be connected to the rogue AP of hiding SSID information, reduce system risk.
Embodiment two
Fig. 2 is a kind of structural representation of searching the system of the AP that hides SSID of the embodiment of the invention.
Described system comprises: scan module, acquisition module, parsing module and judge module;
Scan module links to each other with parsing module, is used to scan the AP of current non-hiding SSID, and the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, and described AP parameter comprises: the MAC Address of described AP, channel, SSID;
Acquisition module links to each other with parsing module, is used for the acquisition frame data;
Parsing module links to each other with scan module, acquisition module and judge module, is used to resolve the MAC Address of the frame data that collected, and calculates the MAC Address of AP;
The MAC Address of described non-AP is the MAC Address of the terminal equipment of connection AP;
Judge module links to each other with parsing module, is used for judging according to the MAC Address of described AP and the MAC Address of AP details table whether the corresponding SSID of MAC Address of described AP is hidden;
The further optimization of such scheme is, described acquisition module also comprises the packet capturing module, be a kind of concrete structure schematic diagram of searching the system of the AP that hides SSID of the embodiment of the invention as shown in Figure 3, described packet capturing module links to each other with parsing module, is used to the data of using packet capturing software extracting AP and WiFi terminal to intercom mutually;
The further optimization of such scheme is that described MAC Address is made up of the MAC Address of AP and the MAC Address of non-AP;
Described parsing module also comprises the eliminating module, be a kind of concrete structure schematic diagram of searching the system of the AP that hides SSID of the embodiment of the invention as shown in Figure 3, described eliminating module links to each other with judge module, is used for getting rid of according to the frame control protocol MAC Address of non-AP, determines the MAC Address of AP;
The further optimization of such scheme is, described parsing module also comprises first parsing module, second parsing module, the 3rd parsing module and the 4th parsing module, is a kind of concrete structure schematic diagram of searching the system of the AP that hides SSID of the embodiment of the invention as shown in Figure 3;
First parsing module links to each other with second parsing module, is used to calculate the quantity of the AP of the non-hiding SSID that scans, is first quantity;
Second parsing module links to each other with first parsing module, the 3rd parsing module and the 4th parsing module, is used for calculating the quantity of different MAC Address of the frame data that collected and different MAC Address thereof, accumulative total second quantity;
The 3rd parsing module links to each other with the 4th parsing module with second parsing module, is used to get rid of the quantity of the MAC Address of non-AP, is the 3rd quantity;
The 4th parsing module links to each other with second parsing module, the 3rd parsing module and the 5th parsing module, is used to calculate the MAC Address quantity of AP, is the 4th quantity, is specially second quantity and subtracts the 3rd quantity;
The 5th parsing module links to each other with first parsing module, the 3rd parsing module, and the quantity that is used for the AP that SSID is hidden is: the 4th quantity subtracts first quantity;
Scan the AP of current non-hiding SSID in the embodiment of the invention by scan module, the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, by acquisition module acquisition frame data, resolve the frame data that collect by parsing module, calculate the MAC Address of AP, by judge module the MAC Address of described AP and the MAC Address in the described AP details table are compared, if the MAC Address in the MAC Address of described AP and the described AP details table is all inequality, then the SSID of the MAC Address correspondence of described AP is hidden, when finding have AP to hide SSID, then need to adjust the network parameter of non-hiding AP, improve security of system, go out to hide the channel that AP adopted of SSID simultaneously by AP details table analysis, SSID, adjust channel and the SSID of non-hiding AP, avoid disturbed, avoid the WiFi terminal to be connected to the rogue AP of hiding SSID information simultaneously; Calculate the quantity of the AP of the non-hiding SSID that scans by the eliminating module of parsing module, the quantity of getting rid of the MAC Address of non-AP, calculate the MAC Address quantity of AP, finally obtain the quantity of the AP that SSID is hidden, the reference value of weighing security of system further is provided, the quantity of the AP that is hidden according to described SSID is adjusted the network parameter of non-hiding AP, further improve security of system, the situation of handling up that simultaneously can clear and definite each channel and provide reference value for adjusting network topology structure, be convenient to the user and accurately adjust channel and AP layout, the quantity of the AP that is hidden according to SSID is further adjusted channel and the SSID of non-hiding AP, further avoid disturbed, further avoid simultaneously the WiFi terminal to be connected to the rogue AP of hiding SSID information, reduce system risk;
System of searching the AP that hides SSID provided by the invention can be applied to search on the terminal equipment of the AP that hides SSID, for example WiFi tester etc.

Claims (10)

1. a method of searching the AP that hides SSID is characterized in that, said method comprising the steps of:
Scan the AP of current non-hiding SSID, the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, and described AP parameter comprises: the MAC Address of described AP, SSID;
The acquisition frame data;
Resolve the MAC Address of described frame data, calculate the MAC Address of AP;
Whether the corresponding SSID of MAC Address that judges described AP according to the MAC Address of described AP and the MAC Address in the AP details table is hidden.
2. method of searching the AP that hides SSID according to claim 1 is characterized in that described step " acquisition frame data " is specially:
The data of using packet capturing software extracting AP and WiFi terminal to intercom mutually.
3. method of searching the AP that hides SSID according to claim 1 is characterized in that described MAC Address is made up of the MAC Address of AP and the MAC Address of non-AP;
The described MAC Address that calculates AP is specially:
Get rid of the MAC Address of non-AP according to the frame control protocol, determine the MAC Address of AP.
4. method of searching the AP that hides SSID according to claim 1 is characterized in that described step " whether the corresponding SSID of MAC Address that judges described AP according to MAC Address and the MAC Address in the AP details table of described AP is hidden " is specially:
With the MAC Address of described AP one by one with AP details table in MAC Address compare, if the MAC Address in the MAC Address of described AP and the described AP details table is all inequality, then the SSID of the MAC Address correspondence of described AP is hidden.
5. method of searching the AP that hides SSID according to claim 1 is characterized in that described step " acquisition frame data " also comprises step afterwards:
The quantity of the AP of the non-hiding SSID that calculating scans is first quantity;
Calculate the quantity of MAC Address different in the frame data collected and different MAC Address thereof, accumulative total second quantity;
The quantity of getting rid of the MAC Address of non-AP is the 3rd quantity;
Calculating the MAC Address quantity of AP, is the 4th quantity, is specially second quantity and subtracts the 3rd quantity;
The quantity of the AP that SSID is hidden is: the 4th quantity subtracts first quantity.
6. system of searching the AP that hides SSID, described system comprises: scan module, acquisition module, parsing module and judge module;
Scan module links to each other with parsing module, is used to scan the AP of current non-hiding SSID, and the AP of described current non-hiding SSID and AP parameter thereof generate AP details table, and described AP parameter comprises: the MAC Address of described AP, SSID;
Acquisition module links to each other with parsing module, is used for the acquisition frame data;
Parsing module links to each other with scan module, acquisition module and judge module, is used to resolve the MAC Address of described frame data, calculates the MAC Address of AP;
Judge module links to each other with parsing module, is used for judging according to the MAC Address of described AP and the MAC Address of AP details table whether the corresponding SSID of MAC Address of described AP is hidden.
7. system of searching the AP that hides SSID according to claim 6, it is characterized in that, described acquisition module also comprises the packet capturing module, and described packet capturing module links to each other with parsing module, is used to the data of using packet capturing software extracting AP and WiFi terminal to intercom mutually.
8. system of searching the AP that hides SSID according to claim 6 is characterized in that described MAC Address is made up of the MAC Address of AP and the MAC Address of non-AP;
Described parsing module also comprises the eliminating module, and described eliminating module links to each other with judge module, is used for getting rid of according to the frame control protocol MAC Address of non-AP, determines the MAC Address of AP.
9. system of searching the AP that hides SSID according to claim 6 is characterized in that described parsing module also comprises first parsing module, second parsing module, the 3rd parsing module and the 4th parsing module;
First parsing module links to each other with second parsing module, is used to calculate the quantity of the AP of the non-hiding SSID that scans, is first quantity;
Second parsing module links to each other with first parsing module, the 3rd parsing module and the 4th parsing module, is used for calculating the quantity of different MAC Address of the frame data that collected and different MAC Address thereof, accumulative total second quantity;
The 3rd parsing module links to each other with the 4th parsing module with second parsing module, is used to get rid of the quantity of the MAC Address of non-AP, is the 3rd quantity;
The 4th parsing module links to each other with second parsing module, the 3rd parsing module and the 5th parsing module, is used to calculate the MAC Address quantity of AP, is the 4th quantity, is specially second quantity and subtracts the 3rd quantity;
The 5th parsing module links to each other with first parsing module, the 3rd parsing module, and the quantity that is used for the AP that SSID is hidden is: the 4th quantity subtracts first quantity.
10. a terminal equipment of searching the AP that hides SSID is characterized in that, described terminal equipment comprises the described system of searching the AP that hides SSID of claim 6.
CN2011101667485A 2011-06-21 2011-06-21 Method, system for finding AP (access point) with hidden SSID (service set identifier) and terminal device Pending CN102231887A (en)

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CN102438238A (en) * 2011-12-28 2012-05-02 武汉虹旭信息技术有限责任公司 Method for detecting illegal AP (Assembly Program) under centralized WLAN (Wireless Local Area Network) environment
CN103888949A (en) * 2012-12-19 2014-06-25 杭州华三通信技术有限公司 Illegal AP prevention method and device
CN103067943A (en) * 2013-01-25 2013-04-24 公安部第三研究所 Method for confirming existence of WiFi (wireless fidelity) mobile terminal and counting number thereof
CN103901844A (en) * 2014-03-13 2014-07-02 惠州Tcl移动通信有限公司 Intelligent home control method and system based on Alljoyn technology
CN106162711A (en) * 2015-04-10 2016-11-23 富士通株式会社 Identify the methods, devices and systems of concealed terminal
CN106162711B (en) * 2015-04-10 2019-11-05 富士通株式会社 Identify the methods, devices and systems of concealed terminal
CN104981000A (en) * 2015-07-20 2015-10-14 陕西师范大学 Invisible WiFi hotspot automatic connection device and method thereof
CN104981000B (en) * 2015-07-20 2018-06-08 陕西师范大学 A kind of stealthy Wi-Fi hotspot automatic accessing device and method
CN107027121A (en) * 2016-01-29 2017-08-08 宇龙计算机通信科技(深圳)有限公司 A kind of WiFi network safety access method and device
WO2017128546A1 (en) * 2016-01-29 2017-08-03 宇龙计算机通信科技(深圳)有限公司 Method and apparatus for securely accessing wifi network
CN106804055A (en) * 2017-02-20 2017-06-06 广东欧珀移动通信有限公司 A kind of Wireless Fidelity Wi Fi connection methods and mobile terminal
US11070529B2 (en) 2017-02-20 2021-07-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for wireless fidelity connection and related products
US10873900B2 (en) 2017-02-20 2020-12-22 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for wireless fidelity connection and related products
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CN106804055B (en) * 2017-02-20 2019-05-28 Oppo广东移动通信有限公司 A kind of Wireless Fidelity Wi-Fi connection method and mobile terminal
CN106658672B (en) * 2017-02-20 2019-08-20 Oppo广东移动通信有限公司 A kind of Wireless Fidelity Wi-Fi connection method and mobile terminal
CN106658672A (en) * 2017-02-20 2017-05-10 广东欧珀移动通信有限公司 Wireless fidelity Wi-Fi connecting method and mobile terminal
CN106792715A (en) * 2017-04-14 2017-05-31 杭州亚古科技有限公司 Illegal wireless AP detection methods and device
CN106792715B (en) * 2017-04-14 2019-10-08 杭州亚古科技有限公司 Illegal wireless AP detection method and device
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CN115134881B (en) * 2017-08-23 2023-11-10 华为技术有限公司 Wi-Fi hotspot connection method and terminal
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