CN106970878B - A kind of debugging event monitoring method and debugging event monitoring system - Google Patents
A kind of debugging event monitoring method and debugging event monitoring system Download PDFInfo
- Publication number
- CN106970878B CN106970878B CN201710187477.9A CN201710187477A CN106970878B CN 106970878 B CN106970878 B CN 106970878B CN 201710187477 A CN201710187477 A CN 201710187477A CN 106970878 B CN106970878 B CN 106970878B
- Authority
- CN
- China
- Prior art keywords
- terminal
- debugging
- data
- debugging event
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
- G06F11/362—Software debugging
- G06F11/3644—Software debugging by instrumenting at runtime
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
Abstract
The present invention provides a kind of debugging event monitoring method, comprising: during connection exception occurs between first terminal and second terminal or disconnects, monitors the debugging event on first terminal and stores monitoring information；When restoring normal connection between first terminal and second terminal, second terminal is sent for the data including the monitoring information by first terminal.The invention also discloses a kind of debugging event monitoring systems.Debugging event monitoring method and debugging event monitoring system through the invention can monitor the debugging event occurred during first terminal connect exception with second terminal or disconnects, and implement respective handling to the first terminal that debugging event occurs.
Description
Technical field
The present invention relates to information protection field more particularly to a kind of debugging event monitoring method and debugging event monitoring systems
System.
Background technique
As computer technology is universal and applies, computer software is developed rapidly with hardware industry.Utilize computer
When technology communicates, attacker can be by utilizing the conversed analysis skills such as static disassembly tool or Dynamic Debugging Tool
Art carries out analysis to communication protocol and cracks, to be distorted communication protocol to obtain unlawful interests.
Conversed analysis technology includes two parts of dis-assembling technology and inverse compiling technique.
Dis-assembling technology is that executable binary machine code dis-assembling is become substantially readable assembly language program(me) generation
The method of code, generally comprises static disassembly technology and dynamic dis-assembling technology.Static disassembly is that binary code is primary
Property be all translated as assembly code, when using the technology, handle the time-consuming of binary file with the size of binary file at just
Than.Dynamic dis-assembling is the binary program that disassembler is loaded by analyzing, and captures operation characteristic instruction, is translated into
Readable assembly code.
It is readable stronger higher-level language code that inverse compiling technique, which is the further decompiling of assembler,.The prior art
In, tamper-resistance techniques and anti-debug technology are generallyd use to resist illegal use.Tamper-resistance techniques are to prevent from being maliciously tampered,
If it find that being maliciously tampered, then executing corresponding punitive measures.Anti-debug is that debugging software is detected or confused, and is made
Debugging software analysis mistake is not normally functioning.
In the prior art, there are this problems: since communication abnormality or disconnection occurring between request end and requested end
When, the behaviors such as local debugging occur for request end, and when request end communicates again with requested end, requested end is still
Meeting normal response, requested end can not punish request end at this time.
Summary of the invention
The present invention provides a kind of methods for debugging event monitoring, and the behaviors such as local debugging can be carried out to request end and are carried out
Monitoring, and punitive measures is implemented according to debugging behavior.
To solve the above-mentioned problems, the present invention provides a kind of debugging event monitoring methods, comprising steps of
During connection exception occurs between first terminal and second terminal or disconnects, the tune on first terminal is monitored
Examination event simultaneously stores monitoring information；
It will include the monitoring information by first terminal when restoring normal connection between first terminal and second terminal
Data be sent to second terminal.
Preferably, whether debugging software is run according to first terminal to determine whether debugging event occurs.
Preferably, whether request to execute specific operation relevant to debugging according to first terminal or be requested according to first terminal
The interval time of the specific operation is executed to determine whether debugging event occurs.
Preferably, second terminal believes the monitoring in the data after the first terminal reception data
Breath is checked.
Preferably, second terminal is that first terminal executes predetermined measures when debugging event has occurred in inspection result.
Preferably, second terminal carries out the validity of the data after receiving the data from the first terminal
It checks.
Preferably, the second terminal by the signing messages for generating time and/or the data to the data into
Row checks the validity to determine the data.
Preferably, the content of the monitoring information includes about whether identification information, the debugging process that debugging event occurs
The IP information of information, debug time and/or first terminal.
Preferably, the predetermined measures include implementing locking to first terminal or refusing to provide first terminal to first terminal
Required data or information.
The invention also discloses a kind of debugging event monitoring system, including monitoring device and second terminal, the monitoring dress
It sets and is connected to first terminal or is mounted in first terminal, the first terminal includes first communication module, the second terminal
Including state verification module and second communication module；
The monitoring device is configured to, and connection exception occurs between first communication module and second communication module or disconnects
During connection, monitors the debugging event on first terminal and store monitoring information；
The first communication module or the monitoring device are configured to, when between first communication module and second communication module
When restoring normal connection, the second communication module is sent by the data including the monitoring information；
The second communication module is configured to receive the data；
The state verification module is configured to check the monitoring information in the data.
Preferably, second terminal further includes execution module, be configured to be in the inspection result of the state verification module
First terminal executes predetermined measures when debugging event has occurred.
Preferably, the state verification module is further configured to check the validity of the data.
Preferably, the state verification module is configured to the signature for generating time and/or the data to the data
Information is checked the validity to determine the data.
Preferably, the monitoring device is configured to, whether debugging software is run according to the first terminal to determine whether
Debugging event occurs.
Preferably, whether the monitoring device is configured to, requested to execute specific behaviour relevant to debugging according to first terminal
Make or the interval time of the specific operation is executed according to first terminal request to determine whether debugging event occurs.
Compared with prior art, the beneficial effects of the present invention are: can monitor first terminal connect with second terminal it is different
The debugging event often or during disconnecting occurred, and punitive measures is implemented to the first terminal that debugging event occurs.
Detailed description of the invention
Fig. 1 is the schematic flow chart of the debugging event monitoring method of the embodiment of the present invention；
Fig. 2 is the schematic block diagram of the debugging event monitoring system of the embodiment of the present invention；
Fig. 3 is the schematic block diagram of the debugging event monitoring system of another embodiment of the present invention.
Specific embodiment
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as to limit of the invention
It is fixed.
Fig. 1 shows the schematic flow chart of debugging event monitoring method of the invention.As shown in Figure 1, tune of the invention
Event monitoring method is tried, is included the following steps:
S1 is monitored on first terminal during connection exception occurs between first terminal and second terminal or disconnects
Debugging event and store monitoring information；
S2 will include monitoring information by first terminal when restoring normal connection between first terminal and second terminal
Data be sent to second terminal.
By using the debugging event monitoring method of the embodiment of the present invention, when the user of first terminal is in first terminal and
Data or association during connection exception occurs between two terminals or disconnects, by the interaction in first terminal analysis unilateral side
View, so that the tune on first terminal can be monitored when gradually detecting the data interactive mode between first terminal and second terminal
Examination event simultaneously stores monitoring information, when restoring normal connection between first terminal and second terminal, second terminal can be made to obtain
Take the monitoring information.
The embodiment of the present invention efficiently solves the first terminal in the prior art that is unable to monitor and connect exception with second terminal
Or during disconnecting the debugging event occurred on first terminal the problem of.
In embodiments of the present invention, it during first terminal keeps normally connecting with second terminal, also can be monitored in real time
Debugging event on first terminal simultaneously stores monitoring information, then periodically or non-periodically sends second terminal for monitoring information.
In an embodiment of the invention, in S2, when restoring normal connection between first terminal and second terminal, can lead to
It crosses first terminal and monitoring information is individually sent to second terminal, can also be believed monitoring information and business by first terminal
Breath transmits second terminal together.
It in an alternative embodiment of the invention,, can be with when restoring normal connection between first terminal and second terminal in S2
Second terminal is not sent data to by first terminal, but data are passed through into monitoring debugging event or the dress of storage monitoring information
It sets and is sent directly to second terminal.
In one embodiment of the invention, in S1, connection exception or the company of disconnection occur between first terminal and second terminal
During connecing, debugging event whether occurs on monitoring first terminal can judge according to whether first terminal runs debugging software.
For example, the identification information of some common debugging softwares can be prestored, by will run on the identification information and first terminal
The identification information of software is compared to determine whether debugging event has occurred.
In another embodiment, in S1, it is abnormal or disconnected that connection occurs between first terminal and second terminal
During opening connection, monitor whether occur whether debugging event can request to execute and debugging phase according to first terminal on first terminal
The specific operation of pass requests the interval time for executing specific operation to judge according to first terminal.For example, can prestore
The value range of common debugging operations instruction or specific operating instructions and its execution interval, by will be instructed performed by first terminal
It compares with the instruction prestored, or by determining that whether first terminal executes the time interval of specific instruction in the value range prestored
Within judge that debugging event whether has occurred on first terminal.
In further embodiment of the present invention, second terminal believes the monitoring in data after first terminal reception data
Breath is checked.When individually sending monitoring information, second terminal is checked monitoring information not only include believing monitoring
The content of breath is checked, further includes checking the validity of monitoring information.It include that monitoring information and business are believed when sending
When the data packet of breath, only the content of monitoring information can be checked.
In embodiments of the present invention, second terminal is to execute to make a reservation for when debugging event has occurred in first terminal in inspection result
Measure.Therefore, even if being deposited on first terminal during connection exception occurs between first terminal and second terminal or disconnects
In debugging event, second terminal also can execute predetermined measures to first terminal.That is, second terminal can be directed to always
The behavior that debugging event occurs for first terminal executes predetermined measures, which is likely to be delayed execution.
In various embodiments of the present invention, the predetermined measures that second terminal executes first terminal may include to first terminal
Implement locking or refuses to provide data or information required by first terminal to first terminal.The predetermined measures can be according to monitoring
The difference of information and it is different, that is, if showing that first terminal debugs the relevant information of A business in monitoring information,
Then can choose only refusal provides A business relevant information, and other business unrelated with A business can be provided to first terminal
Business information.
In an embodiment of the invention, second terminal is after receiving data from first terminal, to the validity of data into
Row checks.Wherein, data can be the data including monitoring information and business information.Believe when second terminal is received including monitoring
The data packet with business information is ceased, second terminal can check the validity of data entirety, can also be to monitoring information
Validity check is carried out respectively with business information.
In embodiments of the present invention, second terminal can by data generate the time, data signing messages or this
The two is checked the validity to determine data.Second terminal can be after determining the validity of data, then in data
Appearance is checked.For example, after the monitoring information for determining first terminal is effective, then the content of the monitoring information is checked,
To ensure information security, and determine information from monitored first terminal.
In embodiments of the present invention, the content of monitoring information may include about whether the mark letter that debugging event occurs
The IP information of breath, debugging process information, debug time and/or first terminal.Second terminal can be according to the content of monitoring information
Reservation measure is executed to first terminal, for example, when determining that debugging event, second terminal repeatedly occur for first terminal according to IP information
The first terminal can be locked, makes first terminal that can not carry out data interaction with second terminal.Furthermore it is possible to pass through first terminal
IP information realize locating and tracking, event can also be debugged according to debugging process information tracing.In addition, second terminal can be with
Store predetermined measures relevant information corresponding with the content of monitoring information.
Fig. 2 is the schematic block diagram of the debugging event monitoring system of the embodiment of the present invention.
As shown in Fig. 2, debugging event monitoring system of the invention, including monitoring device 1 and second terminal 2, monitoring device 1
It is connected to first terminal 3 or is mounted in first terminal 3, first terminal 3 includes first communication module 4, and second terminal 2 includes shape
State authentication module 5 and second communication module 6.
Monitoring device 1 is configured to that connection exception or the company of disconnection occur between first communication module 4 and second communication module 6
During connecing, monitors the debugging event on first terminal 3 and store monitoring information.
First communication module 4 is configurable to when the normal connection of recovery between first communication module 4 and second communication module 6
When, second communication module 6 is sent by the data including monitoring information.First communication module 4 can individually send out monitoring information
It is sent to the second communication module 6 of second terminal 2, monitoring information and business information can also be transmitted together to second eventually
End 2.
During the first communication module 4 of first terminal 3 keeps normally connecting with the second communication module 6 of second terminal 2,
By the debugging event on 1 real-time monitoring first terminal 3 of monitoring device and it can be sent to second terminal 2, can also be filled by monitoring
It sets 1 and first stores monitoring information when monitoring debugging event, then periodically or non-periodically send second terminal for monitoring information
2。
In some embodiments of the invention, monitoring device 1 has communication function, can will directly be monitored by monitoring device 1
Information is sent to second communication module 6.
In embodiments of the present invention, monitoring device 1 whether debugging software can be run according to first terminal 3 to determine whether
Debugging event occurs, or whether can also request to execute relevant to debugging specific operation according to first terminal 3 or according to the
One terminal 3 requests to execute the interval time of specific operation to determine whether debugging event occurs.
Second communication module 6 is configured to receive from first communication module 4 or the monitoring device 1 for having communication function including prison
The data of measurement information.
State verification module 5 is configured to check the monitoring information in data.
In the embodiment of the present invention, state verification module 5 can be further configured to the number received to second communication module 6
According to validity checked that the data that second communication module 6 receives can be the number including monitoring information and business information
According to the data for either only including monitoring information.State verification module 5 is configurable to examine the validity of data entirety
It looks into, validity check can also be carried out respectively to monitoring information and business information.State verification module 5 can be pair with concrete configuration
The generation time of data and/or the signing messages of data are checked the validity to determine data.
By using the debugging event monitoring system of the embodiment of the present invention, when first terminal 3 user first terminal 3 with
Connection exception occurs between second terminal 2 or during disconnecting, by analyzed in first terminal 3 unilateral interaction data or
Agreement, to can be supervised by monitoring device 1 when gradually detecting the data interactive mode between first terminal 3 and second terminal 2
The debugging event surveyed on first terminal 3 simultaneously stores monitoring information, when restoring normal connection between first terminal 3 and second terminal 2
When, the monitoring information can be sent to second terminal 2 by monitoring device 1 or first terminal 3.
Using the system above of the embodiment of the present invention, it can effectively detect whether first terminal 3 has occurred local debugging
Event, and corresponding measure can be executed restoring the first time after connection with second terminal 2, having prevents from distorting and accurately punish
The advantages of penalizing.
In embodiments of the present invention, first terminal 3 can be the PC machine as client, be also possible to secure hardware
The PC machine of equipment, second terminal 2 can be the server as server-side, for example, Cloud Server.
Fig. 3 is the schematic block diagram of the debugging event monitoring system of another embodiment of the present invention.
As shown in figure 3, second terminal 2 further includes execution module 7 in the present embodiment, it is configured in state verification module 5
Inspection result be that first terminal 3 executes predetermined measures when debugging event has occurred.For example, when monitoring device 1 is believed according to monitoring
IP information in breath determines that more than 3 generation debugging events of first terminal, execution module 7 can lock the first terminal 3, pass through example
As the mode of message of the shielding from the IP address makes first terminal 3 that can not carry out data interaction with second terminal 2.
Therefore, even if occurring to connect exception between second communication module 6 in first communication module 4 or disconnecting the phase
Between, there are when debugging event on first terminal 3, second terminal 2 also be can be realized to the execution predetermined measures of first terminal 3.Also
It is to say, second terminal 2 can execute predetermined measures for the behavior for the debugging event that first terminal 3 occurs always, this makes a reservation for arrange
It applies and is likely to be delay.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (11)
1. a kind of debugging event monitoring method, which is characterized in that comprising steps of
During connection exception occurs between first terminal and second terminal or disconnects, the debugging thing on first terminal is monitored
Part simultaneously stores monitoring information；
When restoring normal connection between first terminal and second terminal, second is sent by the data including the monitoring information
Terminal,
The second terminal examines the monitoring information in the data after the first terminal reception data
It looks into, also, predetermined measures is executed based on inspection result,
Second terminal is that first terminal executes predetermined measures when debugging event has occurred in inspection result,
The predetermined measures include implementing locking to first terminal or refusing to provide number required by first terminal to first terminal
According to or information.
2. debugging event monitoring method according to claim 1, which is characterized in that whether run debugging according to first terminal
Software is to determine whether occur debugging event.
3. debugging event monitoring method according to claim 1, which is characterized in that whether request to execute according to first terminal
Specific operation relevant to debugging executes the interval time of the specific operation to determine whether hair according to first terminal request
Raw debugging event.
4. debugging event monitoring method according to claim 1, which is characterized in that second terminal is from the first terminal
After receiving the data, the validity of the data is checked.
5. debugging event monitoring method according to claim 4, which is characterized in that the second terminal passes through to the number
According to generation time and/or the signing messages of the data checked the validity to determine the data.
6. debugging event monitoring method according to any one of claim 1 to 3, which is characterized in that the monitoring information
Content include about whether occur debugging event identification information, debugging process information, debug time and/or first terminal
IP information.
7. a kind of debugging event monitoring system, which is characterized in that including monitoring device and second terminal, the monitoring device connection
It to first terminal or is mounted in first terminal, the first terminal includes first communication module, and the second terminal includes shape
State authentication module and second communication module；
The monitoring device is configured to, and connection exception occurs between first communication module and second communication module or disconnects
Period monitors the debugging event on first terminal and stores monitoring information；
The first communication module or the monitoring device are configured to, when restoring between first communication module and second communication module
When normal connection, the second communication module is sent by the data including the monitoring information；
The second communication module is configured to receive the data；
The state verification module is configured to check the monitoring information in the data,
Second terminal further includes execution module, and the inspection result for being configured to the state verification module executes predetermined arrange
It applies,
Execution module is configured in the inspection result of the state verification module be execution when debugging event has occurred in first terminal
Predetermined measures,
The predetermined measures include implementing locking to first terminal or refusing to provide number required by first terminal to first terminal
According to or information.
8. debugging event monitoring system according to claim 7, which is characterized in that the state verification module is further matched
It is set to and the validity of the data is checked.
9. debugging event monitoring system according to claim 8, which is characterized in that the state verification module is configured to pair
The generation time of the data and/or the signing messages of the data are checked the validity to determine the data.
10. debugging event monitoring system according to claim 7, which is characterized in that the monitoring device is configured to, according to
Whether the first terminal runs debugging software to determine whether debugging event occurs.
11. debugging event monitoring system according to claim 7, which is characterized in that the monitoring device is configured to, according to
Whether first terminal requests to execute specific operation relevant to debugging or executes the specific operation according to first terminal request
Interval time is to determine whether occur debugging event.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187477.9A CN106970878B (en) | 2017-03-27 | 2017-03-27 | A kind of debugging event monitoring method and debugging event monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187477.9A CN106970878B (en) | 2017-03-27 | 2017-03-27 | A kind of debugging event monitoring method and debugging event monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106970878A CN106970878A (en) | 2017-07-21 |
| CN106970878B true CN106970878B (en) | 2019-11-12 |
Family
ID=59335411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710187477.9A Active CN106970878B (en) | 2017-03-27 | 2017-03-27 | A kind of debugging event monitoring method and debugging event monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106970878B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549602B (en) * | 2018-03-30 | 2022-03-08 | 深圳市江波龙电子股份有限公司 | Software debugging method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7660412B1 (en) * | 2005-12-09 | 2010-02-09 | Trend Micro Incorporated | Generation of debug information for debugging a network security appliance |
| CN102713858B (en) * | 2011-01-12 | 2015-11-25 | 丰田自动车株式会社 | The on-line debugging system of signal conditioning package and on-line debugging method |
| CN104503907B (en) * | 2014-12-15 | 2017-08-29 | 深圳市盛弘电气股份有限公司 | A kind of application program remote adjustment method and system based on Linux system |
| CN106021024B (en) * | 2016-05-20 | 2019-07-19 | Oppo广东移动通信有限公司 | A kind of user terminal stops response reminding method and user terminal |
-
2017
- 2017-03-27 CN CN201710187477.9A patent/CN106970878B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106970878A (en) | 2017-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10594589B2 (en) | Systems and methods for automated determination of network device transiting data attributes | |
| CN107294808B (en) | Interface test method, device and system | |
| US9639456B2 (en) | Network-based testing service and method of testing in a network | |
| CN111984975B (en) | Vulnerability attack detection system, method and medium based on mimicry defense mechanism | |
| US20060064598A1 (en) | Illegal access preventing program, apparatus, and method | |
| US10574671B2 (en) | Method for monitoring security in an automation network, and automation network | |
| CN108347361B (en) | Application program testing method and device, computer equipment and storage medium | |
| CN106998323B (en) | Application layer network attack simulation method, device and system | |
| CN110943984B (en) | Asset safety protection method and device | |
| CN114301673A (en) | Vulnerability detection method and device, electronic equipment and storage medium | |
| CN107168844B (en) | Performance monitoring method and device | |
| CN113468075A (en) | Security testing method and system for server-side software | |
| CN106970878B (en) | A kind of debugging event monitoring method and debugging event monitoring system | |
| CN112116997B (en) | Remote diagnosis method, device and system, electronic equipment and computer readable storage medium | |
| CN117061384A (en) | Fuzzy test method, device, equipment and medium | |
| US11108800B1 (en) | Penetration test monitoring server and system | |
| EP2911362A2 (en) | Method and system for detecting intrusion in networks and systems based on business-process specification | |
| Kenchaiah | TRACEABILITY AND TROUBLESHOOTING IN WIRELESS CLUSTER DEPLOYMENTS USING PROVENANCE METADATA AND HYPER LEDGER | |
| Marhefka et al. | Dfuzzer: A D-bus service fuzzing tool | |
| CN110225543B (en) | Mobile terminal software quality situation perception system and method based on network request data | |
| CN115827395A (en) | Office software exception handling method and device | |
| JP2024000043A (en) | Inspection apparatus, inspection program, and inspection method | |
| WO2013065087A1 (en) | Diagnostic device | |
| WO2015015572A1 (en) | Data processing device, data communication device, communication system, data processing method, data communication method, and program | |
| CN117651010A (en) | Asset detection method and system based on 4G module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100193 5th floor 510, No. 5 Building, East Yard, No. 10 Wangdong Road, Northwest Haidian District, Beijing Patentee after: Beijing Shendun Technology Co.,Ltd. Address before: 100193 5th floor 510, No. 5 Building, East Yard, No. 10 Wangdong Road, Northwest Haidian District, Beijing Patentee before: BEIJING SENSESHIELD TECHNOLOGY Co.,Ltd. |