KR101352132B1 - Unauthorized operation judgment system for software of smart-phone - Google Patents

Abstract

The present invention relates to a system for determining the software operation of a smartphone by simply and easily driving a predetermined algorithm on a terminal connected to the smartphone as a software operation discrimination system of a smartphone. That is, the present invention can easily determine whether the root permission of the smartphone, the file system of the internal memory, the partition operation of the external memory, the overclocking of the CPU, and the operation of the built-in font. can do.
More specifically, the present invention provides a smart phone; And a terminal connected to the smartphone and equipped with a predetermined algorithm for determining whether to operate the root permission of the smartphone.

Description

Software operation discrimination system of smartphone {UNAUTHORIZED OPERATION JUDGMENT SYSTEM FOR SOFTWARE OF SMART-PHONE}

The present invention relates to a system for determining the software operation of a smartphone by simply and easily driving a predetermined algorithm on a terminal connected to the smartphone as a software operation discrimination system of a smartphone. More specifically, the present invention relates to the root permission of a smartphone, the presence of a root (SU) file and its log file, the file system of an internal memory, the partition operation of an external memory, or the overclocking of a CPU. (over-clocking), it is easy to determine whether or not the supplied font is operated.

Recently, smart phone has emerged due to the rapid development of communication technology and various electronic technologies, and it is causing a perceptual change in the mobile phone market. A smart phone is an intelligent terminal that adds computer support functions such as internet communication and information retrieval to a mobile phone and can install an application desired by a user. Internet communication, faxing, and personal information management on the go are possible.

In other words, a smartphone combines the advantages of a mobile phone and a personal digital assistant (PDA), integrating data communication functions such as schedule management, fax transmission and reception, and Internet access. The biggest feature is that unlike existing mobile phones that are released as finished products and using only a given function, hundreds of different applications can be installed and added or removed as desired.

Not only can you directly connect to the Internet using the wireless Internet, but you can also access it in various ways using various browsing programs, you can create your own applications, and implement the interface that suits you through various applications. In addition, the ability to share applications among smartphones with the same operating system (OS) is also an advantage that existing mobile phones do not have.

However, some smartphone users have recently jailbroken iOS and have been downloading and using unlimited applications without paying a fair price. The iOS jailbreak refers to the process of removing the limitations of iOS and allowing access to the user's root to execute unsigned code used by other companies.

After jailbreaking your smartphone, i) your iOS device is more vulnerable than it was before you jailbroken, and the iOS system itself became unstable, leading to drastic battery life, bounces during application use, sudden reboots, and phone failures. Malfunctions can occur frequently. ii) In addition, if a user illegally downloads a crack application after jailbreak and uses a paid application for free, the application developer may suffer financial damages. iii) In addition, if a breakdown failure occurs during the use process after jailbreaking of the smartphone, the normal repair of the smartphone becomes difficult, and customers insist that there is a defect in the product itself, and require a replacement or a refund.

Therefore, there is a need for a system that can easily determine whether or not the software operation of the smartphone, solve the difficulty of the normal repair of the smartphone failure failure, and prevent the use of unnecessary materials and replacement or refund of products.

The present invention has been made to solve the above problems of the prior art, it is an object of the present invention to provide a system for easily determining whether the software operation of the smart phone by driving a predetermined algorithm on the terminal connected to the smart phone.

In addition, the present invention, in the smart phone, whether the root permission (Root Permission) operation, whether the su (root permission) file and its log file is present, whether the internal memory file system operation, the external memory partition operation or not Another object is to provide a system that can easily determine whether the CPU is over-clocking, and whether the built-in font is deleted, changed, or added.

The technical objects to be achieved by the present invention are not limited to the above-mentioned technical problems, and other technical subjects which are not mentioned can be clearly understood by those skilled in the art from the description of the present invention .

The present invention for solving the above problems of the prior art (Smart Phone); And

And a terminal connected to the smartphone and equipped with a predetermined algorithm for determining whether the smartphone has a root permission operation.

The predetermined algorithm in the present invention includes a software operation discrimination system of a smartphone, characterized in that it is determined whether or not login is possible with root authority.

In the present invention, the predetermined algorithm includes a software operation discrimination system of a smartphone, characterized in that the smartphone further has a function of determining whether a su (root authority acquisition) file and its log file exist.

In the present invention, the predetermined algorithm includes a software operation discrimination system of a smartphone, further comprising a function of determining whether a file system operation of the internal memory of the smartphone is performed.

In the present invention, the file system operation of the built-in memory, the software of the smart phone, characterized in that it is determined whether the operation of the system area file system, data area file system, cache (cache) file system or DB data area file system It includes an operation determination system.

In the present invention, whether the file system operation is smart, characterized in that the file system is changed by a method other than RFS by checking a file system format of the internal memory. It includes a software operation identification system for the phone.

In the present invention, the predetermined algorithm includes a software operation discrimination system of a smartphone, further comprising a function of determining whether a partition operation of the external memory of the smartphone is performed.

In the present invention, the predetermined algorithm, the software of the smartphone further comprises a function for determining whether or not over clocking (Over Clocking) operation to increase the driving speed by operating the clock speed of the CPU inside the smartphone. It includes an operation determination system.

In the present invention, the predetermined algorithm includes a software operation discrimination system of a smartphone, characterized in that it further comprises a function for determining whether the operation of the built-in font for each device in the smartphone.

In the present invention, the smart phone and the terminal comprises a software operation determination system of the smart phone, characterized in that connected by USB.

In the present invention, the smart phone includes a software operation discrimination system of the smart phone, characterized in that the smart phone equipped with an Android-based OS.

According to the software operation discrimination system of the smartphone according to the present invention, it is possible to easily determine whether the software operation of the smartphone by simply driving a predetermined algorithm on the terminal connected to the smartphone.

In addition, according to the software operation discrimination system of the smartphone according to the present invention, whether the root permission operation of the smartphone, the file system operation of the internal memory, the partition operation of the external memory or the overclocking of the CPU (over-clocking) can easily determine whether or not.

In addition, according to the software operation discrimination system of the smart phone according to the present invention, it is possible to determine whether the product itself is defective or whether the defect is caused by software operation.

In addition, according to the software operation discrimination system of the smart phone according to the present invention, there is an effect of preventing the use of unnecessary materials for the repair or replacement refund of the product when determining whether or not defective by the software operation.

1 is a configuration diagram of a software operation discrimination system of a smartphone according to an embodiment of the present invention.
2 to 3 is an exemplary view of a routing inspection tool that is manifested through the display unit of the terminal according to an embodiment of the present invention.
4 to 9 illustrate whether the root permission operation, su file and its log existence, file system operation, partition operation, overclocking, deletion, change of the provided font, on the terminal according to an embodiment of the present invention. An example showing how to confirm the addition.
10 is an exemplary view showing a normal state and a software operation confirmation state of the smartphone according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

Recently, smart phones have been in the spotlight, causing perceptual changes in the mobile phone market. Such smartphones can be downloaded and run similar to a computer, and some consumers are attempting jailbreaking to download applications without paying a certain amount of money. The jailbreak refers to the process of unblocking iOS and allowing access to the user's root to execute unsigned code used by other companies.

One of the jailbreaks is rooting, which is a term related to Android, and the rooting is released on Android running on a smartphone. It refers to an act.

Rooting allows users of the device to install and run any version of Android, such as Android or CyanogenMod, that is higher than the version officially provided by the producer or seller. You can buy programs that you don't sell, or you can use programs that require more than normal user privileges.

However, after the jailbreak of the smartphone, the security of the iOS device is much more vulnerable than before the jailbreak, and the iOS system itself becomes unstable, causing errors and malfunctions such as drastic battery life, bounces during application use, sudden reboots, and phone failures. The things that appear are frequent. In addition, if a user illegally downloads a crack application after jailbreak and uses a paid application for free, the application developer indirectly loses money.

As such, when a failure failure occurs during the use of the smartphone after the jailbreak, the normal repair of the smartphone becomes difficult, and customers insist that there is a defect in the product itself and there is a problem of requesting an exchange or a refund.

Therefore, the present invention is devised in that it is possible to easily determine whether the software operation of the smartphone, to solve the difficulty of the normal repair of the smartphone failure failure, and to prevent the use of unnecessary materials and replacement or refund of products. It became.

According to the software operation discrimination system of the smart phone according to the present invention, a predetermined algorithm is connected to the smart phone 110 and the smart phone to determine whether the root permission operation of the smart phone; It may be configured to include a terminal 120 to be mounted.

According to the present invention, whether the smartphone 110 operates software, in particular, the root permission operation, whether the su (root authority) file and its log exist, whether the file system operation of the internal memory, the partition operation of the external memory, the CPU over You can easily check whether it is clocked, whether to delete, change, or add the built-in font.

Here, the root permission operation, that is, rooting refers to the act of gaining the administrator's authority by hacking the Android operating system (OS). You can add or delete functions that are not supported by the OS.

The su file is a file for acquiring the administrator authority at the time of rooting, and when the administrator authority is obtained using the su file, the record is left in the form of a log file.

Voodoo patch refers to the act of changing the file system of the smartphone 110 to EXT4 or Nilfs, etc., rather than the existing RFS, in order to improve the response speed of the smartphone 110.

Over clocking refers to the act of manipulating the driving speed of the smartphone 110 faster by manipulating the specified clock speed of the CPU. As the clock speed is higher, overvoltage may flow and circuit damage may occur. There is a problem.

In the case of the operation of the built-in font, malfunction of the smartphone 110 due to the change of the built-in font, deletion, or screen breakage due to an incorrect font addition may occur.

Certain algorithms included in the present invention include the root permission, su file and whether the log exists, the file system (File system) that users of the smart phone 110 equipped with the Android operating system hack and SW most frequently attempts. ) It is operated to check whether the software is operated by checking the operation, overclocking of the CPU, and the operation of the built-in font.

① With regard to the operation of the root permission, if it is possible to directly access the authority of the administrator during the operation of the predetermined algorithm, it is determined as a SW-hacked terminal.

② With regard to the existence of the su file and its log file, it can be considered that the su file is required to obtain administrator privileges, and there are also log files resulting from the execution of the su file.

③ Also, in relation to the file system operation of the internal memory, the file of each file system area is compared and judged. In order to operate by EXT or the like in the RFS (normal state) method, root permission hack must be performed. One can also consider the possibility of manipulating it later.

④ With regard to the partition operation of the external memory, the status of the external SD card is checked. In order to operate the external SD EXT through the bind symlink, it is necessary to consider partition partitioning.

⑤ With regard to determining whether the CPU is overclocked, the clock speed adjustment can also be considered that the root permission can be manipulated after hacking.

⑥ With regard to the operation of the built-in Font, it can be considered that the deletion, modification and addition of the built-in Font can be performed after the root permission hack is performed.

First, the smartphone 110 and the terminal 120 are connected through the USB 130, and when driving a predetermined algorithm included in the present invention, a routing verification tool (tool) through the display unit of the terminal 120 Manifestation.

In this case, the operator of the routing verification tool may select the model of the smartphone from the inspection model selection unit 210 and then drive the predetermined algorithm.

The predetermined algorithm may determine whether the root permission operation of the smartphone 110 is performed. When the user logs in with root authority, the predetermined algorithm is determined as SW operation, and the root permission operation is determined by the root permission connection. It will be manifested through the availability confirmation unit 220.

In addition, the predetermined algorithm determines whether the smartphone 110 is rooted by checking whether the su (root authorization) file and the log file exist on the smartphone 110, and the su file and its log file. The presence of the is manifested through the su file and its log file check unit (225).

In addition, the predetermined algorithm may further include a function of determining whether a file system of the internal memory of the smartphone 110 is operated. In more detail, the system area file system, data area file system, and cache area file may be determined. You can determine whether the system or DB data area file system has been operated.

The file system operation may be determined by checking a file system format of the internal memory to determine that the file system is operated when the file system is changed in a manner other than RFS.

Software operation of each area of the internal memory is performed by the system area file system operation confirmation unit 230, the data area file system operation confirmation unit 240, the cache area file system operation confirmation unit 250, and the DB data area file system operation. It can be confirmed through the check unit 250.

The predetermined algorithm may perform a function of determining whether to operate a partition of the external memory of the smartphone 110. When the partition is not operated as a result of the algorithm operation, / dev / block / dm- A result value of 0 is displayed, and a result value of dev / block / dm-1 is displayed at the time of operation, and the final operation status is manifested through the external memory partition operation confirmation unit 270.

The predetermined algorithm may perform a function of determining whether or not an overclocking operation for speeding up a driving speed by manipulating a clock speed of a CPU inside the smartphone 110 is performed. If is an abnormal value, it is judged by SW operation.

The predetermined algorithm determines whether to delete, change, or add a new font by comparing the font installed in the smartphone 110 with the basic font name of each model, and adding a new font. 285).

In the present invention, the smart phone 110 is preferably a smart phone equipped with an Android-based operating system (OS), as described above, whether the root, su file and its log file presence, file system operation of the internal memory You can easily check whether the external memory is partitioned, whether the CPU is overclocked, or whether the built-in font is operated.

4 shows how to confirm the route permission operation by a predetermined algorithm.

That is, whether or not the root permission operation can be confirmed by logging in with root authority is possible. If it is not possible to log in with root authority as shown in FIG. If SW operation is judged.

Fig. 5 shows how to check whether a su file and its log file exist by a predetermined algorithm.

The su file and the log file may be located at / system / bin / su, / system / xbin / su, and /data/data/root.su depending on the operating system of the smartphone 110.

6 shows how to check whether a file system is operated in the internal memory by a predetermined algorithm.

That is, a process of checking a file system format by checking each mounted memory area is performed. When the file system indicates RFS, it is determined to be normal.

7 shows a state of checking whether or not the external memory is partitioned by a predetermined algorithm.

That is, partition operation of the external SD card is determined to be normal when the / dev / block / dm-0 method is used, and by the software operation when the / dev / block / dm-1 method is used.

8 shows how to check whether the CPU is overclocked by a predetermined algorithm.

That is, when the CPU clock speed of the smartphone is a normal value as shown in FIG. 8 (a), it is determined to be normal. When the CPU clock speed of the smartphone is an abnormal value as shown in FIG. 8 (b), it is determined by SW operation. .

9 shows how to check whether a built-in font is deleted, changed, or added by a predetermined algorithm.

The font may be located in / system / fonts according to the operating system of the smartphone 110.

If the smartphone is not determined to be a software operation result as a result of the predetermined algorithm, a state as shown in FIG. 10A is shown. On the contrary, when the smartphone is determined to be a software operation as a result of the predetermined algorithm driving, a state as shown in FIG. 10 (b) is shown.

Here, if any one of a root permission operation, a file system operation, a partition operation, or an overclocking operation of the CPU is found, the software determines the operated smartphone.

As described above, the present invention can easily check the software operation of the smart phone with one touch, thereby preventing unnecessary repairs and material consumption, preventing damages to the application provider, and in the smart phone user, according to the use of the root verification tool. There is an advantage to improve the reliability of.

Although the present invention has been described in connection with the specific embodiments of the present invention, it is to be understood that the present invention is not limited thereto. Those skilled in the art can change or modify the described embodiments without departing from the scope of the present invention, and within the equivalent scope of the technical spirit of the present invention and the claims to be described below. Various modifications and variations are possible.

110: smartphone
120: terminal
130: USB
210: inspection model selection unit
220: check whether the root permission can be connected
225: su file and its log file check unit
230: system area file system operation confirmation unit
240: Data area file system operation confirmation unit
250: Cache area file system operation check
260: DB data area file system operation confirmation unit
270: external memory partition operation check unit
280: overclocking confirmation unit
285: Built-in Font Operation Confirmation Unit
290: Start scan button
291: reset button

Claims (11)

Smart phones; And
A terminal connected to the smartphone and equipped with an algorithm for determining whether the smartphone has a root permission operation;
Software operation discrimination system of the smartphone comprising a.
The method of claim 1, wherein the algorithm is
A software operation discrimination system for a smartphone, characterized in that it is determined whether or not login is possible with root authority.
The method of claim 1, wherein the algorithm is
The software operating discrimination system of the smartphone, characterized in that it further comprises a function to determine whether the su (root authority acquisition) file and its log file.
The method of claim 1, wherein the algorithm is
Software operating discrimination system of the smartphone, characterized in that it further comprises a function for determining whether the file system operation of the internal memory of the smartphone.
The method of claim 4, wherein the file system operation of the internal memory,
A software operation discrimination system of a smartphone, characterized in that it is determined whether a system area file system, a data area file system, a cache area file system, or a DB data area file system is operated.
The method of claim 5, wherein the file system operation,
The software operating discrimination system of the smartphone, characterized in that the file system is determined to be operated when the file system is changed in a manner other than RFS by checking a file system format of the internal memory.
The method of claim 1, wherein the algorithm is
The software operating discrimination system of the smartphone, characterized in that it further comprises a function for determining whether the partition (Partition) operation of the external memory of the smartphone.
The method of claim 1, wherein the algorithm is
And a function of determining whether an overclocking operation is performed to speed up a driving speed by manipulating a clock speed of the CPU inside the smartphone.
The method of claim 1, wherein the algorithm is
Software operating discrimination system of the smartphone, characterized in that it further comprises a function for determining whether the operation of the built-in font for each device in the smartphone.
The method of claim 1,
The smartphone and the terminal is a software operation discrimination system of the smartphone, characterized in that connected by USB.
The method of claim 1, wherein the smartphone,
Software operating system of the smartphone, characterized in that the smartphone equipped with Android-based OS.

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