The invention discloses a vulnerability scanning method, a cloud server and a system. The vulnerability scanning method comprises the following steps that: S1, the cloud server analyzes an XML (Extensible Markup Language) file of an application program in an APK (Android Package) file, decodes and obtains signature information; S2, the cloud server analyzes the signature information, compares the signature information with pre-set signature information and generates a comparison result; and S3, the cloud server generates a result report and outputs the result report to a client side. By means of the above manner, vulnerability scanning at a cloud side can be realized; the safety is improved; the method is simple to operate; vulnerability risks can be found out; and furthermore, a developer or a user is prompted to improve, so that loss is reduced.

Vulnerability scanning method, cloud server and system

The invention discloses a method of monitoring sensitive permission on the basis of Android, a storage medium and terminal equipment. The method includes: when permission information invoked by an application (APP) in a mobile terminal is monitored, judging whether the invoked permission information is included in a preset sensitive permission database; finding the application in a preset packagename database when the permission information is included in the preset sensitive permission database, wherein the preset package name database is used to store package names of applications already invoking sensitive permission; and determining the application as a malicious application when the application is found. Timely detection can take effect when the malicious application reads personal sensitive information, and risks of leakage of the personal sensitive information can be effectively avoided.

Method of monitoring sensitive permission on basis of Android, storage medium and terminal equipment

In accordance with codes of applications, it is determined whether the applications access predetermined privacy information due to permission, a first label is assigned to an application that is determined to make an access, and a second label to an application that is determined not to make an access. The score of each word is calculated such that a high score is set to a word that is included in the text of the description of the application, to which the first label is assigned, more often than in the text of the description of the application, to which the second label is assigned, and a predetermined number of words at the top with regard to the score is extracted. The application whose text of the description includes the extracted word is classified as an application that refers to the permission.

Software analysis system, software analysis method, and software analysis program

The invention discloses an authority mode based ransomware detecting method and system. The method comprises the following steps: releasing a received APK document in application software to be detected; parsing an AndroidManifest.xml document out of the APK document in the application software to be detected; detecting authority applied by the application software to be detected from the AndroidManifest.xml document; determining whether the quantity of authority applied by the application software to be detected is less than a fixed value X; if the quantity of authority applied by the application software to be detected is not less than a fixed value X, determining that the application software to be detected is not ransomware; if the quantity of authority applied by the application software to be detected is less than a fixed value X, matching the authority applied by the application software to be detected with a given authority mode; determining that the application software to be detected is ransomware in case of successfully matching, and otherwise, determining that the application software to be detected is not the ransomware. The detecting method is good in detecting effect, high in detecting efficiency, low in system cost, and free from the interference of a code confusion technology.

Authority mode based ransomware detecting method and system

The invention discloses an application discrimination method and an application management device. The method comprises the steps that modeling application characteristics of each sample application are obtained from a sample application, for building an application discrimination model, wherein the modeling application characteristics include difference characteristics of differences between an authorized application and a copy application; then, according to the modeling application characteristics of the application to be discriminated and the application discrimination model, a type discrimination value of the application to be discriminated can be obtained, and the type discrimination value and a copy application discrimination value are compared to determine whether the application is the copy application or not. In this way, by means of the different characteristics of differences between the authorized application and the copy application, the built application discrimination model can well discriminate the authorized application and the copy application, efficient and automatic application discrimination can be achieved, the cost for manually discriminating the copy application is greatly lowered, the detection accuracy is improved, and the terminal safety and the user privacy security are guaranteed.

Application discrimination method and application management device

The invention provides a malicious application program recognition method and device according to application program declaration characteristics and relates to the technical field of computers. The method includes acquiring listing files of an application program installation package, counting first listing file characteristics recorded in the listing files, and determining whether the application program is a malicious one or not according to the first listing file characteristics of the application program. According to the method, the malicious application program recognition is performed according to the malicious application program declaring the characteristics which are not allowed to provide in the listing files, the problem that a high-authority malicious application program is installed by a user without the knowledge is solved, and the computation amount is small and speed is high during recognition.

Malicious application program recognition method and device according to application program declaration characteristics

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Malicious application program recognition method and device according to application program declaration characteristics