CN106228067A - Malicious code dynamic testing method and device - Google Patents
Malicious code dynamic testing method and device Download PDFInfo
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- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/55—Detecting local intrusion or implementing counter-measures
- G06F21/56—Computer malware detection or handling, e.g. anti-virus arrangements
- G06F21/566—Dynamic detection, i.e. detection performed at run-time, e.g. emulation, suspicious activities
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Abstract
A kind of malicious code dynamic testing method of embodiment of the present invention offer and device, relate to computer security technique field, the problems such as the speed existed when solving existing Malicious Code Detection is slow, efficiency is low, the main technical schemes of the present invention is: when detecting that in true environment file performs event, judge that described file performs event according to preset alarm storehouse the most suspicious, described preset alarm storehouse stores the characteristic information having various apocrypha to perform；If suspicious, then intercepting described file and perform event execution in described true environment, and copy to perform in virtual environment by described file execution event, in described virtual environment, storage has the file in true environment, catalogue；Perform event execution result in described virtual environment according to described file and preset malice performs results repository and judges that described file performs whether event is malicious code.The present invention is used for detecting malicious code.
Description
Technical field
The present embodiments relate to computer security technique field, particularly relate to a kind of malicious code dynamic testing method and
Device.
Background technology
Along with becoming increasingly popular of computer utility, the quantity of the rogue program including virus, wooden horse also increases rapidly,
Wherein rogue program typically refers to the one section of program write with attack intension, is used for stealing user file, privacy, account etc.
Information.Rogue program can encroach on the computer of user by a lot of routes of transmission, and the most portable move media, such as flash memory
Dish, CD etc., and along with the extensive application of computer networking technology, the Internet is increasingly becoming the main path that rogue program is propagated
One of, the rogue program files such as wooden horse are disguised oneself as other types file by hacker or rogue program disseminator, and lure user's point
Hit and download, and rogue program is once downloaded to subscriber computer successful operation, hacker or rogue program disseminator and just may be used
To utilize these rogue programs, carry out destroying subscriber computer, steal the malpractices such as userspersonal information.
The leak utilizing operating system and application software is implemented to attack, and is to make rogue program success on the user computer
One of main means implanted and run.Leak refer to operating system software or the application software defect in logical design or
The mistake produced when writing.These defects or mistake often can be utilized, by hacker, rogue programs such as implanting wooden horse, infringement
Or control even to destroy subscriber computer software and hardware system, or steal capsule information and the information of user.
At present, intrusion detection is more of focused in existing research, few to the study of warning of invasion, can accomplish
System pre-warning system is reached considerably less on the basis of security postures perception；And intrusion detection passes through manual type to suspicious
In code, every instruction carries out feature analysis one by one, detects whether suspect code is malicious code, has that speed is slow, efficiency is low
Technical problem.
Summary of the invention
Embodiments provide a kind of malicious code dynamic testing method and device, in order to solve prior art attacked by pestiferous factors
The problems such as the speed existed during meaning code detection is slow, efficiency is low.
The problem existed for prior art, embodiments provides a kind of malicious code dynamic testing method, bag
Include:
When detecting that in true environment file performs event, judge whether described file performs event according to preset alarm storehouse
Suspicious, described preset alarm storehouse stores the characteristic information having various apocrypha to perform；
If suspicious, then intercept described file and perform event execution in described true environment, and described file is performed event
Copying to perform in virtual environment, in described virtual environment, storage has the file in true environment, catalogue；
Perform event execution result in described virtual environment according to described file and preset malice performs results repository and judges institute
Stating file and perform whether event is malicious code, described preset malice performs storage in results repository the execution of various malicious code
Result.
Specifically, described event execution result in described virtual environment is performed according to described file and preset malice is held
Row results repository judges that described file performs whether event is that malicious code includes:
Judge whether there is access registry operations during the execution of file execution event described in described virtual environment；
If not existing, then record described file and perform event access registry operations in described virtual environment；
If existing, then judge whether the access registry operations of described file execution event belongs to described preset malice and perform result
Malicious registration table handling in storehouse；
If the access registry operations that described file performs event belongs to malicious registration table handling, then described file is performed event
It is defined as malicious code.
Concrete, described perform event execution result in described virtual environment according to described file and preset malice is held
Row results repository judges that described file performs whether event is that malicious code includes:
Judge whether the process operation of file execution event belongs to described preset malice in described virtual environment and perform results repository
In malicious process operation；
If the process operation that described file performs event belongs to the malicious process operation that described preset malice performs in results repository, then
Described file execution event is defined as malicious code.
Concrete, described perform event execution result in described virtual environment according to described file and preset malice is held
Row results repository judges that described file performs whether event is that malicious code includes:
Judge whether the network operation of file execution event belongs to described preset malice in described virtual environment and perform results repository
In hostile network operation；
Judge whether the service operations of file execution event belongs to described preset malice in described virtual environment and perform results repository
In malicious service operation；
If the network operation that described file performs event belongs to the hostile network operation that described preset malice performs in results repository, or
Described file performs the service operations of event and belongs to the malicious service operation that described preset malice performs in results repository, then by described
File performs event and is defined as malicious code.
Further, described event execution result in described virtual environment and preset malice are performed according to described file
After execution results repository judges whether described file execution event is malicious code, described method also includes:
If it is not malicious code that described file performs event, then recovers described file execution event and perform in true environment.
Embodiments provide a kind of malicious code device for dynamically detecting, including:
Judging unit, for when detecting that in true environment file performs event, judging described literary composition according to preset alarm storehouse
It is the most suspicious that part performs event, stores the characteristic information having various apocrypha to perform in described preset alarm storehouse；
Performance element, if it is suspicious to perform event for described file, then intercepts described file and performs event in described true environment
In execution, and by described file execution event copy in virtual environment perform, in described virtual environment storage have true ring
File in border, catalogue；
Described judging unit, is additionally operable to perform event execution result in described virtual environment and preset evil according to described file
Meaning performs results repository and judges that described file performs whether event is malicious code, and described preset malice performs to store in results repository to be had
The execution result of various malicious codes.
Concrete, described judging unit includes:
Judge module, for judging whether there is access during the execution of file execution event described in described virtual environment
Registry operations；
Logging modle, if for there is not described access registry operations, then records described file and performs event described virtual
Access registry operations in environment；
Described judge module is additionally operable to, if there is described access registry operations, then judges that described file performs the access of event
Whether registry operations belongs to described preset malice performs the malicious registration table handling in results repository；
Determine module, if the access registry operations for described file execution event belongs to malicious registration table handling, then by institute
State file execution event and be defined as malicious code.
Described judge module, is additionally operable to judge whether the process operation of file execution event belongs in described virtual environment
Described preset malice performs the malicious process operation in results repository；
Described determine module, perform the process operation of event and belong to described preset malice if being additionally operable to described file and perform results repository
In malicious process operation, then by described file execution event be defined as malicious code.
Described judge module, is additionally operable to judge whether the network operation of file execution event belongs in described virtual environment
Described preset malice performs the hostile network operation in results repository；
Described judge module, is additionally operable to judge whether the service operations of file execution event belongs to described in described virtual environment
Preset malice performs the malicious service operation in results repository；
Described determine module, perform the network operation of event and belong to described preset malice if being additionally operable to described file and perform results repository
In hostile network operation, or described file performs the service operations of event and belongs to described preset malice and perform the evil in results repository
Meaning service operations, then be defined as malicious code by described file execution event.
Further, described device also includes:
Recovery unit, if performing event for described file is not malicious code, then recovers described file and performs event truly
Environment performs.
A kind of malicious code dynamic testing method of embodiment of the present invention offer and device, when detecting in true environment
When file performs event, judge that described file performs event according to preset alarm storehouse the most suspicious, if suspicious, then intercept described literary composition
Part performs event execution in described true environment, and copies to perform in virtual environment by described file execution event,
Perform event execution result in described virtual environment according to described file afterwards and preset malice performs results repository and judges described
File performs whether event is malicious code.Different from traditional Malicious Code Detection, the embodiment of the present invention does not gather each
The detection data of network link, but utilize the virtual specific virtual environment of execution Technology design, suspicious file is performed thing
Part is directed in the virtual environment being isolated with true environment perform, and by recording, analyze, contrasting network application at virtual ring
Domestic perform before and after the state changing features identification of 5 key modules such as file in main frame, registration table, process, service, network
Detect malicious code, thus greatly reduced under true environment by the embodiment of the present invention that main frame is invaded or information is compromised
Probability.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to these accompanying drawings.
A kind of malicious code dynamic testing method flow chart that Fig. 1 provides for the embodiment of the present invention；
The another kind of malicious code dynamic testing method flow chart that Fig. 2 provides for the embodiment of the present invention；
A kind of malicious code device for dynamically detecting structural representation that Fig. 3 provides for the embodiment of the present invention；
The another kind of malicious code device for dynamically detecting structural representation that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Embodiments provide a kind of malicious code dynamic testing method, as it is shown in figure 1, described method includes:
101, when detecting that in true environment file performs event, judge that described file performs event according to preset alarm storehouse
The most suspicious.
Wherein, described preset alarm storehouse stores the characteristic information having various apocrypha to perform；Literary composition when true environment
When part probe in detecting is to file execution event, the characteristic information that the various apocryphas being primarily based in preset alarm storehouse perform is sentenced
It is the most suspicious that disconnected file performs event.
If 102 is suspicious, then intercept described file and perform event execution in described true environment, and by described file
Execution event copies to perform in virtual environment.
Wherein, in described virtual environment, storage has the file in true environment, catalogue.If apocrypha performs thing
Part, then intercept file, and copy in virtual environment by described file execution event, then hold under controlled virtual environment
OK；Perform event if not apocrypha, the most do not hit preset alarm storehouse, then allow file perform in true environment, with
The variation characteristic of file system after Shi Jilu execution operation, as the foundation of depth analysis.
In embodiments of the present invention, after apocrypha execution event is directed to virtual environment, perform feelings by monitoring file
Condition judges that whether file is rogue program or with rogue program, if it is outputting alarm information, and is added by warning information
Alarm storehouse, if not then cancelling interception, recovers file and performs event to execution in true environment.
103, perform event execution result in described virtual environment according to described file and preset malice performs result
Storehouse judges that described file performs whether event is malicious code.
Wherein, during described preset malice performs results repository, storage has the execution result of various malicious code.Need explanation
It is, owing to the various operations of malicious code the most all can complete by calling kernel level API function, therefore by using API
Hook technical intercept also controls the file management API in Windows and just can obtain the malicious code operation information to file.
These intercepted API functions will be called when having program reading and writing and establishment file.If program file to be created, will adjust
Use ZwCreateFile function；Similarly, when reading the content of file, can correspondingly call ZwReadFile function, write literary composition
During part, carry out ZwWriteFile function.Once finding that the API function being intercepted is called, system will utilize and reset
To technology, the file in true environment, catalogue are redirected in virtual environment, i.e. the literary composition of the modification of program in virtual environment
Part and catalogue are the copy of original, thus ensure that the safety of file system under true environment.
Embodiments provide another kind of malicious code dynamic testing method, as in figure 2 it is shown, described method includes:
201, when detecting that in true environment file performs event, judge that described file performs event according to preset alarm storehouse
The most suspicious.
Wherein, described preset alarm storehouse stores the characteristic information having various apocrypha to perform.
If 202 is suspicious, then intercept described file and perform event execution in described true environment, and by described file
Execution event copies to perform in virtual environment.
Wherein, in described virtual environment, storage has the file in true environment, catalogue.Step 202 includes: judge described
Access registry operations whether is there is during the execution of the execution event of file described in virtual environment；If not existing, then record
Described file performs event access registry operations in described virtual environment；If existing, then judge that described file performs thing
Whether the access registry operations of part belongs to described preset malice performs the malicious registration table handling in results repository；If described file
The access registry operations of execution event belongs to malicious registration table handling, then described file execution event is defined as malice generation
Code.
It should be noted that all application informations of registration table record and the data base of drive information, it it is operation
The core of system.System start-up, application program run and hardware drive program loads and all controlled by registration table, therefore pass through
Described file performs the access registry operations of event and may determine that file performs whether event is malicious code.In the present invention
In embodiment, it is necessary first to judge whether there is access during the execution of file execution event described in described virtual environment
Registry operations, without the operation of access registration table, should write down operation note in real time, provides foundation for subsequent analysis.As
Fruit has, then should judge to access whether registry operations belongs to the malicious registration table behaviour that described preset malice performs in results repository again
Make, i.e. judge when duplicate of the document performs whether malicious modification, delete or create registry information, especially it should be noted that those affect is
The registry entry that system starts.If belonging to malicious registration table handling, then described file execution event is defined as malicious code；As
Fruit is not belonging to malicious registration table handling, then output function record, provides material for the manual examination and verification that may carry out in the future.
Windows is that registration table devises a set of Administration API, and rogue program is the most all the registration table provided by system
Access API function obtain system information and revise, add or delete a list item or any program of key assignments to be opened, creates,
Delete and registry entry is set, all must pass through kernel level function RegOpen-Key, RegCreateKey, RegDeleteKey
Realize with RegSetValue.Therefore, should first check for when there being modification of program registry operations whether virtual environment exists
This registry entry, if registry entry exists, the most directly opens in virtual environment this registry entry and returns；Otherwise check true ring
Under border, whether this registry entry exists, if registry entry exists under real system, then utilizes the redirecting technique of virtual environment
It is redirected in virtual environment perform again by the registry entry under real system.
For the embodiment of the present invention, step 202 includes: judge that file performs the process behaviour of event in described virtual environment
Whether belong to the malicious process operation that described preset malice performs in results repository；If described file performs the process operation of event
Belong to the malicious process operation that described preset malice performs in results repository, then described file execution event is defined as malice generation
Code.In described virtual environment, process is mainly monitored in terms of 4 by the process operation of file execution event: implant operation
Mainly monitor whether that existence is write proceeding internal memory, created the suspicious operations such as remote thread；Load-on module mainly monitors nonsystematic catalogue
Under module loading and driver load；Amendment memory attribute is mainly monitored memory attribute and is revised as the row of attribute-executable
For；Create kernel objects and pass through kernel objects, some malicious code can be identified.The malice that preset malice performs in results repository is entered
The effect of journey operation is similar with the malicious registration table handling that preset malice performs in results repository, stores malicious code and performs entering
The feature of all kinds of impacts that journey is likely to result in.
In embodiments of the present invention, step 202 also includes: judge that file performs the network of event in described virtual environment
Whether operation belongs to the hostile network operation that described preset malice performs in results repository；Judge that file is held in described virtual environment
Whether the service operations acting part belongs to the malicious service operation that described preset malice performs in results repository；If described file performs
The network operation of event belongs to the hostile network operation that described preset malice performs in results repository, or described file performs event
Service operations belongs to the malicious service operation that described preset malice performs in results repository, then described file execution event be defined as
Malicious code.
Malicious code often utilizes the system service of Windows realize self-starting and obtain higher-rights.Owing to creating new clothes
The network application of business is higher with the probability of malicious act, and therefore, the monitoring to service process is particularly significant.Service strategy sets
The realization of meter mainly includes 2 aspects: logging program creates the information of service；Service execution is tracked.To virtual ring
During domestic service is tracked, above-mentioned network application is just stoped to create in true environment once be found to have illegal operation
New service, thus ensure to complete the detection to program, analysis on the premise of " normally " operation in program to be detected, and not
Local true environment can be caused any destruction.
Assailant often uses puddle formula attack method when user browses webpage, lures that user accesses one and is inserted into into
The Web link of malicious code or open a specific Email attachment.Web link or Email attachment often show focus
News or other people content interested, once user accesses this link or adnexa, will cause follow-up vulnerability exploit
Process.For this type of situation, the embodiment of the present invention utilizes the data traffic of network probe captured in real time network, based on existing spy
Levy storehouse and analyze the network packet captured in real time.When finding suspicious network traffic, utilize virtual execution technology by this network
Linker is redirected in virtual environment perform, and is finally stored in feature database by warning information.
203, perform event execution result in described virtual environment according to described file and preset malice performs result
Storehouse judges that described file performs whether event is malicious code.
If it is not malicious code that 204 described files perform event, then recovers described file and perform event in true environment
Perform.
A kind of malicious code dynamic testing method that the embodiment of the present invention provides, when detecting that in true environment file is held
When acting part, judge that described file performs event according to preset alarm storehouse the most suspicious, if suspicious, then intercept described file and perform
Event execution in described true environment, and copy to virtual environment performs by described file execution event, finally according to
Described file performs event execution result in described virtual environment and preset malice performs results repository and judges that described file is held
Act whether part is malicious code.Different from traditional Malicious Code Detection, the embodiment of the present invention does not gather each network rings
The detection data of joint, but utilize the virtual specific virtual environment of execution Technology design, suspicious file is performed event orientation
Perform in the virtual environment being isolated with true environment, and hold in virtual environment by recording, analyze, contrasting network application
Before and after row, the state changing features recognition detection of 5 key modules such as the file in main frame, registration table, process, service, network goes out
Malicious code, thus greatly reduce, by the embodiment of the present invention, the possibility that under true environment, main frame is invaded or information is compromised
Property.
Further, as implementing of method described in Fig. 1, embodiments provide a kind of malicious code dynamic
Detection device, as it is shown on figure 3, described device includes: judging unit 31, performance element 32.
Judging unit 31, for when detecting that in true environment file performs event, judging according to preset alarm storehouse
It is the most suspicious that described file performs event, stores the characteristic information having various apocrypha to perform in described preset alarm storehouse；
Performance element 32, if it is suspicious to perform event for described file, then intercepts described file and performs event at described true ring
Execution in border, and copy to virtual environment performs by described file execution event, in described virtual environment, storage has true
File in environment, catalogue；
Described judging unit 31, is additionally operable to perform event execution result in described virtual environment and preset according to described file
Malice performs results repository and judges that described file performs whether event is malicious code, and described preset malice performs to store in results repository
There is the execution result of various malicious code.
It should be noted that each function list involved by a kind of malicious code device for dynamically detecting of embodiment of the present invention offer
Other of unit describe accordingly, the corresponding description being referred in Fig. 1, do not repeat them here.The embodiment of the present invention can be passed through
Hardware processor (hardware processor) realizes related function module.
Further, as implementing of method described in Fig. 2, embodiments provide another kind of malicious code and move
State detection device, as shown in Figure 4, described device includes: judging unit 41, performance element 42.
Judging unit 41, for when detecting that in true environment file performs event, judging according to preset alarm storehouse
It is the most suspicious that described file performs event, stores the characteristic information having various apocrypha to perform in described preset alarm storehouse；
Performance element 42, if it is suspicious to perform event for described file, then intercepts described file and performs event at described true ring
Execution in border, and copy to virtual environment performs by described file execution event, in described virtual environment, storage has true
File in environment, catalogue；
Described judging unit 41, is additionally operable to perform event execution result in described virtual environment and preset according to described file
Malice performs results repository and judges that described file performs whether event is malicious code, and described preset malice performs to store in results repository
There is the execution result of various malicious code.
For the embodiment of the present invention, described judging unit 41 includes:
Judge module 411, for judging whether exist during the execution of file execution event described in described virtual environment
Access registry operations；
Logging modle 412, if for there is not described access registry operations, then records described file and performs event in described void
Access registry operations in near-ring border；
Described judge module 411, if being additionally operable to there is described access registry operations, then judges that described file performs the visit of event
Ask whether registry operations belongs to described preset malice and perform the malicious registration table handling in results repository；
Determine module 413, if the access registry operations for described file execution event belongs to malicious registration table handling, then will
Described file performs event and is defined as malicious code.
Described judge module 411, is additionally operable to judge whether in described virtual environment file performs the process operation of event
Belong to the malicious process operation that described preset malice performs in results repository；
Described determine module 413, perform the process operation of event and belong to described preset malice if being additionally operable to described file and perform knot
The really operation of the malicious process in storehouse, then be defined as malicious code by described file execution event.
Described judge module 411, is additionally operable to judge whether in described virtual environment file performs the network operation of event
Belong to the hostile network operation that described preset malice performs in results repository；
Described judge module 411, is additionally operable to judge whether the service operations of file execution event belongs in described virtual environment
Described preset malice performs the malicious service operation in results repository；
Described determine module 413, perform the network operation of event and belong to described preset malice if being additionally operable to described file and perform knot
The really operation of the hostile network in storehouse, or described file performs the service operations of event and belongs in described preset malice execution results repository
Malicious service operation, then by described file execution event be defined as malicious code.
Further, described device also includes:
Recovery unit 43, if performing event for described file is not malicious code, then recovers described file and performs event very
Real environment performs.
It should be noted that each function involved by the another kind of malicious code device for dynamically detecting of embodiment of the present invention offer
Other of unit describe accordingly, the corresponding description being referred in Fig. 2, do not repeat them here.The embodiment of the present invention can be led to
Cross hardware processor to realize related function module.
A kind of malicious code device for dynamically detecting that the embodiment of the present invention provides, when detecting that in true environment file is held
When acting part, judge that described file performs event according to preset alarm storehouse the most suspicious, if suspicious, then intercept described file and perform
Event execution in described true environment, and copy to virtual environment performs by described file execution event, finally according to
Described file performs event execution result in described virtual environment and preset malice performs results repository and judges that described file is held
Act whether part is malicious code.Different from traditional Malicious Code Detection, the embodiment of the present invention does not gather each network rings
The detection data of joint, but utilize the virtual specific virtual environment of execution Technology design, suspicious file is performed event orientation
Perform in the virtual environment being isolated with true environment, and hold in virtual environment by recording, analyze, contrasting network application
Before and after row, the state changing features recognition detection of 5 key modules such as the file in main frame, registration table, process, service, network goes out
Malicious code, thus greatly reduce, by the embodiment of the present invention, the possibility that under true environment, main frame is invaded or information is compromised
Property.
Described malicious code device for dynamically detecting includes processor and memorizer, above-mentioned judging unit, performance element and extensive
Multiple unit etc. all store in memory as program unit, processor perform storage said procedure unit in memory
Realize corresponding function.
Processor comprises kernel, kernel goes memorizer is transferred corresponding program unit.Kernel can arrange one
More than or, the speed existed during by adjusting kernel parameter and solving Malicious Code Detection in prior art is slow, efficiency is low etc. asks
Topic.
Memorizer potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/
Or the form such as Nonvolatile memory, such as read only memory (ROM) or flash memory (flash RAM), memorizer includes that at least one is deposited
Storage chip.
Present invention also provides a kind of computer program, when performing in data handling equipment, at the beginning of being adapted for carrying out
Beginningization has the program code of following method step: when detecting that in true environment file performs event, according to preset alarm
It is the most suspicious that storehouse judges that described file performs event, the feature letter that in described preset alarm storehouse, storage has various apocrypha to perform
Breath；If suspicious, then intercept described file and perform event execution in described true environment, and it is multiple that described file is performed event
Making in virtual environment and perform, in described virtual environment, storage has the file in true environment, catalogue；Perform according to described file
Event execution result in described virtual environment and preset malice perform results repository and judge that whether described file execution event is
Malicious code, described preset malice performs storage in results repository the execution result of various malicious code.
Those skilled in the art are it should be appreciated that embodiments herein can be provided as method, system or computer program
Product.Therefore, the reality in terms of the application can use complete hardware embodiment, complete software implementation or combine software and hardware
Execute the form of example.And, the application can use at one or more computers wherein including computer usable program code
The upper computer program product implemented of usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.)
The form of product.
The application is with reference to method, equipment (system) and the flow process of computer program according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can the most first-class by computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
Instruction arrives the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce
A raw machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for real
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame now.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
In a typical configuration, calculating equipment include one or more processor (CPU), input/output interface,
Network interface and internal memory.
Memorizer potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/
Or the form such as Nonvolatile memory, such as read only memory (ROM) or flash memory (flash RAM).Memorizer is that computer-readable is situated between
The example of matter.
Computer-readable medium includes that removable media permanent and non-permanent, removable and non-can be by any method
Or technology realizes information storage.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer include, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM),
Dynamic random access memory (DRAM), other kinds of random access memory (RAM), read only memory (ROM), electricity
Erasable Programmable Read Only Memory EPROM (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read only memory
(CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassette tape, the storage of tape magnetic rigid disk or other
Magnetic storage apparatus or any other non-transmission medium, can be used for the information that storage can be accessed by a computing device.According to herein
In define, computer-readable medium does not include temporary computer readable media (transitory media), such as the data of modulation
Signal and carrier wave.
These are only embodiments herein, be not limited to the application.To those skilled in the art,
The application can have various modifications and variations.All made within spirit herein and principle any amendment, equivalent,
Improve, within the scope of should be included in claims hereof.
Claims (10)
1. a malicious code dynamic testing method, it is characterised in that including:
When detecting that in true environment file performs event, judge whether described file performs event according to preset alarm storehouse
Suspicious, described preset alarm storehouse stores the characteristic information having various apocrypha to perform；
If suspicious, then intercept described file and perform event execution in described true environment, and described file is performed event
Copying to perform in virtual environment, in described virtual environment, storage has the file in true environment, catalogue；
Perform event execution result in described virtual environment according to described file and preset malice performs results repository and judges institute
Stating file and perform whether event is malicious code, described preset malice performs storage in results repository the execution of various malicious code
Result.
Method the most according to claim 1, it is characterised in that described according to described file perform event at described virtual ring
Execution result and preset malice in border perform results repository and judge that described file performs whether event is that malicious code includes:
Judge whether there is access registry operations during the execution of file execution event described in described virtual environment；
If not existing, then record described file and perform event access registry operations in described virtual environment；
If existing, then judge whether the access registry operations of described file execution event belongs to described preset malice and perform result
Malicious registration table handling in storehouse；
If the access registry operations that described file performs event belongs to malicious registration table handling, then described file is performed event
It is defined as malicious code.
Method the most according to claim 1, it is characterised in that described according to described file perform event at described virtual ring
Execution result and preset malice in border perform results repository and judge that described file performs whether event is that malicious code includes:
Judge whether the process operation of file execution event belongs to described preset malice in described virtual environment and perform results repository
In malicious process operation；
If the process operation that described file performs event belongs to the malicious process operation that described preset malice performs in results repository, then
Described file execution event is defined as malicious code.
Method the most according to claim 1, it is characterised in that described according to described file perform event at described virtual ring
Execution result and preset malice in border perform results repository and judge that described file performs whether event is that malicious code includes:
Judge whether the network operation of file execution event belongs to described preset malice in described virtual environment and perform results repository
In hostile network operation；
Judge whether the service operations of file execution event belongs to described preset malice in described virtual environment and perform results repository
In malicious service operation；
If the network operation that described file performs event belongs to the hostile network operation that described preset malice performs in results repository, or
Described file performs the service operations of event and belongs to the malicious service operation that described preset malice performs in results repository, then by described
File performs event and is defined as malicious code.
5. according to the arbitrary described method of claim 1-4, it is characterised in that described perform event described according to described file
Execution result in virtual environment and preset malice perform results repository judge described file execution event be whether malicious code it
After, described method also includes:
If it is not malicious code that described file performs event, then recovers described file execution event and perform in true environment.
6. a malicious code device for dynamically detecting, it is characterised in that including:
Judging unit, for when detecting that in true environment file performs event, judging described literary composition according to preset alarm storehouse
It is the most suspicious that part performs event, stores the characteristic information having various apocrypha to perform in described preset alarm storehouse；
Performance element, if it is suspicious to perform event for described file, then intercepts described file and performs event in described true environment
In execution, and by described file execution event copy in virtual environment perform, in described virtual environment storage have true ring
File in border, catalogue；
Described judging unit, is additionally operable to perform event execution result in described virtual environment and preset evil according to described file
Meaning performs results repository and judges that described file performs whether event is malicious code, and described preset malice performs to store in results repository to be had
The execution result of various malicious codes.
Device the most according to claim 6, it is characterised in that described judging unit includes:
Judge module, for judging whether there is access during the execution of file execution event described in described virtual environment
Registry operations；
Logging modle, if for there is not described access registry operations, then records described file and performs event described virtual
Access registry operations in environment；
Described judge module, if being additionally operable to there is described access registry operations, then judges that described file performs the access of event
Whether registry operations belongs to described preset malice performs the malicious registration table handling in results repository；
Determine module, if the access registry operations for described file execution event belongs to malicious registration table handling, then by institute
State file execution event and be defined as malicious code.
Device the most according to claim 7, it is characterised in that
Described judge module, is additionally operable to judge whether the process operation of file execution event belongs to described in described virtual environment
Preset malice performs the malicious process operation in results repository；
Described determine module, perform the process operation of event and belong to described preset malice if being additionally operable to described file and perform results repository
In malicious process operation, then by described file execution event be defined as malicious code.
Device the most according to claim 7, it is characterised in that
Described judge module, is additionally operable to judge whether the network operation of file execution event belongs to described in described virtual environment
Preset malice performs the hostile network operation in results repository；
Described judge module, is additionally operable to judge whether the service operations of file execution event belongs to described in described virtual environment
Preset malice performs the malicious service operation in results repository；
Described determine module, perform the network operation of event and belong to described preset malice if being additionally operable to described file and perform results repository
In hostile network operation, or described file performs the service operations of event and belongs to described preset malice and perform the evil in results repository
Meaning service operations, then be defined as malicious code by described file execution event.
10. according to the arbitrary described device of claim 6-9, it is characterised in that described device also includes:
Recovery unit, if performing event for described file is not malicious code, then recovers described file and performs event truly
Environment performs.
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| CN117240629A (en) * | 2023-11-15 | 2023-12-15 | 北京兆维电子(集团)有限责任公司 | Prediction method and prediction system based on network security intrusion |
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