CN106919855A - A kind of law enforcement evidence-obtaining system and its evidence collecting method based on USB flash disk - Google Patents
A kind of law enforcement evidence-obtaining system and its evidence collecting method based on USB flash disk Download PDFInfo
- Publication number
- CN106919855A CN106919855A CN201710274035.8A CN201710274035A CN106919855A CN 106919855 A CN106919855 A CN 106919855A CN 201710274035 A CN201710274035 A CN 201710274035A CN 106919855 A CN106919855 A CN 106919855A
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- evidence
- module
- law enforcement
- usb flash
- flash disk
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- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000010076 replication Effects 0.000 claims abstract description 11
- 230000002155 anti-virotic effect Effects 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000010200 validation analysis Methods 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000011835 investigation Methods 0.000 description 4
- 210000004556 brain Anatomy 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003362 replicative effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
Abstract
The technical field of present invention law enforcement evidence-obtaining system, specially a kind of law enforcement evidence-obtaining system and its evidence collecting method based on USB flash disk, including authentication module：For ensuring USB flash disk use fairly；Presetting module：For being preset to evidence obtaining object before operation of collecting evidence；Camouflage module：Antivirus software or fire wall for tackling and preventing conventional computer；Identification module：For recognizing data and information in other side's storage device, the file type that discovery pre-sets.Replication module：For carrying out duplication operation to the file for recognizing；Memory module：Information for recording the generation instrument of evidence, record storage file and document source.Simple structure of the present invention, it is practical.
Description
Technical field
The technical field of present invention law enforcement evidence-obtaining system, specially a kind of law enforcement evidence-obtaining system and its evidence obtaining based on USB flash disk
Method.
Background technology
At present, with the popularization of computer technology, all in swift electron, we progress into information-based society to various information
Meeting.Equally, the crime of offender also increasingly has Informational Trend, is committed a crime using network technology electronic equipment more and more,
The electronic information being thus stored in the electronic equipments such as related computer mobile phone is also more and more, electronic data also more and more into
It is evidence of crime.
In face of increasing informationization crime, during investigation department wishes to obtain above-mentioned storage device by correlation means
Electronic evidence demand it is also very urgent.But electronic evidence is generally rested in suspicion staff, unless grasped
Other sufficient evidences, investigation department lacks absolutely front face and discloses evidence obtaining, can only otherwise startle suspect, once suspect destroys card
Work can only be influenceed on the contrary according to flying far and high；Meanwhile, being destroyed except there is suspect's subjective aspect, changing electronic evidence
May be outer, also other system crashes, evidence covering, the unpredictable objective factor influence such as be deleted, institute as
The electronic evidence of orphan's card, both demand is urgent but should not disclose and transfer for law enforcement agency, faces many difficulties.
Therefore it provides one kind can be law enforcement agency's especially police unit efficient and convenient and secret duplication in investigation is handled a case
The instrument of electronic evidence is extracted, and ensures the justice after electronic evidence extraction, be investigation department and related-art technology
The technical problem of personnel's urgent need to resolve.
The content of the invention
In view of the shortcomings of the prior art, taken it is an object of the invention to provide a kind of efficient, law enforcement based on USB flash disk
Card system and its evidence collecting method.
To achieve the above object, the invention provides following technical scheme：A kind of law enforcement evidence-obtaining system based on USB flash disk, bag
Include
Authentication module：For ensuring USB flash disk use fairly；
Presetting module：For being preset to evidence obtaining object before operation of collecting evidence；
Camouflage module：Antivirus software or fire wall for tackling and preventing conventional computer；
Identification module：For recognizing data and information in other side's storage device, the file type that discovery pre-sets；
Replication module：For carrying out duplication operation to the file for recognizing；
Memory module：Information for recording the generation instrument of evidence, record storage file and document source.
The present invention is further arranged to：Described authentication module also includes secret generation module, in specific computer
Or authentication password is generated on server.
The present invention is further arranged to：Described memory module also includes encrypting module, for the instrument of evidence that will be stored
Generate the instrument of evidence of encryption.
The present invention is further arranged to：Described memory module also includes logging modle, for record storage timestamp, text
The relevant informations such as part information, other side's computer hardware information, evidence obtaining process and evidence obtaining result.
The present invention is further arranged to：Described camouflage module also includes reminding module, is given when being completed for collecting evidence and carried
Show.
A kind of evidence collecting method suitable for above-mentioned law enforcement evidence-obtaining system, comprises the following steps that：
A is examined：Law enforcement evidence obtaining USB flash disk is leading computer or server to examine using preceding need by law enforcement agency, obtains certification（I.e.
Law enforcement agency leader ratifies）Afterwards, and on law enforcement agency's computer or server authentication password is generated, for USB flash disk when insertion is used
Input validation；
B law enforcement modes are preset：USB flash disk is pre-set by the server or webpage of law enforcement agency, is preset law enforcement USB flash disk and is intended
The file type of evidence obtaining；
C enters spoofing mode：When computer or other storage devices that the evidence obtaining USB flash disk insertion for presetting is collected evidence, input step a
The authentication password that middle generation is obtained, USB flash disk is by pretending module automatically into spoofing mode；
D recognizes file：The data and information during module recognizes the computer or other storage devices collected evidence are set, discovery sets in advance
The file type put；
E is replicated：Replication module runs, and automatic duplication is carried out to qualified specified file and is operated；
F is recorded：By logging modle, by the instrument of evidence of file storage generation encryption, the instrument of evidence includes qualified finger
Determine file and this document information；
G is pointed out：After the file for meeting setting is all replicated storage, reminding module can be pointed out appropriately.U can now be extracted
Disk, evidence obtaining is completed；
Contrast the deficiencies in the prior art, the beneficial effect that the technical scheme that the present invention is provided is brought：1. allow to have permission（
To law enforcement agency leader approval）Law-executor use, to prevent other users from carrying out illegal operation；2. secret generation module, uses
In specific（On law enforcement agency's computer or server）Computer or server on generate authentication password, for ensure it is rigorous, legal
Using law enforcement evidence obtaining USB flash disk, law enforcement evidence obtaining USB flash disk examined by law enforcement agency leader using preceding need, obtain certification（Enforce the law single
Position leader's approval）Afterwards, and on law enforcement agency's computer or server authentication password is generated, is input into when insertion is used for USB flash disk and tested
Card.Meanwhile, the instrument of evidence that law enforcement evidence obtaining USB flash disk is obtained also could be only opened on the server or computer of law enforcement agency, with
This prevents and controls the illegal of law enforcement USB flash disk to use and abuse；3., by the server or webpage of law enforcement agency, USB flash disk is carried out pre-
First set, preset the file type that law enforcement USB flash disk intends evidence obtaining, by setting file type raising evidence obtaining speed and preventing hand of enforcing the law
The abuse of section；4. it is used to record the information of the instrument of evidence of generation encryption, record storage file and document source, instrument of evidence bag
Qualified specified file and this document information are included, this document information includes record storage timestamp, fileinfo, Dui Fang electricity
The relevant information of brain hardware information, evidence obtaining process and evidence obtaining result, to embody the source objectivity of evident information, prevents illegal
Distort；5. replication module：For carrying out the automatic disguise for replicating operation, improving during work to qualified specified file.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Specific embodiment
For secret law enforcement needs, solve suspect and destroy, hide or refuse to provide disclosed in the law enforcements such as electronic evidence
Collect evidence the practical challenges of inconvenience, extract the evidence related to crime in time, it is special invented it is a kind of efficiently, the law enforcement based on USB flash disk
Evidence-obtaining system and its evidence collecting method, the USB flash disk appearance are as good as with common U disk, specific function be for police unit, procurator's office,
The law enforcement agencies such as security department, intelligence department are provided during one kind can quickly recognize the electronic storage devices such as other side's computer, mobile phone
Respective file, be under the guise of friendship interface automatically, and secret reads electronic evidence material needed for replicating；And set by related system
Put, the law enforcement USB flash disk can be prevented not to be illegally used or abuse.
The present invention will be further described for reference picture 1.
A kind of law enforcement evidence-obtaining system based on USB flash disk, including
Authentication module 1：For ensuring USB flash disk use fairly, the work for controlling USB flash disk only allows to have permission（Obtain
Law enforcement agency leader ratifies）Law-executor use, to prevent other users from carrying out illegal operation.
Described authentication module 1 also includes secret generation module 11, for specific（Law enforcement agency's computer or server
On）Computer or server on generate authentication password, to ensure rigorous, legal to use law enforcement evidence obtaining USB flash disk, law enforcement evidence obtaining USB flash disk
Examined by law enforcement agency leader using preceding need, obtain certification（That is law enforcement agency leader approval）Afterwards, and in law enforcement agency's electricity
Generate authentication password on brain or server, for USB flash disk when insertion is used input validation.Meanwhile, also only in the clothes of law enforcement agency
The instrument of evidence that law enforcement evidence obtaining USB flash disk is obtained could be opened on business device or computer, prevents and control the illegal of law enforcement USB flash disk to use with this
And abuse；
Presetting module 2：For being preset to evidence obtaining object before operation of collecting evidence, by the server or net of law enforcement agency
Page, is pre-set to USB flash disk, presets the file type that law enforcement USB flash disk intends evidence obtaining, and evidence obtaining speed is improved by setting file type
Spend and prevent the abuse of law enforcement means；
Camouflage module 3：Antivirus software or fire wall for tackling and preventing conventional computer, when the evidence obtaining USB flash disk insertion for presetting
When the computer collected evidence or other storage devices, USB flash disk is that display " is recognized by pretending module 3 automatically into spoofing mode, on surface
Card password login ", the raw authentication password of input, and backstage is then operation mask program, anti-antivirus is soft in being used to shield counterpart device
The prompting of part, and the friendly interface that disguises oneself as is to screen secret evidence obtaining.
Identification module 4：For recognizing data and information in other side's storage device, the file type for pre-setting is found,
The respective file in the electronic storage devices such as other side's computer, mobile phone can be quickly recognized, operating efficiency is further improved.
Replication module 5：For being replicated automatically to the file for recognizing；
Memory module 6：The information of the instrument of evidence for recording generation encryption, record storage file and document source, evidence text
Part includes qualified specified file and this document information, and this document information includes record storage timestamp, fileinfo, right
Square computer hardware information, evidence obtaining process and evidence obtaining result relevant information, to embody the source objectivity of evident information, prevent by
Illegally distort；
Described memory module 6 also includes encrypting module 61, the instrument of evidence of the instrument of evidence generation encryption for that will store.
Described memory module 6 also includes logging modle 62, for record storage timestamp, fileinfo, other side's computer
The relevant informations such as hardware information, evidence obtaining process and evidence obtaining result；
Described camouflage module 3 also includes reminding module 31, is given when being completed for collecting evidence and pointed out.
Processor 7：It is connected with each module（Authentication module 1, presetting module 2, camouflage module 3, identification module 4, replication module
5th, memory module 6）, for processing server and the instruction and data of each module.
A kind of evidence collecting method suitable for above-mentioned law enforcement evidence-obtaining system, comprises the following steps that：
A is examined：To ensure rigorous, the legal USB flash disk of collecting evidence of enforcing the law that uses, law enforcement evidence obtaining USB flash disk is using preceding need by law enforcement agency
Leader examines, and obtains certification（That is law enforcement agency leader approval）Afterwards, and on law enforcement agency's computer or server certification is generated close
Code, for USB flash disk when insertion is used input validation.Meanwhile, also could only be opened on the server or computer of law enforcement agency and held
The instrument of evidence that method evidence obtaining USB flash disk is obtained, prevents and controls the illegal of law enforcement USB flash disk to use and abuse with this；
B law enforcement modes are preset：USB flash disk is pre-set by the server or webpage of law enforcement agency, is preset law enforcement USB flash disk and is intended
The file type of evidence obtaining, collect evidence speed and the abuse for preventing means are improved by setting file type；
C enters spoofing mode：When computer or other storage devices that the evidence obtaining USB flash disk insertion for presetting is collected evidence, USB flash disk is by puppet
Die-filling piece 3 automatically into spoofing mode, when computer or other storage devices that the evidence obtaining USB flash disk insertion for presetting is collected evidence, USB flash disk
It is display " authentication password login " automatically into spoofing mode, on surface by pretending module 3, is generated in input step a and obtained
Authentication password, and backstage then be operation mask program, be used to shield the prompting of anti-virus software in counterpart device, and disguise oneself as
Friendly interface is screening secret evidence obtaining；
D recognizes file：The data and information during module recognizes the computer or other storage devices collected evidence are set, discovery sets in advance
The file type put, can quickly recognize the respective file in the electronic storage devices such as other side's computer, mobile phone, further improve work
Make efficiency；
E is replicated：Replication module 5 runs, and automatic duplication is carried out to qualified specified file and is operated, hidden during raising work
Covering property；
F is recorded：By logging modle 62, by the instrument of evidence of file storage generation encryption, the instrument of evidence includes qualified
Specified file and this document information, this document information include record storage timestamp, fileinfo, other side's computer hardware information,
The relevant information of evidence obtaining process and evidence obtaining result, to embody the source objectivity of evident information, prevents from illegally being distorted；
G is pointed out：After the file for meeting setting is all replicated storage, reminding module 31 can be pointed out appropriately.Can now pull out
Go out USB flash disk, evidence obtaining is completed.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, those skilled in the art exists
Common variations and alternatives are carried out in the range of technical solution of the present invention all should be comprising within the scope of the present invention.
Claims (8)
1. a kind of law enforcement evidence-obtaining system based on USB flash disk, including processor, it is characterised in that：Also include
Authentication module：For ensuring USB flash disk use fairly；
Camouflage module：Antivirus software or fire wall for tackling and preventing conventional computer；
Replication module：For carrying out duplication operation to the file for recognizing；
Memory module：Information for recording the generation instrument of evidence, record storage file and document source；
Processor：It is connected with authentication module, camouflage module, replication module, replication module respectively.
2. a kind of law enforcement evidence-obtaining system based on USB flash disk according to claim 1, it is characterised in that：Also include presetting module：
For being preset to evidence obtaining object before operation of collecting evidence.
3. a kind of law enforcement evidence-obtaining system based on USB flash disk according to claim 1 and 2, it is characterised in that：Also include identification mould
Block：For recognizing data and information in other side's storage device, the file type that discovery pre-sets.
4. a kind of law enforcement evidence-obtaining system based on USB flash disk according to claim 1, it is characterised in that：Described authentication module
Also include secret generation module, for generating authentication password on specific computer or server.
5. a kind of law enforcement evidence-obtaining system based on USB flash disk according to claim 1, it is characterised in that：Described memory module
Also include encrypting module, the instrument of evidence of the instrument of evidence generation encryption for that will store.
6. a kind of law enforcement evidence-obtaining system based on USB flash disk according to claim 1, it is characterised in that：Described memory module
Also include logging modle, for record storage timestamp, fileinfo, other side's computer hardware information, evidence obtaining process and evidence obtaining knot
The relevant informations such as fruit.
7. a kind of law enforcement evidence-obtaining system based on USB flash disk according to claim 1, it is characterised in that：Described camouflage module
Also include reminding module, given when being completed for collecting evidence and pointed out.
8. a kind of 1-7 suitable for claim any one enforce the law evidence-obtaining system evidence collecting method, it is characterised in that：Specifically according to
Secondary step is as follows：
A is examined：Law enforcement evidence obtaining USB flash disk is leading computer or server to examine using preceding need by law enforcement agency, obtains certification（I.e.
Law enforcement agency leader ratifies）Afterwards, and on law enforcement agency's computer or server authentication password is generated, for USB flash disk when insertion is used
Input validation；
B law enforcement modes are preset：USB flash disk is pre-set by the server or webpage of law enforcement agency, is preset law enforcement USB flash disk and is intended
The file type of evidence obtaining；
C enters spoofing mode：When computer or other storage devices that the evidence obtaining USB flash disk insertion for presetting is collected evidence, input step a
The authentication password that middle generation is obtained, USB flash disk is by pretending module automatically into spoofing mode；
D recognizes file：The data and information during module recognizes the computer or other storage devices collected evidence are set, discovery sets in advance
The file type put；
E is replicated：Replication module runs, and automatic duplication is carried out to qualified specified file and is operated；
F is recorded：By logging modle, by the instrument of evidence of file storage generation encryption, the instrument of evidence includes qualified finger
Determine file and this document information；
G is pointed out：After the file for meeting setting is all replicated storage, reminding module can be pointed out appropriately, can now extract U
Disk, evidence obtaining is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274035.8A CN106919855A (en) | 2017-04-25 | 2017-04-25 | A kind of law enforcement evidence-obtaining system and its evidence collecting method based on USB flash disk |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274035.8A CN106919855A (en) | 2017-04-25 | 2017-04-25 | A kind of law enforcement evidence-obtaining system and its evidence collecting method based on USB flash disk |
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| CN106919855A true CN106919855A (en) | 2017-07-04 |
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| CN201710274035.8A Pending CN106919855A (en) | 2017-04-25 | 2017-04-25 | A kind of law enforcement evidence-obtaining system and its evidence collecting method based on USB flash disk |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107506471A (en) * | 2017-08-31 | 2017-12-22 | 湖北灰科信息技术有限公司 | Quick evidence collecting method and system |
| CN108229187A (en) * | 2017-12-28 | 2018-06-29 | 北京奇虎科技有限公司 | A kind of method and system intelligently collected evidence using movable memory equipment |
| CN109213630A (en) * | 2018-08-16 | 2019-01-15 | 郑州云海信息技术有限公司 | A kind of data copy method and relevant apparatus of USB flash disk |
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| US20040260733A1 (en) * | 2003-06-23 | 2004-12-23 | Adelstein Frank N. | Remote collection of computer forensic evidence |
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| CN107506471A (en) * | 2017-08-31 | 2017-12-22 | 湖北灰科信息技术有限公司 | Quick evidence collecting method and system |
| CN108229187A (en) * | 2017-12-28 | 2018-06-29 | 北京奇虎科技有限公司 | A kind of method and system intelligently collected evidence using movable memory equipment |
| CN109213630A (en) * | 2018-08-16 | 2019-01-15 | 郑州云海信息技术有限公司 | A kind of data copy method and relevant apparatus of USB flash disk |
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Application publication date: 20170704 |
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