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Mail metadata processing method and device, storage medium and electronic device

A processing method and metadata technology, applied in the field of network security, can solve the problems of network attack defense lag, undiscovered solutions, etc., and achieve the effect of improving the ability of analysis, tracking and positioning

Active Publication Date: 2019-08-20
BEIJING QIANXIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no plan to obtain threat intelligence in advance when these attacks occur in a small area, and carry out early warning and defense on a large scale
Defenses leading to cyberattacks lag
[0005] For the above-mentioned problems existing in related technologies, no effective solution has been found yet

Method used

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  • Mail metadata processing method and device, storage medium and electronic device
  • Mail metadata processing method and device, storage medium and electronic device
  • Mail metadata processing method and device, storage medium and electronic device

Examples

Experimental program
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Effect test

Embodiment 1

[0029] The method embodiment provided in Embodiment 1 of the present application may be executed in a server or a similar computing device. Take running on the server as an example, figure 1 It is a block diagram of the hardware structure of a mail metadata processing server according to the embodiment of the present invention. Such as figure 1 As shown, the server 10 may include one or more ( figure 1 Only one is shown in ) processor 102 (processor 102 may include but not limited to processing devices such as microprocessor MCU or programmable logic device FPGA) and memory 104 for storing data. Optionally, the above-mentioned server can also be A transmission device 106 for communication functions and an input and output device 108 are included. Those of ordinary skill in the art can understand that, figure 1 The shown structure is only for illustration, and it does not limit the structure of the above server. For example, server 10 may also include figure 1 more or few...

Embodiment 2

[0060] In this embodiment, there is also provided a mail metadata processing device, which may be a server, and the device is used to realize the above-mentioned embodiments and preferred implementation modes, and those that have already been described will not be repeated. As used below, the term "module" may be a combination of software and / or hardware that realizes a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware are also possible and contemplated.

[0061] Figure 5 is a structural block diagram of an apparatus for processing mail metadata according to an embodiment of the present invention, which can be applied in a server, such as Figure 5 As shown, the device includes: an acquisition module 50, an identification module 52, and a setting module 54, wherein,

[0062] Collection module 50, for collecting mail samples;

[00...

Embodiment 3

[0072] An embodiment of the present invention also provides a storage medium, in which a computer program is stored, wherein the computer program is set to execute the steps in any one of the above method embodiments when running.

[0073] Optionally, in this embodiment, the above-mentioned storage medium may be configured to store a computer program for performing the following steps:

[0074] S1, collecting mail samples;

[0075] S2, identifying the file type of the mail sample by using OWL rules;

[0076] S3, extracting metadata of the mail sample according to the file type, and setting a metadata tag;

[0077] S4, extracting data information from the user file according to the metadata tag, and judging whether the user file is a threat file identifying an APT type according to the data information.

[0078] Optionally, in this embodiment, the above-mentioned storage medium may include but not limited to: U disk, read-only memory (Read-Only Memory, ROM for short), random ...

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PUM

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Abstract

The invention provides a mail metadata processing method and device, a storage medium and an electronic device, and the method comprises the steps: collecting a mail sample; identifying the file typeof the mail sample by adopting a network ontology language OWL rule; extracting metadata of the mail sample according to the file type, and setting a metadata tag; and extracting data information froma user file according to the metadata tag, and judging whether the user file is a threat file for identifying an advanced persistent threat APT type according to the data information. According to the method and the device, the technical problem of low efficiency of extracting the metadata of the mail sample in the prior art is solved.

Description

technical field [0001] The invention relates to the field of network security, in particular to a method and device for processing mail metadata, a storage medium, and an electronic device. Background technique [0002] A network attack is an attack on an electronic device by a hacker or a Trojan horse, which causes huge losses to users by stealing files. [0003] When tracking and discovering advanced persistent threat (Advanced Persistent Threat, APT) groups, context analysis is mainly based on malicious files, phishing emails and other attacks in network transmission. Attackers use malicious programs to intrude and control networks and information systems to steal sensitive data and damage systems and network environments. It is urgent to improve the detection rate and batch analysis capabilities of malicious samples spread in enterprise networks. [0004] In related technologies, in the field of computer security, network attacks are becoming more and more specialized a...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/58G06F16/35G06F17/27
CPCH04L63/1441H04L63/1408G06F16/35H04L51/42G06F40/30
Inventor 白敏王天翔
Owner BEIJING QIANXIN TECH
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