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Low-bitrate denial of service attack method based on data flow

A denial-of-service attack and data flow technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of users sending data packets, unable to process data packets, data packet processing, etc., to achieve flexible attack process and improve The difficulty of detection and the effect of short statistical time slices

Inactive Publication Date: 2014-04-23
LIUZHOU VOCATIONAL & TECHN COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The basic principle of its work is to send a large amount of data to a computer or server that exceeds the processing capacity of the computer or server, so that the attacked computer or server cannot timely respond to all received data in a short period of time. The data packets are processed, so that the attacked computer or server cannot process the new data packets in a timely manner during this period of time, resulting in data packet loss, and cannot effectively provide corresponding services for the data packets sent by the user, thus Achieving the goal of a denial of service attack

Method used

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  • Low-bitrate denial of service attack method based on data flow

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Low-rate denial-of-service attacks against applications with fixed communication cycles;

[0017] (1) Monitor the communication rules of the target application program on the network, and record the fixed communication cycle of the target application program;

[0018] (2) When it is necessary to carry out a low-rate denial-of-service attack against the application, first establish a synchronization relationship with a communication data packet of the application;

[0019] (3) The denial-of-service attack program periodically sends out denial-of-service attack data in accordance with the synchronized time node and the previously recorded time period;

[0020] (4) The denial-of-service attack process is completely aimed at the application program with a fixed communication cycle.

Embodiment 2

[0022] An example of an application denial of service attack targeting irregular communication cycles.

[0023] (1) Analyze the communication rules of the target application program, and determine that the application program is an application program with an irregular communication cycle;

[0024] (2) When it is necessary to carry out a denial of service attack against the application, first monitor the characteristics of the application, IP address, port number or some identifying fields in the data packet on the network;

[0025] (3) When the special identifier of the target application program appears on the network, an instant low-rate denial of service attack data is launched on the network;

[0026] (4) After the denial-of-service attack program sends data, continue to monitor the communication data flow on the network, and continue to initiate low-rate denial-of-service attack data until a new special identifier of the application is found.

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Abstract

The invention discloses a low-bitrate denial of service attack method based on a data flow. The method has a low-bitrate denial of service attack effect. Communication rules of a target user or an application program are counted and analyzed, an appropriate opportunity is selected and an instant denial of service attack is initiated when communication is performed by the target user or the application program. After a short period of duration, the process of the denial of service attack is ended so that the denial of service attack effect towards the target user and the application program is achieved. Meanwhile, a low-bitrate attack requirement in a relatively long period of time is maintained. According to the low-bitrate denial of service attack method based on the data flow, minimum price is cost on the specific user or a specific application in a network, and the accurate denial of service attack effect towards the user or the application program can be realized by using the low-bitrate denial of service attack flow.

Description

technical field [0001] The invention relates to a method of denial of service attack, in particular to a method of low rate denial of service attack based on data flow. Background technique [0002] At present, traditional denial-of-service attack methods based on network traffic basically use large-flow data to achieve denial-of-service attack goals. The basic principle of its work is to send a large amount of data to a computer or server that exceeds the processing capacity of the computer or server, so that the attacked computer or server cannot timely respond to all received data in a short period of time. The data packets are processed, so that the attacked computer or server cannot process the new data packets in a timely manner during this period of time, resulting in data packet loss, and cannot effectively provide corresponding services for the data packets sent by the user, thus achieve the goal of a denial of service attack. At present, the network detection and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/801H04L12/26
Inventor 黄力潘大庆罗海波盘承军杨洁韦彬贵
Owner LIUZHOU VOCATIONAL & TECHN COLLEGE
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