基于自動(dòng)機(jī)的公共無(wú)線網(wǎng)絡(luò)惡意智能設(shè)備行為檢測(cè)
本文選題:公共無(wú)線網(wǎng)絡(luò) + 惡意行為; 參考:《華中科技大學(xué)》2016年碩士論文
【摘要】:隨著無(wú)線網(wǎng)絡(luò)的快速發(fā)展,公共無(wú)線網(wǎng)絡(luò)正在日益普及,而公共無(wú)線網(wǎng)絡(luò)也已經(jīng)成為了黑客非法竊取用戶信息和資本的地方。由于公共無(wú)線網(wǎng)絡(luò)所存在的開(kāi)放性和脆弱性,各種各樣的攻擊方法也被運(yùn)用到攻擊公共無(wú)線網(wǎng)絡(luò)中,但是防御方法卻沒(méi)有相應(yīng)的發(fā)展,公共無(wú)線網(wǎng)絡(luò)的安全性也成為亟待解決得問(wèn)題。首先詳盡的分析了公共無(wú)線網(wǎng)絡(luò)中所面臨的惡意智能設(shè)備的攻擊行為,并對(duì)公共無(wú)線網(wǎng)絡(luò)中惡意行為進(jìn)行了行為界定,同時(shí)介紹了無(wú)線網(wǎng)絡(luò)的802.11協(xié)議。為了設(shè)計(jì)出公共無(wú)線網(wǎng)絡(luò)中惡意智能設(shè)備行為檢測(cè)算法,有限自動(dòng)機(jī)的概念被引入了進(jìn)來(lái),并對(duì)此概念進(jìn)行了具體闡述,而有限自動(dòng)機(jī)也經(jīng)常被用于各種異常檢測(cè)中。通過(guò)對(duì)公共無(wú)線網(wǎng)絡(luò)中惡意攻擊行為的行為特征進(jìn)行提取,設(shè)計(jì)出了基于自動(dòng)機(jī)的惡意攻擊行為檢測(cè)算法和模型;谧詣(dòng)機(jī)的惡意攻擊行為檢測(cè)模型運(yùn)用了自動(dòng)機(jī)檢測(cè)理論,通過(guò)對(duì)公共無(wú)線網(wǎng)絡(luò)中用戶行為進(jìn)行分析,分離出具有惡意行為的用戶智能設(shè)備,并對(duì)惡意行為進(jìn)行警報(bào)處理。在最后,通過(guò)模擬公共無(wú)線網(wǎng)絡(luò)中的實(shí)際環(huán)境,對(duì)所提出的惡意行為檢測(cè)模型進(jìn)行了實(shí)驗(yàn),測(cè)試結(jié)果表明,所提出的模型能夠有效檢測(cè)針對(duì)無(wú)線局域網(wǎng)的大部分攻擊,如拒絕服務(wù)攻擊、中間人攻擊等攻擊,能夠在一定程度上解決公共無(wú)線網(wǎng)絡(luò)的安全性問(wèn)題。
[Abstract]:With the rapid development of wireless network, public wireless network is becoming more and more popular, and public wireless network has become a place where hackers illegally steal user information and capital. Because of the openness and vulnerability of the public wireless network, various attack methods have been applied to attack the public wireless network, but the defense methods have not developed accordingly. The security of public wireless network has also become a problem to be solved. Firstly, the attack behavior of malicious intelligent devices in public wireless network is analyzed in detail, and the malicious behavior in public wireless network is defined. At the same time, the 802.11 protocol of wireless network is introduced. In order to design a behavior detection algorithm for malicious intelligent devices in public wireless networks, the concept of finite automata is introduced and elaborated in detail, and finite automata are often used in all kinds of anomaly detection. By extracting the behavior characteristics of malicious attack behavior in public wireless network, the detection algorithm and model of malicious attack behavior based on automata are designed. The detection model of malicious attack behavior based on automata uses the theory of automaton detection. By analyzing the behavior of users in public wireless networks, the intelligent devices with malicious behavior are separated and the malicious acts are alerted. Finally, by simulating the actual environment in the public wireless network, the proposed malicious behavior detection model is experimented. The test results show that the proposed model can effectively detect most attacks against WLAN. Such as denial of service attack, man-in-the-middle attack and so on, can solve the security problem of public wireless network to some extent.
【學(xué)位授予單位】:華中科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2016
【分類號(hào)】:TP301.1;TN915.08
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