A novel algorithm SF for mining attack scenarios model

Li Wang, Zhitang Li, Jie Lei, Yao Li
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引用次数: 13

Abstract

Large volume of security data can overwhelm security managers and keep them from performing effective analysis and initiating timely response. Therefore, it is important to develop an advanced alert correlation system to reduce alert redundancy, intelligently correlate security alerts and detect attack strategies. In our system, we introduced statistical filtering method in attack plan recognition. We apply statistical-based techniques to filter out separated and scattered attack behavior and mining frequent attack sequence patterns from the remainder. We use correlativity between two elements in frequent attack sequences to correlate the attack behavior and identify potential attack intentions based on it. We evaluate our approaches using DARPA 2000 data sets. The experiment shows that our approach can effectively discover attack scenarios in reality, provide a quantitative analysis of attack scenarios
一种新的攻击场景模型挖掘算法
大量的安全数据会使安全管理人员不堪重负,使他们无法执行有效的分析和发起及时的响应。因此,开发一种先进的警报关联系统来减少警报冗余,智能关联安全警报,检测攻击策略是非常重要的。在系统中,我们引入了统计滤波方法来识别攻击计划。我们应用基于统计的技术来过滤掉分离和分散的攻击行为,并从剩余的攻击中挖掘频繁的攻击序列模式。我们利用频繁攻击序列中两个元素之间的相关性来关联攻击行为,并在此基础上识别潜在的攻击意图。我们使用DARPA 2000数据集来评估我们的方法。实验表明,我们的方法可以有效地发现现实中的攻击场景,为攻击场景的定量分析提供依据
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