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| Content Provider | ACM Digital Library |
|---|---|
| Author | Reeves, Douglas S. Ning, Peng Cui, Yun |
| Abstract | Traditional intrusion detection systems (IDSs) focus on low-level attacks or anomalies, and raise alerts independently, though there may be logical connections between them. In situations where there are intensive intrusions, not only will actual alerts be mixed with false alerts, but the amount of alerts will also become unmanageable. As a result, it is difficult for human users or intrusion response systems to understand the alerts and take appropriate actions. This paper presents a practical technique to address this issue. The proposed approach constructs attack scenarios by correlating alerts on the basis of prerequisites and consequences of intrusions. Intuitively, the prerequisite of an intrusion is the necessary condition for the intrusion to be successful, while the consequence of an intrusion is the possible outcome of the intrusion. Based on the prerequisites and consequences of different types of attacks, the proposed approach correlates alerts by (partially) matching the consequence of some previous alerts and the prerequisite of some later ones. The contribution of this paper includes a formal framework for alert correlation, the implementation of an off-line alert correlator based on the framework, and the evaluation of our method with the 2000 DARPA intrusion detection scenario specific datasets. Our experience and experimental results have demonstrated the potential of the proposed method and its advantage over alternative methods. |
| Starting Page | 245 |
| Ending Page | 254 |
| Page Count | 10 |
| File Format | |
| ISBN | 1581136129 |
| DOI | 10.1145/586110.586144 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2002-11-18 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Attack scenarios Intrusion detection Alert correlation |
| Content Type | Text |
| Resource Type | Article |
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