Network Forensic Analysis via Vulnerability Evidence Reasoning

In this article, we propose a novel method that uses vulnerability evidence reasoning in network forensics analysis. Central to our method is the evidence graph model to support evidence presentation and reasoning. Based on the evidence graph, we propose a network forensics method that built the evidence graph on the basis of the network system vulnerabilities and environmental information. At the same time, the proposed method can realize the reconstruction of attack scenarios with high efficiency and with the capability of identifying multi-staged at-tacks through evidence reasoning. Results of the experiment that we conducted would show that the proposed method is complete and credible with certain reasoning ability, which can be a powerful tool for rapid and effective network forensic analysis.