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has been cited by the following article:

• TITLE: An Algorithm for Generation of Attack Signatures Based on Sequences Alignment

  AUTHORS: Nan Li, Chunhe Xia, Yi Yang, HaiQuan Wang

  KEYWORDS: Attack Signatures Generation, Sequence Local Alignment, Affine Penalty, Intrusion Detection, Pruning Policy

  JOURNAL NAME: Journal of Software Engineering and Applications, Vol.1 No.1, December 9, 2008

  ABSTRACT: This paper presents a new algorithm for generation of attack signatures based on sequence alignment. The algorithm is composed of two parts: a local alignment algorithm-GASBSLA (Generation of Attack Signatures Based on Sequence Local Alignment) and a multi-sequence alignment algorithm-TGMSA (Tri-stage Gradual Multi-Sequence Alignment). With the inspiration of sequence alignment used in Bioinformatics, GASBSLA replaces global alignment and constant weight penalty model by local alignment and affine penalty model to improve the generality of attack signatures. TGMSA presents a new pruning policy to make the algorithm more insensitive to noises in the generation of attack signatures. In this paper, GASBSLA and TGMSA are described in detail and validated by experiments.