STATISTICAL APPROACH FOR AUGMENTING SIGNATURE DETECTION IN WEB APPLICATION FIREWALL

In an embodiment, a statistical approach for augmenting signature detection in a Web application firewall includes receiving a new request including a parameter in a uniform resource identifier (URI), tokenizing the new request, and determining a compound probability that tokens in a value that is a...

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Bibliographic Details
Main Authors Kondamuri, Chandra Sekhar, Joglekar, Abhijeet, Sonnenberg, Brian
Format Patent
LanguageEnglish
Published 26.12.2019
Subjects
CALCULATING
COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:In an embodiment, a statistical approach for augmenting signature detection in a Web application firewall includes receiving a new request including a parameter in a uniform resource identifier (URI), tokenizing the new request, and determining a compound probability that tokens in a value that is associated with the parameter of the URI and that is included in the new request are associated with an attack. The compound probability is determined based at least in part on component probabilities of tokens of historical values associated with the parameter of the URI.
Bibliography:Application Number: US201916449068