Identification of normal scripts in computer systems
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United States of America Patent
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Sep 16, 2014
Grant Date -
N/A
app pub date -
Apr 28, 2011
filing date -
Apr 28, 2011
priority date (Note) -
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Abstract
A machine learning model is used to identify normal scripts in a client computer. The machine learning model may be built by training using samples of known normal scripts and samples of known potentially malicious scripts and may take into account lexical and semantic characteristics of the sample scripts. The machine learning model and a feature set may be provided to the client computer by a server computer. In the client computer, the machine learning model may be used to classify a target script. The target script does not have to be evaluated for malicious content when classified as a normal script. Otherwise, when the target script is classified as a potentially malicious script, the target script may have to be further evaluated by an anti-malware or sent to a back-end system.
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