USING A PROBABILITY-BASED MODEL TO DETECT RANDOM CONTENT IN A PROTOCOL FIELD ASSOCIATED WITH NETWORK TRAFFIC
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United States of America Patent
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Issued Date -
Nov 30, 2017
app pub date -
Jun 12, 2017
filing date -
Dec 30, 2014
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Abstract
A device may receive network traffic. The device may identify candidate text included in a protocol field associated with the network traffic. The device may identify a set of candidate strings included in the candidate text. The device may identify a set of characters that precedes or follows a candidate string, of the set of candidate strings, in the candidate text. The device may determine, using a data structure, a frequency with which the set of characters precedes or follows the candidate string. The device may determine whether the candidate text includes random text based on the frequency. The device may perform an action on the network traffic based on determining whether the candidate text includes random text.
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