The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 27, 2018
Filed:
Nov. 22, 2016
Symantec Corporation, Mountain View, CA (US);
Zhipeng Zhao, Sunnyvale, CA (US);
Michael Pukish, Santa Clara, CA (US);
Chaopin Zhu, Sunnyvale, CA (US);
Preeti Agarwal, Los Altos, CA (US);
Symantec Corporation, Mountain View, CA (US);
Abstract
The disclosed computer-implemented method for identifying message payload bit fields in electronic communications may include (i) monitoring messages transmitted via a network, (ii) selecting a plurality of messages transmitted via the network, each of the plurality of messages comprising an identical message identifier corresponding to a specified message type having a payload, (iii) determining for each bit position in the payload of the specified message type, a quasi-entropy value based on a proportion of occurrences of a first bit value and a proportion of occurrences of a second bit value at each corresponding bit position in the plurality of messages, and (iv) identifying at least one of a near-random bit field, a periodic bit field, and a constant bit field within the specified message type based on the determined quasi-entropy values. Various other methods, systems, and computer-readable media are also disclosed.