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.

Date of Patent:
Aug. 26, 2025

Filed:

Sep. 22, 2023
Applicant:

Avast Software S.r.o., Prague, CZ;

Inventor:

Břetislav Šopík, Brno, CZ;

Assignee:

Avast Software s.r.o., Prague, CZ;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1416 (2013.01); H04L 63/1425 (2013.01);
Abstract

An electronic threat mitigation method is provided. A first rule for identifying application code is obtained, and a rule update for identifying application code is generated. An abstract syntax tree of the first rule is generated, the abstract syntax tree including a plurality of nodes. The rule update is incorporated into a first node of the plurality of nodes to generate a second rule for identifying application code, the first node at a first depth on the abstract syntax tree. The second rule is applied to a plurality of application code samples to determine a coverage of the second rule, and the first rule is updated as the second rule based on the coverage of the second rule and the first depth. A notification is provided or a data file is disabled, blocked, or deleted based on application of the second rule.


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