Detection of a class of viral code

Details Detection of a class of viral code Detection of a class of viral code

2006-06-27

2006-06-27

Smithers, Matthew (Department: 2137)

Information security

Monitoring or scanning of software or data including attack...

Intrusion detection

C713S188000

Reexamination Certificate

active

07069589

ABSTRACT:
A method and apparatus for detecting a class of viral code are provided. The apparatus comprises an heuristic analyzer and a search component. The heuristic analyzer heuristically analyzes a subject file and generates a set of flags along with statistical information. The search component uses the set of flags with statistical information to perform a search for a scan string and/or a statement type in the subject file. A positive detection alarm is triggered if the scan string and/or statement type is found at least a corresponding predetermined number of times. The heuristic analyzer may be rule-based and comprise an heuristic engine and heuristic rules. The search component also may be rule-based and comprise a search engine and viral code class rules.

REFERENCES:
patent: 5826013 (1998-10-01), Nachenberg
Dr. Frans Veldman, “Heuristic Anti-Virus Technology”, 1994-1995, pp. 1-12.

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