A new technique and tool are presented for test data generation for path testing. They are based on the dynamic technique and on a Genetic Algorithm, which evolves a population of input data towards reaching and solving the predicates along the program paths. We improve the performance of test data generation by using past input data to compose the initial population for the search. An experiment was done to assess the performance of the techniques compared to that of random data generation.
The ubiquity of Internet-connected devices motivates attackers to create malicious programs (malware) to exploit users and their systems. Malware detection requires a deep understanding of their possible behaviors, one that is detailed enough to tell apart suspicious programs from benign, legitimate ones. A step to effectively address the malware problem leans toward the development of an ontology. Current efforts are based on an obsolete hierarchy of malware classes that defines a malware family by one single prevalent behavior (e.g., viruses infect other files, worms spread and exploit remote systems autonomously, Trojan horses disguise themselves as benign programs, and so on). In order to address the detection of modern, complex malware families whose infections involve sets of multiple exploit methods, we need an ontology broader enough to deal with these suspicious activities performed on the victim's system. In this paper, we propose a core model for a novel malware ontology that is based on their exhibited behavior, filling a gap in the field.
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