Security Investigate

Improving the Detection of Malware Behaviour Using Simplified Data Dependent API Call Graph

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Executive Summary

Malware stands for malicious software. It is software that is designed with a harmful intent. A malware detector is a system that attempts to identify malware using Application Programming Interface (API) call graph technique and/or other techniques. Matching the API call graph using graph matching algorithm have NP-complete problem and is slow because of computational complexity .In this study, a malware detection system based on API call graph is proposed. Each malware sample is represented as data dependent API call graph. After transforming the input sample into a simplified data dependent graph, graph matching algorithm is used to calculate similarity between the input sample and malware API call graph samples stored in a database.

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