Malware detection framework based on graph variational autoencoder extracted embeddings from API-call graphs

Malware harms the confidentiality and integrity of the information that causes material and moral damages to institutions or individuals. This study proposed a malware detection model based on API-call graphs and used Graph Variational Autoencoder (GVAE) to reduce the size of graph node features ext...

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Vydané v:PeerJ. Computer science Ročník 8; s. e988
Hlavný autor: Gunduz, Hakan
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: United States PeerJ. Ltd 18.05.2022
PeerJ, Inc
PeerJ Inc
Predmet:
API-call graphs
Application programming interface
Artificial Intelligence
Data Mining and Machine Learning
Feature extraction
Feature selection
Graph embeddings
Graph Variational Autoencoder
Graphs
Machine learning
Malware
Malware detection
Mobile and Ubiquitous Computing
Model accuracy
Neural Networks
Recursive Feature Elimination
Security and Privacy
Spyware
API-call graphs
Graph embeddings
Recursive Feature Elimination
Malware detection
Graph Variational Autoencoder
ISSN:2376-5992, 2376-5992
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Shrnutí:Malware harms the confidentiality and integrity of the information that causes material and moral damages to institutions or individuals. This study proposed a malware detection model based on API-call graphs and used Graph Variational Autoencoder (GVAE) to reduce the size of graph node features extracted from Android apk files. GVAE-reduced embeddings were fed to linear-based (SVM) and ensemble-based (LightGBM) models to finalize the malware detection process. To validate the effectiveness of the GVAE-reduced features, recursive feature elimination (RFE) and Fisher score (FS) were applied to select informative feature sets with the same sizes as GVAE-reduced embeddings. The results with RFE and FS selections revealed that LightGBM and RFE-selected 50 features achieved the highest accuracy (0.907) and F-measure (0.852) rates. When we used GVAE-reduced embeddings in the classification, there was an approximate increase of %4 in both models’ accuracy rates. The same performance increase occurred in F-measure rates which directly indicated the improvement in the discrimination powers of the models. The last conducted experiment that combined the strengths of RFE selection and GVAE led to a performance increase compared to only GVAE-reduced embeddings. RFE selection achieved an accuracy rate of 0.967 in LightGBM with the help of selected 30 relevant features from the combination of all GVAE-embeddings.
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ISSN:2376-5992
2376-5992
DOI:10.7717/peerj-cs.988