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Temporal Generalization and Explanation Stability of Control Flow Graph Neural Networks for Malware Detection

arXiv · AI, language, vision and robotics · article · Sep 21, 2026 · UTC

Malware detection is a critical task in cybersecurity, and graph neural networks over control flow graphs have shown promising results for it. However, detectors are usually evaluated on a random split of a corpus collected over a single period, which cannot show how well a model generalizes to later samples. This study addresses that limitation with a strict temporal split: every model is trained on one period and scored once on a later one. Two corpora of control flow graphs, each node carrying 37 features, were extracted statically from 1,989 Windows portable executables: 459 graphs from 20

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