PromeTrans: Bootstrap binary functionality classification with knowledge transferred from pre-trained models

doi:10.1007/s10664-024-10593-y

PromeTrans: Bootstrap binary functionality classification with knowledge transferred from pre-trained models

2024-11-27

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DOI：10.1007/s10664-024-10593-y

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Pre-trained models have witnessed significant progress in nature language (including source code) and binary code comprehension. However, none of them are suitable for binary functionality classification (BFC). In this paper, we present the first pre-trained model-based solution to BFC, namely PromeTrans, by fusing the knowledge of pre-trained models. Specifically, it overcomes the token size limitation of pre-trained models with a novel function outlining scheme and utilizes existing pre-trained assembly language models (AsmLMs) to generate embeddings for binary functions. Then, it utilizes a Graph Attention Network (GAT) to aggregate function embeddings following the call graph into a functionality embedding for each function. Lastly, it leverages existing pre-trained large natural language models (LLMs, e.g., GPT-3.5) to classify the functionality of source code functions and align the labels to binary functions. Based on the functionality embedding provided by AsmLMs and GAT and the functionality label knowledge provided by LLMs, a simple multi-layer perceptron (MLP) model is trained to classify the functionality of binary functions. Our prototype PromeTrans yields state-of-the-art (SOTA) performance on various datasets and achieves low overhead. PromeTrans also exhibits exceptional results in real-world applications (e.g., malware analysis). Additionally, by analyzing PromeTrans's training history, we confirm the quality of knowledge transferred from LLMs is high. It shows that transferring knowledge from pre-trained models has a strong potential to bootstrap binary program comprehension tasks beyond BFC.

Keywords:

Static analysis

Large language model

Program comprehension

Neural networks

Reverse engineering

PromeTrans: Bootstrap binary functionality classification with knowledge transferred from pre-trained models

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