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“DIRE: A Neural Approach to Decompiled Identifier Naming” by Jeremy Lacomis, Pengcheng Yin, Edward J. Schwartz, Miltiadis Allamanis, Claire Le Goues, Graham Neubig, and Bogdan Vasilescu. In Proceedings of the IEEE/ACM International Conference on Automated Software Engineering, 2019.
The decompiler is one of the most common tools for examining binaries without corresponding source code. It transforms binaries into high-level code, reversing the compilation process. Decompilers can reconstruct much of the information that is lost during the compilation process (e.g., structure and type information). Unfortunately, they do not reconstruct semantically meaningful variable names, which are known to increase code understandability. We propose the Decompiled Identifier Renaming Engine (DIRE), a novel probabilistic technique for variable name recovery that uses both lexical and structural information recovered by the decompiler. We also present a technique for generating corpora suitable for training and evaluating models of decompiled code renaming, which we use to create a corpus of 164,632 unique x86-64 binaries generated from C projects mined from GitHub. Our results show that on this corpus DIRE can predict variable names identical to the names in the original source code up to 74.3% of the time.
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BibTeX entry:
@inproceedings{lacomis:2019:DIRE,
author = {Jeremy Lacomis and Pengcheng Yin and Edward J. Schwartz and
Miltiadis Allamanis and Claire Le Goues and Graham Neubig and
Bogdan Vasilescu},
title = {{DIRE}: A Neural Approach to Decompiled Identifier Naming},
booktitle = {Proceedings of the {IEEE/ACM} International Conference on
Automated Software Engineering},
year = {2019}
}
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