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ATLAS: A Multi-Agent Framework for Lifting Binary to Canonical Compiler IR

Xiaoao Zhu, Ni Zhang, Jie Ren, Zhiqiang Li, Jie Zheng, Zhanyong Tang, Zheng Wang · 2026 · arXiv

DOI: 10.48550/arXiv.2610.30877 · open-access PDF

Spanish

El levantamiento de binarios desechados, altamente optimizados a una representación intermedia canónica, pre-optimización LLVM (IR) es esencial para el análisis de seguridad a continuación y la migración de software legado cuando el código fuente no está disponible. Sin embargo, las optimizaciones de compiladores agresivos reescriben el control y el flujo de datos, eliminan metadatos estructurales e introducen idiomas de bajo nivel borrados de tipo, causando que los elevadores actuales produzcan IR malformados o semánticamente divergentes. Presentamos ATLAS, un marco multiagente diseñado para reconstruir IR LLVM formalmente válido y canónico de desmontaje optimizado.

Machine translation (Meta M2M100); the English original follows.

Abstract

Lifting stripped, heavily optimized binaries to a canonical, pre-optimization LLVM intermediate representation (IR) is essential for downstream security analysis and legacy software migration when source code is unavailable. However, aggressive compiler optimizations rewrite control and data flow, remove structural metadata, and introduce type-erased low-level idioms, causing current lifters to produce malformed or semantically divergent IR. We present ATLAS, a multi-agent framework designed to reconstruct formally valid and canonical LLVM IR from optimized disassembly.ATLAS combines (i) Struc

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