~/talk

Elipmoc: advanced decompilation of Ethereum smart contracts

Talkat OOPSLA 2022 · 2022-12-05..12-10· [ethereum, security]
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slides:none on file

Elipmoc claims a practical, high-precision decompiler for Ethereum bytecode that resolves operands 99.5% of the time versus Gigahorse’s 62.8%, yields up to 67% more coverage of external calls than Panoramix and runs over 5× faster. It combines transactional sensitivity to separate dynamic executions, a scalable path-sensitive argument and return inference engine, and context-sensitive private function reconstruction to recover structured IR and readable sourcelike output and it has enabled discovery of multi‑million dollar vulnerabilities.

AI-written summary · about

  1. 0:00Start
  2. 0:24Ethereum Background
  3. 1:12The Ethereum Virtual Machine (EVM)
  4. 2:13Why not analyze source?
  5. 3:17Simple Smart Contract (Solidity)
  6. 4:00Simple Smart Contract (compiled)
  7. 5:27Decompilation Definition
  8. 7:06Elipmoc/Gigahorse Decompilation Pipeline Overview
  9. 9:16Main Contributions
  10. 10:34Source unparser output
  11. 11:14Transactional Sensitivity Overview
  12. 13:13Transactional Context Sensitivity Example
  13. 15:17Function Reconstruction Overview
  14. 16:07Evaluation Overview
  15. 16:56Comparison with Gigahorse: Precision, completeness, and scalability metrics
  16. 19:19Comparison with Gigahorse: Scalability
  17. 20:28Comparison with Panoramix
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