  As one of the representative Delegated Proof-of-Stake (DPoS) blockchain
platforms, EOSIO's ecosystem grows rapidly in recent years. A number of
vulnerabilities and corresponding attacks of EOSIO's smart contracts have been
discovered and observed in the wild, which caused a large amount of financial
damages. However, the majority of EOSIO's smart contracts are not open-sourced.
As a result, the WebAssembly code may become the only available object to be
analyzed in most cases. Unfortunately, current tools are web-application
oriented and cannot be applied to EOSIO WebAssembly code directly, which makes
it more difficult to detect vulnerabilities from those smart contracts. In this
paper, we propose \toolname, a static analysis tool that can be used to detect
vulnerabilities from EOSIO WASM code automatically. We focus on one particular
type of vulnerabilities named \textit{fake-transfer}, and the exploitation of
such vulnerabilities has led to millions of dollars in damages. To the best of
our knowledge, it is the first attempt to build an automatic tool to detect
vulnerabilities of EOSIO's smart contracts. The experimental results
demonstrate that our tool is able to detect fake transfer vulnerabilities
quickly and precisely. EVulHunter is available on GitHub\footnote{Tool and
benchmarks: https://github.com/EVulHunter/EVulHunter} and YouTube\footnote{Demo
video: https://youtu.be/5SJ0ZJKVZvw}.
