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追踪 Ronin Bridge 被盗资金

Code Auditing
March 31, 2022

关于 Ronin Bridge 攻击事件

2022 年 3 月 29 日,Ronin Network 发布官方公告,提醒社区注意 Ronin Bridge 的安全事件。具体而言,攻击者通过入侵 Ronin 验证者窃取了私钥,然后通过两次攻击交易从 Ronin Bridge 提取了 173,600 ETH 和 25,500,000 USDC。

两次交易的详细信息如下:

追踪被盗资金

攻击者在获利后立即将被盗的 USDC 兑换成 ETH。具体而言,被盗的 USDC 被转移到 Uniswap 和 1inch,并使用两个中间节点,即 0x6656 和 0xe708,进行来回兑换。兑换完成后,所有被盗资金都变成了 ETH。

被盗 USDC 转移至 Uniswap 和 1inch 的流程。
被盗 USDC 转移至 Uniswap 和 1inch 的流程。
兑换的 ETH 转移回攻击地址的流程。
兑换的 ETH 转移回攻击地址的流程。
被盗 USDC 的流程。
被盗 USDC 的流程。

3 月 28 日,攻击者开始转移 ETH。截至 3 月 30 日,攻击者已将 6,250 ETH 从攻击地址转移到交易所,其中分别有 1,220 ETH 发往 FTX,3750 ETH 发往 Huobi,1 ETH 发往 Crypto.com。

好消息是,这些交易所愿意协助项目方追回被盗资金。

结论

截至撰稿时,攻击地址仍持有约 175,913 ETH,另有 1,279 ETH 正在被转移出。我们将持续监测被盗资金的去向,并及时与社区分享我们的发现。

其他数据

攻击者总共获利 182,162.86 ETH。其中,173,600 ETH 直接从项目方被盗,8,562.86 ETH 来自被盗的 USDC。

  • 初始资金:1.0569 ETH 来自 Binance
  • 被盗 ETH:173,600 ETH
  • 从被盗 USDC 兑换的 ETH:8,562.86 ETH (4869.18508653411 发往 Uniswap,3693.6752093176137 发往 1inch)
  • 已转出:6,250 ETH

参考

https://roninblockchain.substack.com/p/community-alert-ronin-validators?s=w

关于 BlockSec

BlockSec 是一家开创性的区块链安全公司,由一群国际知名的安全专家于 2021 年创立。公司致力于提升新兴 Web3 世界的安全性和可用性,以促进其大规模采用。为此,BlockSec 提供智能合约和 EVM 链安全审计服务,用于安全开发和主动阻止威胁的Phalcon平台,用于资金追踪和调查的MetaSleuth平台,以及供 web3 构建者在加密世界高效冲浪的MetaSuites扩展。

迄今为止,公司已为 MetaMask、Uniswap Foundation、Compound、Forta 和 PancakeSwap 等 300 多家知名客户提供服务,并在两轮融资中从 Matrix Partners、Vitalbridge Capital 和 Fenbushi Capital 等知名投资机构获得了数千万美元的投资。

官方网站:https://blocksec.com/

官方 Twitter 账号:https://twitter.com/BlockSecTeam

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