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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

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