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[虚拟币交流]
Yearn Finance遭遇重大yETH漏洞攻击，数百万LST代币被盗（转）
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超级薄荷糖漏洞清空了池子
+ q5 A5 Q" E# x6 `: i$ L+ j0 P* F根据区块链追踪记录，攻击者通过新部署的智能合约执行了一系列交易，其中一项交易生成了“几乎无限量”的 yETH。在人为制造的代币供应到位后，攻击者迅速从资金池中提取资产，瞬间耗尽了资金池的流动性。
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大约 1000 个 ETH（按当前价格计算价值约 300 万美元）迅速流入了隐私混合器 Tornado Cash。损失的全部规模尚不清楚，但yETH池袭击发生前，他拥有约 1100 万美元的资产。
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7 ]( F5 y; I! s独立调查员兼 X 用户 Togbe 最先发现了这一异常情况，他表示，这些动作类似于触发了超级薄荷糖功能。7 }/ U* P& R! r) ]# P) E9 b. w: v
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Togbe告诉媒体：“净转账数据显示，yETH超级铸币让攻击者榨干了资金池，获利约1000个ETH。虽然其他ETH也在此次事件中被牺牲，但他们仍然获利了结。”. l$ p9 f$ r7 ?+ O. A* V+ c. Y* A
( T4 @: ?! S( U# r$ ?: xYearn Finance做出回应
9 {0 W+ D! y' v3 P/ u& FYearn Finance在警报响起后不久便承认了这起事件，并在X上发布了声明：: q$ |" ^! N) Z! _
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“我们正在调查一起涉及 yETH LST 稳定币池的事件。Yearn Vaults（包括 V2 和 V3）不受影响。”& k% Y# C$ N* {3 \
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这种区别对用户至关重要。Yearn 的金库——管理着规模更大的生态系统资产池——似乎并未受到影响。相反，攻击者专门针对的是围绕较新的 yETH 产品构建的智能合约基础设施。8 n6 i: `8 [. P& q$ ?$ L2 G
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尽管如此，此次安全漏洞仍是 Yearn 自 2021 年以来最严重的安全事件之一，在 DeFi 市场流动性仍然不足的情况下，再次引发了人们对复杂收益策略安全性的关注。
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另请阅读：收益耕作现在还有利润吗？; e4 E9 f0 o1 m2 ^
# ^0 L# ?- n7 C7 E9 a( B协议压力史
- {( W+ ?- h# Z这并非Yearn Finance首次遭遇重大安全漏洞攻击。2021年2月，其yDAI金库遭到攻击，损失高达约1100万美元，黑客窃取了近300万美元。0 y/ U5 Z! `# B
! g% ~) C0 V- f# ?$ D' Y2023年12月，该协议披露，一个故障脚本导致其一个金库头寸损失了63%。虽然该事件并未影响用户资金，但引发了人们对Yearn内部运营保障措施的担忧。9 ^; R0 @$ p3 K) D1 t
& B# A8 |1 h5 v5 NYearn早期的成功与其备受瞩目的创始人Andre Cronje密切相关，他于2020年推出了该平台。已离开该项目于 2022 年启动。自那时起，这个由社区运营的协议不断推出新的收益产品和集成，包括命运多舛的 yETH 池。# w4 c8 x2 u1 X8 A
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接下来会发生什么？
' h" s" K! c: ~$ D由于数百万美元的 LST 资金丢失，并且攻击者的踪迹被 Tornado Cash 部分掩盖，调查人员正在争分夺秒地拼凑出此次攻击是如何进行的，以及是否有任何资金能够真正追回。) C" m4 C( I7 p4 Y$ z$ l8 g
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安全研究人员表示，此次攻击的架构表明攻击者对 Yearn 的合约系统有着深入的了解，这增加了攻击可能存在复杂漏洞或经济设计缺陷的可能性，而不是传统的重入攻击或预言机操纵攻击。
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在 Yearn 努力控制事态发展的同时，更广泛的 DeFi 社区再次面临复杂收益聚合产品的脆弱性——尤其是那些处理代币化质押衍生品的产品，这些衍生品已成为以太坊合并后经济的核心。
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1 w2 ~' f* L3 U9 o! T% q$ h目前，Yearn 用户只能等待该协议的完整事后分析报告。但传递的信息已经很明确：在 DeFi 领域，即使是最经受实战考验的协议，其安全性也仅取决于其最具实验性的产品。. c2 ^* d8 {0 N+ O3 U5 N
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