Beosin | 印度交易所WazirX被盗2.35亿美元事件分析

链得得Publicado em 2024-07-17Última atualização em 2024-07-22

 2024年7月18日,据Beosin Alert监控预警发现印度交易所WazirX被攻击,攻击者获取到交易所多签钱包管理员的签名数据,修改钱包的逻辑合约,让钱包执行错误的逻辑,来盗取资产,涉及资金超2.35亿美元。

基于攻击者的攻击行为,推测原因为多签钱包的管理员私钥泄露,Beosin将攻击原因简析如下:

攻击者地址:

0x6eedf92fb92dd68a270c3205e96dccc527728066

被攻击地址:

0x27fd43babfbe83a81d14665b1a6fb8030a60c9b4

首先,攻击者部署攻击合约:

0x27fd43babfbe83a81d14665b1a6fb8030a60c9b4。

该合约的功能是提取本合约指定的代币资产。

第二步,攻击者获取到wazirx多签钱包管理员的签名数据,将钱包的逻辑合约修改为已经部署好的攻击合约。

对应交易为:

https://etherscan.io/tx/0x48164d3adbab78c2cb9876f6e17f88e321097fcd14cadd57556866e4ef3e185d

第三步,攻击者向wazirx多签钱包提交提取代币交易,由于代理模式的机制,钱包合约会利用delegatecall调用攻击合约的相关函数,转走钱包代币。

Beosin Trace对被盗资金进行追踪,被盗资金部分的流线图,目前来看,黑客已经将部分资金转移进入Changenow与Binance交易所,其中0xf92949ab576ac2f8dc9e4650e73db083f1f9cd9f为黑客在Binance的充币地址。

另一方面,黑客在过去两小时向地址0x35fe...745CA转移8010亿枚SHIB,价值高达1402万美元,正在持续分批抛售,目前黑客地址仍持有4.9万亿枚SHIB,总价值8652万美元。

Beosin Trace正在对被盗资金进行持续追踪。 

Beosin作为全球最早一批从事形式化验证的区块链安全公司,主打”安全+合规“全生态业务,在全球10多个国家和地区设立了分部,业务涵盖项目上线前的代码安全审计、项目运行时的安全风险监控与阻断、被盗追回、虚拟资产反洗钱(AML)以及符合各地监管要求的合规评估等“一站式”区块链合规产品+安全服务。


 BeosinBeosin作为一家全球领先的区块链安全公司,已在全球10多个国家和地区设立了分部,为区块链生态提供代码安全审计,安全风险监控、预警与阻断,虚拟资产被盗追回,KYT/AML等“一站式”安全产品+服务,保护客户资产高达5000多亿美元。

链得得仅提供相关信息展示,不构成任何投资建议

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