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CertiK首发：Web2.0旧疾难去Premint NFT被盗事件分析
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北京时间2022年7月17日，CertiK安全团队监测到知名NFT平台Premint NFT官网被入侵后于今日遭受黑客攻击。导致了约37.5万美元的损失。 漏洞分析 黑客将恶意JavaScript代码上传至项目官网https://premint.xyz，恶意代码通过URL注入网站：https://s3-redwood-labs-premint-xyz[.]com/cdn.min.js?v=1658046560357，目前域名服务器不再存在，因此恶意文件不再可用。 
该攻击导致用户在将他们的钱包连接到该网站时会被指示 "全部批准（set approvals for all）"，从而使得攻击者可访问钱包中的资产。 链上分析 有六个外部拥有账户 (EOAs)与此次攻击直接相关 0x28733... 0x0C979... 0x4eD07... 0x4499b... 0x99AeB... 0xAAb00...
根据CertiK的评估，此次攻击开始于北京时间7月17日下午03:25，即为第一批被盗的NFT进入两个黑客账户的时间——恶意代码也许正是此时被上传至项目官网的。 
一位用户声称2个Goblintown NFTs被盗 在OpenSea上搜索这两个NFT，可以看到它们是如何交易的。同样，也可以通过搜索找到窃取NFT的钱包——EOA 0x0C979… 
通过监测NFT的流动，我们发现该钱包完美符合Discord网络钓鱼攻击的典型模式：大量资产流入，随后被迅速抛售。该钱包的第一笔入账交易来自0xAAb00F……，其也为0x28733……提供了资金。 重复上述检测，可以确认0x28733……也参与了黑客攻击。 
一名受害者发帖称，他们的Moonbirds Oddities被盗 在Etherscan搜索用户名称，显示Moonbird NFT被交易至EOA 0x28733…… 
该地址的流动模式与EOA 0x0C979…相同——大量资产流入，随后被迅速抛售。 这两个钱包地址共计盗取了包括BAYC、Otherside、Globlintownm在内的314个NFT（价值约37.5万美元）， 针对这次攻击，Premint的推特账户发布了一个警告：不要签署“全部批准（set approvals for all）”的交易，并指示那些怀疑自己被黑客攻击的用户如何联系revoke.cash来取回他们的资产。 
目前幸运的是其中两个外部账户似乎已经被发现。受害者正在联系revoke.cash以取回他们的资金。 资产去向 272 ETH (价值约37万美元) 目前存储于：https://etherscan.io/address/0x99aeb028e43f102c5776f6b652952be540826bf4。 其余2.68 ETH（价值约3636美元）存储于：https://etherscan.io/address/0xaab00f612d7ded169e51cf0142d48ff560f281f3 |
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