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Scam Sniffer:某用户在 Arbitrum 上向 GMX 奖励路由器签署交易后损失 92.7 万美元

2023-11-12 20:28:48

ChainCatcher 消息,Scam Sniffer 在社交平台表示,今日一用户在 Arbitrum 上向 GMX Reward Router(奖励路由器)签署“signalTransfer(address receiver)”交易后损失了价值 92.7 万美元的 GMX。

据悉,此方法授予“接收者”撤回其 LP 代币的权限。而接收者 0xbD2B 开头地址是一个预先计算的合约地址,在 Drainer 转移资产时创建的。

Drainer 滥用 Create2,通过为每个恶意签名生成新地址来绕过某些钱包中的安全警报。CREATE2 操作码允许在将合约部署到以太坊网络之前预测其地址,通过 Create2,Drainer 可以轻松地为每个恶意签名生成临时的新地址。受害者签名后,Drainer 在该地址创建合约并转移用户的资产。

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