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KiloEx 對遭遇黑客事件總結:TrustedForwarder 合約存在 bug 導致了此次攻擊

2025-04-21 18:59:55

ChainCatcher 消息,据 KiloEx 發文對黑客事件根本原因分析和事後總結稱,事件起因是其智能合約中的 TrustedForwarder 合約繼承了 OpenZeppelin 的 MinimalForwarderUpgradeable 但未重寫 execute 方法,導致該函數可被任意調用。

攻擊發生於 4 月 14 日 18:52 至 19:40(UTC),黑客通過在 opBNB、Base、BSC、Taiko、B2 和 Manta 等多個鏈上部署攻擊合約實施攻擊。經過協商,黑客同意保留 10% 賞金,並已將所有被盜資產(包括 USDT、USDC、ETH、BNB、WBTC 和 DAI)退還至 KiloEx 指定的多重簽名錢包。

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