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數據:BSC 鏈上 USDC-OCA 流動池遭攻擊,黑客利用通縮機制漏洞盜取 42.2 萬美元

2026-02-14 13:02:00

ChainCatcher 消息,据 BlockSec Phalcon 監測,BSC 鏈上一個未知的 USDC-OCA 流動性池遭攻擊,導致約 42.2 萬枚 USDC 被提取。

攻擊者利用了 OCA 代幣的通縮性 sellOCA() 邏輯漏洞,每次調用在 swap OCA 代幣的同時,從流動性池中移除等量的 OCA,人為抬高了池內代幣價格。

攻擊通過三筆交易完成:第一筆執行攻擊操作,後兩筆主要用於支付額外的區塊建設者賄賂。攻擊者向 48club-puissant-builder 支付了總計約 43 枚 BNB 加 69 枚 BNB,最終獲利估計約為 34 萬美元。同一区塊中的另一筆交易在 position 52 處失敗,疑似被攻擊者搶先交易。

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