神秘攻擊盜取百個EVM錢包資金




神秘攻擊導致「數百」EVM錢包資金被盜:ZachXBT揭露事件真相

近日,一名鏈上調查員ZachXBT披露,有黑客對以太坊虛擬機(Ethereum Virtual Machine,簡稱EVM)兼容的多條區塊鏈網絡發動攻擊,從「數百」個加密貨幣錢包中竊取資金。雖然每個錢包損失的金額不大,均低於2,000美元,但這次攻擊覆蓋範圍廣泛,顯示並非單一區塊鏈的孤立事件。

據悉,攻擊手法可能源於一封偽裝成MetaMask官方的釣魚郵件,誘使用戶授權惡意智能合約。網絡安全研究員Vladimir S.指出,這封偽郵件是此次攻擊的主要入口之一,並且有其他匿名用戶提供的線索支持這一說法。安全服務提供商Hackless形容這次事件是「自動化、廣泛的網絡利用」,並提醒用戶盡快撤銷智能合約授權,密切監控錢包狀況。

Vladimir S.更指出,這次大規模錢包資金被盜事件,或與去年12月聖誕節期間發生的Trust Wallet被黑事件有關聯。當時Trust Wallet遭遇供應鏈攻擊,導致約2,596個錢包損失總額達700萬美元。該事件起因於11月名為「Sha1-Hulud」的供應鏈攻擊,攻擊者入侵了npm軟件包,這些包被多個區塊鏈項目用於開發應用。Trust Wallet的GitHub代碼庫中開發者的「秘密」被洩露,令黑客得以修改並上傳帶有惡意代碼的瀏覽器擴展至Chrome網上應用店,偽裝成官方版本。

業內專家Anndy Lian及幣安創辦人兼前CEO趙長鵬(CZ)均認為,這類攻擊極可能涉及內部人員,因為攻擊者對Trust Wallet源代碼有深度了解。此次攻擊僅針對Trust Wallet的Chrome瀏覽器擴展,手機應用未受影響。幣安已承諾賠償用戶損失。

此事件再次提醒加密貨幣持有者,必須提高網絡安全意識,定期檢查和撤銷智能合約授權,謹防釣魚郵件及供應鏈攻擊,保護自己的資產安全。

評論與啟示

這次「數百錢包被盜」事件,雖然單筆損失不大,但其規模和手法卻令人警醒。首先,攻擊者利用偽裝成知名錢包MetaMask的釣魚郵件,成功欺騙大量用戶,反映出用戶對網絡安全防範意識仍有不足。其次,這次事件與去年底的Trust Wallet供應鏈攻擊可能存在關聯,揭示出區塊鏈生態系統中供應鏈安全的脆弱性。供應鏈攻擊一旦成功,影響範圍極廣,且難以被用戶察覺,這是加密行業亟需重視的安全漏洞。

此外,內部人員涉及的可能性更是令人擔憂,這說明即使是被視為安全的知名錢包和交易所,也不能忽視內部安全管理和代碼審查的重要性。幣安和Trust Wallet的快速回應及賠償措施值得肯定,但更關鍵的是如何從根本上防止類似事件重演。

對香港及全球加密貨幣用戶而言,這些事件提醒大家切勿掉以輕心,必須加強自身的安全防護措施,包括謹慎點擊郵件鏈接、定期更新密碼和撤銷不必要的智能合約授權,以及選擇信譽良好的錢包和交易平台。同時,行業內也應加強合作,推動更嚴格的安全標準和監管,保護用戶資產免受日益複雜的網絡攻擊威脅。

以上文章由GPT 所翻譯及撰寫。圖片由Gemini 根據內容自動生成。

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