A user lost an NFT worth about $400,000

According to Scam Sniffer monitoring, some users lost NFTs worth about $400,000, including 3 BAYC, 5 MAYC, 10 BACK, 6 DOODLE and CloneX. The stolen user signed a malicious Opensea Registry OwnableDelegateProxy upgrade transaction. The attacker transfers all NFTs with 3 transactions by calling this malicious implementation. Following the incident, victims attempted to revoke approvals for Seaport, Blur, Blend, X2Y2, and LooksRare.
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