Slow Fog: Suspicious activity related to contract "0x..B1B" detected on the Base chain

ChainCatcher message, SlowMist has issued a security warning, detecting potential suspicious activity related to the contract "0xB5486F71…8F47834D90B1B" on the Base chain. This contract has been upgraded to an implementation contract that includes a backdoor function "transferTokens," which attackers use to steal assets from users who previously approved this contract. Users concerned are advised to revoke this contract's authorization as soon as possible.