Mt. Gox wallet with 80,000 BTC attacked via OP_RETURN message
A sophisticated bitcoin (BTC) phishing operation is underway involving a storied Wall Street institution and Mt. Gox. This week, a Salomon Brothers-branded website began hosting a webform demanding the Mt. Gox-era owner of 79,957 BTC surrender their personal information. First flagged by BitMEX Research, someone is depositing small amounts of BTC into some of the wealthiest wallets on the Bitcoin network. Using OP_RETURN outputs to publish a human-readable message to owners of wallets such as 1FeexV6bAHb8ybZjqQMjJrcCrHGW9sb6uF which holds 79,957 BTC worth over $8 billion , someone is asking the owner of that wallet to visit salomonbros[.]com/owner_notice. That dangerous webpage — which Protos does not recommend visiting — demands that the wallet owner submit personally identifying information. It leads with the text, “This digital wallet appears to be lost or abandoned. Our client has taken constructive possession of it and is [sic] seeks to determine if the...