Nasty Glupteba malware uses Bitcoin blockchain to keep itself alive Attackers are sending Bitcoin loaded with malicious OP_RETURN data via Electrum wallet September 4, 2019 https://thenextweb.com/hardfork/201...in-blockchain-cryptocurrency-electrum-wallet/ Trend Micro: Glupteba Campaign Hits Network Routers and Updates C&C Servers with Data from Bitcoin Transactions