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A Cryptomining botnet abuses Bitcoin blockchain transactions as C2 backup mechanism

Security Affairs

Crooks are exploiting BTC blockchain transactions to hide backup command-and-control (C2) server addresses for a cryptomining botnet. Security experts from Akamai have spotted a new botnet used for illicit cryptocurrency mining activities that are abusing Bitcoin (BTC) transactions to implement a backup mechanism for C2.

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Crypto Mining Service Coinhive to Call it Quits

Krebs on Security

com , a cryptocurrency mining service that has been heavily abused to force hacked Web sites to mine virtual currency. Coinhive took a whopping 30 percent of the cut of all Monero currency mined by its code, and this presented something of a conflict of interest when it came to stopping the rampant abuse of its platform.

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Doki, an undetectable Linux backdoor targets Docker Servers

Security Affairs

The ongoing Ngrok mining botnet campaign is targeting servers are hosted on popular cloud platforms, including Alibaba Cloud, Azure, and AWS. “ Ngrok Mining Botnet is an active campaign targeting exposed Docker servers in AWS, Azure, and other cloud platforms. . ” continues the report. Pierluigi Paganini.

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Norton 360 Now Comes With a Cryptominer

Krebs on Security

Norton 360 , one of the most popular antivirus products on the market today, has installed a cryptocurrency mining program on its customers’ computers. According to the FAQ posted on its site , “ Norton Crypto ” will mine Ethereum (ETH) cryptocurrency while the customer’s computer is idle. ” reads a Dec.

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North Korea Is Now Mining Crypto to Launder Its Stolen Loot

WIRED Threat Level

A spy group working for the Kim regime has been feeding stolen coins into crypto mining services in an effort to throw tracers off their trail.

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GUEST ESSAY: Tapping Bitcoin’s security — to put a stop to ‘51% attacks’ of cryptocurrency exchanges

The Last Watchdog

However, these attacks aren’t due to exchange security flaws; malicious actors are exploiting the underlying consensus protocols of blockchains themselves. Every blockchain uses a consensus protocol which allows all nodes on the network to agree on the current state of the blockchain.

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Coinbase suspended Ethereum Classic (ETC) trading after a successful 51% attack

Security Affairs

Ethereum Classic (ETC) is the original unforked Ethereum blockchain, the attacks resulted in the loss of $1.1 51% attack refers to an attack on a blockchain by a group of miners that controls over 50% of the network’s mining hashrate. million worth of the digital currency. ” reads a blog post published by Coinbase.