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Ethereum was one of the cryptocurrencies that was the most affected during this year's bear market. His misfortunes are now far from over, as hackers now point to mining hardware in an attempt to cash in before prices fall even further.
ZDnet (a technology-based newsletter) in a recent report revealed that hackers have unleashed a large-scale scanning network designed to hit the Ethereum portfolios and mining hardware. According to computer security researchers, the campaign has been running for at least a week since December 3rd.
The specific goal is port 8545 (the standard port for the JSON-RPC interface), used by mining hardware and the Ethereum portfolios. The API interface allows locally installed apps and services to scan data mining and related funds.
Some portfolios with less security and mining machinery expose this interface publicly through the door which can then be compromised. By default, the interface does not have a password set and is based on the user's setting. Hackers can use the door if left exposed to access the interface and lift cryptos from the wallet.
This threat is not new, however, since the Ethereum team warned Ethereum clients in August that they are configured unsafe. Recommendations included protecting the interface password or filtering traffic through the port using a firewall.
Some manufacturers of mining rigs have already taken steps to mitigate the problem by completely removing the interface or limiting the use of port 8545.
According to Qihoo 360 Netlab (Chinese computer security company), over 20 million dollars in Ethereum at the July exchange rate have already been stolen by a group. When the encryption prices increased, it was expected that scans and attacks would also increase.
The price of cryptocurrencies may be on the floor, but this does not prevent hackers from paying attention, looking for opportunities to grab some free loot.
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