The bitcoin blockchain is helping keep a botnet from being taken down

Rows of 1950s-style robots operate computer workstations.

Amplify (credit score: Aurich Lawson / Ars Technica)

When hackers corral inflamed computer systems right into a botnet, they take particular care to verify they don’t lose management of the server that sends instructions and updates to the compromised gadgets. The precautions are designed to thwart safety defenders who mechanically dismantle botnets via taking up the command-and-control server that administers them in a procedure referred to as sinkholing.

Lately, a botnet that researchers were following for roughly two years started the use of a brand new option to save you command-and-control server takedowns: via camouflaging one among its IP addresses within the bitcoin blockchain.

Unattainable to dam, censor, or take down

When issues are operating usually, inflamed machines will report back to the hardwired management server to obtain directions and malware updates. Within the match that server will get sinkholed, alternatively, the botnet will to find the IP deal with for the backup server encoded within the bitcoin blockchain, a decentralized ledger that tracks all transactions made the use of the virtual forex.

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