Bitcoin Extortionists DD4BC Targeting Scandinavian ...

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While DDOSing my pool, check out what this asshole sent me

So I run blisterpool.com (simple p2pool node + layer of bonuses), and this asshole decides to try to extort 2btc from me. My node has been under a ddos attack for about 2-3 hours now.
I get an email to all my addresses, and then finally a message on bitcointalk a few minutes ago. Copy/pasta of message:
DD4BC Newbie * Online Online
Activity: 1
View Profile Personal Message (Online) Trust: -11: -2 / +0(0) Warning: Trade with extreme caution! HELLO? « Sent to: Hunterbunter on: Today at 04:02:32 PM » Reply with quoteQuote ReplyReply Remove this messageDelete Hello
Your mining server is extremely vulnerable to ddos attacks
I want to offer you info how to properly setup your protection, so that you can't be ddosed, at >least not with so little power. My price is 2 Bitcoin only.
Right now I'm running small (very small) attack which will not crash your server, but you should >notice it in logs. Just check it.
If I increase the attack size, I could completely crash, it would drop all connections and damage >would be big... Don't worry, I will not do it. Smiley
I want to offer you info on how I did it and what you have to do to prevent it. If interested pay me 2 BTC to 17aLGgw8AwJdqiBtMMG1QtQJgNQQkiyEsp
Thank you.
It's a shame for him that I can just shut the server down for a while and join one of the hundred other public p2pool nodes out there.
submitted by Hunterbunter to BitcoinMining [link] [comments]

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Source: Akamai. The exploits of DD4BC go back at least a year. In November of 2014, reports emerged of the group having sent a note to the Bitalo Bitcoin exchange demanding 1 Bitcoin in return for helping the site enhance its protection against DDoS attacks. At the same time, DD4BC executed a small-scale attack to demonstrate the exchange’s vulnerability to this method of disruption. Also read: Developer Creates Solution for Bitcoin Ransomware. DD4BC – Notorious Gang of Bitcoin Extortionists. If you are a Scandinavian company using a centralized service for any of your business needs, you may be faced with a threat from DD4BC in the very near future. Other Bitcoin sites. Bitcoin Forum Bitcoin Stack Exchange Bitcoin Magazine. Download Bitcoin Core. Bitcoin Core is the backbone of the Bitcoin network. Almost all Bitcoin wallets rely on Bitcoin Core in one way or another. If you have a fairly powerful computer that is almost always online, you can help the network by running Bitcoin Core. Suspected Members of Bitcoin Extortion Group DD4BC Captured The European Union’s top law enforcement agency has announced a new crackdown on distributed denial-of-service (DDoS) attack group DD4BC. An example of such activity is the criminal group DD4BC — DDoS for Bitcoin — whose members were arrested by Europol in January 2016. Hackers blackmailed online casinos and then moved on to attack financial institutions in Switzerland, New Zealand and Australia.

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