Botnet bitcoin mining pool
The great deal of money in these currencies has enticed more black market cybercrime groups into joining leagues of malicious cryptocurrency miners. By monitoring botnet families on the cloud, the Alibaba Cloud Security team found that malicious cryptocurrency mining has become the primary profit-making approach for black market cybercrime groups. By the end of August , a total of 58 large-scale cybercrime groups spreading cryptocurrency mining Trojans were detected. In this article, we will be looking at some of the most common technologies and development trends of cryptocurrency mining trojans from a macroscopic perspective to provide enterprises with security protection insights.
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Botnet bitcoin mining pool
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The Australian government has just recognized digital currency as a legal payment method. Since July 1, purchases done using digital currencies such as bitcoin are exempt from the country's Goods and Services Tax to avoid double taxation.
As such, traders and investors will not be levied taxes for buying and selling them through legal exchange platforms. Japan, which legitimized bitcoin as a form of payment last April, already expects more than 20, merchants to accept bitcoin payments. Other countries are joining the bandwagon, albeit partially: businesses and some of the public organizations in Switzerland, Norway , and the Netherlands.
In a recent study , unique, active users of cryptocurrency wallets are pegged between 2. But what does the acceptance and adoption of digital currencies have to do with online threats? A lot, actually. As cryptocurrencies like bitcoin gain real-world traction, so will cybercriminal threats that abuse it. But how, exactly? What does this mean to businesses and everyday users? Cryptocurrency is an encrypted data string that denotes a unit of currency. It is monitored and organized by a peer-to-peer network also known as a blockchain, which also serves as a secure ledger of transactions, e.
Unlike physical money, cryptocurrencies are decentralized, which means they are not issued by governments or other financial institutions. Cryptocurrencies are created and secured through cryptographic algorithms that are maintained and confirmed in a process called mining, where a network of computers or specialized hardware such as application-specific integrated circuits ASICs process and validate the transactions.
The process incentivizes the miners who run the network with the cryptocurrency. Bitcoin, for instance, was created by Satoshi Nakamoto pseudonym and released in as open-source code. Blockchain technology made it all work, providing a system where data structures blocks are broadcasted, validated, and registered in a public, distributed database through a network of communication endpoints nodes.
While bitcoin is the most famous cryptocurrency, there are other popular alternatives. This resulted in the development of Ethereum Classic, based the original blockchain, and Ethereum, its upgraded version via a hard fork. There are also other notable cryptocurrencies: Litecoin, Dogecoin, Monero. Litecoin is a purportedly technical improvement of Bitcoin that is capable of faster turnarounds via its Scrypt mining algorithm Bitcoin uses SHA The Litecoin Network is able to produce 84 million Litecoins—four times as many cryptocurrency units issued by Bitcoin.
Monero is notable for its use of ring signatures a type of digital signature and CryptoNote application layer protocol to protect the privacy of its transactions—amount, origin, and destination. Dogecoin, which was initially developed for educational or entertainment purposes, was intended for a broader demographic. Capable of generating uncapped dogecoins, it also uses Scrypt to drive the currency along.
Given their nature, they are more secure from fraud and identity theft as cryptocurrencies cannot be counterfeited, and personal information is behind a cryptographic wall. Unfortunately, the same apparent profitability, convenience, and pseudonymity of cryptocurrencies also made them ideal for cybercriminals, as ransomware operators showed. The increasing popularity of cryptocurrencies coincide with the incidences of malware that infect systems and devices, turning them into armies of cryptocurrency-mining machines.
Cryptocurrency mining is a computationally intensive task that requires significant resources from dedicated processors, graphics cards, and other hardware. While mining does generate money, there are many caveats. Cryptocurrencies are mined in blocks; in bitcoin, for instance, each time a certain number of hashes are solved, the number of bitcoins that can be awarded to the miner per block is halved.
Since the bitcoin network is designed to generate the cryptocurrency every 10 minutes, the difficulty of solving another hash is adjusted. And as mining power increases , the resource requirement for mining a new block piles up. Payouts are relatively small and eventually decrease every four years—in , the reward for mining a block was halved to Consequently, many join forces into pools to make mining more efficient.
Profit is divided between the group, depending on how much effort a miner exerted. Bad guys turn to using malware to skirt around these challenges.
To offset this, cryptocurrency-mining malware are designed to zombify botnets of computers to perform these tasks.
Cryptocurrency-mining malware employ the same modus operandi as many other threats—from malware-toting spam emails and downloads from malicious URLs to junkware and potentially unwanted applications PUAs.
In January , a vulnerability in Yahoo! In , the threat crossed over to Android devices as Kagecoin , capable of mining bitcoin, litecoin, and dogecoin.
The same was done to an old Java RAT that can mine litecoin. All exploit vulnerabilities. These threats infected devices and machines and turned them into monero-mining botnets. Cryptocurrency-mining malware steal the resources of infected machines, significantly affecting their performance and increasing their wear and tear. An infection also involves other costs, like increased power consumption. The most prevalent of these attacks we saw were:.
Information theft and system hijacking are also daunting repercussions. These attacks can also be the conduit from which additional malware are delivered. In April , a variant of Mirai surfaced with bitcoin-mining capabilities. Over the first three quarters of , we detected a bitcoin-mining zombie army made up of Windows systems, home routers, and IP cameras. From January 1 to June 24, , we also observed different kinds of devices that were mining bitcoin, although our telemetry cannot verify if these activities were authorized.
We found that machines running Windows had the most bitcoin mining activities, but also of note are:. Cryptocurrency-mining malware can impair system performance and risk end users and businesses to information theft, hijacking, and a plethora of other malware. And by turning these machines into zombies, cryptocurrency malware can even inadvertently make its victims part of the problem.
There is no silver bullet for these malware, but they can be mitigated by following these best practices:. Proactively monitoring network traffic helps better identify red flags that may indicate malware infection. Original design and equipment manufacturers also play vital roles in securing the ecosystems they run in.
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Skynet, a Tor-powered botnet straight from Reddit
Monero mining net. It works on a proof-of-work mining method to achieve distributed consensus. Scrypt Litecoin, Dogecoin, etc. Monero XMR is an open source cryptocurrency which offers increased decentralization and privacy to other cryptocurrencies. On top of that, MintMe. Below you'll find some information and resources on how to begin mining.
Monero Mining Botnet Targets PostgreSQL Database Servers
This is the third in a series introducing blockchain technology. It becomes a permanent record of all transactions that can never be changed. This view is so entrenched that it seems to appear in almost every popular article about blockchains. For an extended discussion of its falsity, see. Enthusiasts see this as impossible or so unlikely that it may be ignored. How much would it cost to gain control of bitcoin? Bitcoin currently rewards the successful miner with
Other sections. Miners are a class of malware whose popularity has grown substantially this year. The actual process of cryptocurrency mining is perfectly legal, though there are groups of people who hoodwink unwitting users into installing mining software on their computers, or exploiting software vulnerabilities to do so. Over the last month alone, we have detected several large botnets designed to profit from concealed crypto mining.
Cryptocurrency Mining Malware Landscape
Some components of the botnet have been analyzed in the past with the malware dating back to early Many of the DreamBus modules are poorly detected by security products. This is in part because Linux-based malware is less common than Windows-based malware, and thus receives less scrutiny from the security community. However, many critical business systems run on Linux systems, and malware that is able to gain access to these systems can cause significant disruption and irreparable harm to organizations that fail to secure their servers properly. The DreamBus malware exhibits worm-like behavior that is highly effective in spreading due its multifaceted approach to propagating itself across the internet and laterally through an internal network using a variety of methods.
Google Pulls Five Mobile Wallpaper Apps Due to Bitcoin Mining Malware
Bitcoin miners hit back at cyber-thieves
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Even with recent volatility in the price of most cryptocurrencies, especially Bitcoin, interest among mainstream users and the media remains high. At the same time, Bitcoin alternatives like Monero and Ethereum continue their overall upward trend in value Figure 1 , putting them squarely in the crosshairs of threat actors looking for quick profits and anonymous transactions. Because obtaining these cryptocurrencies through legitimate mining mechanisms is quite resource-intensive, cybercriminals are stealing them , demanding ransomware payments in them, and harnessing other computers to mine them for free. Recently, Proofpoint researchers have been tracking the massive Smominru botnet, the combined computing power of which has earned millions of dollars for its operators. Figure 1: Monero cryptocurrency values top and relative values of major cryptocurrencies, including Bitcoin, over the past year bottom. The miner itself, known as Smominru aka Ismo  has been well-documented      , so we will not discuss its post-infection behavior.
The botnet was initially spotted by security researchers at AliBaba and called Sysrv-hello. At first, the researchers noticed the use of a multi-component architecture and the worm propagator modules, with the botnet being upgraded to use a single binary able of mining and auto-spreading the malware to other devices. A Sysrv-hello XMrig mining configuration file was recovered successfully by the researchers at Lacework, helping them to find one of the Monero wallets used by the botnet to collect Monero mined on the F2Pool mining pool. Sysrv-hello is not the only botnet present on the Internet looking for free computing power, other botnets also actively trying to cash in from exploiting vulnerable servers in order to mine for Monero cryptocurrency. Your email address will not be published.
Proofpoint says that it has been monitoring the Monero miner Smominru, which is using the EternalBlue Exploit. The company says that the way Smominru uses Windows Management Infrastructure is unusual among cryptocurrency mining malware. Proofpoint wrote, "The speed at which mining operations conduct mathematical operations to unlock new units of cryptocurrency is referred to as 'hash power'. The security firm states that at least 25 hosts are conducting attacks via EternalBlue to infect new nodes and increase the size of the botnet right now.