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Crypto Mining
This post looks at how Coinhive vaulted to the top of the threat list less than a year after its debut, and explores clues about the possible identities of the individuals behind the service. Coinhive is a cryptocurrency mining service that relies on a small chunk of computer code designed to be installed on Web sites. The code uses some or all of the computing power of any browser that visits the site in question, enlisting the machine in a bid to mine bits of the Monero cryptocurrency.
Monero differs from Bitcoin in that its transactions are virtually untraceble, and there is no way for an outsider to track Monero transactions between two parties.
Naturally, this quality makes Monero an especially appealing choice for cybercriminals. Coinhive released its mining code last summer, pitching it as a way for Web site owners to earn an income without running intrusive or annoying advertisements. According to publicwww.
The service is widely used on many UK government websites, in addition to a few US and Canadian government sites. What does Coinhive get out of all this? Coinhive keeps 30 percent of whatever amount of Monero cryptocurrency that is mined using its code, whether or not a Web site has given consent to run it. The code is tied to a special cryptographic key that identifies which user account is to receive the other 70 percent.
Once a key is invalidated, Mursch said, Coinhive keeps percent of the cryptocurrency mined by sites tied to that account from then on. Mursch said Coinhive appears to have zero incentive to police the widespread abuse that is leveraging its platform.
Reached for comment about this apparent conflict of interest, Coinhive replied with a highly technical response, claiming the organization is working on a fix to correct that conflict. This assumption greatly simplified our initial development. We can cache site keys on our WebSocket servers instead of reloading them from the database for every new client. Coinhive maintains that approximately 35 percent of the Monero cryptocurrency mining activity that uses its platform comes from sites using AuthedMine.
Image: Malwarebytes. The statistic above refer to the number of times per day between Jan. Asked to comment on the Malwarebytes findings, Coinhive replied that if relatively few people are using AuthedMine it might be because anti-malware companies like Malwarebytes have made it unprofitable for people to do so. Similarly, data from the aforementioned source code tracking site publicwww. However, because many of these links either go to sites that actively mine with Coinhive or that include decidedly not-safe-for-work content, I have included screenshots instead of links in these cases.
This snapshop was taken on Sept. Image courtesy archive. I asked Coinhive for clarity on the disappearance of the above statement from its site concerning its affiliation with pr0gramm.
Coinhive replied that it had been a convenient fiction:. They let us use pr0gramm as a testbed for the miner and also allowed us to use their name to get some more credibility.
As we later gained some publicity, this statement was no longer needed. I reasoned that if they were not one and the same, the pr0gramm admins almost certainly would know the identities of the folks behind Coinhive. In other words, there is nothing in this research that was not put online by the pr0gramm administrators themselves.
I began with the pr0gramm domain itself which, like many other domains tied to this research, was originally registered to an individual named Dr. Matthias Moench. Moench is only tangentially connected to this research, so I will dispense with a discussion of him for now except to say that he is a convicted spammer and murderer, and that the last subsection of this story explains who Moench is and why he may be connected to so many of these domains.
His is a fascinating and terrifying story. Through many weeks of research, I learned that pr0gramm was originally tied to a network of adult Web sites linked to two companies that were both incorporated more than a decade ago in Las Vegas, Nevada: Eroxell Limited , and Dustweb Inc.
Both of these companies stated they were involved in online advertising of some form or another. Both Eroxell and Dustweb, as well as several related pr0gramm Web sites e. When pr0gramm last July first launched pr0miner the precursor to what is now Coinhive , it invited pr0gramm members to try the code on their own sites, offering any who did so to claim their reward in the form of pr0mium points.
A post on pr0gramm post concerning pr0miner, the precursor to what would later become known as Coinhive. I was able to determine this by tracing a variety of connections, but most importantly because phoboslab and pr0gramm both once shared the same Google Analytics tracking code UA Reached via email, Szablewski said he did not wish to comment for this story beyond stating that he sold pr0gramm a few years ago to another, unnamed individual.
Multiple longtime pr0gramm members have remarked that since cha0s departed as administrator, the forum has become overrun by individuals with populist far-right political leanings. Responding to questions via email, Fuerstberger said he had no idea pr0gramm was used to launch Coinhive. I do not even have anything to do with Pr0gram. When I found out now what was abusing my company, I was shocked. This map was created with Mindnode Pro for Mac. Click to enlarge. Among the many domains registered to Eroxell was deimoslab[dot]com , which at one point was a site that sold electronics.
As can be seen below in a copy of the site from thanks to archive. Deimos and Phobos are the names of the two moons of the planet Mars. A screenshot of Deimoslab.
A passive DNS lookup on an Internet address long used by pr0gramm[dot]com shows that deimoslab[dot]com once shared the server with several other domains, including phpeditor[dot]de.
One such site is ameisenforum[dot]de , a discussion forum for people interested in creating and raising ant farms. That is, until I discovered that the email address used to register phpeditor[dot]de also was used to register a rather unusual domain: antsonline[dot]de. In a series of email exchanges with KrebsOnSecurity, Krumb acknowledged that he was the administrator of pr0gramm as well as chief technology officer at the aforementioned Suntainment SL , but insisted that neither he nor pr0gramm was involved in Coinhive.
Krumb repeatedly told me something I still have trouble believing: That Coinhive was the work of just one individual — int13h , the pr0gramm user credited by Coinhive with creating its mining code.
Very soon after I began receiving email replies from Mr. Fuerstberger and Mr. Krumb, I started getting emails from Coinhive again. You have them on edge, which of course is exactly where you want them. While we must applaud your efficiency for finding information, your tactics for doing so are questionable in our opinion. Coinhive was rather dramatically referring to my communications with Krumb, in which I stated that I was seeking more information about int13h and anyone else affiliated with Coinhive.
On March 22, the Coinhive folks sent me a follow-up email, saying that in response to my inquiries they consulted their legal team and decided to add some contact information to their Web site. Business records show Badges2Go is a limited liability company established in April and headed by a Sylvia Klein from Frankfurt. Right now we check the potential and fix the next steps to professionalize the service.
I have one final and disturbing anecdote to share about some of the Web site registration data in the mind map above. When I first began this research back in January , I guessed that Mr. Moench was almost certainly a pseudonym used to throw off researchers.
But the truth is Dr. Moench is indeed a real person — and a very scary individual at that. According to a chilling article in the German daily newspaper Die Welt , Moench was the son of a wealthy entrepreneurial family in Germany who was convicted at age 19 of hiring a Turkish man to murder his parents a year earlier in Moench was ultimately convicted and sentenced to nine years in a juvenile detention facility, but he would only serve five years of that sentence.
Upon his release, Moench claimed he had found religion and wished to become a priest. Somewhere along the way, however, Moench ditched the priest idea and decided to become a spammer instead. For years, he worked assiduously to pump out spam emails pimping erectile dysfunction medications, reportedly earning at least Once again, Mr.
Moench was arrested and put on trial. In , he and several other co-defendants were convicted of fraud and drug-related offenses. Moench was sentenced to six years in prison. It may be tempting to connect the pr0gramm administrators with Mr. Moench, but it seems likely that there is little to no connection here. An incredibly detailed blog post from which sought to determine the identity of the Matthias Moench named as the original registrant of so many domains they number in the tens of thousands found that Moench himself stated on several Internet forums that his name and mailing addresses in Germany and the Czech Republic could be freely used or abused by any like-minded spammer or scammer who wished to hide his identity.
Apparently, many people took him up on that offer. Update, p. ET: Shortly after this story went live, an update was added to phoboslab[dot]org, the personal blog of Dominic Szablewski, the founder of pr0gramm[dot]com. In it, Szablewski claims responsibility for starting Coinhive. The new content there reads:. Over the years, this board has evolved and grown tremendously. When some trolls in found out who was behind pr0gramm, I received death threats for various moderation decisions on that board.
I decided to get out of it and sold pr0gramm. I was still working on pr0gramm behind the scenes and helped with technical issues from time to time, but abstained from moderating completely.
Just as an experiment, to see if it would work. Of course I needed some users to test it. The owners of pr0gramm were generous enough to let me try but had no part in the development. I quickly built a separate page on pr0gramm. It worked tremendously well. So I was searching for someone who would take over.
They have taken over Coinhive and are now working on a big overhaul. Despite the fact that the revenue isnt lost anyway, what makes you think this way?
Mining Monero
Beware of websites with cryptominer embedded as it could impact your computer speed while you lend your CPU resources to help mine cryptocurrency. You may have noticed that certain websites put significant load on your CPU and slow it down. Aside from the possibility that you may not have the best hardware, the slowdown could be due to a JavaScript miner embedded in the website. Instead of getting bombarded with annoying ads, you may now be getting an ad-free experience while unknowingly lending your computing resources to help mine cryptocurrency—in this case Monero, a privacy-focused alternative to the ever-popular Bitcoin.
What are Browser Crypto-miners?
On 6th December , FortiGuard Labs discovered a compromised website - acenespargc[. Looking into the source code, we noticed a suspicious encrypted script which the uses eval function to convert all the characters into numbers. We used a tool called CharCode Translator to reverse the numbers back into characters. We were then able to retrieve a link which redirects to a scam page or phishing website. The above is just a simple example. The threat actor can actually customize the phishing content by geographical location, and to better avoid detection, it will also disappear when it detects that you have visited the phishing page before. On the 28th of December, FortiGuard Labs learned about another malicious website using the very obfuscation technique we described above — romance-fire[. This website contained obscured malicious code for cryptocurrency mining.
How to Monetize Your Website with Cryptocurrency Mining
As bitcoin and other cryptocurrency prices soar, "cryptojacking" attackers surreptitiously take over web browsers, phones and servers to make some serious profit. We forecast it to be the biggest threat in Cryptocurrencies, like bitcoin and Monero, are created by using computing energy to solve complex math problems. When a problem is solved, a new piece of currency is made. This is called mining.
Monetizing your website in the crypto age
Coinhive is one of several services which offer JavaScript that can mine for cryptocurrency without the users' knowledge or consent. Coinhive is one of several companies offering this technology, but it is currently the most popular. Pixalate has compiled the list of sites with Coinhive enabled. You can download the list here. The list was last updated on November 27, Cryptojacking occurs when a JavaScript tag is integrated into a website's code to utilize the visitor's CPU to mine for cryptocurrency — such as Bitcoin, Monero, Ethereum , etc.
Cryptocurrency web mining: In union there is profit
On September 1st, , GitLab announced that their free CI offering was being restricted in response to "usage. Concurrently with these pricing changes, the market capitalization of mineable cryptocurrencies has exploded. At webapp. This is called CI Continuous Integration. Because developers can run arbitrary code on our servers, they often violate our terms of service to run cryptocurrency miners as a "build step" for their websites. You can learn more in our docs. The prolific programmer is certainly making sure that their contributions are well tested.
Who and What Is Coinhive?
Developing and running a successful website can be really challenging. Integrating with an ad network like Google Adsense and showing display ads on your site is a losing game: people hate ads and go to extreme lengths to block and ignore them. Since advertising is a undisputedly dying as an industry, there are only a couple of options you as a website owner can take to monetize your website in a future-proof way:. NOTE : Click the play button above.
minerBlock
For many years now the status quo for monetizing a website has been to place ads — skyscrapers, banners, full site takeovers, the list is extensive. High traffic and niche market websites have been the biggest beneficiaries here where ads can, in some instances, be their main revenue source. Some time ago the inevitable happened: someone saw one banner ad too many and the popular browser add-on Ad Block was released to rid us poor users of the clutter on our screen. To combat this many site owners released functionality to block their entire website with a modal popup unless the user agreed to disable the adblock plugin. All things said, I think most people are in agreement that ads are a particular nuisance. What if there was an alternative to monetizing a site that was less intrusive to the end user?
Cryptocurrency Mining Risks and U-M Restrictions
Anyone who steps into the cryptocurrency world for the first time has plenty of questions. From cold storage wallets to mysterious origin stories, there is a lot to answer for! But before we share opinions and speculation, we need to begin with the pure statistics of How quickly things change in the world of crypto! Just yesterday, it seems like we were scratching our heads at the prospect of a digital currency built on blockchain. Time is money, so they say.
This post looks at how Coinhive vaulted to the top of the threat list less than a year after its debut, and explores clues about the possible identities of the individuals behind the service. Coinhive is a cryptocurrency mining service that relies on a small chunk of computer code designed to be installed on Web sites. The code uses some or all of the computing power of any browser that visits the site in question, enlisting the machine in a bid to mine bits of the Monero cryptocurrency. Monero differs from Bitcoin in that its transactions are virtually untraceble, and there is no way for an outsider to track Monero transactions between two parties.
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