(Original title: Bitcoin dark cloud behind the ransomware virus is closely watching relevant departments.)
The blackmail virus has come to an end and Bitcoin continues to rise. From June 1, the "People's Republic of China Cyber ​​Security Law" was formally implemented. In the Internet age, cybersecurity is closely related to each of us. In recent days, an Internet ransomware virus has plunged computer users around the world into a mess. On May 12, the ransomware worm called "Want to cry" slammed on a global scale and infected with the virus. If computer users don't pay hackers a certain ransom, your computer's files will disappear. . So, more than 20 days have passed. What is the current virus control?
CCTV reporter Zhu Huirong: My current position is the laboratory of the cyber security real-time monitoring system. We can look at the picture behind me. This figure is the distribution of worms in our country. In this picture, the darker the color is. The places that are most frequently attacked are China, Beijing, Jiangsu, Zhejiang, and Guangdong, all of which are affected by high frequency of virus attacks.
CCTV reporter Zhu Huirong: We can also take a look at the timeline below the graph. Around May 12, it was the outbreak of the virus. May 15 was a small climax. In the following days, the virus attacked. The frequency tends to be steady, that is to say it has a certain degree of control.
The staff repeatedly emphasized that the vast majority of attacks have been intercepted by the system and anti-virus software. At present, many domestic network companies have given solutions for decrypting infected files. Most files can be recovered by antivirus software. In order to understand the virus further, the reporter saw a computer infected with the virus in this laboratory.
Network security expert Sun Xiaojun: The desktop wallpaper will be changed to: Please note that your important file has been encrypted. If you see this “Wail for Cry†window, it will tell you how to pay the ransom and decrypt it.
Reporter: Where is this window?
Sun Xiaojun: Here.
Reporter: This is a Chinese interface.
Sun Xiaojun: Because the hackers used different languages ​​according to different countries and regions.
Reporter: This is a countdown.
Sun Xiaojun: Yes, the ransom will increase. If you do not pay, the data will disappear forever. It's no use paying money again.
Once the virus is on your computer, the file name on your computer will end with "WNCRY", and such a file will not open properly. Computer users who ask for poisoning by hackers pay a certain amount of ransom to decrypt the files. The ransom, not the dollar, the renminbi, or the euro, is a kind of virtual currency, Bitcoin, which exists as a digital code.
Reporter: The following is Bitcoin's contact information, is it?
Sun Xiaojun: Yes, send $300 Bitcoin to this address.
However, in just 20 days, the amount of $300 convertible Bitcoin has changed significantly. On May 12, when the ransomware virus first spread, the price of Bitcoin was $1534, which meant that $300 could be exchanged for 0.19 Bitcoin, but soon Bitcoin soared, and on May 25th it was a record. A record high, one reached 2259 US dollars, 300 US dollars at this time can only exchange 0.13 bitcoin.
News background: Bitcoin behind ransomware
For the skyrocketing bitcoin, many people may not understand it, but it is this bitcoin that is not yet known to most people. The price trend over the past few years has caused people to be frightened.
When Bitcoin was first proposed in 2009, one dollar can be exchanged for 1,300 bitcoins. By 2011, one dollar can be exchanged for one bitcoin. Two years later, in 2013, it will cost US$900 to buy a Bitcoin. . And today, what is the price of a bitcoin? The latest data shows that on the morning of June 1, Bitcoin hit a new price of US$2,058.
What is the concept of this? For example, if you spent $1 and bought 1300 Bitcoin in 2009, you are already a millionaire with more than $2.6 million this year.
This skyrocketing makes everyone look surprised. What exactly is Bitcoin? What is the reason that causes Bitcoin prices to soar? We use a short video to first understand Bitcoin's past and present lives.
In simple terms, Bitcoin is a kind of virtual currency. It does not rely on any currency agency to issue, but rely on a specific algorithm, generated by a large number of calculations. The number of Bitcoins is not unlimited, and the maximum number that the designer sets is 21 million. More than 16 million Bitcoins have now been personally occupied, and nearly 5 million Bitcoins require a large amount of data to be tapped.
The concept of Bitcoin was first proposed by Satoshi Nakamoto in 2009, but the inventor was mysterious. After 2010, he disappeared from the Internet. His identity has been a mystery so far. No one can say clearly that he is a real person. The person is still a virtual name or a team.
For Bitcoin, the attitude of governments is also very different.
In 2014, Russia stated in its public development statement: “Bitcoin is a currency substitute and no Russian citizen or legal entity can use it.â€
South Korea’s attitude is also very firm and it refuses to acknowledge the existence of bitcoin as a legal currency.
Of course, there are also olive branches to Bitcoin. In 2013, Germany announced the recognition of the legal status of Bitcoin and became the first country in the world to recognize the legal status of Bitcoin.
Recently, some countries, such as the United States and Japan, have also opened their country to Bitcoin, encouraging people to use Bitcoin and formulating corresponding legal taxation policies.
In China, in January this year, after Bitcoin experienced a surge, the central bank interviewed the heads of three major Bitcoin platforms and urged them to self-check and rectify. The regulatory measures for Bitcoin are expected to be introduced this month.
Reporter observed: why bitcoin is favored by hackers
At present, the attitude of most countries to Bitcoin is basically in a wait-and-see attitude. That is to say, Bitcoin has not really been circulated in real life. But what makes people wonder is that this time the ransomware hackers demand Bitcoin as a ransom. What does hackers want for so many bitcoins that cannot be used? Since Bitcoin has not received approval from more countries, why is Bitcoin's price soaring? With these questions, we continue to look down.
Sun Xiaojun: Bitcoin is a decentralized monetary system. Unlike traditional currencies, it is easily tracked.
The reporter noticed that underneath the ransomware alert box, a string of 34-character letter combinations was provided. This is the hacking Bitcoin account. According to the dialog box prompt, it is necessary to deposit $300 worth of Bitcoin into this account. , you can restore the encrypted file. Is it possible to pay ransom money to hackers using only 34 digits of code? In order to understand the real situation, the reporter visited a trading platform in Beijing.
Beijing Wang Ruixi, a Bitcoin trading platform CEO: First of all, you have to download a program that is a bitcoin wallet, through which you can get an address. By simply passing this address, I can send you Bitcoin and send it successfully.
According to the price of Bitcoin that day, 300 US dollars is equivalent to paying 0.16 bitcoin to hackers. The reporter found that the entire program is very simple and requires only basic registration to obtain a dedicated address for Bitcoin transactions. Compared with traditional bank transfers, there is no need for real-name authentication and provision of personal information. Bitcoins in the account can also be converted into US dollars through trading on the trading platform.
During the interview, the reporter discovered that it was not the first time that hackers spread viruses and extort money from customers to use bitcoin to pay.
Reporter: Did you have a similar case before?
Sun Xiaojun: Actually, the use of Bitcoin to pay for similar viruses has already started to happen two years ago. In fact, the ransomware has always used bitcoin payment.
During the interview, industry sources told reporters that the use of Bitcoin as a means of payment for extortion viruses is just a case of using Bitcoin in the Internet world. In an Internet world called “dark networkâ€, Bitcoin has become the circulation currency there.
The so-called dark network, dark dark, network of the network, as the name suggests, is the dark world of the network.
Like this schematic diagram, if we compare the online world to the ocean, then the platforms that we usually reach, such as Tencent, Baidu, and Sohu, are all "Bright Net." This part of the network is only less than 10% of the total Internet. And below sea level, there is another network world that we ordinary people simply cannot relate to. This is called "dark network" (90%).
Han Hua, deputy director of the Network Information Center of the Chinese People's Public Security University: In fact, “dark network†is equivalent to reaching the Internet through a secret channel.
On the "dark network", visitors do not leave any traces of access, and all visits are anonymous. Some of this network is legal, and there are many hidden secrets.
"96% of Internet data cannot be accessed through standard search engines. Although most of them are useless information, there is everything on it, child trafficking, bitcoin money laundering, hallucinogens, marijuana, bounty hackers..."
This passage comes from the American drama "House of Cards". These "underground worlds" that cannot be found by search engines exist in real life, and some are even filthy and sinful. In October 2013, several U.S. agencies seized an e-commerce platform on a dark network. This platform is arguably the largest "black market" in the online world. It provides counterfeit passports, weapons drugs, and pornographic services. When closed, the platform had nearly 1 million customers and sales totaled 1.2 billion U.S. dollars. All transactions are made through Bitcoin.
Reporter's Investigation: The Dark Journey on the Mysterious "Dark Net"
In the survey, many industry sources told reporters that dark network is like a mysterious world in the Internet. The average person may not be able to touch this life, then, what is this kind of online world? In this dark network, what content is unknown? With the help of professionals, the reporter began an online trip to explore the Darknet world.
With the help of professionals, the reporter started this "dark network" journey.
Access to the dark network requires a special browser and, after multiple jumps, the real IP address of the registrant cannot be displayed at all. After this visit, after multiple hops, the US IP address is displayed. Soon the reporter logged onto the "dark network". In this particular software, relevant information in the "dark net" could be found, some of which were meaningless information, and more were some illegal transactions.
Professionals: There will be some information on drug deals. How much money he will tell you, this drug site is used to buy Bitcoin, this is Bitcoin's unit, 1971.29 US dollars, is probably 0.75 bitcoin.
When reporters entered the keyword “gunâ€, there were also a lot of related transaction information. The transaction information, without exception, will specify how many Bitcoins need to be paid after the price is marked in US dollars.
Professionals: Now almost everything on the “darknet†is purchased with Bitcoin. Our China is a ban on guns. It is completely healthy. The US guns are all registered. The guns on these networks should be unnumbered. Yes, a few hands or they assembled. The $570 is now 0.24 bitcoin, which supports bulk purchases.
It is worth mentioning that in the "dark network", almost all countries use different texts for information exchange, and when texts are input through Chinese language, there is not much information. The only one Chinese website shows that it is currently under construction.
Professionals: China's management is very strict. Many of what you see are actually abroad.
A few years ago, due to the sale of drug guns, a website with a small reputation in the “dark network†was seized by the U.S. government. Does this site still exist? After the reporter entered the name of the website, he discovered that the website did not disappear, but instead upgraded to the latest version, but now he wants to log in to this website, he must have an invitation code for insiders. As a viewer, the reporter could not log in at all.
Reporter: Can the government department crack this website and know what's going on?
Professionals: I find it very difficult. The first question is to know where the server of this site is. This is a very difficult problem to solve. If you want to conquer a website, you first need to know the website's loopholes, but in fact the website goes in and there isn't any information, so it's very difficult to crack it.
How to regulate network security?
On June 1, the "People's Republic of China Cyber ​​Security Law" was formally implemented. There will be laws for online behavior. Then, what is the understanding of the relevant authorities of the "dark network" and Bitcoin transactions? How to prevent anonymous transactions from illegal activities in our country?
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Han Hua told reporters that the relevant departments of the state are paying close attention to the understanding and management of the dark network.
Han Hua: It is mainly public security agencies. From the perspective of investigation and detection, if a “dark network†is involved in a case, it is bound to focus on the “dark network†and some of its technical, management, and operational mechanisms and technologies are concerned. Conduct the analysis. "Dark Net" or Bitcoin is all developed from a technical point of view. We must also increase our technological investment and R & D in network security.
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