Kaspersky Lab has published its report on botnet-assisted DDoS attacks for the second quarter of 2018. Over the last three months, the company’s experts have observed cybercriminals recall old vulnerabilities, make use of cameras and printers for DDoS attacks, expand their list of victims and monetize their efforts using cryptocurrency.

 

In the second quarter of 2018, DDoS botnets attacked online resources in 74 countries. For the first time in the history of DDoS Intelligence reports, Hong Kong found itself among the top three most attacked countries, coming second: its share increased fivefold and accounted for 17% of all botnet-assisted DDoS attacks.

 

China and the US remained first and third respectively, while South Korea slid down to fourth.

 

The most attacked resources in Hong Kong were hosting services and cloud computing platforms. Interestingly, the second quarter saw Hong Kong replaced by Vietnam in the top 10 rating of countries hosting the most active C&C servers.

 

The US, meanwhile, became leader of this rating, accounting for almost half (45%) of all active botnet C&C servers during the reporting period.

 

Activity by Windows-based DDoS botnets decreased almost sevenfold, while the activity of Linux-based botnets grew by 25%. This resulted in Linux bots accounting for 95% of all DDoS attacks in the quarter, which also caused a sharp increase in the share of SYN flood attacks – up from 57% to 80%.

 

Activity by Windows-based DDoS botnets decreased almost sevenfold, while the activity of Linux-based botnets grew by 25%. This resulted in Linux bots accounting for 95% of all DDoS attacks in the quarter, which also caused a sharp increase in the share of SYN flood attacks – up from 57% to 80%.

 

Despite the considerable length of service and the protocol’s limited scope, many open CHARGEN servers can be found on the internet. They are mostly printers and copiers.

 

However, the mastering of old techniques has not prevented cybercriminals from creating new botnets. For example, in Japan 50,000 video surveillance cameras were used to carry out DDoS attacks.

 

One of the most popular methods of monetizing DDoS attacks remains the targeting of cryptocurrencies and currency exchanges. A typical case is that of Verge cryptocurrency which saw hackers attack some mining pools and steal 35 million XVGs in the ensuing confusion.

 

Gaming platforms continue to be targeted as well, particularly during eSports tournaments. Moreover, according to Kaspersky Lab, DDoS attacks affect not only game servers (which is often done to extort a ransom in return for not disrupting the competition) but also the gamers themselves who connect from their own platforms. An organized DDoS attack on a team’s key players can easily result in that team losing and being eliminated from a tournament.

 

Cybercriminals use similar tactics to monetize attacks on the streamer market – channels streaming broadcasts of video games. Competition in this segment is intense, and by using DDoS attacks cybercriminals can interfere with online broadcasts and, consequently, a streamer’s earnings.

 

“There can be different motives for DDoS attacks – political or social protest, personal revenge, competition. However, in most cases they are used to make money, which is why cybercriminals usually attack those companies and services where big money is made. DDoS attacks can be used as a smokescreen to steal money or to demand a ransom for calling off an attack. The sums of money gained as a result of extortion or theft can amount to tens or hundreds of thousands and even millions of dollars. In that context, protection against DDoS attacks looks like a very good investment,” comments Alexey Kiselev, Project Manager on the Kaspersky DDoS Protection team.

 

Kaspersky DDoS Protection combines Kaspersky Lab’s extensive expertise in combating cyberthreats and the company’s unique in-house developments. The solution protects against all types of DDoS attacks regardless of their complexity, strength or duration.


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