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Tuesday, 09 November 2021 10:17

New DDoS attack vectors may spell trouble in future: Kaspersky Featured

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New DDoS attack vectors may spell trouble in future: Kaspersky Pixabay

The discovery of a way to spoof an IP address over TCP and a method to send requests to closed ports in a communications service network could both be potential vectors for a spate of DDoS attacks in future, the cyber security firm Kaspersky says.

Researchers at the Universities of Maryland and Colorado Boulder were credited with the TCP development, while the second was credited to security firm NexusGuard and named Black Storm.

The TCP attack targets devices between a client and a server: firewalls, load balancers, network address translators, and deep packet inspection tools, many of which could interfere with a TCP connection.

The Kaspersky report covered DDoS attacks in the third quarter of 2021 and said a new botnet named Mēris had been found during the period.

Citing Yandex and Qrator Labs, Kaspersky's Alexander Gutnikov, Oleg Kupreev and Yaroslav Shmelev described it as being made up of high-performance network devices, mainly from Mikrotik.

Mēris used HTTP pipelining, allowing multiple requests to be sent to a server within a single connection without waiting for a response.

"Attacks by this botnet are notable for the huge number of requests per second. For instance, a DDoS attack on a Cloudflare customer (attributed to Mēris) clocked in at 17.2 million requests per second, despite lasting less than a minute, while Yandex reported 21.8 million requests per second," the trio wrote.

The Kaspersky report said during the quarter a number of big DDoS attacks had hit New Zealand, with some being via the Mēris botnet.

An unnamed customer of Vocus, the banks ANZ and Kiwibank, the mail service NZ Post and the weather service MetService were named as being among those affected.

VoIP providers in Britain, Canada and the US were among those hit by DDoS attackers, with the oldest cryptocurrency site, bitcoin.org also being attacked.


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Sam Varghese

Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.

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