![]() In Q1 2021, cybercriminals also found a host of new tools for amplifying DDoS attacks. According to the researchers who identified the attack, it might have affected several thousand devices. Cybercriminals infected network devices, exploiting relatively recently discovered vulnerabilities, plus several unknown bugs. Q1 was not without yet another iteration of Mirai. This loophole was previously exploited by ADB.Miner, Ares, IPStorm, Fbot, Trinity, and other malware. It is not the first bot to attack mobile devices through a debug interface. The botnet was dubbed Matryosh (from the Russian word matryoshka - nesting doll) due to the multi-step process for obtaining the C&C address. Botnet operators use infected devices to carry out DDoS attacks or mine cryptocurrency.Īnother active bot focused on Android devices with the ADB (Android Debug Bridge) debug interface. Cybercriminals exploited several critical vulnerabilities in programs installed on victim devices, including the newly discovered CVE-2021-3007. ![]() News broke in January of the FreakOut malware, which attacks Linux devices. Q1 2021 saw the appearance of two new botnets.
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