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DDoS attacks in Q2 2021

SecureList

For example, April saw the active distribution of a new DDoS botnet called Simps — the name under which it introduced itself to owners of infected devices. The malware creators promoted their brainchild on a specially set-up YouTube channel and Discord server, where they discussed DDoS attacks.

DDOS 134
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Mirai V3G4 botnet exploits 13 flaws to target IoT devices

Security Affairs

During the second half of 2022, a variant of the Mirai bot, tracked as V3G4, targeted IoT devices by exploiting tens of flaws. Palo Alto Networks Unit 42 researchers reported that a Mirai variant called V3G4 was attempting to exploit several flaws to infect IoT devices from July to December 2022. ” concludes the report.

IoT 94
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Both Mirai and Hoaxcalls IoT botnets target Symantec Web Gateways

Security Affairs

The botnet borrows the code from Tsunami and Gafgyt botnets, it expanded the list of targeted devices and added new distributed denial of service (DDoS) capabilities. In the first week of May, the experts also spotted a Mirai variant using the same exploit, but this samples don’t contain any DDoS capabilities. Pierluigi Paganini.

IoT 104
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Inside Mirai the infamous IoT Botnet: A Retrospective Analysis

Elie

distributed Denial of service attacks (DDoS). What’s remarkable about these record-breaking attacks is they were carried out via small, innocuous Internet-of-Things (IoT) devices like home routers, air-quality monitors, and personal surveillance cameras. Mirai represents a turning point for DDoS attacks: IoT botnets are the new norm.

IoT 107
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We infiltrated an IRC botnet. Here’s what we found

Security Affairs

Infiltrating a cybercriminal operation can provide valuable data about different types of malicious activities, including DDoS attacks , malware distribution, and more. They’re relatively easy to take down and there are far larger botnets powered by newer technologies such as the Internet of Things (IoT). How we found the IRC botnet.

DDOS 136
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Threat Trends: Firewall

Cisco Security

For example, alerts produced by one firewall under a DDoS attack can easily dwarf the number of alerts generated from a single exploit that hits hundreds of organizations. Simply looking at the raw numbers in this case would give the false impression that DDoS attacks have a far greater impact across the base of organizations.

Firewall 113
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Outlaw is Back, a New Crypto-Botnet Targets European Organizations

Security Affairs

The Outlaw Botnet uses brute force and SSH exploit (exploit Shellshock Flaw and Drupalgeddon2 vulnerability ) to achieve remote access to the target systems, including server and IoT devices. The first version spotted by TrendMicro includes a DDoS script that could be used by botmaster to set-up DDoS for-hire service offered on the dark web.