Krebs on Security

MARCH 20, 2020

This week, security researchers said they spotted that same vulnerability being exploited by a new variant of Mirai , a malware strain that targets vulnerable Internet of Things (IoT) devices for use in large-scale attacks and as proxies for other cybercrime activity. which boasts some 100 million devices deployed worldwide.

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SecureList

FEBRUARY 16, 2021

While the resource was down, cryptocurrency newbies were invited to download a copy of Bitcoin Core via a torrenting service. In December, Canada’s Laurentian University reported a DDoS attack. Educational institutions are recommended to use anti-DDoS solutions and strong firewall settings, and partner up with ISPs.

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SecureList

NOVEMBER 7, 2022

In Q3 2022, DDoS attacks were, more often than not, it seemed, politically motivated. As before, most news was focused on the conflict between Russia and Ukraine, but other high-profile events also affected the DDoS landscape this quarter. The attackers stated on Telegram that they were “testing a new DDoS method.”

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SecureList

APRIL 25, 2022

The DDoS landscape in Q1 2022 was shaped by the ongoing conflict between Russia and Ukraine: a significant part of all DDoS-related news concerned these countries. In mid-January, the website of Kyiv Mayor Vitali Klitschko was hit by a DDoS attack, and the websites of a number of Ukrainian ministries were defaced. News overview.

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Krebs on Security

MAY 28, 2020

The United Kingdom’s anti-cybercrime agency is running online ads aimed at young people who search the Web for services that enable computer crimes, specifically trojan horse programs and DDoS-for-hire services. For example, search in Google for the terms “booter” or “stresser” from a U.K. FLATTENING THE CURVE.

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eSecurity Planet

NOVEMBER 3, 2022

Distributed denial of service (DDoS) attacks seek to cripple a corporate resource such as applications, web sites, servers, and routers, which can quickly lead to steep losses for victims. However, DDoS attackers sometimes even target the specific computers (or routers) of unwary people – often to harass video gamers, for example.

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Security Affairs

APRIL 17, 2022

Enemybot is a DDoS botnet that targeted several routers and web servers by exploiting known vulnerabilities. Researchers from Fortinet discovered a new DDoS botnet, tracked as Enemybot, that has targeted several routers and web servers by exploiting known vulnerabilities. Upon installing the threat, the bot drops a file in /tmp/.pwned

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Security Affairs

OCTOBER 11, 2023

A Mirai-based DDoS botnet tracked as IZ1H9 has added thirteen new exploits to target routers from different vendors, including D-Link, Zyxel, and TP-Link. Upon exploiting one of the above vulnerabilities, a shell script downloader “l.sh” is downloaded from hxxp://194[.]180[.]48[.]100. ” concludes the analysis.

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The Hacker News

JANUARY 18, 2022

An IRC (Internet Relay Chat) bot strain programmed in GoLang is being used to launch distributed denial-of-service (DDoS) attacks targeting users in Korea. Additionally, the DDoS malware was installed via downloader "Additionally, the DDoS malware was installed via downloader

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Security Affairs

JULY 22, 2023

Researchers warn of several DDoS botnets exploiting a critical flaw tracked as CVE-2023-28771 in Zyxel devices. Fortinet FortiGuard Labs researchers warned of multiple DDoS botnets exploiting a vulnerability impacting multiple Zyxel firewalls. Mirai botnets are frequently used to conduct DDoS attacks.”

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Malwarebytes

FEBRUARY 10, 2023

At the end of January, the Health Sector Cybersecurity Coordination Center warned that the KillNet group is actively targeting the US healthcare sector with distributed denial-of-service (DDoS) attacks. The Cybersecurity and Infrastructure Security Agency (CISA) says it helped dozens of hospitals respond to these DDoS incidents.

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Security Affairs

MARCH 10, 2022

Cisco Talos researchers have uncovered a malware campaign targeting Ukraine’s IT Army , threat actors are using infostealer malware mimicking a DDoS tool called the “Liberator.” Once downloaded, these files infect unwitting users rather than delivering the tools originally advertised.” Pierluigi Paganini.

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Security Affairs

FEBRUARY 3, 2020

L inear eMerge E3 smart building access systems designed by N ortek Security & Control (NSC) are affected by a severe vulnerability (CVE-2019-7256) that has yet to be fixed and attackers are actively scanning the internet for vulnerable devices. Passwords can be found in p roduct documentation and compiled lists available on the Internet.”

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Krebs on Security

JUNE 28, 2022

One of the most common ways PPI affiliates generate revenue is by secretly bundling the PPI network’s installer with pirated software titles that are widely available for download via the web or from file-sharing networks. An example of a cracked software download site distributing Glupteba. Image: Google.com. But on Dec.

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Security Affairs

DECEMBER 8, 2021

The company states that the attacker can exploit the flaw only if he has access to the device network or the device has direct interface with the Internet. It tries to drop a downloader that exhibits infection behavior and that also executes Moobot, which is a DDoS botnet based on Mirai.”

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SecureList

JUNE 8, 2022

A router is a gateway from the internet to a home or office — despite being conceived quite the opposite. Number of router vulnerabilities according to cve.mitre.org, 2010–2022 ( download ). Number of router vulnerabilities according to nvd.nist.gov, 2010–2022 ( download ). Mirai is not the only DDoS malware to target routers.

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Security Affairs

JULY 11, 2024

Akamai researchers also observed threat actors behind the DDoS botnet Muhstik exploiting this vulnerability. The botnet shell script downloads an ELF file named “pty3” from a different IP address, likely a sample of Muhstik malware. The bot also connects to the command and control domain p.findmeatthe[.]top,

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Security Affairs

JANUARY 19, 2021

The attacks aimed at compromising the tarted systems to create an IRC botnet, which can later be used to conduct several malicious activities, including DDoS attacks and crypto-mining campaign. “After the script is downloaded and given permissions (using the “chmod” command), the attacker tries to run it using Python 2.

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Webroot

MARCH 9, 2021

For even more tips from Webroot IT security experts Tyler Moffitt, Kelvin Murray, Grayson Milbourne, George Anderson and Jonathan Barnett, download the complete e-book on hacker personas. Once the criminal redirects internet traffic to malicious websites or takes control of servers, the damage is inevitable. The Impersonator.

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Security Affairs

NOVEMBER 21, 2019

In October one of the honeypots of the company captured the bot, its downloader , and some bot modules. “Fast forwarded to October 11, 2019, our Anglerfish honeypot captured another suspicious ELF sample, and it turned out to be the Downloader of the previous suspicious ELF sample.”

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Security Affairs

DECEMBER 16, 2022

Microsoft announced that a botnet dubbed MCCrash is launching distributed denial-of-service (DDoS) attacks against private Minecraft servers. Microsoft spotted a cross-platform botnet, tracked as MCCrash, which has been designed to launch distributed denial-of-service (DDoS) attacks against private Minecraft servers. ark—event[.]net

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Security Affairs

DECEMBER 21, 2021

Uptycs researchers have observed attacks related to miners, DDOS malware and some variants of ransomware actively leveraging LogforShell flaw in log4j. Last week the Log4j vulnerability turned the internet upside down. Figure 1: Shell script downloading and executing Xmrig. Figure 2: Kinsing getting downloaded via shell script.

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Security Affairs

DECEMBER 1, 2022

The attack chain starts with scans for the Redis server exposing port 6379 to the internet, then threat actors attempt to connect and run the following Redis commands: INFO command – this command allows adversaries to receive information about our Redis server. to the disk of the replica. ” reads the analysis published by AquaSec.

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SecureList

SEPTEMBER 21, 2023

Dark web services: DDoS attacks, botnets, and zero-day IoT vulnerabilities Of all IoT-related services offered on the dark web, DDoS attacks are worth examining first. See translation I’m the world’s best-known DDoS attacker for hire (getting ahead of myself here). Our advantages: 1. Tested, tried.

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Security Affairs

OCTOBER 12, 2021

The botnet appeared on the threat landscape in November 2020, the attacks aimed at compromising the target systems to create an IRC botnet, which can later be used to conduct several malicious activities, including DDoS attacks and crypto-mining campaigns. from visual-tools.com. ” reads the analysis published by the experts.

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Adam Levin

FEBRUARY 10, 2020

Most likely you didn’t pause before you clicked, and got phished or compromised in some other way–possibly by an internet of things device connected to your home network. Distributed denial of service attacks (DDoS) are a very likely mode of attack. And be judicious about any app you might download to your mobile device.

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SiteLock

AUGUST 27, 2021

There’s a lot of buzz going around in many online communities concerning the recent distributed denial of service (DDoS) attacks the world has witnessed. In Part One we’re going to look at the differences between a denial of service (DoS) and a distributed denial of service (DDoS) attack. Photo credit US Army Spc.

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Security Affairs

NOVEMBER 1, 2021

The botnet was created to launch DDoS attacks and to insert advertisements in the legitimate HTTP traffic of the victims, most of which are in China (96%). Qihoo 360’s Netlab Cybersecurity researchers discovered a huge botnet, tracked as Pink, that already infected over 1.6 million devices.

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Security Affairs

OCTOBER 23, 2018

Security experts from Sophos Labs have spotted a new piece of IoT malware tracked as Chalubo that is attempting to recruit devices into a botnet used to launch DDoS attacks. Experts noticed that the downloader would also drop a script, in the same way, the Xor.DDoS bot family does, likely authors borrowed the code from the old threat.

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Malwarebytes

FEBRUARY 24, 2022

The analysis says Cyclops Blink malware also comes with modules specifically developed to upload/download files to and from its command and control server, collect and exfiltrate device information, and update the malware. Among the latest attacks on Ukraine was a distributed denial of service (DDoS) attack. Mitigation and detection.

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eSecurity Planet

DECEMBER 8, 2023

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Implement rate limiting to harden against DDoS and DNS tunneling attacks.

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Security Affairs

AUGUST 28, 2023

Researchers spotted an updated version of the KmsdBot botnet that is now targeting Internet of Things (IoT) devices. The Akamai Security Intelligence Response Team (SIRT) discovered a new version of the KmsdBot botnet that employed an updated Kmsdx binary targeting Internet of Things (IoT) devices.

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SecureList

JUNE 6, 2025

Many automated bots constantly search the web for known vulnerabilities in servers and devices connected to the internet, especially those running popular services. The POST request contains a malicious command that is a single-line shell script which downloads and executes an ARM32 binary on the compromised machine.

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Security Affairs

JUNE 20, 2023

Researchers warn of an ongoing Tsunami DDoS botnet campaign targeting inadequately protected Linux SSH servers. Researchers from AhnLab Security Emergency response Center (ASEC) have uncovered an ongoing hacking campaign, aimed at poorly protected Linux SSH servers, to install the Tsunami DDoS botnet (aka Kaiten).

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Security Affairs

DECEMBER 15, 2023

It is designed to address the limitations of current Internet infrastructure, which is centralized, inefficient, and vulnerable to censorship. Once exploited, a command is executed on the system to download the initial script. The protocol enables secure and low-cost data transfer. ” reads the report published by Kaspersky.

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Security Affairs

OCTOBER 7, 2020

Upon gaining access to the device, the bot downloads one of seven binaries that install the HEH malware. Experts pointed out that the bot doesn’t contain any offensive features, such as the ability to launch DDoS attacks or to mine cryptocurrency, a circumstance that suggests the malware is under development.

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Security Affairs

SEPTEMBER 18, 2024

. “This service enables an entire suite of activities, including scalable exploitation of bots, vulnerability and exploit management, remote management of C2 infrastructure, file uploads and downloads, remote command execution, and the ability to tailor IoT-based distributed denial of service (DDoS) attacks at-scale.”

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