Muhstik Botnet Targeting Redis Servers Using Recently Disclosed Vulnerability

Muhstik, a botnet infamous for propagating via web application exploits, has been observed targeting Redis servers using a recently disclosed vulnerability in the database system. The vulnerability relates to CVE-2022-0543, a Lua sandbox escape flaw in the open-source, in-memory, key-value data...

Sandworm APT Hunts for ASUS Routers with Cyclops Blink Botnet

The modular botnet known as Cyclops Blink, linked to the same advanced persistent threat APT behind the NotPetya wiper attacks, is expanding its device targeting to include ASUS routers. Further, it’s likely that the botnet’s purpose is far more sinister than the average Mirai-knockoff’s penchant...

DirtyMoe Botnet Gains New Exploits in Wormable Module to Spread Rapidly

The malware known as DirtyMoe has gained new worm-like propagation capabilities that allow it to expand its reach without requiring any user interaction, the latest research has found. "The worming module targets older well-known vulnerabilities, e.g., EternalBlue and Hot Potato Windows privilege...

Russia May Use Ransomware Payouts to Avoid Sanctions

Russia may ramp up ransomware attacks against the United States as a way to ease the financial hurt it’s under due to sanctions, U.S. federal authorities are warning. Those sanctions have been levied against the nation and Vladimir Putin’s government due to its invasion of Ukraine. The Financial...

Hackers Abuse Mitel Devices to Amplify DDoS Attacks by 4 Billion Times

Threat actors have been observed abusing a high-impact reflection/amplification method to stage sustained distributed denial-of-service DDoS attacks for up to 14 hours with a record-breaking amplification ratio of 4,294,967,296 to 1. The attack vector – dubbed TP240PhoneHome CVE-2022-26143 – has...

Imperva Thwarts 2.5 Million RPS Ransom DDoS Extortion Attacks

Cybersecurity company Imperva on Friday said it recently mitigated a ransom distributed denial-of-service DDoS attack targeting an unnamed website that peaked at 2.5 million requests per second RPS. "While ransom DDoS attacks are not new, they appear to be evolving and becoming more interesting...

Russia Releases List of IPs, Domains Attacking Its Infrastructure with DDoS Attacks

As the ongoing Russia-Ukraine conflict continues to escalate, the Russian government on Thursday released a massive list containing 17,576 IP addresses and 166 domains that it said are behind a series of distributed denial-of-service DDoS attacks aimed at its domestic infrastructure. Some of the...

[Security Nation] Matthew Kienow on Open-Source Security and the Recog Framework

!\Security Nation\ Matthew Kienow on Open-Source Security and the Recog Frameworkhttps://blog.rapid7.com/content/images/2022/03/securitynationlogo.jpg In this episode of Security Nation, Jen and Tod chat with Matthew Kienow, Senior Software Engineer at Rapid7, about open-source security – a subje...

Hackers Find a New Way to Deliver Devastating DDoS Attacks

Cybercriminals are exploiting a fleet of more than 100,000 misconfigured servers to knock websites offline...

Hackers Begin Weaponizing TCP Middlebox Reflection for Amplified DDoS Attacks

Distributed denial-of-service DDoS attacks leveraging a new amplification technique called TCP Middlebox Reflection have been detected for the first time in the wild, six months after the novel attack mechanism was presented in theory. "The attack … abuses vulnerable firewalls and content filteri...

Ukraine Hit with Novel ‘FoxBlade’ Trojan Hours Before Invasion

“As tanks rolled into Ukraine, so did malware,” summarized humanitarian author Andreas Harsono, referring to the novel malware that Microsoft has named FoxBlade. On Monday, the company reported that its Threat Intelligence Center MSTIC had detected cyberattacks launched against Ukraine’s digital...

Geopolitical Tensions Increase Risk of DDoS Attacks Among Other Damaging Intrusions

With Ukraine moving beyond the brink of war with an official invasion by Russia underway, organizations both near and afar must brace for potential repercussions in the form of crippling cyberattacks and intrusions. Already Ukraine has been bombarded with DDoS assaults aimed at taking down...

Potential cybersecurity impacts of Russia’s invasion of Ukraine

On Thursday night, Russia launched a military invasion of its neighbor and former Soviet Union member Ukraine, drawing a broad rebuke from international leaders, along with significant protest from the Russian public. The toll of human life from this war is unknown, and, like the many internation...

New Wiper Malware Targeting Ukraine Amid Russia's Military Operation

Cybersecurity firms ESET and Broadcom's Symantec said they discovered a new data wiper malware used in fresh attacks against hundreds of machines in Ukraine, as Russian forces formally launched a full-scale military operation against the country. The Slovak company dubbed the wiper "HermeticWiper...

Russia Was Behind DDoS Attacks Against Ukraine, US Officials Say

Plus: A crypto crime crackdown, Roblox ripoffs, and more of the week’s top security news...

Ukrainian DDoS Attacks Should Put US on Notice–Researchers

On Tuesday, institutions central to Ukraine’s military and economy were hit with a wave of denial-of-service DoS attacks, which sparked an avalanche of headlines around the world. The strike itself had limited impact — but the larger implications for critical infrastructure beyond the Ukraine are...

FBI: Use a Burner Phone at the Olympics

Use a burner phone if you’re traveling to the Olympics, the FBI warned on Tuesday, lest you come home with a nasty case of malware and/or snatched personal data. The FBI didn’t mention specific threats, per se, but its alert warned those traveling to the February 2022 Beijing Winter Olympics and...

Reasons Why Every Business is a Target of DDoS Attacks

DDoS Distributed Denial of Service attacks are making headlines almost every day. 2021 saw a 434% upsurge in DDoS attacks, 5.5 times higher than 2020. Q3 2021 saw a 24% increase in the number of DDoS attacks in comparison to Q3 2020. Advanced DDoS attacks that are typically targeted, known as sma...

Microsoft Mitigated Record-Breaking 3.47 Tbps DDoS Attack on Azure Customers

Microsoft this week revealed that it had fended off a record number of distributed denial-of-service DDoS attacks aimed at its customers in 2021, three of which surpassed 2.4 terabit per second Tbps. One of the DDoS attacks took place in November, targeting an unnamed Azure customer in Asia and...

Cyberattacks on Squid Game Minecraft Tourney Take Down Andorra’s Internet

A massive Minecraft tournament styled after the Netflix blockbuster Squid Game known, of course, as “SquidCraft” apparently inspired a distributed denial of service DDoS attack that took down the sole and state-owned internet service provider in Andorra. Internet-freedom monitoring company...