Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices

In the last six months, we observed a 254% increase in activity from a Linux trojan called XorDdos. First discovered in 2014 by the research group MalwareMustDie, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers as well as its usage of XOR-based...

Artificial Intelligence and Cybersecurity

Artificial Intelligence AI and Machine Learning ML are essentials in modern cybersecurity. Both can automated the process of analyzing internet content and categorize it while identifying and mitigating threats such as malware, ransomware, phishing and botnets. AI and ML technologies are constant...

In China and Japan, Malicious Botnets Surge Amidst Holiday Ecommerce Traffic

Akamai data shows that in the days leading up to and including Lunar New Year, the activity of malicious bots increased 15% in China over the previous month. While a similar surge occurs during the high-traffic seen at the end-of-year holidays in EMEA and the U.S. — China and Japan present a...

SafeDNS: Cloud-based Internet Security and Web Filtering Solution for MSPs

Remote workplace trend is getting the upper hand in 2022. A recent survey by IWG the International Workplace Group determined that 70% of the world's professionals work remotely at least one day a week, with 53% based outside their workplace at least half of the week. Taking this into...

DDoS attacks in Q4 2021

News roundup Q4 2021 saw the appearance of several new DDoS botnets. A zombie network, named Abcbot by researchers, first hit the radar in July, but at the time it was little more than a simple scanner attacking Linux systems by brute-forcing weak passwords and exploiting known vulnerabilities. I...

Beware of the Attacks of Zombie Botnet

By Owais Sultan Cyberattacks and security threats can take many forms, but zombie botnets are particularly malicious and can often go… This is a post from HackRead.com Read the original post: Beware of the Attacks of Zombie Botnet...

Microsoft Sees Rampant Log4j Exploit Attempts, Testing

No surprise here: The holidays bought no Log4Shell relief. Threat actors vigorously launched exploit attempts and testing during the last weeks of December, Microsoft said on Monday, in the latest update to its landing page and guidance around the flaws in Apache’s Log4j logging library. “We have...

Detecting Evasive Malware on IoT Devices Using Electromagnetic Emanations

Cybersecurity researchers have proposed a novel approach that harnesses electromagnetic field emanations from the Internet of Things IoT devices as a side-channel to glean precise knowledge about the different kinds of malware targeting the embedded systems, even in scenarios where obfuscation...

IoT SAFE — An Innovative Way to Secure IoT

By the end of 2021, there will be 12 billion connected IoT devices, and by 2025, that number will rise to 27 billion. All these devices will be connected to the internet and will send useful data that will make industries, medicine, and cars more intelligent and more efficient. However, will all...

Where the Latest Log4Shell Attacks Are Coming From

Cybersecurity professionals across the world have been scrambling to shore up their systems against a critical remote code-execution RCE flaw CVE-2021-44228 in the Apache Log4j tool, discovered just days ago. Now under active exploit, the “Log4Shell” bug allows complete server takeover. Researche...

Attackers Will Flock to Crypto Wallets, Linux in 2022: Podcast

Ransomware is on the rise, and attackers are massing in never-before-seen numbers, lining up to find victims. Could the new year possibly get any worse? According to FortiGuard Labs, the answer is yes. According to its 2022 predictions, upcoming threats will target an expanding attack surface,...

Digging Deeper – An In-Depth Analysis of a Fast Flux Network

Fast Flux is a DNS technique used by botnets to hide various types of malicious activities, such as phishing, web proxying, malware delivery, and malware communication, behind an ever-changing network of compromised hosts acting as proxies. The Fast Flux network concept was first introduced in...

How to Exploit SQL Server Using Registry Keys

At the Imperva Research Labs we have the chance to scrutinize various security situations. In this blog, we will take a closer look at database security on SQL Server. One routine approach that security practitioners employ to protect databases is deploying honeypots and waiting for bad actors to...

How to Exploit SQL Server Using OLE Automation

As part of the Imperva Research Labs we have the opportunity to examine various security scenarios. In this post, we will consider database security on SQL Server. One standard method that security practitioners use to protect databases is deploying honeypots and waiting for hackers to take the...

Exploit for OS Command Injection in Draytek Vigor2960_Firmware

CVE-2020-8515 Draytek CVE-2020-8515 PoC I had kicking about...

The Underground Economy: Recon, Weaponization & Delivery for Account Takeovers

This is Part I of a two-part blog series taking readers inside the criminal enterprise that is account-takeover fraud. For part II, please click here. With account takeover ATO attacks on the rise, stopping threat actors in the early phases of the kill chain will help today’s defenders gain an...

Podcast: Ransomware Up x10; Telecoms Uber Walloped

Year-over-year, ransomware spiked more than tenfold in the first half of 2021, researchers report. According to Fortinet’s latest semiannual FortiGuard Labs Global Threat Landscape Report PDF, released on Monday, the telecommunications sector was the most heavily targeted, followed by government,...

Researchers Warn of Linux Cryptojacking Attackers Operating from Romania

A threat group likely based in Romania and active since at least 2020 has been behind an active cryptojacking campaign targeting Linux-based machines with a previously undocumented SSH brute-forcer written in Golang. Dubbed "Diicot brute," the password cracking tool is alleged to be distributed v...

Linux-Focused Cryptojacking Gang Tracked to Romania

A cryptojacking gang that’s likely based in Romania is using a never-before-seen SSH brute-forcer dubbed “Diicot brute” to crack passwords on Linux-based machines with weak passwords. The point of the campaign is mainly to deploy Monero mining malware, Bitdefender researchers said in a report...

Game Over: How to Stop DDoS Attacks on Online Gamers

You’re just about to take out a long-time rival, claim Victory Royale or round out a royal flush when your ping spikes or you’re DCed. Chances are you, or the game you’re playing, have been hit by a denial of service DoS attack. What’s the story? A recent report cited that of all cyber attacks...