65 matches found
New Version of Prometei Botnet Infects Over 10,000 Systems Worldwide
An updated version of a botnet malware called Prometei has infected more than 10,000 systems worldwide since November 2022. The infections are both geographically indiscriminate and opportunistic, with a majority of the victims reported in Brazil, Indonesia, and Turkey. Prometei, first observed i...
Microsoft Disrupts ZLoader Cybercrime Botnet in Global Operation
Microsoft and a consortium of cybersecurity companies took legal and technical steps to disrupt the ZLoader botnet, seizing control of 65 domains that were used to control and communicate with the infected hosts. "ZLoader is made up of computing devices in businesses, hospitals, schools, and home...
Google Play Bitten by Sharkbot Info-stealer ‘AV Solution’
Researchers have found the info-stealing Android malware Sharkbot lurking unsuspected in the depths of the Google Play store under the cover of anti-virus AV solutions. While analyzing suspicious applications on the store, the Check Point Research CPR team found what purported to be genuine AV...
‘DarkWatchman’ RAT Shows Evolution in Fileless Malware
A novel remote access trojan RAT being distributed via a Russian-language spear-phishing campaign is using unique manipulation of Windows Registry to evade most security detections, demonstrating a significant evolution in fileless malware techniques. Dubbed DarkWatchman, the RAT – discovered by...
New Fileless Malware Uses Windows Registry as Storage to Evade Detection
A new JavaScript-based remote access Trojan RAT propagated via a social engineering campaign has been observed employing sneaky "fileless" techniques as part of its detection-evasion methods to elude discovery and analysis. Dubbed DarkWatchman by researchers from Prevailion's Adversarial...
Phorpiex morphs: How a longstanding botnet persists and thrives in the current threat environment
Phorpiex, an enduring botnet known for extortion campaigns and for using old-fashioned worms that spread via removable USB drives and instant messaging apps, began diversifying its infrastructure in recent years to become more resilient and to deliver more dangerous payloads. Today, the Phorphiex...
Phorpiex morphs: How a longstanding botnet persists and thrives in the current threat environment
Phorpiex, an enduring botnet known for extortion campaigns and for using old-fashioned worms that spread via removable USB drives and instant messaging apps, began diversifying its infrastructure in recent years to become more resilient and to deliver more dangerous payloads. Today, the Phorphiex...
What tracking an attacker email infrastructure tells us about persistent cybercriminal operations
From March to December 2020, we tracked segments of a dynamically generated email infrastructure that attackers used to send more than a million emails per month, distributing at least seven distinct malware families in dozens of campaigns using a variety of phishing lures and tactics. These...
What tracking an attacker email infrastructure tells us about persistent cybercriminal operations
From March to December 2020, we tracked segments of a dynamically generated email infrastructure that attackers used to send more than a million emails per month, distributing at least seven distinct malware families in dozens of campaigns using a variety of phishing lures and tactics. These...
uriDeep - Unicode Encoding Attacks With Machine Learning
Unicode encoding attacks with machine learning. Tool based on machine learning to create amazing fake domains using confusables. Some domains can deceive IDN policies Chrome & Firefox. I created the best big dictionary of confusables using neural networks. It is used in the tool and it can be...
QSnatch Data-Stealing Malware Infected Over 62,000 QNAP NAS Devices
Cybersecurity agencies in the US and UK yesterday issued a joint advisory about a massive ongoing malware threat infecting Taiwanese company QNAP's network-attached storage NAS appliances. Called QSnatch or Derek, the data-stealing malware is said to have compromised 62,000 devices since reports...
Necurs Botnet in Crosshairs of Global Takedown Offensive
A New York State court issued an order this week giving Microsoft control of the U.S.-based infrastructure used by the notorious Necurs botnet in an effort to stop the world’s most prolific and globally dispersed spam and malware infrastructure. The move came after Microsoft and partners across 3...
Necurs Botnet in Crosshairs of Global Takedown Offensive
A New York State court issued an order this week giving Microsoft control of the U.S.-based infrastructure used by the notorious Necurs botnet in an effort to stop the world’s most prolific and globally dispersed spam and malware infrastructure. The move came after Microsoft and partners across 3...
Microsoft Hijacks Necurs Botnet that Infected 9 Million PCs Worldwide
Microsoft today announced that it has successfully disrupted the botnet network of the Necurs malware, which has infected more than 9 million computers globally, and also hijacked the majority of its infrastructure. The latest botnet takedown was the result of a coordinated operation involving...
Microsoft Hijacks Necurs Botnet that Infected 9 Million PCs Worldwide
Microsoft today announced that it has successfully disrupted the botnet network of the Necurs malware, which has infected more than 9 million computers globally, and also hijacked the majority of its infrastructure. The latest botnet takedown was the result of a coordinated operation involving...
Pykspa v2 DGA updated to become selective
Additional research and information provided by Asaf Nadler Recent changes to the Pykspa v2 domain generation algorithm DGA have made it more selective. Akamai researchers have tracked these changes and believe that part of the reason for selective domain generation...
ARE YOU LEAVING YOUR SECURITY BACKDOOR OPEN?
Gartner predicts that enterprises will spend $96 Billion on cyber security this year, up 8% from their spend in 2017. That's a big chunk of change. To put it into context, that spend is in the same ballpark as the individual GDPs of Venezuela, Sri Lanka and Puerto Rico in 2018. Despite this,...
Ad Network Circumvents Ad-Blocking Tools To Run In-Browser Cryptojacker Scripts
Cryptojackers are getting resourceful and have figured out how to bypass ad-blocking software and deliver the Coinhive JavaScript miner via browser-based ads. Researchers at Qihoo’s Netlab 360 said it recently spotted an advertising network that was using what is called a domain generation...
A Death Match of Domain Generation Algorithms
By Hongliang Liu and Yuriy Yuzifovich Originally posted on December 29, 2017 Today's post is all about DGA's Domain Generation Algorithms: what they are, why they came into existence, what are some use cases where they are used, and, most importantly - how to detect and block them. As we will...
DGA-Detection - DGA Domain Detection using Bigram Frequency Analysis
More and more malware is being created with advanced blocking circumvention techniques. One of the most prevalent techniques being used is the use of Domain Generation Algorithms which periodically generates a set of Domains to contact a C&C server. The majority of these DGA domains generate rand...