This report is provided “as is” for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained herein. The DHS does not endorse any commercial product or service referenced in this bulletin or otherwise.…
Tag: PASSWORD
What is RedLine Stealer?
Read More RedLine Stealer or RedLine is malware that can collect users’ confidential information and deliver other malicious programs. The availability and flexibility of the stealer cause financial loss, data leakage, targeting both enterprise and personal devices. Healthcare and manufacturing sectors suffer the most from these attacks.…
Reptile is an open-source kernel module rootkit that targets Linux systems and is publicly available on GitHub. [1] Rootkits are malware that possess the capability to conceal themselves or other malware. They primarily target files, processes, and network communications for their concealment. Reptile’s concealment capabilities include not only its own kernel module but also files, directories, file contents, processes, and network traffic.…
Microsoft Threat Intelligence has identified highly targeted social engineering attacks using credential theft phishing lures sent as Microsoft Teams chats by the threat actor that Microsoft tracks as Midnight Blizzard (previously tracked as NOBELIUM). This latest attack, combined with past activity, further demonstrates Midnight Blizzard’s ongoing execution of their objectives using both new and common techniques.…
Intro
Read More Since Redis is becoming increasingly popular around the world, we decided to investigate attacks on the Redis instance. We didn’t have to wait long for the first results of the Honeypot. The trap caught an activity about which the Western world does not hear too often while analyzing SkidMap.…
There has been quite a discussion regarding Google’s recent introduction of .zip, .mov, .phd (and other variations) as top-level domains (TLDs). The opinions in the cybersecurity community can be distilled into two camps. A fair number of experts assume that this move from Google will likely cause even more confusion for non-tech savvy users navigating the internet.…
By Securonix Threat Research: Den Iuzvyk, Tim Peck, Oleg Kolesnikov
Jul 28, 2023, updated August 1, 2023
tldr:An interesting new ongoing attack campaign which lures its victims using US military related documents to run malware staged from legitimate compromised Korean websites has been identified by Securonix Threat Research.…
During a recent proactive hunt for malicious mobile malware, Sophos X-Ops researchers from SophosLabs discovered a group of four credential-harvesting apps targeting customers of several Iranian banks. Most of the apps are signed using the same – possibly stolen – certificate, and share various classes and strings.…
Authored by: Vallabh Chole and Yerko Grbic
On July 23rd, 2023, Elon Musk announced that the social networking site, Twitter was rebranding as “X”. The news propelled Twitter and X to gain headlines and become the top trending topics on popular social media platforms.
Scammers pounced on this opportunity and started renaming various hacked YouTube and other social media accounts to “twitter-x” and “twitter fund” to promote scam links with new X branding. …
Introduction
Read More At the end of 2019, the team at the Positive Technologies Expert Security Center (PT ESC) discovered a new cybercrime group, which they dubbed Space Pirates. It had been active since at least 2017. The first-ever comprehensive research paper describing the group saw light in early 2022. The Space Pirates group have since stepped up attacks on Russian companies: we have come across the group frequently while investigating cyberattacks in the past year.…
A recent Java Developer Productivity Report showed that almost 50% of developers are using Apache Tomcat, indicating its widespread usage in the cloud, big data and website development. We will begin by presenting statistics and examples from recent attacks. Afterward, we will delve into a detailed analysis of a single attack directed at one of our Apache Tomcat honeypots.…
In cloud environments, cryptojacking – a type of cyberattack that uses computing power to mine cryptocurrency – takes the form of cloud compute resource abuse, which involves a threat actor compromising legitimate tenants. Cloud compute resource abuse could result in financial loss to targeted organizations due to the compute fees that can be incurred from the abuse.…
The Amadey Trojan Stealer, an active and prominent malware, first emerged on the cybersecurity landscape in 2018 and has maintained a persistent botnet infrastructure ever since. Several campaigns have used this malware, like the previous Splunk Threat Research blog related to RedLine loader, the multi-stage attack distribution article from McAfee in May 2023 and the campaign where it uses N-day vulnerabilities to deliver Amadey malware noted in March 2023 by DarkTrace.…
In 2022 we investigated a series of attacks against industrial organizations in Eastern Europe. In the campaigns, the attackers aimed to establish a permanent channel for data exfiltration, including data stored on air-gapped systems.
Based on similarities found between these campaigns and previously researched campaigns (e.g., ExCone, DexCone),…
What are WyrmSpy and DragonEgg surveillanceware?
Read More WyrmSpy and DragonEgg are two advanced Android surveillanceware that Lookout attributes to high-profile Chinese threat group APT41, also known as Double Dragon, BARIUM, and Winnti.
While APT41 is mostly known for exploiting web-facing applications and infiltrating traditional endpoint devices, these malware are rare reported instances of the group exploiting mobile platforms.…
Published On : 2023-07-06
EXECUTIVE SUMMARYThe CYFIRMA research team has identified an infostealer builder known as ‘Blank Grabber’ while monitoring threat actor discussions. It was released in 2022, however since then, it has been frequently updated – with 85 contributions to the project in the last one month alone.…
Executive Summary
Read More Lumen Black Lotus Labs® identified another multi-year campaign involving compromised routers across the globe. This is a complex operation that infects small-office/home-office (SOHO) routers, deploying a Linux-based Remote Access Trojan (RAT) we’ve dubbed “AVrecon.” Apart from a single reference to AVrecon in May 2021, the malware has been operating undetected for more than two years.…
If you’ve ever owned a domain name, the chances are good that at some point you’ve received a snail mail letter which appears to be a bill for a domain or website-related services. In reality, these misleading missives try to trick people into paying for useless services they never ordered, don’t need, and probably will never receive.…
Last updated at Thu, 10 Aug 2023 21:06:28 GMT
Rapid7 is tracking a new, more sophisticated and staged campaign using the Blackmoon trojan, which appears to have originated in November 2022. The campaign is actively targeting various businesses primarily in the USA and Canada. However, it is not used to steal credentials, instead, it implements different evasion and persistence techniques to drop several unwanted programs and stay in victims’ environment for as long as possible.…