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Found 5 results

  1. After you update, set it up again from scratch If you've skipped recent Windows 10 Creators Updates, here's a reason to change your mind: its facial recognition security feature, Hello, can be spoofed with a photograph. The vulnerability was announced by German pentest outfit Syss at Full Disclosure. Even if you've installed the fixed versions that shipped in October – builds 1703 or 1709 – facial recognition has to be set up from scratch to make it resistant to the attack. The “simple spoofing attacks” described in the post are all variations on using a “modified printed photo of an authorised user” (a frontal photo, naturally) so an attacker can log into a locked Windows 10 system. On vulnerable versions, both the default config, and Windows Hello with its “enhanced anti-spoofing” feature enabled, Syss claimed. “If 'enhanced anti-spoofing' is enabled, depending on the targeted Windows 10 version, a slightly different modified photo with other attributes has to be used, but the additional effort for an attacker is negligible.” The researchers tested their attack against a Dell Latitude running Windows 10 Pro, build 1703; and a Microsoft Surface Pro running 4 build 1607. They tried to change the Surface Pro's config to “enhanced anti-spoofing”, but claimed its “LilBit USB IR camera only supported the default configuration and could not be used with the more secure face recognition settings.” The researchers published three proof-of-concept videos, below. ® Via theregister.co.uk
  2. 'Bashware' is a clever new type of malware that major antivirus programs can't detect. Microsoft surprised the technology world last year when it announced that users will be able to run native Linux applications in Windows 10 without virtualization. While this feature is meant to help developers, researchers believe it could be abused by attackers to hide malware from security products. Researchers from security firm Check Point Software Technologies developed a technique that uses Bash, the Linux command-line interface—or shell—that's now available in Windows, to make known malware undetectable. They named the result Bashware. The Windows 10 feature, called the Windows Subsystem for Linux (WSL), tricks Linux applications into believing they're communicating with the Linux kernel—the core part of the operating system that includes hardware drivers and essential services. In reality, those applications communicate with the WSL, which translates their system calls into equivalents for the Windows kernel. WSL was first announced in March 2016 and was added as a beta feature in the Windows 10 Anniversary Update, which was released in August 2016. Microsoft announced that it will become a fully supported feature in the upcoming Fall Creators Update. "WSL seems to be well designed. What allows Bashware to operate the way it does is the lack of awareness by various security vendors" WSL makes it easier for developers who need to write and test code both in Windows and Linux to do so without the overhead of a virtual machine. Many developers, whether they prefer Windows as their primary desktop OS or just need it for Visual Studio and other development tools, also like the simplicity of the Linux command line utilities for interacting with different programming language interpreters and component repositories. As it stands now, WSL is not turned on by default and users need to enable "development mode" on their systems in order to use it. However, Check Point claims that its Bashware attack automates the steps needed to silently enable WSL, download the Ubuntu-based userspace environment that comes with it, and then run malware inside. Linux programs executed through WSL will appear in Windows as "pico processes," a new type of process that is structurally different than those spawned by regular Windows applications. During their tests, the Check Point researchers found no security products that monitor pico processes, even though Microsoft provides a special application programming interface called the Pico API that can be used to do this. This apparent lack of interest by security vendors towards WSL might be the result of a widespread belief that users need to enable the feature manually and most of them won't do it because they don't have a need for it. However, according to Bashware's creators, "it's a little-known fact" that entering the developer mode can be achieved by modifying a few registry keys and this can be done silently in the background by an attacker who has the right privileges. A system reboot is indeed required under normal circumstances to enable WSL, but attackers could simply wait for victims to turn off their computers or could trigger a critical error to force a reboot, the Check Point researchers told me in an email. There might also be a way to load the WSL drivers manually without restarting the computer, but this method is still being investigated, they said. "We see it as both vital and urgent for security vendors to support this new technology in order to prevent threats such as the ones demonstrated by Bashware" What's interesting about Bashware is that attackers don't have to write malware programs for Linux in order to run them through WSL on Windows. Thanks to a program called Wine, they can use the technique to directly hide known Windows malware. In some ways, Wine is the equivalent of WSL on Linux, as it allows Linux users to run Windows programs on their systems without virtualization. The Bashware attack installs Wine inside the downloaded Ubuntu userspace environment and then launches Windows malware through it. Thanks to WSL, those malicious programs will be spawned back into Windows as pico processes, hiding them from security software. Check Point's Gal Elbaz and Dvir Atias are not the first security researchers to warn that attackers could abuse WSL to run malware. Reputed Windows internals expert Alex Ionescu called attention to the same risks in 2016 in talks at Black Hat USA and Microsoft's BlueHat conference. Ionescu, who is the vice president of endpoint detection and response strategy at security firm CrowdStrike, maintains a GitHub repository with his research on WSL. To some extent Bashware builds on Ionescu's prior findings, but the technique is adapted to the current state of WSL. It shows that one year later many security vendors are still not prepared to deal with this new technology. The good news is that in order to use Bashware, attackers need to already have administrator privileges on their victims' computers. This means they need to first compromise those systems using more traditional methods: phishing emails with malicious attachments, documents rigged with exploits for unpatched vulnerabilities, social engineering tricks, stolen administrative credentials and so on. Gaining admin rights on Windows computers is not necessarily a hard thing to do, and attackers do it all the time. However, these extra steps give security products a chance to detect and break attack chains before Bashware can be used to hide malicious payloads. The Check Point researchers declined to name the security products whose detection mechanisms they managed to bypass, noting that their goal is for this research to serve as a wakeup call for the entire security industry. WSL is not a common attack vector and if attackers were to use it as a source of attacks, they would first need to download malware onto the targeted computer, said Adam Bromwich, senior vice president of security technology and response at Symantec. "Based on this WSL architecture, Symantec's scanners, machine learning and protection technologies are designed to scan and detect malware created using WSL." Kaspersky Lab told me in an email it plans to modify its antivirus software to detect this type of malware in the future. Currently, all of the company's products can detect malware downloaders and other Windows-based parts of such attacks, Kaspersky Lab said. Antivirus firm Bitdefender did not immediately respond to a request for comment. We will update this post if we hear back. Update: This post has been updated with comment from Kaspersky, and has been updated to include more context about previous research in this area. Via vice.com
  3. Windows and Linux in the same line? Yes, you heard that right... and that too, on the same computer and within the same operating system. Two months ago, Microsoft announced its plans to let its users install three different flavours of the Linux operating system – Ubuntu, Fedora, and SUSE – directly through their Windows Store, allowing them to run Windows and Linux apps side-by-side. Now, downloading an entire operating system has just become as easy as downloading an application with the availability of popular Linux distro 'Ubuntu' in the Windows App Store. However, unlike a conventional Ubuntu installation, this Ubuntu version runs in a sandboxed alongside Windows 10 with limited interaction with the operating system and is focused on running regular command-line utilities like bash or SSH as a standalone installation through an Ubuntu Terminal. For now, Ubuntu is currently only available to Windows 10 Insiders users and would be made available to the public with the upcoming Windows 10 Fall Creator Update, which is expected to release in September/October 2017. Here's How to Install and Run Ubuntu on Windows 10 Users registered in Windows 10 Insiders Program with at least "Build 16215" installed can directly install Ubuntu from the Windows Store, which will allow them to "use Ubuntu Terminal and run Ubuntu command line utilities including bash, ssh, git, apt and many more." After installing Ubuntu, Windows 10 users will require enabling "Windows Subsystem for Linux" that was previously added to Windows 10. To enable it, follow these simple steps: Navigate to Control Panel and go to "Apps and features" settings. Select "Programs and Features" from the right panel. Open the "Turn Windows features on or off" from the left menu. Select the "Windows Subsystem for Linux" and save it. Reboot Your system. While the company has not revealed exactly when its users can expect to see the other two Linux distro, Fedora and SUSE Linux, to the Windows Store, this step by Microsoft follows its commitment to the open source community. In 2013, the Microsoft launched Visual Studio, and a year later, the company open-sourced .NET. In 2015, the tech giant open sourced the Visual Studio Code Editor, as well. Last year, Microsoft took many steps to show its love for Linux, which includes bringing of Ubuntu on Windows 10, working with FreeBSD to develop a Virtual Machine image for its Azure cloud, choosing Ubuntu as the OS for its Cloud-based Big Data services, and even joining the Linux Foundation as a Platinum member – the highest level of membership. Have you tried out Ubuntu on Windows 10? If yes, let us know your experience in the comments below. Via thehackernews.com
  4. https://www.safer-networking.org/spybot-anti-beacon/ Pe lânga celelalte programe de pe torente care sunt pline de adware aceste este util si curat !
  5. Am si eu o problema foarte dubioasa: din cand in cand (2-3-4-5ore nu imi pot da seama exact) ecranul mi se face negru pentru o secunda si apoi revine ca si cum nimic nu s-ar fi intampliat, indiferent daca sunt in jocuri, aplicatii sau pur si simplu pe desktop. "Am indesat" placa video pe placa de baza, am scos si bagat cablul dintre mointor si placa video si am reinstalat pana si windows-ul ca sa elimin orice dubiu si nu imi pot da seama care este problema. Ceea ce ma mira si mai tare este ca am mai auzit de la alte persoane tot cu Windows 10 ca ar avea aceeasi problema. A mai intalnit cineva problema asta sau are vreo banuiala?
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