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Nasty Cr1ptT0r Ransomware: Threat to NAS
What is Network Attached Storage and why is it targeted?
Network attached storage (NAS) is a devoted file storage that allows more than one user and heterogeneous client devices to recover data from centralized disk capacity. NAS devices are do not have a keyboard or display they are configured and managed with a browser-based utility. NAS devices are typically linked to servers running Linux operating system.
Due to vulnerabilities detected and old firmware in D-Link DNS 320 it is exploited by cybercriminals. The device was exposed to WAN through 8080 ports, FTP port 21 and a range of ports for port forwarding. Not only this in 2023, a hard-coded backdoor was also noticed in this router. This backdoor permitted hacker to gain unauthorized access for victim’s network.
An unpatched device is ripe target for attack
What is Cr1ptT0r?
Cr1ptT0r is an encryption Trojan ransomware that seems to target Network Assigned Storage (NAS) devices.
The malware then saves two plain text files in victims machine, one is the ransom note called “_FILES_ENCRYPTED_README.txt,” that provides information about how victim can reach the ransomware operator to pay ransom, receive decryption key and know what is happening with the system.
Second file is named “_cr1ptt0r_support.txt” and it has the address of a website in the Tor network. If victims fail to understand what they should do they can use this support URL.
Due to its ability to infect embedded systems and the possibility to adapt its code to infect Windows machines Cr1ptT0r is a treacherous threat.
What all devices are targeted by Cr1ptT0r?
The new ransomware strain is targeting several types of D-Link devices that are connected to the Internet in a manner that is not secure and has known vulnerabilities or do not support the latest firmware or is security patched.
Do I need to pay ransom to get my data back?
As of writing, ransomware operator allows victim to unlock one file for free. After which victim who want to get the data need to pay ransom and provide Cr1ptT0r with the type and firmware version of the device. Once the ransom is paid victim receives a script to decrypt files.
Moreover, victim can get decryption from OpenBazaar marketplace, for BTC 0.30672023 (about $ 1,200). If target wants to unlock any specific file, then by paying $19.99 this can be done. In such a case the file needs to be sent to the operator.
Apart from this, Bleeping Computer noticed that the operators also offer decryption key for Synolocker ransomware that made headlines in 2014 for the same price.
Don’t even think for a second that you are secure. A flaw in your device or network security can make you a victim. Therefore, to stay protected from such unforeseen attacks always keep backup of your important data. Plus, run an updated anti malware on your system like Systweak’s Advanced System Protector.
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How to Stay Safe Against PrintNightmare Security Threat?
But before that, let us know what Print Spooler Service is.
In simple words, Print Spooler is a software interface or service that controls the order in which documents will be printed. The service runs in the background and has a negligible impact on user productivity.
However, attackers have been found exploiting the Print Spooler service by authenticated remote code execution with admin privileges. This makes fixing the issue even more important.
Latest Update – Print Nightmare Security Flaw
To address the remote code execution (RCE) vulnerability- known as PrintNightmare (CVE-2023-34527) Microsoft has released out-of-band security updates and the update is labeled as KB5004945. This means before Patch Tuesday Microsoft is releasing an update to address Windows 10 PrintNightmare vulnerability disclosed last week. But some versions are not included in the update.
Which all versions are not included in the update?
Windows 10 version 1607
Windows Server 2023
Windows Server 2012
Updates for these versions are forthcoming. With that said, if you are running any of the above versions and want to stay protected, follow these fixes.
Also Read: What is FileRepMalware? How Can You Get Rid of It?How to Fix PrintNightmare Print Spooler Vulnerability Disable Print Spooler Service
Note: Disabling the Print Spooler service means you will not be able to perform printing tasks both remotely and locally.
Press Windows + X
Running this command will stop the Spooler from starting at boot time.
Now that you have disabled the service from running at startup, you have protected your system from being a victim to PrintNightmare that is exploited via Print Spooler service.How to enable Print Spooler service?
Say you disabled the service, as the patch to fix PrintNightmare wasn’t available, but it is now there, and you want to use the Print Spooler service. Here’s how to enable it.
This will enable the Print Spooler service on your Windows, and you can now print any document both locally or remotely.Disable Print Spooler Using Group Policy Editor
If you are using Windows 10 Pro or Enterprise, you will need to follow these steps to disable Print Spooler.
Note: Below steps won’t work for Windows 10 Home version.
Press Windows + R to launch the Run window.Enable Print Spooler Using Group Policy Editor
If the patch for PrintNightmare is available, and you would like to enable Print Spooler on Windows Enterprise or Pro follow these steps:
Press Windows + R to open the Run window.
This will help enable Print Spooler on your Windows machine.Stay Protected from zero-day vulnerability.
The best way to stay protected against zero-day vulnerability, malware, virus, and other similar threats is to use the best antivirus tool. For this we suggest using Systweak Antivirus, a tool that comes with real-time protection, malware protection, exploit protection, and web protection.
Download Systweak Antivirus
Using it, you can add a layer of protection to your system and can stay protected from threats like PrinNightmare
In addition to this, whenever a patch for any security vulnerability is available, always install and run it. This helps stay protected and fix all the known and unknown security issues.
About the author
Threat modeling is a process that very few developers seem to pursue. However, it is a process that helps you and your entire team to model all potential threats to model all possible risks to your application. This process has become essential for optimizing network security by recognizing objectives, vulnerabilities, and developing measures to prevent the effects of threats towards the system. The threat is something that can be malicious to your organization and data systems. Like for example, incidental occurrences such as the failure of a storage device which can compromise the integrity of the entire organization. Now, let’s read the remaining part of the article to get more insight into this topic.Importance of Threat Modeling:
Threats are one of the most significant factors that compel companies to spend $89.1 billion only on enterprise security solutions.Assessment Scope
In this step, you need to understand the price of what’s at stake. Recognizing tangible assets, like databases of information or sensitive files, is usually straightforward, and realizes the capabilities provided by the application.Identify Possible Attacks/Threats Prioritizing Identified Risks
Once identified, risk management can be prioritized. For every threat, determine potential outcomes and the impact of those to understand how to reduce these issues. Also, look for ways to mitigate any future risks. Although many of the threats might appear to be security-related, and others might have more natural explanations. Threat assessments also include power outages and even a flooded server room. All these factors can lead to severe threats to your enterprise.What’s the Best Time to Model the Threat?
The most suitable time to model the threat is at the beginning of a project. However, it’s better to conduct a threat modeling project halfway by a project or even at the end than not at all. To model, the threat at the end of a project can be beneficial, like understanding the architecture and how data flows through it. But, threat modeling at the end of a project can lead to finding more work which might require to fix poor design decisions that were not caught at the beginning. Those entering into threat modeling, remember to conduct the first session on your existing project, letting you experiment with a threat modeling session so that you can familiarize yourself with everything required. By doing so, you will better analyze all assets and the flow of data to assess the risks. Once the process is hit out, you’ll have a better chance of getting successful in your new project of threat modeling. Moreover, you will also be prepared for threats that might exist in the design phase of the project. From here, you might begin to take into account threats during the initial design of a brand new feature.How to Approach the Threat Model?
Then you need to understand who the users are within the administrators, regular system users, outsourced contractors and perhaps potential hackers with apps or other tools looking for vulnerabilities within your network. There are other actors, too, which includes disgruntled former employees. Defining the user’s actors is vital as missing a group can indicate that you might be missing an entire category of threats. Also, consider theThe Flow of Data and Information:
At this point of threat modeling, track each of the different data flow running through the system. For each of them, you need to know where the data goes. What does it interact with along the way? Later look to identify where data can leak or where it might get exposed. More data components mean more opportunities for a hacker to gain access to the information. While individual data means that the information flows differently based on the architecture and the specific situation. One example might include a request from a user’s browser where the cookie is sent through and interacts with multiple components as it does. Search for opportunities for each data flows for any actors to get hold of valuable information. If something makes you frown, step back through the process and move that threat through until you can mitigate the frowning moment.Threat List Complete:
When the list gets completed, prioritize the list from unlikely to improbable to not likely. No matter what is the probability of the risk, work through the risk as a real possibility. When you have the risk list then manage the threats by the following ways: • Accepting: If the risk is shallow, recognize the potential impact. It is also possible that you will find the potential negative user impact, and you can also reassess it later. • Transferring: Maybe another team is responsible for managing a particular risk. If that team picks up the defense quickly so, outsource it. • Avoiding: Consider the complete structural changes to your data flow to avoid risks. It might also mean that architectural changes are required to kill a particular feature so as not to prevent the danger. • Reducing: Take all possible actions to lower the risk by lessening the impact of the risks. You may need to take multiple steps to reduce the threat. Great efforts are required to mitigate the risks.Final Thoughts:
Don’t stop once the threat modeling is completed. Keep working because of threats and actors’ changes with time. Make a list of all potential issues or risks that must be addressed and incorporate them into your plan. Also, remember that you should be careful with whom you are sharing your threat modeling plan. It is essential because you never know where that information might end up, or who might be a threat to your data and organization.Author
Ransomware Tracker is an online resource that keeps true to its name. It majorly tracks, mitigates and blocks all the identifiable sources of Ransomware that might be interfering with your work online.
Ransomware Tracker serves the following purposes:
Providing an overview of internet infrastructure used by cybercriminals for their Ransomware operations
Providing hosting- and internet service providers (ISPs), law enforcement agencies (LEA) and national CERTs/CSIRTs intel on such infrastructure within their constituency
Offering blocklists for internet users, enterprises and antivirus vendors and security solution providers
Giving internet users and enterprises a brief overview on Ransomware mitigation strategies.Track Ransomware
Ransomware Tracker regularly tracks and shortlists all the IP addresses and domain names that are linked to ransomware attacks in the past, including all Botnet C&C servers, distribution sites and payment sites. By using the data sourced with Ransomware Tracker, ISPs, hosting providers and other concerned legal authorities or internet agencies can easily keep a track on the various sources of attacks, and block them if needed.
These are the various ransomware sources that Ransomware Tracker currently tracks:
FAKBENMitigate Ransomware attacks
Along with tracking and regularly updating the sources, Ransomware Tracker also helps mitigate awareness of the attacks on both users and enterprises, helping them avoid ransomware threats. The golden rule is performing backup frequently and never paying any ransoms. Paying ransoms will create a never-ending loop wherein more and more ransomware hackers can flourish and possible cause unprecedented damage to your data.
Tips for Users
Make sure you have a trusted antivirus on your system. Update it regularly for increased protection.
Updating your major software files – like Adobe Reader and Photoshop – is key to defend from vulnerabilities in the system.
Tips for Enterprises
Block all malicious email attachment with file extensions including .jar, .bat, .exe and more.
Use Enhanced Mitigation Experience Toolkit (EMET), which is a tool that helps you safeguard the unpatched files on your Windows system from any kinds of vulnerabilities before it’s too late.
Use Windows AppLocker that is a software where you can define which applications should be allowed to run on your machines (Application whitelisting).
Read: How to protect against & prevent Ransomware.Block Ransomware
Ransomware Tracker isn’t just about listing down threat sources or informing users about the threats; the tool also provides you effective programs to block these activities. This blocking software allows enterprises to block malicious traffic towards their servers by blocking them directly on the Firewall, web proxy or in the local DNS server.
Read: List of Ransomware Decryptor Tools.
The chart below shows the number of malware samples per Ransomware family processed by Ransomware Tracker in the past 90 days.
Go browse the website. I am sure you will find many things of interest there.What is ransomware tracker?
A ransomware tracker is a tool, which helps you provide detailed information about the latest ransomware-related threats and keeps you safe from them. In this case, Ransomware Tracker is an online tool, which does the same thing as mentioned above. You can find all the available features and options in the article above.What is ransomware and how can you protect yourself?
Ransomware is a kind of attack on data, which encrypts files on your computer. As the attackers ask for money in exchange for the decryption key, the name stands for “ransomware.” There are multiple precautions you can take to protect your data from ransomware, and it starts from not downloading files from suspicious or unreliable resources.
Hope this guide helped.
The research uses data on biodiversity, climate, transportation, and crop yields to draft a color-coded mapping system indicating where new road projects should go to provide the most benefits for food production, while being the least harmful to the environment.
A highway cuts across the Yunnan Province of Southwest China Jianchu Xu & Biaoyun Huai
“In developing countries, post-harvest losses of food are a big problem, and much of this is because of poor infrastructure,” Phalan says. “Imagine what traveling all day under the hot sun in the back of a truck over an unpaved, potholed road can do to a crate of tomatoes or soft fruits. In West Africa, I have seen piles of oranges left to rot in the orchards where they were produced because it was too difficult and costly to get them to market while they were still fresh.”
The scientists focused their study on the Greater Mekong in Southeast Asia, one of the most biologically significant parts of the Earth—and a region that has lost almost a third of its tropical forests since the 1970s.
A new highway snakes through the mountains of the upper Mekong Jianchu Xu & Biaoyun Huai
The area includes Vietnam, Laos, Cambodia, Thailand, Myanmar, and the Yunnan province of China. It has an estimated 20,000 plant species, 2,000 types of land vertebrates and 850 species of freshwater fish, much of which are not found anywhere else in the world. Plus, the region’s massive forests act as “carbon sinks,” absorbing greenhouse gases.
“The approach and tools need to be modified according to local, national and regional priorities, but I think could be applicable to other regions, including the United States,” says Xu. “Most infrastructure in the United States was built decades ago, if not a century ago, so there is an imperative to update road networks.”
A new highway in the Tibetan Plateau Jianchu Xu & Biaoyun Huai
The researchers used computer mapping software to overlay maps showing yield gaps — the difference between current crop yields and what could be produced using improved farming methods.
“The approach taken in our study provides a sort of initial screening of where it might be most environmentally problematic to build new infrastructure,” Phalan says, adding that it would still be necessary for individual projects to undergo an environmental impact statement to find issues not detected in the preliminary look.
“Government planning policy can help,” he says. “For example, in the United States, large areas are designated ‘roadless’ areas, which helps to keep human impacts in such areas low. Finance is another mechanism. Major lenders, such as the International Finance Corporation, are increasingly requiring developers to commit to environmental standards that protect species and habitats.”
The tools highlighted in this study “help pinpoint the projects we should oppose most loudly, while transparently showing the reasons why, and providing alternatives where environmental costs are lower and development benefits are greater,” Xu says. “Conservationists need to be active voices in infrastructure development. I think these approaches have the potential to change the tone of the conversation.”
Marlene Cimons writes for Nexus Media, a syndicated newswire covering climate, energy, policy, art and culture.
How to connect Apple Pencil to iPad
Start to use your Apple Pencil by connecting it to your iPad
In today’s article, we’re going to show you how to connect Apple Pencil to iPad. Users of the Apple iPad have discovered that this convenient mobile gadget offers a world full of potential. You are able to accomplish anything, whether you’re trying to play the top iPad games for entertainment or are concentrating on your business. But if you’ve been inclined towards the creative side and are possibly thinking about acquiring an Apple Pencil, we suggest that you stop thinking and start acting.
If you don’t know how to connect the Apple Pencil to your iPad, we have some easy steps for you to follow. Read on to learn more.
How do I connect Apple Pencil to iPad?
The first thing you’ll have to ask yourself is: do you have a 1st generation or 2nd generation Apple Pencil? Well, there is a key difference between the two which affects how they are connected to your iPad – so we’ve laid out a step-by-step for each generation.
How to connect 1st Generation Apple Pencil to iPad
To connect an Apple Pencil with your iPad, just follow these easy steps.
Remove the cap
Remove your Apple Pencil’s cap.
Plug in to iPad
Tap the pair button
When the Pair button appears on your screen, tap it. The Apple Pencil is ready to use now.
How to connect 2nd Generation Apple Pencil to iPad
The feature-rich 2nd generation Apple Pencil is much simpler to connect to your iPad. For this, we’ll rely on the iPad’s magnetic connector. Here are the steps to connect your 2nd Gen Apple Pencil to your iPad:
Place Apple Pencil on the side of the iPad
With the Apple Pencil in your hand, fasten it to the iPad’s side. It will stick because of the magnetic connector on the board.
A pop-up to connect your iPad to the Apple Pencil overlay will appear. You only need to press Connect to finish pairing your device.
How to connect Apple Pencil to iPad FAQs
What to do if your iPad and Apple Pencil won’t connect?
Here are some troubleshooting techniques to try if you’re all set to begin sketching on your iPad but your Apple Pencil isn’t functioning:
If your Apple Pencil is broken, it won’t function. So carefully check it to make sure it’s in good condition. The tip needs to be changed if it is damaged.
Your Apple Pencil might not pair with your iPad if the app you’re using has bugs. Try quitting the app and then pairing your devices again.
Try restarting your iPad.
How to charge my Apple Pencil?
If you possess a second-generation Apple Pencil, you may easily charge the wireless stylus by placing it on the top edge of your iPad.
If you own an Apple pencil from the first generation, you must take off the end cap and insert it into the iPad’s Lightning connector, leaving the stylus extending from the tablet. However, there are now desktop stands that make it easier to charge a Pencil from the first generation.
How to connect Apple Pencil to iPad : Final word
There you go – exactly how to connect Apple Pencil to iPad in quick and easy steps. Whether you have the 1st generation or 2nd generation of Apple Pencil, there isn’t much difficulty when it comes to connecting it to your iPad. The 2nd-gen version definitely makes it even easier with it’s new method. Don’t ignore our Apple, iPad, and other tablet articles and guides too!
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