- Quasar Remote Access Trojan uses two methods to achieve persistence such as scheduled tasks and registry keys.
- Its capabilities include capturing screenshots, recording webcam, reversing proxy, editing registry, spying on the...
Full Answer
Is Quasar remote access tool legit?
Remote access tools can be either legitimate or malicious, depending on their usage. Quasar was licensed under the MIT License, which means that it can be used for personal and commercial use, as well as code modification. Employers can use the RAT for day-to-day administrative tasks in a workplace, and even help to spy on employees if so desired.
What is Quasar trojan malware?
Quasar trojan is a powerful open-source malware equipped with a robust persistence mechanism and a complete feature set of malicious capabilities. Being available to anybody with programming knowledge, Quasar became a widely used RAT which was even featured in an attack targeted at the American government.
What is the quasar tool?
The Quasar tool allows users to remotely control other computers over a network. Software programs of this type are known as remote access tools (RATs). There both are legitimate and illegal RATs. Quasar is a legitimate tool, however, cyber criminals often use these tools for malicious purposes.
What is a remote access trojan (RAT)?
A common way of expanding this beachhead on the target machine is through Remote Access Trojans (RATs). This type of malware is designed to allow a hacker to remotely control a target machine, providing a level of access similar to that a remote system administrator.
Is Quasar RAT open-source?
Description. Quasar is a publically available, open-source RAT for Microsoft Windows operating systems (OSs) written in the C# programming language.
What is Quasar malware?
Quasar is a remote access trojan is used by attackers to take remote control of infected machines. It is written using the . NET programming language and is available to a wide public as an open-source project for Microsoft Windows operating systems, making it a popular RAT featured in many attacks.
What is Quasar tool?
Quasar is a fast and light-weight remote administration tool coded in C#. The usage ranges from user support through day-to-day administrative work to employee monitoring. Providing high stability and an easy-to-use user interface, Quasar is the perfect remote administration solution for you.
Who made quasar RAT?
Quasar was developed by GitHub user MaxXor to be used for legitimate purposes. However, the RAT has been used by bad actors in cyber-espionage campaigns. Quasar RAT was first released in July 2014 as “xRAT 2.0.” and was later renamed as “Quasar” in August 2015.
What is async RAT?
AsyncRAT is a Remote Access Tool (RAT) designed to remotely monitor and control other computers through a secure encrypted connection.
What is Nanocore RAT?
Nanocore RAT Propose Change Nanocore is a Remote Access Tool used to steal credentials and to spy on cameras. It as been used for a while by numerous criminal actors as well as by nation state threat actors.
Should I use quasar?
Quasar gained unprecedented popularity as a Javascript framework not just because of its awesome features, it is also preferred by developers of small budget apps that require less coding, easier app development and less dependence on third-party tools.
What does a quasar do?
"Quasars are capable of emitting hundreds or even thousands of times the entire energy output of our galaxy, making them some of the most luminous and energetic objects in the entire universe," according to NASA.
What does quasar stand for?
Quasi Stellar radio sourcesDefinition: Quasi Stellar radio sources, abbreviated QUASARS, are the most dynamic and far-off objects in a collective known as active galactic nuclei (AGN). These radiant sources were formed approximately twelve billion years ago.
Is DarkComet a virus?
DarkComet is a widely known piece of malware. If a user installs an antivirus, or a darkcomet remover, they can un-infect their computer quickly. Its target machines are typically anything from Windows XP, all the way up to Windows 10.
What is quasar NASA?
Credits: NASA, ESA, and J. Olmsted (STScI) A quasar is a brilliant beacon of intense light from the center of a distant galaxy that can outshine the entire galaxy. It is powered by a supermassive black hole voraciously feeding on inflating matter, unleashing a torrent of radiation.
How good is quasar framework?
It has a responsive UI framework with lots of prebuilt components out of the box. Quasar is designed with performance and responsiveness in mind. It has the best support for desktop and mobile browsers (including iOS Safari) out of the box.
How do you run a quasar?
How Quasar CLI worksYou can write npm scripts (in your package. json ) to run Quasar commands. ... Alternatively, you can directly run the Quasar CLI commands through Yarn: $ yarn quasar dev $ yarn quasar inspect # ..etc.Or use npx : $ npx quasar dev $ yarn quasar inspect # ..etc.
Can a quasar destroy Earth?
The illumination from a quasar, along with all the radiation it throws off, would mess with Earth's atmosphere. The light is enough to energize particles that make up the atmosphere and frees them from Earth's gravity. And we really need our gravity. Without it, Our atmosphere would be destroyed.
How to protect your computer from Quasar?
In order to protect your computer from Quasar and other ransomwares, use a reputable anti-spyware, such as Reimage
What is Quasar malware?
. Quasar is a type of malware that allows hackers to perform several actions on the infection users' machines, including installing other malicious software and stealing sensitive information.
What is a Quasar virus?
Quasar virus is a Remote Access Trojan that allows the attackers to control remote computers for information stealing, malware proliferation, spam delivery, and other malicious tasks . Malware can greatly alter the way Windows operates, although this damage can be reversed with the help of repair software
Why do APT groups modify the source code of the Quasar RAT?
Multiple APT groups modify the source code of the Quasar RAT in order to remain undetected on the host machine, as well as the infected network. Therefore, users might not even know that the malware is operating in the background, stealing sensitive information, installing other malicious software, and performing other actions without permission. Due to this, users might not even be aware that they need to remove Quasar virus in the first place.
Why is Quasar removal important?
This is why Quasar removal is crucial for privacy and sensitive information compromise. To remove Quasar, a reputable anti-malware software should be employed. It is also important to disconnect the infected machine from the network and then perform a full system scan.
Is Quasar RAT malware?
Quasar RAT is possibly one of the most dangerous malware types to be affected by, as it allows the attackers to perform a variety of actions remotely. Technically, it simply grants hackers a takeover of the machine, all while being almost invisible to users or organizations.
Is Quasar a malicious program?
Quasar is not malicious by design, but rather by purpose itself – it happens with most Remote Access Tools. The application was first released in July 2014 by a user MaxXor for Windows operating system and was initially known as xRAT. [1] Its code was placed on the Github platform, allowing everybody to use it for free – such tools are called “open-source.” Quasar RAT has multiple legitimate purposes (such as assisting employees with tasks remotely), although malicious actors employ it as malware as well.
What is a quasar?
Quasar is billed as a lightweight remote administration tool that runs on Windows. However, it also has a variety of functionalities designed for “employee monitoring” (i.e., useful for hackers as well). This includes keylogging, ability to open remote shells and downloading executing files.
Why are remote access Trojans important?
Remote Access Trojans fulfill an important function for hackers. Most attack vectors, like phishing, are ideal for delivering a payload to a machine but don’t provide the hacker with the ability to explore and interact with the target environment. RATs are designed to create a foothold on the target machine that provides the hacker with the necessary level of control over their target machine.
What is the next step in a phishing attack?
Once a hacker has gained initial access to a target machine, expanding and solidifying that foothold is the next logical step. In the case of a phishing attack, this involves using malware to take advantage of the access provided by the email.
What is ICS malware?
Malware targeting industrial control systems (ICS) is nothing new, with big names like Stuxnet and Industroyer designed to cause physical damage. However, some ICS-focused malware is targeted at controlling critical infrastructure.
Do remote access Trojans exist?
Many different Remote Access Trojans exist, and some hackers will modify existing ones or develop their own to be better suited to their preferences. Different RATs are also designed for different purposes, especially with RATs geared specifically to each potential target (desktop versus mobile, Windows versus Apple and so on).
Is Androrat still used?
Despite the age of the source code (last update in 2014), AndroRAT continues to be used by hackers. It includes the ability to inject its malicious code into legitimate applications, making it easy for a hacker to release a new malicious app carrying the RAT.
Is Quasar a free RAT?
For those who what a free and open-source RAT (to avoid potential backdoors), Quasar RAT is widely recommended. Quasar is written in C# and is available on GitHub. It was first committed in July 2014 and has received active updates since.
Compiling
Open the project Quasar.sln in Visual Studio 2019+ with installed .NET desktop development features and restore the NuGET packages. Once all packages are installed the project can be compiled as usual by clicking Build at the top or by pressing F6. The resulting executables can be found in the Bin directory.
License
Quasar is distributed under the MIT License. Third-party licenses are located here.
Thank you!
I really appreciate all kinds of feedback and contributions. Thanks for using and supporting Quasar!
How to detect Quasar RAT using ANY.RUN?
ANY.RUN uses Suricata IDS rule sets, so if malware tries to communicate with C&C servers, it will be detected. To look at what threats were detected, just click on the "Threats" section of the "Network" tab.
What is a Quasar email?
Like most other RATs, Quasar is distributed in email spam campaigns that carry the malware’s loader. The loader is embedded in a malicious file attachment which usually carries a name designed to trick the user into thinking that they are receiving some sort of a document. Sometimes these files will have a double extension such as docx.exe. Again, this is done to trick the victim into thinking that the attached file is harmless. Of course, once opened, such files start a command prompt rather than Microsoft Office.
How to avoid infection by Quasar?
If the user has admin rights, the malware uses schtasks to create a scheduled task that launches after a user logs on with the highest run level. If admin rights are lacking, then the scheduled task can only go as far as adding a registry value configured in the client builder and added to the current path as the startup program. The best way to avoid infection is for cybersecurity specialists gt to know various user-agent strings that exist in their network, and identify suspicious user-agent strings.
What is crimson malware?
Crimson is a Remote Access Trojan — a malware that is used to take remote control of infected systems and steal data. This particular RAT is known to be used by a Pakistani founded cybergang that targets Indian military objects to steal sensitive information.
What is Agent Tesla?
agenttesla trojan rat stealer. Agent Tesla is spyware that collects information about the actions of its victims by recording keystrokes and user interactions. It is falsely marketed as a legitimate software on the dedicated website where this malware is sold.
What is Adwind RAT?
Adwind RAT, sometimes also called Unrecom, Sockrat, Frutas, jRat, and JSocket, is a Malware As A Service Remote Access Trojan that attackers can use to collect information from infected machines. It was one of the most popular RATs in the market in 2015. Read More. Agent Tesla.
What is Ave Maria malware?
Ave Maria malware is a Remote Access Trojan that is also called WARZONE RAT. Hackers use it to control the PCs of their victims remotely and steal information from infected PCs. For example, they can remotely activate the camera to take pictures of a victim and send them to a control server.
