Quasar Remote Access Trojan is a.NET framework open-source remote access trojan family used in cyber-criminal and cyber-espionage campaigns to target Windows operating system devices. It is often delivered via malicious attachments in phishing and spear-phishing emails.
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.
Does quasar work on Windows 10?
While functions of Quasar are quite typical for a Remote Administration Tool, there is one trait that makes it a more attractive choice for cybercriminals rather than other RATs – it works on Windows 10. Many other tools of this kind do not support the latest version of Windows, limiting the number of machines that can be infected with malware.
What are PlugX and Quasar rat loaders?
The two variants are PlugX and Quasar RAT. These loader variants drop malicious files such as Jjs.exe, jli.dll, Msvcrt100.dll, and svchost.bin to distribute additional payloads.
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.
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 Quasarrat?
Quasar RAT is a . NET framework open-source remote access trojan family used in cyber-criminal and cyber-espionage campaigns to target Windows operating system devices. It is often delivered via malicious attachments in phishing and spear-phishing emails. Some of its features include: TCP network stream.
Who created Quasar RAT?
GitHub user MaxXorQuasar 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 RAT remote administration tool?
A remote administration tool (RAT) is a software program that gives you the ability to control another device remotely. You then have access to the device's system as if you had physical access to the device itself.
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 orcus RAT?
Orcus RAT is a remote access trojan discovered by Cisco Talos researchers using both this RAT and Revenge RAT as malware distribution campaigns targeting organizations including government entities, financial services organizations, information technology service providers and consultancies.
What can NanoCore do?
NanoCore can provide the threat actor with information such as computer name and OS of the affected system. It also opens a backdoor that allows the threat actors to access the webcam and microphone, view the desktop, create internet message windows and offers other options.
What is Quasar?
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.
How did Quasar infiltrate my computer?
Research shows that cyber criminals proliferate Quasar through spam campaigns and various downloaders (or other dubious download channels). Cyber criminals who use spam campaigns send emails that contain attached files and hope that recipients open them. If opened, the malicious attachments install unwanted, malicious software.
What can a cyber criminal do with a quasar?
Using Quasar, cyber criminals can access Task Manager and start/end processes, and add programs that run automatically on system startup. Note, the added programs are often malicious. Furthermore, Quasar can be used to download and execute various files.
What does "Quasar" mean?
I.e., to steal personal information that could be used to generate revenue. If you suspect that Quasar is installed on the operating system (unintentionally), remove it immediately.
Can Quasar be uninstalled?
In summary, Quasar has many functions and, if employed for malicious purposes, can lead to serious issues. Therefore, uninstall this software immediately. Note that this applies only to users who were tricked into installing the program by cyber criminals.
Can Quasar steal your account?
This feature can also steal various important accounts. With access to Registry Editor, cyber criminals who use Quasar can change system and application settings. Note, registry errors can cause a number of problems, including irreversible damage to the operating system.
Can Quasar be used as a keylogger?
Cyber criminals can thus infect computers with high-risk malware such as ransomware, trojans or other malicious software. Quasar can operate as a keylogger, since it is capable of recording key presses.
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
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.
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 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.