Quasar RAT – Windows Remote Administration Tool – 10 minute mail

Quasar is a fast and light-weight Windows remote administration tool coded in C#. The usage ranges from user support through day-to-day administrative work to employee monitoring.

Quasar RAT - Windows Remote Administration Tool

It aims to provide high stability and an easy-to-use user interface and is a free, open source tool.

Features of Quasar RAT Windows Remote Administration Tool

The main features that can be found in Quasar are:

  • TCP network stream (IPv4 & IPv6 support)
  • Fast network serialization (Protocol Buffers)
  • Compressed (QuickLZ) & Encrypted (TLS) communication
  • UPnP Support
  • Task Manager
  • File Manager
  • Startup Manager
  • Remote Desktop
  • Remote Shell
  • Remote Execution
  • System Information
  • Registry Editor
  • System Power Commands (Restart, Shutdown, Standby)
  • Keylogger (Unicode Support)
  • Reverse Proxy (SOCKS5)
  • Password Recovery (Common Browsers and FTP Clients)

Using Quasar Windows Remote Administration Tool

1. Download Quasar

Usually most users want the stable version of Quasar, which can be found on the releases page. Bleeding edge versions with latest features, improvements and bug-fixes can are located at the CI server. These builds should be used with caution as they may contain critical bugs.

2. Building a Client

After starting Quasar.exe for the first time, you will need to build a client for deployment. Use the button Builder at the top of the Quasar application to start the client configuration. After configuring the client for your needs, click the Build button and choose a location to save the built client.

3. Connecting the Server and Client

The standalone client from the previous step has to be deployed on the computers of the users. Simply executing the client on the computers is enough. The client will take care of the installation, startup, etc… Once installed the client will try to connect to your Server on the specified host-name and port. It might be necessary to set up port forwarding to your local Server if it is behind a firewall in your network. You can use automatic forwarding with UPnP in the settings if it’s being supported by your firewall/router.

You can download Quasar here:

Quasar.v1.3.0.0.zip

Or read more here.


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Attention! Malvertising Campaigns Using Exploit Kits On The Rise – Disposable mail news

Of all the things that online advertising could be used for, spreading malware is the one that throws you off the list by surpassing them all.

Not of late, researchers found out a recent ‘Malvertising’ campaign and sources say that it was done by way of the “Domen Social Engineering Toolkit”.
‘Malvertising’ (malicious advertising) could be defined as using online advertising means for spreading malware. Most typically it is done by inserting malware or malicious advertisements into legitimate advertising web pages or networks.

Per informed sources, this campaign was uncovered while trying to influence a VPN service as bait. It displayed a group of domains that gave Domen’s attack mechanism a fresh bend.

The construction of the campaign, as mentioned in reports, was such that ‘search-one[.]info’ was comprised in it as the ‘fake’ page, ‘mix-world[.]best’ as the download site and ‘panel-admin[.]best as the backend panel.

As revealed in reports, the campaign managed to redirect the users and bare them to ‘Smoke Loader’. This is conceivably a downloader that installs secondary payloads. And that’s what it did. They consisted of a ‘Vidar stealer’, ‘Buran ransomware’ and ‘IntelRapid cryptominer’.

Need not to mention, this campaign isn’t the first one to surface which was focused on payloads. Women’s malvertising per source had commenced in September last year. The social engineering toolkit was employed to exploit the website and fool users into clicking on a fake ‘Adobe Flash Player’ update. The clicking would start a download of “download.hta”. Afterward, by way of employing PowerShell to connect to “xyxyxyxyxy[.]xyz”, only to download the ‘NetSupport Remote Access Trojan’ (RAT), later.

With amplification in the usage of the internet and online means, it becomes a top priority to build up a structured and strong defense mechanism to fight and prevent Malvertising.

Hiring security professionals is a safe pre-requisite and a building block towards creating the defense structure. Keeping abreast of the latest updates and patches must be a primary priority.

Word has it that in most cases the ‘exploit kits’ are employed to disseminate the malware payloads. Hence the organizations should have a clear account of all its obstruction points so that Malvertising campaign’s attack payloads could be detected and dealt with in time.


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