OmniRAT :– $25 tool to hack into Windows, OS X and Android devices

$25 OmniRAT is a “Remote Administration Tool” which can hack into Windows, OS X and Android run devices

OmniRAT is a software that lets you hack into computers running on Windows and Mac OS X in addition to hacking Android smartphones and tablets. OmniRAT can can spy on communications, secretly record conversations, snoop on browsing histories and take complete control of a remote device. And its cheap. OmniRAT is available on the dark web underground forums for $25 compared to another notorious malware, DroidJack which is sold for $210.

Security researcher Nikolaos Chrysaidos from anti-virus maker Avast who discovered the OmniRAT and calls it a “Remote Administration Tool”.  In his blog post, Chrysaidos describes how he believes hackers have infected Androids with OmniRAT after sending an SMS. Chrysaidos says that OmniRAT can also be used for legitimate purposes, with the permission and consent of the owners of Android, Mac and Windows computers it tries to control. But in the hands of a cyber criminal it becomes a “Remote Access Trojan” – giving the malicious hackers an opportunity to sneakily spy on and steal from unsuspecting users duped into installing the code.

$25 OmniRAT is a “Remote Administration Tool" which can hack into Windows, OS X and Android run devices

The OmniRAT spreads through phishing which takes the victim to a website laden with the installation file of OmniRAT. A German Android user explained on the Techboard forum on how he was lured into a website with OmniRAT.  He said that had received an SMS telling him that an MMS had not been delivered directly to him due to the StageFright vulnerability. In order to access the MMS, he was told to follow a bit.ly link within three days, and enter a PIN code.

However, as Crysaidos explains, visiting the URL would initiate the attempt to install OmniRAT onto the target’s Android device:

Once you enter your number and code, an APK, mms-einst8923, is downloaded onto the Android device. The mms-einst8923.apk, once installed, loads a message onto the phone saying that the MMS settings have been successfully modified and loads an icon, labeled “MMS Retrieve” onto the phone.

Once the icon is opened by the victim, mms-einst8923.apk extracts OmniRat, which is encoded within the mms-einst8923.apk. In the example described on Techboard-online, a customized version of OmniRat is extracted.

$25 OmniRAT is a “Remote Administration Tool" which can hack into Windows, OS X and Android run devices

The APK than demands the Android user to accept a long list of permissions which should trigger suspicions among tech savvy users.

$25 OmniRAT is a “Remote Administration Tool" which can hack into Windows, OS X and Android run devices

Once installed, the App will send its own SMS message to the victims friends and colleagues listed in the contact list and further spread itself. The OmniRAT cannot be uninstalled once it is installed on the Android smartphones.  Chrysaidos says that even if the victim uninstalls the MMS Retrieve icon, the customised version of OmniRAT remains installed on his/her Android smartphone, and will be sending data to a command and control (C&C) server seemingly based in Russia.

Chrysaidos says that Android users should undertake following steps to protect themselves from OmniRAT.

  • Make sure you have an antivirus solution installed on your smartphone to detect malware, like OmniRat. Avast detects OmniRat as Android:OmniRat-A [Trj].
  • Do not open any links from untrusted sources. If an unknown number or email address sends you a link, do not open the link.
  • Do not download apps from unknown sources to your mobile device. Only download apps from trusted sources such as the Google Play Store or the Apple App Store.

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