Google Firebase Hosting Abused To Deliver Sorillus RAT

skywatcg-alert-2

  • ransom-4

    TLP-GREEN


Adversaries were found abusing Googles Firebase Hosting service to deliver the legitimate Sorillus remote administration tool.

The initial infection vector consisted of phishing emails with malicious attachments.

The attachments contained an HTML file which used the HTML Smuggling technique to infect devices with Sorillus.

The remote tool can steal video keystrokes system information and credentials from web browsers.

SkyWatchSM Alert Legend

  • small-bell

    Warning

  • active-threat0-lt-green

    Active Threat

  • malware-lt-green

    Malware

  • ransome-lt-green

    Ransomware

  • warning-green

    Phishing

  • file-green

    Network/IOT

Glesec Information Sharing Protocol

GLESEC CYBER SECURITY INCIDENT REPORTS are in compliance with the U.S. Department of Homeland Security (DHS) Traffic-Light Protocol (TLP).

  • TLP-White

    Disclosure is Not Limited.

  • TLP-Green

    Limited Disclosure, Restricted Only to the Community.

  • TLP-Amber

    Limited Disclosure, restricted to the Participant's Organization.

  • TLP-Red

    Not for Disclosure, Restricted/ Classified - Only Shared with US DHS.

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