Error 524 Decoy: Unmasking a Global Smishing Operation Hiding Behind Error Pages


Group-IB researchers expose a large-scale smishing and phishing operation impersonating 260+ brands across 72 countries, using fake Cloudflare error pages, geofencing, and encrypted WebSocket channels for real-time credit card theft.

 

Read more…
Source:  Group IB


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Frebniis: New Malware Abuses Microsoft IIS Feature to Establish Backdoor

    February 16, 2023

    Symantec, by Broadcom Software, has observed a new malware that abuses a feature of Microsoft’s Internet Information Services (IIS) to deploy a backdoor onto targeted systems. The malware, dubbed Frebniis (Backdoor.Frebniis), was used by a currently unknown threat actor against targets in Taiwan. Read more… Source: Symantec  

  • CISA Releases Fifteen Industrial Control Systems Advisories

    February 16, 2023

    CISA released fifteen (15) Industrial Control Systems (ICS) advisories on February 16, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: ICSA-23-047-01 Siemens Solid Edge ICSA-23-047-02 Siemens SCALANCE X-200 IRT ICSA-23-047-03 Siemens Brownfield Connectivity Client ICSA-23-047-04 Siemens ...

  • Fog of war: how the Ukraine conflict transformed the cyber threat landscape

    February 16, 2023

    Nearly one year ago, Russia invaded Ukraine, and we continue to see cyber operations play a prominent role in the war. To provide more insights into the role of cyber, today, we are releasing our report Fog of War: How the Ukraine Conflict Transformed the Cyber Threat Landscape based on analysis from Google’s Threat Analysis ...

  • Invitation to a secret event: Uncovering Earth Yako’s campaigns

    February 16, 2023

    In 2021, Trend Micro researchers observed several targeted attacks against researchers of academic organizations and think tanks in Japan. Trend Micro have since been tracking this series of attacks and identified the new intrusion set we have named “Earth Yako”. Their research points the attribution to the known campaign “Operation RestyLink” or “Enelink”. Upon investigating several ...

  • Microsoft Exchange ProxyShell flaws exploited in new crypto-mining attack

    February 16, 2023

    A new malware dubbed ‘ProxyShellMiner’ exploits the Microsoft Exchange ProxyShell vulnerabilities to deploy cryptocurrency miners throughout a Windows domain to generate profit for the attackers. ProxyShell is the name of three Exchange vulnerabilities discovered and fixed by Microsoft in 2021. When chained together, the vulnerabilities allow unauthenticated, remote code execution, letting attackers take complete control of ...

  • Mirai Variant V3G4 Targets IoT Devices

    February 15, 2023

    From July to December 2022, Unit 42 researchers observed a Mirai variant called V3G4, which was leveraging several vulnerabilities to spread itself. The vulnerabilities exploited include the following: CVE-2012-4869: FreePBX Elastix Remote Command Execution Vulnerability Gitorious Remote Command Execution Vulnerability CVE-2014-9727: FRITZ!Box Webcam Remote Command Execution Vulnerability Mitel AWC Remote Command Execution Vulnerability Read more… Source: Palo Alto Unit 42