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:

  • CISA Releases Malware Analysis Report on ICONICSTEALER

    April 20, 2023

    CISA has released a new Malware Analysis Report (MAR) on an infostealer known as ICONICSTEALER. This trojan has been identified as a variant of malware used in the supply chain attack against 3CX’s Desktop App. CISA recommends users and administrators to review the following resources for more information, and hunt for the listed indicators of compromise ...

  • Ransomware Attack Hits Marinette Marine Shipyard, Results in Short-Term Delay of Frigate, Freedom LCS Construction

    April 20, 2023

    The Wisconsin shipyard that builds the U.S. Navy’s Freedom-class Littoral Combat Ship and the Constellation-class guided-missile frigate suffered a ransomware attack last week that delayed production across the shipyard, USNI News has learned. Fincantieri Marinette Marine experienced the attack in the early morning hours of April 12, when large chunks of data on the shipyard’s network ...

  • Medusa ransomware crew brags about spreading Bing, Cortana source code

    April 20, 2023

    The Medusa ransomware gang has put online what it claims is a massive leak of internal Microsoft materials, including Bing and Cortana source code. “This leak is of more interest to programmers, since it contains the source codes of the following Bing products, Bing Maps and Cortana,” the crew wrote on its website, which was screenshotted ...

  • CISA and Partners Release Cybersecurity Best Practices for Smart Cities

    April 19, 2023

    Today, CISA, NSA, FBI, NCSC-UK, ACSC, CCCS and NCSC-NZ released a joint guide: Cybersecurity Best Practices for Smart Cities. Smart cities may create safer, more efficient, resilient communities through technological innovation and data-driven decision making. However, this opportunity also introduces potential vulnerabilities and weaknesses that—if exploited—could impact national security, economic security, public health and safety, and ...

  • Microsoft SQL servers hacked to deploy Trigona ransomware

    April 19, 2023

    Attackers are hacking into poorly secured and Interned-exposed Microsoft SQL (MS-SQL) servers to deploy Trigona ransomware payloads and encrypt all files. The MS-SQL servers are being breached via brute-force or dictionary attacks that take advantage of easy-to-guess account credentials. Read more… Source: Bleeping Computer  

  • Growth of ‘hackers for hire’ will lead to more attacks and unpredictable threats, UK cyber security agency warns

    April 19, 2023

    The number of “hackers for hire” is set to grow over the next five years, leading to more cyber attacks and increasingly unpredictable threats, the UK’s cyber security agency has warned. A rise in spyware is also anticipated and other hacking tools, according to a new report by the National Cyber Security Centre (NCSC), which is ...