When checking the URL isn’t enough: a Device Code Phishing attack via a Microsoft website


One of the most common pieces of anti-phishing advice is to double-check the website’s domain name before providing your credentials. Typically, a fraudulent domain stands out to the trained eye, differing from the official URL by at least a few characters. Recently, however, Kaspersky encountered a campaign where attackers instruct victims to input data directly into a legitimate, trusted corporate site: the Microsoft Identity Platform, which supports an OAuth 2.0 specification known as the Device Authorization Grant.

This specific protocol extension was designed to simplify the login experience for smart TVs, IoT hardware, printers, and other input-constrained devices that lack a full browser or keyboard. It allows users to use a nearby smartphone or PC for authorizing these devices to access their accounts.

Read more…
Source:  Kaspersky


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


Related:

  • DoppelPaymer ransomware suspects cuffed, alleged ringleaders escape

    March 6, 2023

    German and Ukrainian cops have arrested suspected members of the DoppelPaymer ransomware crew and issued warrants for three other “masterminds” behind the global operation that extorted tens of millions of dollars and may have led to the death of a hospital patient. The criminal gang, also known as Indrik Spider, Double Spider and Grief, used double-extortion ...

  • Spike in LokiBot Activity During Final Week of 2022

    March 3, 2023

    Unit 42 researchers have uncovered a malware distribution campaign that is delivering the LokiBot information stealer via business email compromise (BEC) phishing emails. This malware is designed to steal sensitive information from victims’ systems, such as passwords and banking information, as well as other sensitive data. In this blog, Unit 42 researchers will explain how attackers used ...

  • Managed XDR Exposes Spear-Phishing Campaign Targeting Hospitality Industry Using RedLine Stealer

    March 2, 2023

    Recently, Trend Micro researchers noticed a spike in the number of emails received by one of our customers. After further investigation, they found that three other customers in the hospitality industry were also affected. The researchers observed that most of the emails had subject lines that attempt to catch victims’ attention: “help,” “requesting for assistance,” ...

  • Subdomain Reputation: Detecting Malicious Subdomains of Public Apex Domains

    March 2, 2023

    Cybercriminals regularly leverage popular dynamic domain name system (DDNS) or web hosting services to store and distribute their content. Threat actors leverage these for command and control (C2), malware distribution and phishing. This abuse has created the need for new detection methods for malicious subdomains. DDNS and web hosting services often allow people to serve content ...

  • Leveraging data science to minimize the blast radius of ransomware attacks

    March 2, 2023

    As ransomware groups continue to build on their arsenal of tactics, techniques, and procedures (TTPs), it’s essential for cybersecurity professionals to assess the levels of risk to their organizations using multiple sources of information for a comprehensive outlook on this ever-evolving threat. Common Vulnerabilities and Exposures (CVE) data, for example, can guide defenders in determining ...

  • Iron Tiger’s SysUpdate Reappears, Adds Linux Targeting

    March 1, 2023

    Iron Tiger is an advanced persistent threat (APT) group that has been focused primarily on cyberespionage for more than a decade. In 2022, we noticed that they updated SysUpdate, one of their custom malware families, to include new features and add malware infection support for the Linux platform. We found the oldest sample of this updated ...