Threat Intelligence

Managing Expanding Attack Surfaces for Growing Businesses

While 20% of businesses may not survive past their first year, those that manage steady growth face new challenges over time. Among them is external attack surface expansion, one of the most critical security aspects for growing businesses. more

Looking for More Signs of Nitrogen in the DNS

Malwarebytes Labs recently published a report on the latest Nitrogen malware campaign that has been targeting system administrators using fake ads in the guise of Google sponsored search results. According to the security analysts, the victims are currently limited to North America. more

A DNS Investigation of the Typhoon 2FA Phishing Kit

Bleeping Computer recently reported that a phishing-as-a-service (PhaaS) available in cybercriminal forums dubbed "Typhoon 2FA" has the ability to compromise Microsoft 365 and Google accounts even if users have two-factor authentication (2FA) enabled. more

Examining a U.S. Tax Scammer’s Web Infrastructure through the DNS Lens

The 2024 U.S. tax season is well underway, and as usual, scams of all kinds targeting taxpayers and causing the Internal Revenue Service (IRS) problems have cropped up. One such ongoing malicious campaign has explicitly been trailing its sights on small business owners and the self-employed. more

Digging Deep to Examine the Roots of the Glupteba UEFI Bootkit

Glupteba, an advanced piece of malware, has been used in several cybercriminal attacks for more than a decade now. But Palo Alto's Unit 42 only brought to light one of the features that made it so effective - its Unified Extensible Firmware Interface (UEFI) bootkit component, which allowed it to intervene and control the operating system (OS) boot process and be extremely difficult to detect and remove, last November 2023. more

Hunting for TimbreStealer Malware Artifacts in the DNS

A new info-stealing malware called "TimbreStealer" is in town. Cisco Talos detected its distribution through a phishing campaign targeting Mexico. more

A Glimpse into the Global Domain Registration Trends Seen in Q1 2024

After analyzing 21+ million newly registered domains (NRDs) added from 1 January to 31 March 2024, our researchers found that the new domain registration volume declined by about 32% from the previous quarter. more

Uncovering Suspicious Download Pages Linked to App Installer Abuse

Threat actors have been abusing App Installer, a Windows 10 feature that makes installing applications more convenient. The abuse could lead to ransomware distribution and was likely carried out by financially motivated actors Storm-0569, Storm-1113, Sangria Tempest, and Storm-1674. more

On the DNS Trail of the Rise of macOS Backdoors

macOS has been gaining the unwanted attention of more and more backdoor operators since late 2023. In February 2024, Bitdefender uncovered RustDoor, which was written in Rust and possibly has ties to the operators of a Windows ransomware. more

Checking Out the DNS for More Signs of ResumeLooters

Group-IB uncovered ResumeLooters, a threat actor group specializing in victimizing job hunters to steal their personally identifiable information (PII). more