Password Spray Attacks Taking Advantage of Lax MFA

In the first quarter of 2025, Rapid7’s Managed Threat Hunting team observed a significant volume of brute-force password attempts leveraging FastHTTP, a high-performance HTTP server and client library for Go, to automate unauthorized logins via HTTP requests. This rapid volume Read More …

Court document reveals locations of WhatsApp victims targeted by NSO spyware

NSO Group’s notorious spyware Pegasus was used to target 1,223 WhatsApp users in 51 different countries during a 2019 hacking campaign, according to a new court document. The document was published on Friday as part of the lawsuit that Meta-owned Read More …

BADBAZAAR and MOONSHINE: Spyware targeting Uyghur, Taiwanese and Tibetan groups and civil society actors

MOONSHINE and BADBAZAAR are examples of trojans; they have malicious functions hidden inside an otherwise functioning app that can be downloaded from app stores or online file-sharing services. These apps are designed to trick a user into downloading and installing Read More …

Attackers distributing a miner and the ClipBanker Trojan via SourceForge

Recently, Kaspersky researchers noticed a rather unique scheme for distributing malware that exploits SourceForge, a popular website providing software hosting, comparison, and distribution services. The site hosts numerous software projects, and anyone can upload theirs. One such project, officepackage, on Read More …

2025 Ransomware: Business as Usual, Business is Booming

Getting an edge on your adversaries involves understanding their behaviors and their mindset. Rapid7 Labs took a look at internal and publicly-available ransomware data for Q1 2025 and added our own insights to provide a picture of the year thus Read More …

Kellogg’s leaks sensitive data after Clop attack

WK Kellogg, the company behind the Kellogg’s cereals, has been hit by a major data breach. Cybercriminals from the ransomware group Clop exploited a vulnerability in the software of an external supplier, stealing employees’ personal data. The data breach took Read More …

How ToddyCat tried to hide behind AV software

To hide their activity in infected systems, APT groups resort to various techniques to bypass defenses. Most of these techniques are well known and detectable by both EPP solutions and EDR threat-monitoring and response tools. In early 2024, while investigating Read More …

QR codes sent in attachments are the new favorite for phishers

Recently Malwarebytes Labs researchers have been seeing quite a few phishing campaigns using QR codes in email attachments. The lure and the targets are varied, but the use of a QR code to get someone to visit the phishing site Read More …