Posts by Christiaan Beek

10 min Malware

Modular Java Backdoor Dropped in Cleo Exploitation Campaign

While investigating incidents related to Cleo software exploitation, Rapid7 Labs and MDR team discovered a novel, multi-stage attack that deploys an encoded Java Archive (JAR) payload.

4 min Artificial Intelligence

Why Cybercriminals Are Not Necessarily Embracing AI

The rapid advancement of AI has offered powerful tools for malware detection, but it has also introduced new avenues for adversarial attacks.

5 min Ransomware

Selling Ransomware Breaches: 4 Trends Spotted on the RAMP Forum

The sale and purchase of unauthorized access to compromised enterprise networks has become a linchpin for cybercriminal operations, particularly in facilitating ransomware attacks.

4 min Ransomware

2023 Ransomware Stats: A Look Back To Plan Ahead

As we step into 2024, the first victims of ransomware attacks are already being reported. What can the 2023 ransomware stats tell us about the year that was, and how can we use them to plan for the year ahead?

5 min Research

The Risks of Exposing DICOM Data to the Internet

DICOM has revolutionized the medical imaging industry. However, it also presents potential vulnerabilities when exposed to the open internet.

8 min Research

Little Crumbs Can Lead To Giants

This blog offers a deep dive into the world of Shell Link files (LNK) and Virtual Hard Disk files (VHD).

5 min Research

Evasion Techniques Uncovered: An Analysis of APT Methods

DLL search order hijacking and DLL sideloading are commonly used by nation state sponsored attackers to evade detection.