Post-exploitation framework now also delivered via npm

The first version of the AdaptixC2 post-exploitation framework, which can be considered an alternative to the well-known Cobalt Strike, was made publicly available in early 2025. In spring of 2025, the framework was first observed being used for malicious means. Read More …

Identifying and Mitigating Potential Velociraptor Abuse

Open-source technologies and communities are a big part of the Rapid7 ethos, and that’s not by chance – it’s by design. Rapid7 believe that their Metasploit, AttackerKB, and Velociraptor initiatives help create a strong threat intelligence foundation as well as Read More …

AdaptixC2: A New Open-Source Framework Leveraged in Real-World Attacks

In early May 2025, Unit 42 researchers observed that AdaptixC2 was used to infect several systems. AdaptixC2 is a recently identified, open-source post-exploitation and adversarial emulation framework made for penetration testers that threat actors are using in campaigns. Unlike many Read More …

Malicious Packages Across Open-Source Registries: Detection Statistics and Trends (Q2 2025)

In this previous blog, Fortiguard Labs highlighted a growing trend in the use of open source software (OSS) repositories as channels for malware distribution in supply chain security. With the continued reliance on third-party packages in development workflows, threat actors Read More …

What we know about the xz Utils backdoor that almost infected the world

On Friday, a lone Microsoft developer rocked the world when he revealed a backdoor had been intentionally planted in xz Utils, an open source data compression utility available on almost all installations of Linux and other Unix-like operating systems. The Read More …

ClamAV’s VirusEvent Command Injection Vulnerability

SonicWall Capture Labs Threat Research Team became aware of the ClamAV VirusEvent command injection vulnerability (CVE-2024-20328), assessed its impact, and developed mitigation measures for the vulnerability. ClamAV is a notable, open-source anti-virus engine, widely recognized for its comprehensive suite of Read More …

phpPgAdmin deserialization vulnerability

phpPgAdmin is an open-source, web-based administration tool for managing PostgreSQL, an advanced, enterprise-class, and open-source relational database system. phpPgAdmin is written in PHP and provides a user-friendly interface that allows users to perform various database management tasks. Users can create, Read More …

ICS protocol coverage using Snort 3 service inspectors

With more devices on operational technology (OT) networks now getting connected to wide-reaching IT networks, it is more important than ever to have effective detection capabilities for ICS protocols. However, there are a few issues that usually arise when creating Read More …

First known open-source software attacks on banking sector could kickstart long-running trend

Application security provider Checkmarx has detailed its findings on the first known open-source software (OSS) attacks targeting the banking sector. During the first half of 2023, the firm said its supply chain research team detected several OSS attacks that showcased Read More …