Rapid7 Observed Exploitation of Atlassian Confluence CVE-2023-22518

As of November 5, 2023, Rapid7 Managed Detection and Response (MDR) is observing exploitation of Atlassian Confluence in multiple customer environments, including for ransomware deployment. We have confirmed that at least some of the exploits are targeting CVE-2023-22518, an improper Read More …

StripedFly: Perennially flying under the radar

It’s just another cryptocurrency miner… Nobody would even suspect the mining malware was merely a mask, masquerading behind an intricate modular framework that supports both Linux and Windows. It comes equipped with a built-in TOR network tunnel for communication with Read More …

How BPF-Enabled Malware Works

Berkeley Packet Filtering (BPF) is a kind of technology that allows programs to effectively execute code in the kernels of modern operating systems, such as Linux and Berkeley Software Distribution (BSD) variants. Soon, Windows will also add support for BPF. Read More …

Updated MATA attacks industrial companies in Eastern Europe

In early September 2022, Kaspersky researchers discovered several new malware samples belonging to the MATA cluster. As they were collecting and analyzing the relevant telemetry data, they realized the campaign had been launched in mid-August 2022 and targeted over a Read More …

ThemeBleed exploit is another reason to patch Windows quickly

Included in the September 2023 Patch Tuesday updates was a fix for a vulnerability which has been dubbed ThemeBleed. A Proof-of-Concept (PoC) exploit has been released by Gabe Kirkpatrick, one of the researchers acknowledged for reporting the vulnerability. The Common Read More …

A peek into APT36’s updated arsenal

In July 2023, Zscaler ThreatLabz discovered new malicious activity perpetuated by the Pakistan-based advanced persistent threat group (APT36). APT36 is a sophisticated cyber threat group with a history of conducting targeted espionage operations in South Asia. Zscaler ThreatLabz observed APT36 Read More …

OriginBotnet Spreads via Malicious Word Document

In August, FortiGuard Labs obtained a Word document containing a malicious URL designed to entice victims to download a malware loader. This loader employs a binary padding evasion strategy that adds null bytes to increase the file’s size to 400 Read More …

Deleting Your Way Into SYSTEM: Why Arbitrary File Deletion Vulnerabilities Matter

Windows arbitrary file deletion vulnerabilities should no longer be considered mere annoyances or tools for Denial-of-Service (DoS) attacks. Over the past couple of years, these vulnerabilities have matured into potent threats capable of unearthing a portal to full system compromise. Read More …