Cybersecurity

Cyberespionage Group Earth Hundun’s Continuous Refinement of Waterbear and Deuterbear

Earth Hundun is a cyberespionage-motivated threat actor that has been active for several years in the Asia-Pacific region, targeting the technology and government sectors. The group has been known for employing several tools and techniques, including Waterbear, a malware entity that has had over 10 versions since 2009. Waterbear is known for its complexity, as […]

Cybersecurity

Rhadamanthys Malware Deployed By TA547 Against German Targets

The threat actor TA547 has been observed targeting German organizations with the known stealer Rhadamanthys. According to a recent report from Proofpoint, this is the first time this threat actor has been associated with such activity.  What’s particularly intriguing according to the researchers is the actor’s apparent employment of a PowerShell script likely generated by […]

Cybersecurity

TA547 Phishing Attack Hits German Firms with Rhadamanthys Stealer

Apr 11, 2024NewsroomEndpoint Security / Ransomware A threat actor tracked as TA547 has targeted dozens of German organizations with an information stealer called Rhadamanthys as part of an invoice-themed phishing campaign. “This is the first time researchers observed TA547 use Rhadamanthys, an information stealer that is used by multiple cybercriminal threat actors,” Proofpoint said. “Additionally, […]

Cybersecurity

Fortinet Rolls Out Critical Security Patches for FortiClientLinux Vulnerability

Apr 11, 2024NewsroomVulnerability / Threat Mitigation Fortinet has released patches to address a critical security flaw impacting FortiClientLinux that could be exploited to achieve arbitrary code execution. Tracked as CVE-2023-45590, the vulnerability carries a CVSS score of 9.4 out of a maximum of 10. “An Improper Control of Generation of Code (‘Code Injection’) vulnerability [CWE-94] […]

Cybersecurity

New threat actor Starry Addax targets human rights defenders in North Africa

A new threat actor dubbed “Starry Addax” is targeting human rights activists associated with the Sahrawi Arab Democratic Republic (SADR) cause in North Africa using a novel mobile malware named “FlexStarling.” Starry Addax’s modus operandi involves conducting phishing attacks, enticing victims into installing malicious Android apps that are disguised as legitimate tools. The apps impersonate […]

Cybersecurity

Sidestepping SharePoint Security: Two New Techniques to Evade Exfiltration Detection | Varonis

Varonis Threat Labs discovered two techniques in SharePoint that allow users to circumvent audit logs and avoid triggering download events while exfiltrating files.   These techniques can bypass the detection and enforcement policies of traditional tools, such as cloud access security brokers, data loss prevention, and SIEMs, by hiding downloads as less suspicious access and sync […]

Cybersecurity

10-Year-Old ‘RUBYCARP’ Romanian Hacker Group Surfaces with Botnet

Apr 09, 2024NewsroomBotnet / Crypto Mining A threat group of suspected Romanian origin called RUBYCARP has been observed maintaining a long-running botnet for carrying out crypto mining, distributed denial-of-service (DDoS), and phishing attacks. The group, believed to be active for at least 10 years, employs the botnet for financial gain, Sysdig said in a report […]