Tag: ransomware malware

Aug 20, 2024Ravie LakshmananVulnerability / Threat Intelligence A previously undocumented backdoor named Msupedge has been put to use against a cyber attack targeting an unnamed university in Taiwan. “The most notable feature of this backdoor is that it communicates with a command-and-control (C&C) server via DNS traffic,” the Symantec Threat Hunter Team, part of Broadcom,…

Aug 20, 2024Ravie LakshmananMalware / Cyber Espionage Cybersecurity researchers have shed light on a threat actor known as Blind Eagle that has persistently targeted entities and individuals in Colombia, Ecuador, Chile, Panama, and other Latin American nations. Targets of these attacks span several sectors, including governmental institutions, financial companies, energy and oil and gas companies.…

Aug 20, 2024Ravie LakshmananVulnerability / Ransomware The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical security flaw impacting Jenkins to its Known Exploited Vulnerabilities (KEV) catalog, following its exploitation in ransomware attacks. The vulnerability, tracked as CVE-2024-23897 (CVSS score: 9.8), is a path traversal flaw that could lead to code execution. “Jenkins…

Aug 19, 2024Ravie LakshmananThreat Intelligence / Cryptocurrency A new type of malware called UULoader is being used by threat actors to deliver next-stage payloads like Gh0st RAT and Mimikatz. The Cyberint Research Team, which discovered the malware, said it’s distributed in the form of malicious installers for legitimate applications targeting Korean and Chinese speakers. There…

According to recent research on employee offboarding, 70% of IT professionals say they’ve experienced the negative effects of incomplete IT offboarding, whether in the form of a security incident tied to an account that wasn’t deprovisioned, a surprise bill for resources that aren’t in use anymore, or a missed handoff of a critical resource or…

Aug 19, 2024Ravie LakshmananCloud Security / Threat Intelligence Malicious actors are using a cloud attack tool named Xeon Sender to conduct SMS phishing and spam campaigns on a large scale by abusing legitimate services. “Attackers can use Xeon to send messages through multiple software-as-a-service (SaaS) providers using valid credentials for the service providers,” SentinelOne security…

Aug 19, 2024Ravie LakshmananVulnerability / Zero-Day A newly patched security flaw in Microsoft Windows was exploited as a zero-day by Lazarus Group, a prolific state-sponsored actor affiliated with North Korea. The security vulnerability, tracked as CVE-2024-38193 (CVSS score: 7.8), has been described as a privilege escalation bug in the Windows Ancillary Function Driver (AFD.sys) for…

Aug 19, 2024Ravie LakshmananCybercrime / Network Security Cybersecurity researchers have discovered new infrastructure linked to a financially motivated threat actor known as FIN7. The two clusters of potential FIN7 activity “indicate communications inbound to FIN7 infrastructure from IP addresses assigned to Post Ltd (Russia) and SmartApe (Estonia), respectively,” Team Cymru said in a report published…