Dec 12, 2022Ravie LakshmananHealthcare IT / Ransomware The U.S. Department of Health and Human Services (HHS) has cautioned of ongoing Royal ransomware attacks targeting healthcare entities in the country. "While most of the known ransomware operators have performed Ransomware-as-a-Service, Royal appears to be a private group without any affiliates while maintaining financial … [Read more...] about Royal Ransomware Threat Takes Aim at U.S. Healthcare System
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Hack-for-Hire Group Targets Travel and Financial Entities with New Janicab Malware Variant
Dec 10, 2022Ravie LakshmananHack-for-Hire / Threat Intelligence Travel agencies have emerged as the target of a hack-for-hire group dubbed Evilnum as part of a broader campaign aimed at legal and financial investment institutions in the Middle East and Europe. The attacks targeting law firms throughout 2020 and 2021 involved a revamped variant of a malware called Janicab that … [Read more...] about Hack-for-Hire Group Targets Travel and Financial Entities with New Janicab Malware Variant
Researchers Detail New Attack Method to Bypass Popular Web Application Firewalls
Dec 10, 2022Ravie LakshmananWeb App Firewall / Web Security A new attack method can be used to circumvent web application firewalls (WAFs) of various vendors and infiltrate systems, potentially enabling attackers to gain access to sensitive business and customer information. Web application firewalls are a key line of defense to help filter, monitor, and block HTTP(S) traffic … [Read more...] about Researchers Detail New Attack Method to Bypass Popular Web Application Firewalls
MuddyWater Hackers Target Asian and Middle East Countries with Updated Tactics
Dec 09, 2022Ravie LakshmananThreat Intelligence / Cyber Attack The Iran-linked MuddyWater threat actor has been observed targeting several countries in the Middle East as well as Central and West Asia as part of a new spear-phishing activity. "The campaign has been observed targeting Armenia, Azerbaijan, Egypt, Iraq, Israel, Jordan, Oman, Qatar, Tajikistan, and the United … [Read more...] about MuddyWater Hackers Target Asian and Middle East Countries with Updated Tactics
Google Warns of Internet Explorer Zero-Day Vulnerability Exploited by ScarCruft Hackers
Dec 08, 2022Ravie LakshmananPatch Management / Zero-Day An Internet Explorer zero-day vulnerability was actively exploited by a North Korean threat actor to target South Korean users by capitalizing on the recent Itaewon Halloween crowd crush to trick users into downloading malware. The discovery, reported by Google Threat Analysis Group researchers Benoît Sevens and Clément … [Read more...] about Google Warns of Internet Explorer Zero-Day Vulnerability Exploited by ScarCruft Hackers
New Go-based Zerobot Botnet Exploiting Dozen of IoT Vulnerabilities to Expand its Network
Dec 07, 2022Ravie LakshmananInternet of Things / Botnet A novel Go-based botnet called Zerobot has been observed in the wild proliferating by taking advantage of nearly two dozen security vulnerabilities in the internet of things (IoT) devices and other software. The botnet "contains several modules, including self-replication, attacks for different protocols, and … [Read more...] about New Go-based Zerobot Botnet Exploiting Dozen of IoT Vulnerabilities to Expand its Network
Open Source Ransomware Toolkit Cryptonite Turns Into Accidental Wiper Malware
Dec 06, 2022Ravie LakshmananEndpoint Security / Data Security A version of an open source ransomware toolkit called Cryptonite has been observed in the wild with wiper capabilities due to its "weak architecture and programming." Cryptonite, unlike other ransomware strains, is not available for sale on the cybercriminal underground, and was instead offered for free by an actor … [Read more...] about Open Source Ransomware Toolkit Cryptonite Turns Into Accidental Wiper Malware
Critical Ping Vulnerability Allows Remote Attackers to Take Over FreeBSD Systems
Dec 05, 2022Ravie Lakshmanan The maintainers of the FreeBSD operating system have released updates to remediate a security vulnerability impacting the ping module that could be potentially exploited to crash the program or trigger remote code execution. The issue, assigned the identifier CVE-2022-23093, impacts all supported versions of FreeBSD and concerns a stack-based … [Read more...] about Critical Ping Vulnerability Allows Remote Attackers to Take Over FreeBSD Systems
Google Rolls Out New Chrome Browser Update to Patch Yet Another Zero-Day Vulnerability
Search giant Google on Friday released an out-of-band security update to fix a new actively exploited zero-day flaw in its Chrome web browser. The high-severity flaw, tracked as CVE-2022-4262, concerns a type confusion bug in the V8 JavaScript engine. Clement Lecigne of Google's Threat Analysis Group (TAG) has been credited with reporting the issue on November 29, 2022. Type … [Read more...] about Google Rolls Out New Chrome Browser Update to Patch Yet Another Zero-Day Vulnerability
Hackers Sign Android Malware Apps with Compromised Platform Certificates
Platform certificates used by Android smartphone vendors like Samsung, LG, and MediaTek have been found to be abused to sign malicious apps. The findings were first discovered and reported by Google reverse engineer Łukasz Siewierski on Thursday. "A platform certificate is the application signing certificate used to sign the 'android' application on the system image," a report … [Read more...] about Hackers Sign Android Malware Apps with Compromised Platform Certificates