An exploration of zero-click attack surface for the popular video conferencing solution Zoom has yielded two previously undisclosed security vulnerabilities that could have been exploited to crash the service, execute malicious code, and even leak arbitrary areas of its memory. Natalie Silvanovich of Google Project Zero, who discovered and reported the two flaws last year, …
A previously unknown rootkit has been found setting its sights on Hewlett-Packard Enterprise’s Integrated Lights-Out (iLO) server management technology to carry out in-the-wild attacks that tamper with the firmware modules and completely wipe data off the infected systems. The discovery, which is the first instance of real-world malware in iLO firmware, was documented by Iranian …
At least 17 malware-laced packages have been discovered on the NPM package Registry, adding to a recent barrage of malicious software hosted and delivered through open-source software repositories such as PyPi and RubyGems. DevOps firm JFrog said the libraries, now taken down, were designed to grab Discord access tokens and environment variables from users’ computers …
E-commerce platforms in the U.S., Germany, and France have come under attack from a new form of malware that targets Nginx servers in an attempt to masquerade its presence and slip past detection by security solutions. “This novel code injects itself into a host Nginx application and is nearly invisible,” Sansec Threat Research team said …
Microsoft on Monday revealed new malware deployed by the hacking group behind the SolarWinds supply chain attack last December to deliver additional payloads and steal sensitive information from Active Directory Federation Services (AD FS) servers. The tech giant’s Threat Intelligence Center (MSTIC) codenamed the “passive and highly targeted backdoor” FoggyWeb, making it the threat actor …
U.S. technology firm Kaseya has released security patches to address two zero-day vulnerabilities affecting its Unitrends enterprise backup and continuity solution that could result in privilege escalation and authenticated remote code execution. The two weaknesses are part of a trio of vulnerabilities discovered and reported by researchers at the Dutch Institute for Vulnerability Disclosure (DIVD) …
The U.S. Cybersecurity and Infrastructure Security Agency is warning of active exploitation attempts that leverage the latest line of “ProxyShell” Microsoft Exchange vulnerabilities that were patched earlier this May, including deploying LockFile ransomware on compromised systems. Tracked as CVE-2021-34473, CVE-2021-34523, and CVE-2021-31207, the vulnerabilities enable adversaries to bypass ACL controls, elevate privileges on the Exchange …
Threat actors are actively carrying out opportunistic scanning and exploitation of Exchange servers using a new exploit chain leveraging a trio of flaws affecting on-premises installations, making them the latest set of bugs after ProxyLogon vulnerabilities were exploited en masse at the start of the year. The remote code execution flaws have been collectively dubbed …
A systematic analysis of attacks against Microsoft’s Internet Information Services (IIS) servers has revealed as many as 14 malware families, 10 of them newly documented, indicating that the Windows-based web server software continues to be a hotbed for natively developed malware for close to eight years. The findings were presented today by ESET malware researcher …
A new highly capable and persistent threat actor has been targeting major high-profile public and private entities in the U.S. as part of a series of targeted cyber intrusion attacks by exploiting internet-facing Microsoft Internet Information Services (IIS) servers to infiltrate their networks. Israeli cybersecurity firm Sygnia, which identified the campaign, is tracking the advanced, …