Carbon Black | Breaking Cybersecurity News | The Hacker News

Threat actors associated with the DragonForce ransomware have been observed using a custom Go-based remote access trojan (RAT) called Backdoor.Turn to conceal command-and-control (C2) traffic inside Microsoft Teams relay infrastructure. According to findings from Broadcom-owned Symantec and Carbon Black, the backdoor was deployed against a major U.S. services firm. The name of the company was not disclosed. "Backdoor.Turn obtains an anonymous Teams visitor token from Microsoft’s Skype-backed identity services, uses a legitimate Microsoft TURN relay to set up the connection, and then runs a QUIC session to the attacker’s real command-and-control (C2) server," the Threat Hunter Team said in a report shared with The Hacker News. "To network defenders, the only traffic they could see was outbound connections to legitimate Microsoft Teams servers. The attackers were on the victim network for between one and two months."

A new analysis of the Lua-based fast16 malware has confirmed that it was a cyber sabotage tool designed to tamper with nuclear weapons testing simulations. According to Broadcom-owned Symantec and Carbon Black teams, the pre-Stuxnet tool was engineered to corrupt uranium-compression simulations that are central to nuclear weapon design. "Fast16's hook engine is selectively interested in high-explosive simulations inside LS-DYNA and AUTODYN," the Threat Hunter Team said . "The malware checks for the density of the material being simulated and only acts when that value passes 30 g/cm³, the threshold uranium can only be reached under the shock compression of an implosion device. The development comes weeks after SentinelOne presented an analysis of fast16, describing it as the first sabotage framework whose components may have developed as early as 2005, predating the earliest known version of Stuxnet (aka Stuxnet 0.5) by two years. Evidence unearthed by the cybe...

VMware on Tuesday released patches to address a critical security vulnerability affecting its Carbon Black App Control product. Tracked as  CVE-2023-20858 , the shortcoming carries a CVSS score of 9.1 out of a maximum of 10 and impacts App Control versions 8.7.x, 8.8.x, and 8.9.x. The virtualization services provider describes the issue as an injection vulnerability. Security researcher Jari Jääskelä has been credited with discovering and reporting the bug. "A malicious actor with privileged access to the App Control administration console may be able to use specially crafted input allowing access to the underlying server operating system," the company  said  in an advisory. VMware said there are no workarounds that resolve the flaw, necessitating that customers update to versions 8.7.8, 8.8.6, and 8.9.4 to mitigate potential risks. It's worth pointing out that Jääskelä was also credited with reporting two critical vulnerabilities in the same product ( CVE-2022-229...

VMware on Wednesday released software updates to plug two critical security vulnerabilities affecting its Carbon Black App Control platform that could be abused by a malicious actor to execute arbitrary code on affected installations in Windows systems. Tracked as  CVE-2022-22951 and CVE-2022-22952 , both the flaws are rated 9.1 out of a maximum of 10 on the CVSS vulnerability scoring system. Credited with reporting the two issues is security researcher Jari Jääskelä. That said, successful exploitation of the vulnerabilities banks on the prerequisite that the attacker is already logged in as an administrator or a highly privileged user. VMware Carbon Black App Control is an  application allow listing solution  that's used to lock down servers and critical systems, prevent unwanted changes, and ensure continuous compliance with regulatory mandates. CVE-2022-22951 has been described as a command injection vulnerability that could enable an authenticated, high pri...

VMware has rolled out security updates to resolve a critical flaw affecting Carbon Black App Control that could be exploited to bypass authentication and take control of vulnerable systems. The vulnerability, identified as CVE-2021-21998, is rated 9.4 out of 10 in severity by the industry-standard Common Vulnerability Scoring System (CVSS) and affects App Control (AppC) versions 8.0.x, 8.1.x, 8.5.x, and 8.6.x. Carbon Black App Control  is a security solution designed to lock down critical systems and servers to prevent unauthorized changes in the face of cyber-attacks and ensure compliance with regulatory mandates such as PCI-DSS, HIPAA, GDPR, SOX, FISMA, and NERC. "A malicious actor with network access to the VMware Carbon Black App Control management server might be able to obtain administrative access to the product without the need to authenticate," the California-based cloud computing and virtualization technology company  said  in an advisory. CVE-2021-21998 i...