Security News
A newly discovered Linux malware known as Symbiote infects all running processes on compromised systems, steals account credentials, and gives its operators backdoor access. After injecting itself into all running processes, the malware acts as a system-wide parasite, leaving no identifiable signs of infection even during meticulous in-depth inspections.
Offensive Security, the creators of Kali Linux, announced today that they would be offering free access to their live-streamed 'Penetration Testing with Kali Linux' training course later this month. The course will prepare you for the Offensive Security Certified Professional certification exam, taught in person before the pandemic.
Several botnets are now using exploits targeting a critical remote code execution vulnerability to infect Linux servers running unpatched Atlassian Confluence Server and Data Center installs. After proof-of-concept exploits were published online, cybersecurity firm GreyNoise said it detected an almost ten-fold increase in active exploitation, from 23 IP addresses attempting to exploit it to more than 200.
Black Basta is the latest ransomware gang to add support for encrypting VMware ESXi virtual machines running on enterprise Linux servers. In a new report, Uptycs Threat Research analysts revealed that they spotted new Black Basta ransomware binaries specifically targeting VMWare ESXi servers.
A nascent Linux-based botnet named Enemybot has expanded its capabilities to include recently disclosed security vulnerabilities in its arsenal to target web servers, Android devices, and content management systems. "The malware is rapidly adopting one-day vulnerabilities as part of its exploitation capabilities," AT&T Alien Labs said in a technical write-up published last week.
Hackers are showing an increased interest in the Windows Subsystem for Linux as an attack surface as they build new malware, the more advanced samples being suitable for espionage and downloading additional malicious modules. WSL-based malware samples discovered recently rely on open-source code that routes communication through the Telegram messaging service and gives the threat actor remote access to the compromised system.
A new ransomware named 'Cheers' has appeared in the cybercrime space and has started its operations by targeting vulnerable VMware ESXi servers. We have seen many ransomware groups targeting the VMware ESXi platform in the past, with the most recent additions being LockBit and Hive.
Tails developers have warned users to stop using the portable Debian-based Linux distro until the next release if they're entering or accessing sensitive information using the bundled Tor Browser application. "We recommend that you stop using Tails until the release of 5.1 if you use Tor Browser for sensitive information," the Tails developers warned.
Microsoft has sounded the alarm on DDoS malware called XorDdos that targets Linux endpoints and servers. Over the last six months, Microsoft threat researchers say they've witnessed a 254 percent spike in the malware's activity.
Kali Linux 2022.2 released: Desktop enhancements, tweaks for the terminal, new tools, and more!Offensive Security has released Kali Linux 2022.2, the latest version of its popular penetration testing and digital forensics platform. VMware issues critical fixes, CISA orders federal agencies to act immediatelyVMware has released patches for a privately reported critical vulnerability in VMware's Workspace ONE Access, VMware Identity Manager, vRealize Lifecycle Manager, vRealize Automation, and VMware Cloud Foundation products, and is urging administrators to patch or mitigate immediately, because "The ramifications of this vulnerability are serious."