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Code-signing certificates are supposed to help authenticate the identity of software publishers, and provide cryptographic assurance that a signed piece of software has not been altered or tampered with. Both of these qualities make stolen or ill-gotten code-signing certificates attractive to cybercriminal groups, who prize their ability to add stealth and longevity to malicious software. This post is a deep dive on "Megatraffer," a veteran Russian hacker who has practically cornered the underground market for malware focused code-signing certificates since 2015.

An analysis of the "evasive and tenacious" malware known as QBot has revealed that 25% of its command-and-control (C2) servers are merely active for a single day. What's more, 50% of the servers don't remain active for more than a week, indicating the use of an adaptable and dynamic C2 infrastructure, Lumen Black Lotus Labs said in a report shared with The Hacker News. "This botnet has adapted

Ubuntu Security Notice 6127-1 - Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

Cisco Talos has observed a threat actor deploying a previously unidentified botnet program Talos is calling “Horabot,” which delivers a known banking trojan and spam tool onto victim machines in a campaign that has been ongoing since at least November 2020.

Microsoft Outlook Denial of Service Vulnerability

Categories: Exploits and vulnerabilities Categories: News Tags: Apple Tags: macOS Tags: Ventura 13.4 Tags: Monterey 12.6.6 Tags: Big Sur 11.7.7 Tags: libxpc Tags: SIP Tags: XPC Tags: NVRAM Tags: CVE-2023-32369 Tags: Migraine Microsoft has released details about a vulnerability that can bypass macOS's System Integrity Protection (Read more...) The post Microsoft gives Apple a migraine appeared first on Malwarebytes Labs.

Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

By Habiba Rashid According to Bitdefender, GravityZone Security for Mobile is a cutting-edge solution that leverages powerful antimalware technologies driven by real-time threat intelligence and machine learning. This is a post from HackRead.com Read the original post: Bitdefender Introduces GravityZone Security for Android, iOS, and Chromebook

Plus: Microsoft patches two zero-day flaws, Google’s Android and Chrome get some much-needed updates, and more.

Microsoft GamingServicesNet version 12.77.3001.0 suffers from an unquoted service path vulnerability.