There’s this thing called Windows Delivery Optimization which allows “you to get Windows updates and Microsoft Store apps from sources in addition to Microsoft, like other PCs on your local network, or PCs on the internet that are downloading the same files.

Backstory During a red teaming exercise […]

We found an AvosLocker ransomware variant using a legitimate antivirus component to disable detection and blocking solutions.

A read-only file system will not provide adequate protection to mitigate all vulnerabilities exploited via fileless malware techniques.

An update on cyber activity in eastern Europe.

Microsoft has disclosed a group of vulnerabilities in Linux known as Nimbuspwn that allows attackers to gain root privileges on a vulnerable system. Find out if you are vulnerable.

Nozomi Networks Labs has disclosed an unpatched vulnerability affecting the DNS of popular C standard libraries potentially in use by millions of IoT devices: uClibc and uClibc-ng.

Digital Forensics Guide. Learn all about Digital Forensics, Computer Forensics, Mobile device Forensics, Network Forensics, and Database Forensics. - GitHub - mikeroyal/Digital-Forensics-Guide: Dig...

In this article, we will start analyzing the lazy binding process, we will proceed dissecting dl-runtime, understanding when is possible to use this technique without a leak, and finally we will build our exploit.

By William Woodruff Last week, over 500 cryptographers from around the world gathered in Amsterdam for Real World Crypto 2022, meeting in person for the first time in over two years. As in previous…

Posted in r/netsec by u/the-useless-one • 74 points and 0 comments

This article explains shady economics of proxy services — its users and suppliers.

Cutting-edge cyber security research from NCC Group. Find public reports, technical advisories, analyses, & other novel insights from our global experts.

Mavinject, described as Microsoft Application Visualisation Injector, is a signed Microsoft executable that can be abused to perform arbitrary code injections inside any running process.

The biggest risk in cloud development is not recognizing the differences between cloud and traditional definitions of common architecture terms. For example, imagine a system that is completely “firewalled off”—a firewall prevents any inbound or outbound…

Posted in r/netsec by u/mmmds • 67 points and 2 comments