Linux
Solving the November 13th Detective Nevil Mystery Challenge
Overview Each week on Friday, we post a social media challenge known as “Detective Nevil Mystery Challenge”. On November 13th of 2020, we released a challenge that contained a payload and it ...
Who’s your fridge talking to at night?
By Gary Fisk, Sales Engineer, Corelight I love origin stories – the tales of grand plans, unforeseen circumstances, and necessity that creates something new. These strange times have resulted in something new ...
Small, fast and easy. Pick any three.
By Seth Hall, Co-Founder & Chief Evangelist, Corelight Zeek has been the darling of security defenders looking to get deep visibility into network traffic. Over the last two decades, Zeek has become ...
Why Linux Should Factor Into Your Security Strategy
Linux is a pervasive operating system—and for good reason. It’s lightweight, flexible, multi-architecture supportive and open source, all leading to loads of opportunity. Today, Linux-based systems run servers, mainframes, routers, smart cars, ...
Not-So-Random: Using LD_PRELOAD to Hijack the rand() Function
Today I wanted to continue the series on using LD_PRELOAD. In today’s post we are going to use LD_PRELOAD to hijack the rand() function in a simple random number guessing game to ...
BleedingTooth: Intel Discloses Early, Angering Linux Lovers
A Google researcher discovered a high-severity vulnerability in the Linux Bluetooth stack ...
LD_PRELOAD – Introduction
Today I wanted to start what I plan to be a small series of blog posts about LD_PRELOAD. LD_PRELOAD is related to Linux based systems and revolves around the loader system and ...
Proxies, Pivots, and Tunnels – Oh My!
Forward When talking about a proxy or a pivot or a tunnel, we could be talking about very different things. However, to me, these terms could mean the same thing too. A ...
Tripwire Patch Priority Index for September 2020
Tripwire‘s September 2020 Patch Priority Index (PPI) brings together important vulnerabilities from Microsoft, Apple, and various Linux distributions. Up first on the patch priority list this month is a very high priority ...
Linux and macOS Versions of Commercial ‘Malware’ FinSpy Found Online by Amnesty International
Amnesty International revealed the existence of Linux and macOS variants of FinSpy, a commercially available spy suite used extensively by threat actors, as well as law enforcement agencies and government from around ...
