Corelight Bright Ideas Blog: NDR & Threat Hunting Blog

Key takeaways from RSA 2023: #BetterTogether and AI in security

By Ed Smith – May 8, 2023

Whether or not you made it to RSA 2023, here are two key themes we saw throughout this year’s conference. Read more »

New Sliver C2 Detection Released - Redteam detected

By Corelight Labs Team – May 4, 2023

We are excited to announce the release of a new detection package “Sliver”, which identifies and raises alerts related to the Sliver C2 framework. This new package joins our industrial-strength C2 Collection and uses a variety of techniques to... Read more »

BOD 23-01: Better visibility to reduce risk

By Jean Schaffer – October 10, 2022

“Knowing what’s on your network is the first step for any organization to reduce risk.” Read more »

Detecting the Manjusaka C2 framework

By Corelight Labs Team – September 29, 2022

Security practitioners may know about common command-and-control (C2) frameworks, such as Cobalt Strike and Sliver, but fewer have likely heard of the so-called Chinese sibling framework “Manjusaka” (described by Talos in an excellent writeup). Like... Read more »

Detecting CVE-2022-30216: Windows Server Service Tampering

By Corelight Labs Team – August 9, 2022

In July 2022, Microsoft disclosed a vulnerability in the Windows Server Service that allows an authenticated user to remotely access a local API call on a domain controller, which triggers an NTLM request. This results in a leak of credentials that... Read more »

Corelight Investigator accelerates threat hunting

By Nick Hunter – May 25, 2022

This morning we announced Corelight Investigator, an open NDR platform that enables security teams with the next-level evidence they need to disrupt attacks and accelerate threat hunting through an easy-to-use, quick-to-deploy SaaS solution. Read more »

Finding CVE-2022-22954 with Zeek

By Corelight Labs Team – May 20, 2022

CISA released a warning to federal agencies on May 18 that APT actors are actively exploiting recent vulnerabilities found in VMware, including CVE-2022-22954. Your first thought may have been to want new signatures, indicators, and/or behavioral... Read more »

Spotting Log4j traffic in Kubernetes environments

By Stan Kiefer – May 10, 2022

Editor’s note: This is the latest in a series of posts we have planned over the next several weeks where we explore topics such as network monitoring in Kubernetes, using sidecars to sniff and tunnel traffic, show a real-world example of detecting... Read more »

Explore Corelight evidence in Humio Community Edition

By Ed Smith – April 19, 2022

Now available: A free and easy way to learn about Humio and Corelight. Read more »

Telegram Zeek, you’re my main notice

By Yacin Nadji – July 28, 2021

Notices in Zeek Zeek’s Notice Framework enables network operators to specify how potentially interesting network findings can be reported. This decoupling of detection and reporting highlights Zeek’s flexibility: a notice-worthy event in network A... Read more »