Corelight Bright Ideas Blog

Network Detection Response

Detecting CVE-2022-30216: Windows Server Service Tampering

Detecting CVE-2022-30216: Windows Server Service Tampering

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 »

The evidence bank: leveraging security's most valuable asset

Editor's note: This is the fourth in a series of Corelight blog posts focusing on evidence-based security strategy. Catch up on all of the posts here. Read more »

Detecting CVE-2022-23270 in PPTP

This month, Microsoft announced a vulnerability in PPTP, a part of the VPN remote access services on Windows systems that runs on port 1723/tcp. Through Microsoft’s MAPP program, Corelight Labs reviewed a proof of concept exploit for this... Read more »

Corelight Investigator accelerates threat hunting

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 »

Network evidence for defensible disclosure

Editor's note: This is the second in a series of Corelight blog posts focusing on evidence-based security strategy. Catch up on all of the posts here. Read more »

Sidecars for network monitoring

Editor’s note: This is the second 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

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

Deeper visibility into Kubernetes environments with network monitoring

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

Don’t trust. Verify with evidence.

Editor's note: This is the first in a series of Corelight blog posts focusing on evidence-based security strategy. Catch up on all of the posts here. What matters most in a criminal trial? Evidence. Everything depends on the quality and depth of... Read more »

Detecting Log4j exploits via Zeek when Java downloads Java

We have published an initial blog on the Log4j exploit and a followup blog with a second detection method for detecting the first stage of exploits occurring over LDAP.  Today, we will discuss a third detection method, this one focused on the... Read more »

Search

    Recent Posts