Corelight Bright Ideas Blog: NDR & Threat Hunting Blog (11)

Corelight Bright Ideas Blog

Featured Post

December 19, 2024

Cooking up a year of faster, smarter, and tastier security

If there’s one thing I love more than delivering great products, it’s delivering great food. The holidays are my time to channel my inner celebrity chef: I’ll burn a few cookies, over-spice a roast, and then miraculously pull it all together for a meal that leaves everyone asking for seconds (or at least not asking for the takeout menu). This... Read more »

Additional Posts

Simplifying detection of Log4Shell

By Corelight Labs Team – December 14, 2021

Security workers across the world have been busy since last Friday dealing with CVE-2021-44228, the log4j 0-day known as Log4Shell, that is already being heavily exploited across the Internet. Given the huge number of systems that embed the... Read more »

Situational awareness for CISA FECB playbooks

By Jean Schaffer – November 30, 2021

CISA recently released a set of playbooks for the Federal Civilian Executive Branch (FCEB) to provide improved cybersecurity incident response (IR) and vulnerability response. As was demonstrated by the SolarWinds SUNBURST attack in December 2020,... Read more »

Corelight & Microsoft Defender for IoT: Through an XDR lens

By Brian Dye – November 16, 2021

What is the XDR paradox? It’s the hottest term in security but there is no consensus yet on the right definition. Why is that? Many organizations have deployed EDR and are benefiting from it, but also looking to the gaps that EDR can’t address such... Read more »

Detecting CVE-2021-42292

By Corelight Labs Team – November 10, 2021

On its surface, CVE-2021-42292 doesn’t look like the kind of vulnerability that a network-based tool can find reliably. Marked by Microsoft as a local file format vulnerability, security veterans would expect that between encryption and encoding,... Read more »

Expanded Suricata detections with Dtection.io

By Alex Kirk – November 4, 2021

One of the most common questions that Corelight customers and prospects who are using our Suricata integration ask is “what signatures should I run?” While our answer has always started with the industry-standard Emerging Threats Pro feed, we... Read more »

Microsoft + Corelight partner to stop IoT attacks

By Ed Smith – November 2, 2021

When you hear the term “Internet of Things,” (IoT) do you picture home devices like lightbulbs, smart assistants, and wifi-connected refrigerators? Perhaps you think of enterprise devices like video conferencing systems, smart sensors, or security... Read more »

Take the Corelight challenge: Splunk’s Boss of the SOC

By Ed Smith – October 18, 2021

Looking for some threat hunting and incident response practice that's more game than work? Check out the new Capture the Flag (CTF) challenges from Corelight, now available on Splunk’s Boss of the SOC (BOTS) website - just in time for .conf! Read more »

Corelight accelerates OMB logging adoption

By Jean Schaffer – October 7, 2021

In case you missed the Office of Management and Budget (OMB) (memo M-21-31), Improving the Federal Government’s Investigative and Remediation Capabilities Related to Cybersecurity Incidents, let me provide you the information that you need to know... Read more »

Detecting CVE-2021-38647 OMIGOD

By Ben Reardon – September 21, 2021

Researchers at wiz.io recently found a series of vulnerabilities in Windows Open Management Infrastructure (OMI) software, which is widely installed on cloud-based Azure Linux Agents. We have open-sourced a Zeek package for the most severe of these... Read more »

Using Zeek to track communication state

By Paul Dokas – September 21, 2021

One of Zeek's greatest strengths is its ability to deeply inspect packet streams that are fed into it. It is adept not only at identifying network protocols but also parsing them to extract large amounts of useful information. There is another... Read more »

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