CORELIGHT LABS

RESEARCH

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From detecting attacks to profiling behavior, Corelight Labs creates new ways to deepen network insight and strengthen enterprise security. We work in close partnership with other innovators at Corelight, and we take pride in the robust, deeply technical capabilities we create.

LATEST RESEARCH

IoT/OT/ICS threats: Detecting vulnerable Boa web servers

11/30/22

On Nov. 22, 2022 Microsoft announced research findings about an ongoing supply chain attack against IoT devices running Boa web servers. The Boa web server, an open-source small-footprint web server suitable for embedded applications, was...

Detecting 5 current APTs without heavy lifting

11/8/22

The Corelight Labs team prides itself on the ability to create novel Zeek and Suricata detection content that delves deep into packet streams by leveraging the full power of these tools. However this level of additional sophistication is not always...

Detecting the Manjusaka C2 framework

9/28/22

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)...

Detecting CVE-2022-30216: Windows Server Service Tampering

8/9/22

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...

Detecting CVE-2022-23270 in PPTP

5/26/22

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...

Detecting CVE-2022-26937 with Zeek

5/26/22

This month, Microsoft announced a vulnerability in NFS. The exploit lies in how an attacker can force a victim NFS server to request an address from the attacker’s fake NFS server. The address returned will overflow memory on the victim NFS server...