Articles by Seth Goodwin



The DPRK strikes using a new variant of RUSTBUCKET

Watch out! We’ve recently discovered a variant of RUSTBUCKET. Read this article to understand the new capabilities we’ve observed, as well as how to identify it in your own network.


Initial research exposing JOKERSPY

Explore JOKERSPY, a recently discovered campaign that targets financial institutions with Python backdoors. This article covers reconnaissance, attack patterns, and methods of identifying JOKERSPY in your network.


Elastic charms SPECTRALVIPER

Elastic Security Labs has discovered the P8LOADER, POWERSEAL, and SPECTRALVIPER malware families targeting a national Vietnamese agribusiness. REF2754 shares malware and motivational elements of the REF4322 and APT32 activity groups.


Update to the REF2924 intrusion set and related campaigns

Elastic Security Labs is providing an update to the REF2924 research published in December of 2022. This update includes malware analysis of the implants, additional findings, and associations with other intrusions.


NETWIRE Dynamic Configuration Extraction

Elastic Security Labs discusses the NETWIRE trojan and is releasing a tool to dynamically extract configuration files.


SiestaGraph: New implant uncovered in ASEAN member foreign ministry

Elastic Security Labs is tracking likely multiple on-net threat actors leveraging Exchange exploits, web shells, and the newly discovered SiestaGraph implant to achieve and maintain access, escalate privilege, and exfiltrate targeted data.


Doing time with the YIPPHB dropper

Elastic Security Labs outlines the steps collect and analyze the various stages of the REF4526 intrusion set. This intrusion set uses a creative approach of Unicode icons in Powershell scripts to install a loader, a dropper, and RAT implants.


ICEDIDs network infrastructure is alive and well

Elastic Security Labs details the use of open source data collection and the Elastic Stack to analyze the ICEDID botnet C2 infrastructure.


Exploring the REF2731 Intrusion Set

The Elastic Security Labs team has been tracking REF2731, an 5-stage intrusion set involving the PARALLAX loader and the NETWIRE RAT.