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.
Elastic Security Labs discusses the NETWIRE trojan and is releasing a tool to dynamically extract configuration files.
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.
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.
This year's FLARE-ON consisted of 11 different reverse engineering challenges with a range of interesting binaries. We really enjoyed working on these challenges and have published our solutions here to Elastic Security Labs.
The Elastic Security Labs team has been tracking REF2731, an 5-stage intrusion set involving the PARALLAX loader and the NETWIRE RAT.
Elastic Security has performed a deep technical analysis of the BUGHATCH malware. This includes capabilities as well as defensive countermeasures.
In this research publication, we'll explore the LUNA attack pattern — a cross-platform ransomware variant.
Elastic Security observed a ransomware and extortion campaign leveraging a combination of offensive security tools, LOLBAS, and exploits to deliver the CUBA ransomware malware.
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