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.
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.
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.
More on Adversary + Attack Pattern + Activity Group
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.
LUNA Ransomware Attack Pattern Analysis
In this research publication, we'll explore the LUNA attack pattern — a cross-platform ransomware variant.
Exploring the QBOT Attack Pattern
In this research publication, we'll explore our analysis of the QBOT attack pattern — a full-featured and prolific malware family.
A peek behind the BPFDoor
In this research piece, we explore BPFDoor — a backdoor payload specifically crafted for Linux in order to gain re-entry into a previously or actively compromised target environment.
Okta and LAPSUS$: What you need to know
The latest organization under the microscope of the LAPSUS$ group is Okta. Threat hunt for the recent breach targeting Okta users using these simple steps in Elastic
Collecting Cobalt Strike Beacons with the Elastic Stack
Part 1 - Processes and technology needed to extract Cobalt Strike implant beacons
Elastic Security has identified active intrusions leveraging the newly identified BLISTER malware loader utilizing valid code-signing certificates to evade detection. We are providing detection guidance for security teams to protect themselves.
Adversary tradecraft 101: Hunting for persistence using Elastic Security (Part 2)
Learn how Elastic Endpoint Security and Elastic SIEM can be used to hunt for and detect malicious persistence techniques at scale.
Adversary tradecraft 101: Hunting for persistence using Elastic Security (Part 1)
Learn how Elastic Endpoint Security and Elastic SIEM can be used to hunt for and detect malicious persistence techniques at scale.
