LevelBlue TTP Briefing Q2 2026: Stolen Identities Outpace Defenses

July 23, 2026

Hunter

LegacyHive: Nightmare-Eclipse’s Latest Zero-Day Drop with a Stripped PoC

July 20, 2026 | Pauline Bolaños

Vexed researcher Nightmare-Eclipse (aka Chaotic Eclipse, Dead Eclipse, and ...

Still Circling: Blind Eagle's Toolkit Keeps Evolving

July 17, 2026 | Serhii Melnyk

In June 2025, LevelBlue SpiderLabs published Tracing Blind Eagle to Proton66, ...

ClickFix on macOS: Blockchain-Powered Infostealer Hidden Inside Compromised Websites

July 16, 2026 | Rodel Mendrez

You're browsing a legitimate small business website. Before the page loads, a ...

Hiding in the Chain: Multi-Stage LNK Attack Leveraging TON Blockchain to Deliver Node.JS Backdoor

July 09, 2026 | Nathaniel Morales

The LevelBlue Managed Threat Research team investigated a security alert in a ...

From Phishing to Persistence: A CrySome RAT Infection Chain Analysis

July 06, 2026 | Sean Shirley and Kyle Sopt

During a recent security alert, the LevelBlue MDR SOC successfully triaged and ...

AsyncRAT and Remcos Delivered in Multi-Stage Phishing Campaign

July 02, 2026 | Fernando Martinez Sidera

Over the past two weeks, LevelBlue SpiderLabs has been tracking an active ...

An Analysis of ValleyRAT Infection Campaigns from Fake Installers, Japanese Malicious Emails

June 30, 2026 | Hajime Takai

Key points LevelBlue has identified two distinct attack vectors associated with ...

RoguePlanet and GreatXML: Detecting Local Privilege Escalation and BitLocker Security Boundary Abuse

June 17, 2026 | Serhii Melnyk

Following our previous research, LevelBlue SpiderLabs continued monitoring a ...

The Device Code Phishing Tsunami: What We’re Seeing in the Wild

June 09, 2026 | John Kevin Adriano

With contributions from Cris Tomboc.

macOS ClickFix Social Engineering Campaigns

June 04, 2026 | Maor Gabay

Overview The "ClickFix" threat landscape has undergone a significant ...

ClickFix Is Now Hiring: From Job Platform Impersonation to Python-Based RAT Delivery

June 04, 2026 | King Orande and Cris Tomboc

The LevelBlue OpsIntel CTI team examined the latest version of the ClickFix ...

The Demon Arrives Later: A Havoc Stager Hides Behind Microsoft Defender DLP

June 03, 2026 | Jose Martin

In Brazil, Nota Fiscal eletrônica (NF-e) is the everyday name for an official ...

Sapphire Sleet Targets macOS in Multi-Stage Intrusion Campaign

May 28, 2026 | Maor Gabay

We recently observed a multi-stage macOS intrusion campaign conducted by the ...

From WinRE to SYSTEM: Hunting CVE-2026-45585 Exploitation and the MiniPlasma Attack Chain

May 22, 2026 | Serhii Melnyk

Since April 2026, LevelBlue SpiderLabs’ Cyber Threat Intelligence team has ...

YellowKey and GreenPlasma: Two New Windows Zero-Days Unveiled

May 19, 2026 | James Ballantyne

Two novel Windows zero-day vulnerabilities dubbed YellowKey, which bypasses ...

A Closer Look at The Gentlemen’s Alleged Leak

May 18, 2026 | Arthur Erzberger

Executive Summary The Gentlemen is an active ransomware and extortion operation ...

Threat Analysis: Backdoored Electron Apps Evading Defenses

May 08, 2026 | Michael Morose

This Threat Analysis report is part of the “Purple Team Series” in which the ...

Unmasking a Multi-Stage Loader: AutoIt Abuse Leading to Vidar Stealer Command-and-Control Communication

May 07, 2026 | Mahadev Joshi

LevelBlue’s Security Services issues Threat Analysis reports to inform on ...

LevelBlue TTP Briefing Q1 2026: Trust Abuse Exposes Weaknesses

May 05, 2026

Explore the latest trends, techniques, and procedures (TTPs) our incident ...

Inside Vect Ransomware-as-a-Service

April 30, 2026 | SpiderLabs Researcher

Vect ransomware, a new group that emerged in January 2026, has recently begun ...

Crypto Drainers as a Converging Threat: Insights into Emerging Hybrid Attack Ecosystems

April 23, 2026 | Serhii Melnyk, King Orande, Cris Tomboc, Sean Shirley

LevelBlue SpiderLabs’ Cyber Threat Intelligence Team continues to observe a ...

A Closer Look at the Novel and Stealthy KarstoRAT Malware

April 21, 2026 | Chen Aviani

For almost three decades now, threat actors have used remote access trojans ...

Go With the Flow: Abusing OAuth Device Code Flow

April 20, 2026 | Jakub Wiewiorski

In early 2026, phishing attacks are still among the top contributors to the ...

RedSun and the Expanding Risk Window: Why Microsoft Defender Patching Can’t Wait

April 17, 2026

A newly disclosed zero-day vulnerability, dubbed RedSun, is raising fresh ...

Why Attackers Are Bypassing Phishing Emails and Targeting Identity Instead

April 13, 2026 | Jamie Mamroe

One of the fastest growing initial access techniques we are seeing right now is ...

Trojanized CPUID HWMonitor Installer Delivers Fileless .NET Payload via Obfuscated IPv6 Scriptlet

April 10, 2026 | Sean Shirley

Overview Recent reporting has identified a trojanized version of the CPUID ...

Axios NPM Package Supply Chain Compromise Leads to RAT Deployment

April 09, 2026 | Mahadev Joshi and Sho Kishimoto

KEY OBSERVATIONS Malicious Package Versions Identified: Malicious versions of ...