Category: Malware Analysis

Articles tagged Malware Analysis

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Illuminating VoidLink: Technical analysis of the VoidLink rootkit framework

Illuminating VoidLink: Technical analysis of the VoidLink rootkit framework

Elastic Security Labs analyzes VoidLink, a sophisticated Linux malware framework that combines traditional Loadable Kernel Modules with eBPF to maintain persistence.

Ruben Groenewoud
From Invitation to Infection: How SILENTCONNECT Delivers ScreenConnect

From Invitation to Infection: How SILENTCONNECT Delivers ScreenConnect

SILENTCONNECT is a multi-stage loader that leverages VBScript, in-memory PowerShell execution, and PEB masquerading to silently deploy the ScreenConnect RMM tool.

Daniel Stepanic
Hooked on Linux: Rootkit Taxonomy, Hooking Techniques and Tradecraft

Hooked on Linux: Rootkit Taxonomy, Hooking Techniques and Tradecraft

In this first part of a two-part series, we explore Linux rootkit taxonomy, trace their evolution from userland shared object hijacking and kernel-space loadable kernel module hooking to modern eBPF- and io_uring-powered techniques.

Remco Sprooten
MIMICRAT: ClickFix Campaign Delivers Custom RAT via Compromised Legitimate Websites

MIMICRAT: ClickFix Campaign Delivers Custom RAT via Compromised Legitimate Websites

Elastic Security Labs uncovered a ClickFix campaign using compromised legitimate sites to deliver a five-stage chain ending in MIMICRAT, a custom native C RAT with malleable C2, token theft, and SOCKS5 tunneling.

Salim Bitam
BADIIS to the Bone: New Insights to a Global SEO Poisoning Campaign

BADIIS to the Bone: New Insights to a Global SEO Poisoning Campaign

In November 2025, Elastic Security Labs observed an intrusion affecting a multinational organization based in Southeast Asia. During the analysis of this activity, our team observed various post-compromise techniques and tooling used to deploy BADIIS malware onto a Windows web server consistent with other industry publications.

Jia Yu Chan
NANOREMOTE, cousin of FINALDRAFT

NANOREMOTE, cousin of FINALDRAFT

The fully-featured backdoor we call NANOREMOTE shares characteristics with malware described in REF7707 and is similar to the FINALDRAFT implant.

Daniel Stepanic
RONINGLOADER: DragonBreath’s New Path to PPL Abuse

RONINGLOADER: DragonBreath’s New Path to PPL Abuse

Elastic Security Labs uncovers RONINGLOADER, a multi-stage loader deploying DragonBreath’s updated gh0st RAT variant. The campaign weaponizes signed drivers, thread-pool injection, and PPL abuse to disable Defender and evade Chinese EDR tools.

Jia Yu Chan
TOLLBOOTH: What's yours, IIS mine

TOLLBOOTH: What's yours, IIS mine

REF3927 abuses publicly disclosed ASP.NET machine keys to compromise IIS servers and deploy TOLLBOOTH SEO cloaking modules globally.

Daniel Stepanic
NightMARE on 0xelm Street, a guided tour

NightMARE on 0xelm Street, a guided tour

This article describes nightMARE, a python-based library for malware researchers that was developed by Elastic Security Labs to help scale analysis. It describes how we use nightMARE to develop malware configuration extractors and carve out intelligence indicators.

Cyril François
WARMCOOKIE One Year Later: New Features and Fresh Insights

WARMCOOKIE One Year Later: New Features and Fresh Insights

A year later: Elastic Security Labs re-examines the WARMCOOKIE backdoor.

Daniel Stepanic
MaaS Appeal: An Infostealer Rises From The Ashes

MaaS Appeal: An Infostealer Rises From The Ashes

NOVABLIGHT is a NodeJS infostealer developed and sold as a MaaS offering; it is used primarily to steal credentials and compromise cryptowallets.

Jia Yu Chan
A Wretch Client: From ClickFix deception to information stealer deployment

A Wretch Client: From ClickFix deception to information stealer deployment

Elastic Security Labs detected a surge in ClickFix campaigns, using GHOSTPULSE to deploy Remote Access Trojans and data-stealing malware.

Salim Bitam

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