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Rhys Downing

Threat Researcher

Rhys Downing

Rhys is a Threat Researcher at Ontinue. Rhys started his career in IT, as a technician, which is where he discovered the world of cybersecurity. He ultimately decided to complete his degree in cyber and then landed his first role as a SOC analyst in 2021.

He said that what interests him the most about security is malware. He loves analyzing it and breaking it down to uncover its capabilities.

Posts by Rhys Downing

Lunex Unmasked: A New Information Stealer Deployed Through BYOVD

Blog

Lunex Unmasked: A New Information Stealer Deployed Through BYOVD

Ontinue researchers uncover the Lunex malware platform, revealing a sophisticated attack chain, BYOVD techniques, and previously unreported capabilities.

19 min read

Read

Living Off the Cloud: A Python Implant Hiding Its Entire C2 Inside Microsoft 365 & Azure

Blog

Living Off the Cloud: A Python Implant Hiding Its Entire C2 Inside Microsoft 365 & Azure

A new malware framework is hiding its entire command-and-control operation inside Microsoft 365 and Azure.

19 min read

Read

Behind a Fake Claude Code Installer

Blog

Behind a Fake Claude Code Installer

Rhys Downing outlines an ongoing campaign targeting developers through fake installation pages that mimic popular developer tools.

13 min read

Read

VoidLink: Dissecting an AI-Generated C2 Implant

Blog

VoidLink: Dissecting an AI-Generated C2 Implant

Ontinue's ATO team published research on VoidLink revealing how LLM-generated malware is lowering the barrier to sophisticated Linux C2 implants with cloud…

5 min read

Read

B2B Guest Access Creates an Unprotected Attack Vector

Blog

B2B Guest Access Creates an Unprotected Attack Vector

Ontinue's ATO team examined the new Chat with Anyone feature in Microsoft Teams and offers best practices to protect against phishing attacks

8 min read

Read

Nezha: The Monitoring Tool That’s Also a Perfect RAT

Blog

Nezha: The Monitoring Tool That’s Also a Perfect RAT

Research from Ontinue reveals how Nezha, a legitimate open-source monitoring tool, is being abused by attackers as a stealthy post-exploitation RAT.

7 min read

Read

Vidar Malware: Azure Credential Targeting and Chrome v20 Decryption Analysis

Blog

Vidar Malware: Azure Credential Targeting and Chrome v20 Decryption Analysis

Ontinue's Advanced Threat Operations team published reverse engineering analysis of Vidar Stealer 2.0 through systematic analysis.

12 min read

Read

Salty2FA: Multi-Stage Evasion in Modern Phishing

Blog

Salty2FA: Multi-Stage Evasion in Modern Phishing

Learn about the Salty2FA phishing method: multi-stage credential theft using MFA bypass and evasion tactics—and how to defend.

7 min read

Read

Inside LockBit: The Inner Workings of a Ransomware Giant

Blog

Inside LockBit: The Inner Workings of a Ransomware Giant

Dive into how the threat actor LockBit operates—attack methods, monetization models, and defenses every organization should apply.

14 min read

Read

Obfuscated PowerShell leads to Lumma C2 Stealer

Blog

Obfuscated PowerShell leads to Lumma C2 Stealer

Ontinue Cyber Defenders have observed an uptick in activities related to the LummaC2 infostealer being used as a Malware-as-a-Service.

8 min read

Read

This is Nonstop SecOps.

Ontinue

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© 2026 Ontinue. All rights reserved.

Ontinue offers nonstop SecOps through an AI-powered managed extended detection and response (MXDR) service. Ontinue ION MXDR combines powerful proprietary AI with the industry’s first collaboration with Microsoft Teams to continuously build a deep understanding of our customers’ environments, informing how we prevent, detect, and respond to threats.

Continuous protection. AI-powered Nonstop SecOps. That’s Ontinue.

This is Nonstop SecOps.

Ontinue

European HQ

Grubenstrasse 54
8045 Zürich

North America HQ

450 Maple Street
Redwood City, CA 94063

UK Office

9 Holborn
London, EC1N 2LL

APAC Office

World Trade Tower, Sector 16
Noida, Uttar Pradesh 201301

Düsseldorf Office

Speditionstraße 2
40221 Düsseldorf, Germany

Vienna Office

Kohlmarkt 8-10
1010 Wien, Austria

Toronto Office

6060-3080 Yonge St
Toronto, ON M4N 3N1

Ontinue

© 2026 Ontinue. All rights reserved.

Ontinue offers nonstop SecOps through an AI-powered managed extended detection and response (MXDR) service. Ontinue ION MXDR combines powerful proprietary AI with the industry’s first collaboration with Microsoft Teams to continuously build a deep understanding of our customers’ environments, informing how we prevent, detect, and respond to threats.

Continuous protection. AI-powered Nonstop SecOps. That’s Ontinue.

This is Nonstop SecOps.

Ontinue

European HQ

Grubenstrasse 54
8045 Zürich

North America HQ

450 Maple Street
Redwood City, CA 94063

UK Office

9 Holborn
London, EC1N 2LL

APAC Office

World Trade Tower, Sector 16
Noida, Uttar Pradesh 201301

Düsseldorf Office

Speditionstraße 2
40221 Düsseldorf, Germany

Vienna Office

Kohlmarkt 8-10
1010 Wien, Austria

Toronto Office

6060-3080 Yonge St
Toronto, ON M4N 3N1

Ontinue

© 2026 Ontinue. All rights reserved.

Ontinue offers nonstop SecOps through an AI-powered managed extended detection and response (MXDR) service. Ontinue ION MXDR combines powerful proprietary AI with the industry’s first collaboration with Microsoft Teams to continuously build a deep understanding of our customers’ environments, informing how we prevent, detect, and respond to threats.

Continuous protection. AI-powered Nonstop SecOps. That’s Ontinue.

This is Nonstop SecOps.

Ontinue

European HQ

Grubenstrasse 54
8045 Zürich

North America HQ

450 Maple Street
Redwood City, CA 94063

UK Office

9 Holborn
London, EC1N 2LL

APAC Office

World Trade Tower, Sector 16
Noida, Uttar Pradesh 201301

Düsseldorf Office

Speditionstraße 2
40221 Düsseldorf, Germany

Vienna Office

Kohlmarkt 8-10
1010 Wien, Austria

Toronto Office

6060-3080 Yonge St
Toronto, ON M4N 3N1

Ontinue

© 2026 Ontinue. All rights reserved.

Ontinue offers nonstop SecOps through an AI-powered managed extended detection and response (MXDR) service. Ontinue ION MXDR combines powerful proprietary AI with the industry’s first collaboration with Microsoft Teams to continuously build a deep understanding of our customers’ environments, informing how we prevent, detect, and respond to threats.

Continuous protection. AI-powered Nonstop SecOps. That’s Ontinue.