Actively Exploited:
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Thassanai McCabe

Cyber Threat Intelligence Researcher — Ireland
ReliaQuest · BSc Cybercrime & IT Security, First Class Honours
About

From the Field to Threat Research

Originally from Thailand and now based in Ireland, my cybersecurity journey began in Incident Response at ReliaQuest. In the SOC, my days were defined by high-pressure environments, live triage, and containing active compromises. I spent countless hours digging through raw event logs, tracing lateral movement, and analyzing endpoint data to eject threat actors from enterprise networks. I learned an incredible amount from my peers and mentors in this role (Thank you SGA <3).

Witnessing these attacks firsthand taught me how attackers operate, but it also sparked a big shift in my perspective. Evicting an attacker solves today's emergency, but true defense requires understanding where they are going tomorrow. I wanted to move from a reactive posture of stopping the bleeding to a proactive one.

This realization drove my transition into Cyber Threat Intelligence.

What I Do Today

As a Threat Intelligence Researcher, I use my frontline IR experience to track the adversary for the wider security community. My work focuses on looking outside the enterprise perimeter to study the threat actors behind the keyboard, their financial motives, and their global infrastructure.

Operating under the broader threat research umbrella allows me to collaborate closely with our threat hunting and detection engineering teams. I am incredibly fortunate to work alongside brilliant people who inspire and push me forward every day. This environment allows me to contribute to a mission much larger than myself, protecting organizations on a global scale.

One of the most rewarding outcomes of this work is seeing original research I produce get shared and discussed across the industry, from major technical news vendors like BleepingComputer to global cybersecurity forums.

Life in CTI

⦾ Mapping out command-and-control (C2) networks, tracking bulletproof hosting providers, and identifying malicious domains before they are weaponized in active campaigns.
⦾ Researching underground forums, marketplaces, and ransomware-as-a-service (RaaS) leak sites to track Initial Access Brokers (IABs) and leaked credentials.
⦾ Studying the financial structures and monetization trends that fuel modern cybercriminal networks to help organizations anticipate attacks.

Outside the SOC

When I am offline and away from the screen, I teach myself how to work on cars after being inspired by my dad. When not under the hood I am collecting Pokemon cards and other various tidbits!

Recent Publications
001
Help-Desk Lures Drop KongTuke's Evolved ModeloRAT
KongTuke pivots from web-based ClickFix to external Microsoft Teams chats, impersonating help-desk staff to deliver an evolved ModeloRAT toolkit that achieves persistent access within five minutes via four distinct persistence mechanisms and three independent C2 paths. w/ Debarshi Ghosh — May 2026.
Malware AnalysisThreat IntelligenceInitial Access Brokers
002
DeepLoad Malware Pairs ClickFix Delivery with AI-Generated Evasion
ClickFix-delivered loader using AI-generated variable-name obfuscation to defeat file-based scanners, executing payloads entirely in memory, injecting into LockAppHost.exe, and reinfecting hosts via WMI event subscriptions days after remediation. w/ Andrew Currie — Mar 2026.
Malware AnalysisClickFixEvasion TechniquesWMI
003
What's Trending: Top Cyber Attacker Techniques, Sep–Nov 2025
Quarterly trend analysis across the ReliaQuest customer base, finding spearphishing and drive-by compromise dominating initial access while ransomware groups systematically target unpatched known vulnerabilities over zero-days — Jan 2026.
Threat TrendsMITRE ATT&CKRansomwareInitial Access
004
Speed, Scale, and Stealth: How Axios Powers Automated Phishing
Documented a 241% surge in Axios user-agent activity between June–August 2025 as attackers adopted the HTTP library to automate phishing at scale; paired with Microsoft Direct Send, the technique achieved a 70% credential-theft success rate versus 9.3% for traditional phishing — Sep 2025.
PhishingCredential TheftAutomationMicrosoft 365
005
First Look at CVE-2025-54309: Dissecting the Latest CrushFTP Exploit
First published analysis of an actively exploited CrushFTP AS2 validation flaw enabling unauthenticated administrative access; documented attacker attempts to backdoor the server and how policy-based controls and IP allowlisting blocked full compromise. w/ Alexa Feminella & Francisco Hernandez — Jul 2025.
CVE AnalysisVulnerability ResearchCrushFTPExploit Development