Secplicity Blog - WatchGuard Research

How VBScript Malware Hides Behind Trusted Tools to Evade Detection

TL;DR WatchGuard Red Cell researcher Euler Neto investigated three malware campaigns involving VBScript (VBS), revealing how cybercriminals combine phishing, obfuscated scripts, and legitimate Windows components to deliver malicious payloads while evading detection. The research examines Overlord…

ErrTraffic Malware Campaign: ClickFix and EtherHiding

TL;DR Euler Neto, a member of the WatchGuard Threat Lab identified an active malware campaign using the ErrTraffic Malware-as-a-Service framework to distribute multiple threats through compromised WordPress websites, ClickFix social engineering, and EtherHiding. The campaign uses Polygon blockchain…

Ongoing Widespread Credential Harvesting Campaign Targets VPN Providers

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Introduction At the turn of the year, we were alerted to a doppelganger domain impersonating WatchGuard’s Mobile VPN with SSL, delivering a malicious spoofed client to steal credentials. Navigating directly to the doppelganger domain resulted in a benign informational WatchGuard VPN page. However…

Dr Joseph L Popp Jr and The First-Ever Ransomware – The AIDS Trojan

Publication: Dr. Joseph L Popp Jr and The First-Ever Ransomware – The AIDS Trojan If you work in information security or the computer science field, there's a good chance you've heard of the first-ever ransomware – the AIDS Trojan. There's also a chance you know the basics of that story. An…