SEO Poisoning Campaign Delivers New Armorsteal Malware
IntroductionIn September 2026, Zscaler Threat Hunting identified an SEO poisoning campaign that used fake websites impersonating the Chocolatey package manager and the Microsoft Activation Scripts (MAS) tool to distribute a Python-based malware family we track as Armorsteal. The fake websites targeted users searching for Chocolatey or MAS software installation commands. Each lure page displayed a malicious PowerShell command that downloaded and executed the Armorsteal installer. The installer deployed a Python 3.11 runtime environment and three main components providing remote access, surveillance, and information stealing capabilities, with the Python code protected by Pyarmor.The remote ac
- Vendor
- Microsoft, Zscaler
- Product
- Zscaler Client Connector / ZIA / ZPA
- Exposure class
- Edge / VPN / firewall
Why it ranks 16 (Routine)
- Exposed product class: edge / VPN / firewall
- Threat research
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Zscaler ThreatLabz (zscaler.com)