The Stealer Factory: Unpacking a Python-Based MaaS Infostealer Builder

Reported 28 Sep 2026 by otx · Severity: medium

A Python-based Malware-as-a-Service builder enables operators to generate customized Windows infostealer executables. The system comprises a builder component and an embedded payload, using Nuitka or PyInstaller compilation to evade detection. The builder features automatic depen