Android VPN Detector

Research tool for analyzing VPN detection mechanisms on Android.

Features

• Detect VPN via NetworkCapabilities.TRANSPORT_VPN
• Analyze active vs global VPN state
• Interface detection (tun0, wg0)
• Native + Java network enumeration

Purpose

Demonstrates how apps can detect VPN presence even with split tunneling.

Screenshots

VPN Active (full tunnel)

VPN Split / Bypass (still detectable)