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firewall-bypass — Process‑Piggyback Data Fetching

A minimalist tool that downloads remote data through other running processes, bypassing network restrictions and firewall policy rules by proxying traffic through trusted executables.
May be flagged as malware due to the nature of its functionality.

How It Works

  1. Scans the system for processes with active outbound connections
  2. Injects shellcode into a selected target process
  3. Requests external data as if it were the target application
  4. Transfers the received data back to the injector for processing

Firewall Compatibility

Firewall Status Notes
Windows Firewall + Full bypass
Comodo Firewall ± HIPS may block
Simplewall + Fully bypassed
TinyWall + Fully bypassed
ZoneAlarm + Fully bypassed
GlassWire + Fully bypassed (logged)

About

PoC for downloading data by injecting into processes to evade firewalls

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