> cat /dev/github | grep security-tools
discovered 03 Aug 2026

dfex

Python ★ 45 via github-topic
→ View on GitHub
DFEX is a tool designed for DNS-based data exfiltration, leveraging the DNS protocol to transmit files across networks while circumventing traditional firewalls. Its primary use case is in post-exploitation scenarios, employing unique tactics to outsmart advanced firewalls, including techniques that disguise data transfers in plain sight. Notable features include a dual-client and server architecture, and compatibility with Python environments to facilitate easy installation and setup.