Scripts and methods to circumvent DNS, Proxy, Route, and PAC file restrictions on MacOS devices managed by MDM profiles. Includes DNS override using dnscrypt-proxy, proxy setting bypass, routing table modifications, and PAC file customizations.
This repository is provided strictly for educational purposes only. The techniques and scripts demonstrated here show how corporate network defenses might be circumvented, specifically to educate security professionals about potential vulnerabilities in MDM configurations.
Using these techniques without proper authorization may violate:
- Organizational security policies
- Employment agreements
- Acceptable use policies
- Applicable laws and regulations
Always obtain proper authorization before implementing any techniques described in this repository.
- DNS-Override: Scripts to bypass DNS restrictions using dnscrypt-proxy
- Proxy-Override: Methods to modify global proxy settings enforced by MDM
- Route-Override: Scripts to exclude specific IP ranges from VPN tunneling
Organizations can implement the following security measures to protect against the techniques demonstrated in this repository:
Implement multiple layers of security controls rather than relying on a single mechanism:
- Network-level filtering and monitoring
- Endpoint protection solutions
- Application whitelisting
- Regular security audits
- Monitor for unauthorized changes to system configuration files
- Implement file integrity monitoring on critical system files
- Monitor for unusual network traffic patterns
- Deploy endpoint detection and response (EDR) solutions
- Implement MAC (Mandatory Access Control) solutions
- Restrict system extension installations
- Use application control policies
- Deploy network extension frameworks
- Implement TCC (Transparency, Consent, and Control) profiles
- Conduct regular penetration testing
- Perform security configuration reviews
- Test MDM policy enforcement effectiveness
- Validate security controls through red team exercises
- Educate users about security policies and acceptable use
- Clearly document consequences of policy violations
- Implement need-to-know access controls
- Regularly review and update security policies
By understanding these potential evasion techniques, security professionals can better design and implement robust security controls that protect organizational assets while still enabling legitimate business activities.