Contact person: Business Client

Phone:Show

Email:Show

Location: Oro Valley, United States

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"Build a Self-Hosted Remote Access & Unattended-Agent Platform
1. Define Core Requirements
Start by aligning the team on the final product goals.
Primary Capabilities
• Remote desktop control
• Unattended access
• Attended access via session link
• Multi-platform client agents (Windows, macOS, Linux)
• Self-hosted server
• Encrypted communication
• Role-based access control
• Customizable agent branding
• Session recording
• File transfer
• Clipboard sync
• Multi-monitor support
• Black-screen mode
• Reboot & reconnect
• Audit logs
• Performance telemetry
• Plugin architecture for extended tools
• API for integrations
• Mobile viewer (optional)
________________________________________
2. Decide Architecture
Break down the platform into the following components.
Server (Self-Hosted)
• Technologies: .NET Core / Go / Node.js
• Features:
o User authentication + RBAC
o Agent management (installers, configs, policies)
o Session broker
o Database layer
o Storage for logs, recordings, and events
o API gateway
o WebSocket or gRPC channels
o Load balancing + HA support
Relay / Signaling Service
• Secure relay for NAT traversal
• Reverse WebSocket connections
• End-to-end encryption management
• Multiplexing for high-speed screen and input streams
Client Agent (Windows / macOS / Linux)
• Runs as background service
• Supports persistent encrypted connections
• Auto-update system
• Remote control module
• Screen capturing
• Input injection
• File system operations
• System commands (reboot, lock, etc.)
• Policy enforcement
Web Console
• Frontend: React / Vue / Angular
• Viewer interface (WebRTC or WebSocket streaming)
• Device list + groups
• Session control UI
• Settings & policy management
• Brand customization panel
________________________________________
3. Research & Planning
Reverse-Engineer the Workflow
Study how ScreenConnect and similar tools behave:
• Connection handshake
• Idle time behavior
• Reconnection logic
• Session quality negotiation
• Remote display capture methods
• Input injection technologies
• Service permissions & elevation
• Agent installation flow
Create Technical Spec Docs
Break into separate specification documents:
• Remote control protocol
• Screen encoding format (H.264 / MJPEG / Png streams)
• Input protocol
• File transfer spec
• Security model
• Configurable agent parameters
• Plugin SDK
________________________________________
4. Build Communication Layer
This is the heart of the system.
Tasks
• Choose communication strategy (WebRTC, WebSocket, gRPC, custom TCP)
• Implement encrypted persistent connections
• Support fallback: direct → relay → proxy
• Implement authentication (token / cert-based)
• Keep-alive checks
• Offline detection
• Auto-reconnect logic
________________________________________
5. Build Remote Control Engine
Screen Capture
• Windows: Desktop Duplication API
• macOS: CGDisplayStream
• Linux: X11 / Wayland screen capture
• Support for multiple monitors
• Optimize for:
o Compression
o Bandwidth
o Latency
Input Injection
• Mouse + keyboard emulation
• Clipboard transfer
• Clipboard text syncing
Black-Screen Mode
• Create a topmost overlay
• Replace screen output while blocked
• Lock keyboard/mouse locally
________________________________________
6. Build File Manager Module
Features:
• Directory tree
• Upload / download files
• Delete, rename, move
• Drag and drop support
• File thumbnails
• File execution options (disk / memory)
________________________________________
7. Unattended Access Agent Development
Agent Installer
• Custom branding
• Pre-configured server URL
• Auto-register with server
• Secure unique device ID creation
Persistent Service
• Windows service / macOS daemon / systemd service
• Auto-start after reboot
• Runs with elevated permissions
• Reconnects even without user login
Auto-Updates
• Signed update packages
• Differential updates
• Silent update flow
________________________________________
8. Web Console Development
Dashboard
• Device list (online/offline)
• Search + tags + groups
• Session start buttons
• Device health
Viewer
• Live screen stream
• Input controls
• Multi-monitor switcher
• File manager
• Clipboard viewer
• Tools sidebar (task manager, commands, chat)
Admin Panel
• User management
• Roles & permissions
• Agent builder (branding + config)
• Audit logs
• Server settings
________________________________________
9. Security Implementation
• End-to-end encryption (AES-256 + RSA handshake)
• Certificate-based agent auth
• Session logs
• Recording encryption
• Password-protected sessions
• Token rotation
• Agent tamper protection
• UAC elevation support
________________________________________
10. Build Add-On Modules (Optional but Useful)
Hidden Tools
• Hidden RDP
• Hidden browser instances
• Hidden command shell
System Tools
• Task manager
• Registry editor
• Process management
• Network info
• Disk info
Automation
• Scripting panel
• Remote terminal
• Schedules (reboot, updates, maintenance tasks)
________________________________________
11. Testing Workflow
Unit Tests
• Protocols
• File transfer
• Agent reconnection
Integration Tests
• Full remote session
• Multi-monitor
• Black screen
• Reboot reconnect
Security Tests
• Pen-testing
• TLS inspection
• Packet sniffing for leaks
Load Testing
• Multiple agents
• Stressing relay server
• Visual scaling tests
________________________________________
12. Deployment Workflow
• Build self-hosted package (Docker + bare-metal)
• Setup production environment
• SSL configuration
• Monitoring tools (Prometheus / Grafana)
• Auto-backup scripts
________________________________________
13. Documentation
Provide complete documentation for:
• Installation
• Agent building
• Server config
• API usage
• Security models
• Troubleshooting
________________________________________
14. Maintenance & Update Cycle
• Monthly security patches
• Bug fixes
• Performance improvements
• New OS compatibility updates
• Agent auto-update distribution" (client-provided description)