Hash Signature Matching
O(1) LMDB lookup against millions of SHA-256/MD5 hashes from MalwareBazaar, URLhaus, VirusShare, and more.
OpenPRX
PRX-SD
Open-source antivirus engine
Multi-layered threat detection engine for files and directories.
Language: Rust License: Apache-2.0 
Key Features
YARA Rule Engine
64+ built-in rules plus community rulesets from Neo23x0, Yara-Rules, ReversingLabs, ESET, and InQuest.
Heuristic Analysis
PE/ELF/MachO-aware entropy, suspicious API, packer detection, and behavioral scoring.
Real-time Monitoring
Watch directories for new or modified files with automatic scanning.
Quarantine System
Isolate, list, and restore detected threats with a built-in quarantine vault.
Cross-Platform
Native support for Linux, macOS, and Windows with platform-specific detections.
Architecture
File Input → Magic Detection (PE/ELF/MachO/PDF/ZIP)
Hash Match
LMDB O(1)
YARA Scan
Pattern Match
Heuristic
Score ≥60
Result: Clean / Suspicious / Malicious
Tech Stack
Rust, YARA, LMDB, Tauri + Vue 3
Quick Start
curl -fsSL https://raw.githubusercontent.com/openprx/prx-sd/main/install.sh | bash
sd scan /path/to/check
sd monitor /home /tmpAlso from OpenPRX
OpenPR
Project management where the team decides together
Plan work, track issues, and make decisions with built-in proposals, voting, and trust scores.
Team Governance Sprint Planning AI Integration Proposals & Voting
Learn More PRX
An AI assistant that gets smarter over time
Connect to any chat platform, pick the best AI model automatically, and evolve its own strategies.
Multi-Platform Self-Evolving Any AI Model Extensible
Learn More PRX-Memory
Long-term memory for your AI tools
Your AI coding tools remember what they learned — across sessions, projects, and teams.
Persistent Memory Local-First Works with Any AI Smart Recall
Learn More PRX-WAF
Protect your websites from attacks
Block malicious traffic, stop bots, and defend APIs — with community-driven rules that update automatically.
Attack Blocking Bot Detection Geo Filtering API Protection
Learn More Fenfa
Distribute apps to every device
Upload once, deliver to iOS, Android, and desktop — with OTA updates and download pages.
All Platforms OTA Updates Self-Hosted CI/CD Ready
Learn More