name: YARA Rules Skill description: YARA rule creation, testing, and deployment allowed-tools:

• Bash
• Read
• Write
• Edit
• Glob
• Grep

YARA Rules Skill

Overview

This skill provides capabilities for YARA rule creation, testing, and deployment for malware detection and threat hunting.

Capabilities

• Generate YARA rules from samples
• Validate YARA rule syntax
• Test rules against sample sets
• Optimize rules for performance
• Create rule metadata and documentation
• Support YARA modules (PE, ELF, etc.)
• Integrate with VirusTotal YARA
• Generate Sigma rules for correlation

Target Processes

• malware-analysis.js
• threat-intelligence-research.js
• security-tool-development.js

Dependencies

• YARA CLI
• yara-python library
• VirusTotal API (optional)
• Sample malware corpus (for testing)

Usage Context

This skill is essential for:

• Malware detection rule development
• Threat hunting operations
• IOC-based detection
• Malware family classification
• Automated sample triage

Integration Notes

• Rules can be tested against known good/bad samples
• Performance metrics help optimize detection speed
• Supports rule versioning and documentation
• Can export to multiple detection platforms
• Integrates with YARA-L for Chronicle