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ti-yara-hunting

YARA rule writing from behavioral observations and TI report analysis — sample-to-rule conversion, condition optimization, performance tuning, and retrohunting on VirusTotal and ANY.RUN. Covers YARA/YARA-X syntax, yarGen automated generation, and production rule deployment.

packages/decepticon/decepticon/skills/standard/analyst/ti-yara-hunting/SKILL.md

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# YARA Hunting

Write YARA rules from malware samples, behavioral observations, and threat intelligence reports. Deploy rules for retrohunting across VirusTotal (500M+ files) and ANY.RUN (2TB malware corpus) to discover campaign variants, earlier versions, and related infrastructure.

## Quick Reference

```bash
# Install YARA
apt-get install -y yara || pip install yara-python

# Install YARA-X (Rust rewrite — faster, stricter)
cargo install yara-x

# Install yarGen for automated rule generation