YARA Rule Builder

Build, validate, and export YARA detection rules with a form-based editor. Add strings (text, hex, regex), set conditions, pick from ready-made templates (PE dropper, web shell, ransomware, PS loader, C2 beacon), and get syntax-highlighted output. This free soc & threat intel tool runs entirely in your browser — no data leaves your device, no account required, and it keeps working offline once the page has loaded.