MetaDefender Core v4.21.0 ... 8. MetaDefender Core Developer Guide 8.1. MetaDefender API 8.1.10. Yara 8.1.10.1. Get Yara sources 8.1.10.2. Modify Yara sources 8.1.10.3. Generate Yara package 8.1.10.4. Get status of Yara package generation