ISC StormCast for Friday, December 4th 2015

By Johannes Ullrich New variant of CryptoWall – Is it right to call it 4.0?
https://isc.sans.edu/forums/diary/New+variant+of+CryptoWall+Is+it+right+to+call+it+40/20435/
Lets Encrypt Starting Open Service
https://letsencrypt.org
Kazakhtelecom Introduces Mandatory Root Certificate
https://web.archive.org/web/20151202203337/http://telecom.kz/en/news/view/18729
Elasticsearch Botnet
https://www.alienvault.com/open-threat-exchange/blog/elasticzombie-botnet-exploiting-elasticsearch-vulnerabilities More Here