A set of zeek (bro) scripts providing a module for tracking and correlating abnormal DNS behavior. Detection of tunneling and C&C through connection duration and volume, request and answer size, DNS request type, and unique queries per domain.
domain-tld: https://github.com/sethhall/domain-tld (automatically installed with package)
bro-pkg install jbaggs/anomalous-dns
Current documentation consists of inline comments.