zeek_dns_tunneling_check
Analyzes DNS query entropy, subdomain lengths, and TXT/NULL query volumes to detect potential DNS tunneling attacks.
Instructions
Detect potential DNS tunneling by analyzing query entropy, subdomain lengths, and TXT/NULL query volumes.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| timeTo | No | End time (ISO 8601) | |
| timeFrom | No | Start time (ISO 8601) | |
| entropyThreshold | No | Shannon entropy threshold for flagging suspicious queries (default 3.5) |