sk Skill · mukul975
detecting-exfiltration-over-dns-with-zeek
Detect DNS-based data exfiltration by analyzing Zeek dns.log for high-entropy subdomains, oversized TXT/NULL records, and anomalous query volume or patterns. Use when investigating suspected DNS tunneling, covert C2 over DNS, or data exfiltration hidden in DNS queries against network traffic captured by Zeek.
Open on skills.sh ↗read 2026-09-17
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threat-huntingPythonentropy-analysiszeekjsondns-exfiltration
- Host repository
- mukul975/Anthropic-Cybersecurity-Skills
- Version
- 1.0
- Licence
- Apache-2.0
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- Python