detecting-dns-exfiltration-with-dns-query-analysis
bfoxhound/Anthropic-Cybersecurity-SkillsDetect data exfiltration via DNS tunneling (tools like iodine, dnscat2, dns2tcp) by analyzing query entropy, subdomain length, query volume to single domains,…
Scores out of 100 · grade B+
2026-08-23Works
40% of the score100/100
- Loads cleanly: valid frontmatter, required fields present, no dangling references.
Maintained
25% of the score100/100
- no commits in the last 12 weeks
- repo is less than two weeks old
Adopted
20% of the score0/100
- No install or star signal yet.
Documented
15% of the score100/100
- 1,640 words with worked examples.
- Ships 3 bundled files.
Install
npx skills add bfoxhound/Anthropic-Cybersecurity-Skills/detecting-dns-exfiltration-with-dns-query-analysisWhat it says it does
Detect data exfiltration via DNS tunneling (tools like iodine, dnscat2, dns2tcp) by analyzing query entropy, subdomain length, query volume to single domains, TXT/CNAME/NULL record abuse, and oversized response payloads using passive DNS monitoring and statistical/ML methods. Use when hunting for covert DNS-based data exfiltration or building a passive DNS anomaly detection capability.
Also in bfoxhound/Anthropic-Cybersecurity-Skills
| Artifact | Score | What the check found | Type | Reach | Last commit |
|---|---|---|---|---|---|
| abusing-dpapi-for-credential-accessbfoxhound/Anthropic-Cybersecurity-Skills | clean | Skill | no signal | today | |
| abusing-shadow-credentials-for-privescbfoxhound/Anthropic-Cybersecurity-Skills | clean | Skill | no signal | today | |
| acquiring-disk-image-with-dd-and-dcflddbfoxhound/Anthropic-Cybersecurity-Skills | clean | Skill | no signal | today | |
| analyzing-apt-group-with-mitre-navigatorbfoxhound/Anthropic-Cybersecurity-Skills | clean | Skill | no signal | today | |
| analyzing-browser-forensics-with-hindsightbfoxhound/Anthropic-Cybersecurity-Skills | clean | Skill | no signal | today | |
| analyzing-disk-image-with-autopsybfoxhound/Anthropic-Cybersecurity-Skills | clean | Skill | no signal | today |
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