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Passive DNS
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Detecting DNS Exfiltration Via Query Analysis
detecting-dns-exfiltration-with-dns-query-analysis
mukul975/Anthropic-Cybersecurity-Skills
139
This skill provides methods for detecting covert data exfiltration channels using DNS tunneling. It analyzes DNS query patterns, including subdomain entropy, query volume anomalies, oversized TXT/CNAME records, and unusual query types, to identify potential data leakage attempts from compromised networks. Ideal for threat hunting and building advanced passive DNS monitoring capabilities.
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