Results for “dns-lookup”
6 skillsMore results
analyzing-dns-logs-for-exfiltration
Detects DNS-based data exfiltration, tunneling, and DGA communication by analyzing query logs with entropy analysis, volume anomalies, and subdomain length detection in SIEM platforms.
24.6k · bundle
hunting-for-dns-based-persistence
Hunt for DNS-based persistence mechanisms including DNS hijacking, dangling CNAME records, wildcard DNS abuse, and unauthorized zone modifications using passive DNS databases, SecurityTrails API, and DNS audit log analysis.
24.6k · bundle
detecting-exfiltration-over-dns-with-zeek
Analyze Zeek dns.log files to detect DNS-based data exfiltration by computing Shannon entropy, flagging long subdomain labels, and identifying anomalous query patterns.
24.6k · bundle
hunting-for-domain-fronting-c2-traffic
Detect domain fronting C2 traffic by analyzing SNI vs HTTP Host header mismatches in proxy logs and TLS certificate discrepancies using pyOpenSSL for certificate inspection.
24.6k · bundle
hunting-for-data-exfiltration-indicators
Analyze network traffic, logs, and data flows to detect potential data exfiltration via DNS tunneling, cloud storage uploads, encrypted channels, and other indicators of compromise.
24.6k · bundle