DNS Tunneling Detection
How to detect DNS tunneling without an ML model — query length, entropy, and frequency thresholds, a Suricata rule and a Zeek/SPL analytic, plus egress hardening.
4 articles
How to detect DNS tunneling without an ML model — query length, entropy, and frequency thresholds, a Suricata rule and a Zeek/SPL analytic, plus egress hardening.
Command injection detection from logs — the telemetry that exposes OS command injection, Sigma and Suricata rules, a CVE-2024-3400 case study, and hardening.
SSRF detection without running exploits — metadata-access signatures, Sigma/Suricata/CloudTrail rules, IMDSv2 defense, a CVE-2025-53767 case, and tuning tips.
How to detect SQL injection across web, app, and database telemetry — with Sigma, Suricata, and SPL rules, a CVE-2025-1094 case study, and tuning tips. Lab-only.