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Execution of cat /proc/1/cgroup 2>/dev/null | grep -i docker | head -1 to inspect the control group assignments of PID 1 and search for case-insensitive references to “docker”, returning the first match. This pattern reflects explicit container environment detection by examining cgroup metadata to determine whether the system is running inside a Docker-based runtime prior to continued attacker activity.
This attack primitive is part of the SikkerAPI detection catalog and is actively monitored across our global honeypot network. No IPs in the current retention window have triggered this detection signature.
When an attacker triggers this primitive, matched IPs will appear here with confidence scores, geolocation, and session details. Browse other SSH detections or look up a specific IP to check its threat profile.