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mukul975 c21af3347e Complete folder anatomy for all 649 cybersecurity skills + update LICENSE to Mahipal

- Add scripts/agent.py and references/api-reference.md to all remaining skills
- Update all 648 LICENSE files: copyright now reads 'Mahipal'
- Add implementing-security-monitoring-with-datadog (new skill with full anatomy)
- All 649 skills now have: SKILL.md, LICENSE, scripts/agent.py, references/api-reference.md

2026-03-11 00:22:12 +01:00

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API Reference — Performing OT Network Security Assessment

Libraries Used

csv: Parse asset inventories and firewall rule exports
subprocess: Execute nmap for OT protocol scanning
xml.etree.ElementTree: Parse nmap XML output

CLI Interface

python agent.py assets --csv ot_inventory.csv
python agent.py segmentation --csv firewall_rules.csv
python agent.py protocols --subnet 192.168.1.0/24
python agent.py report --assets inventory.csv [--firewall fw_rules.csv]

Core Functions

`assess_asset_inventory(csv_file)` — Purdue model zone analysis

Groups assets by Purdue level. Flags end-of-life and unknown firmware.

`assess_network_segmentation(csv_file)` — Firewall rule audit

Detects: direct IT-to-OT access (CRITICAL), allow-any-protocol rules (HIGH).

`scan_ot_protocols(target_subnet)` — OT protocol discovery

Scans ports: 102 (S7), 502 (Modbus), 4840 (OPC-UA), 44818 (EtherNet/IP), 47808 (BACnet), 20000 (DNP3).

`generate_assessment_report(...)` — Comprehensive report

OT Protocol Ports

Port	Protocol	Usage
102	S7Comm	Siemens S7 PLCs
502	Modbus TCP	Industrial automation
4840	OPC-UA	Industrial data exchange
44818	EtherNet/IP	Allen-Bradley PLCs
47808	BACnet	Building automation
20000	DNP3	SCADA/utility

Dependencies

System: nmap (optional, for protocol scanning) No Python packages required.

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