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mukul975
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Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
51 lines
1.7 KiB
Markdown
51 lines
1.7 KiB
Markdown
# API Reference: IoT Security Assessment
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## Tools CLI Reference
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| Tool | Command | Description |
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|------|---------|-------------|
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| nmap | `nmap -sV -sC -p- <target>` | Full port scan with version detection |
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| binwalk | `binwalk -eM <firmware>` | Recursive firmware extraction |
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| tcpdump | `tcpdump -i <iface> host <ip> -w <pcap>` | Packet capture from device |
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| openssl | `openssl s_client -connect <ip>:<port>` | TLS certificate inspection |
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| flashrom | `flashrom -p ch341a_spi -r <output>` | SPI flash memory dump |
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## Firmwalker (Firmware Scanner)
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```bash
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./firmwalker.sh <extracted_fs_root>/
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# Scans for: passwords, keys, URLs, IPs, emails, config files
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```
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## FirmAE / Firmadyne (Firmware Emulation)
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```bash
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python3 fat.py <firmware.bin>
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# Boots extracted Linux firmware in QEMU for dynamic testing
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```
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## Python Libraries
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| Library | Version | Purpose |
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|---------|---------|---------|
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| `subprocess` | stdlib | Execute nmap, binwalk, tcpdump commands |
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| `hashlib` | stdlib | Firmware integrity hashing |
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| `paho-mqtt` | >=1.6 | MQTT protocol testing for unauthenticated access |
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## Common IoT Protocols & Ports
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| Protocol | Port | Security Concern |
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|----------|------|-----------------|
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| MQTT | 1883/8883 | Often unauthenticated, subscribe to # |
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| CoAP | 5683 | UDP-based, usually no authentication |
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| UPnP | 1900 | Service discovery, often exposes admin |
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| RTSP | 554 | Video streams, frequently unauthenticated |
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| Telnet | 23 | Plaintext credentials |
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## References
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- OWASP IoT Top 10: https://owasp.org/www-project-internet-of-things/
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- FCC ID lookup: https://www.fcc.gov/oet/ea/fccid
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- Firmadyne: https://github.com/firmadyne/firmadyne
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- Binwalk: https://github.com/ReFirmLabs/binwalk
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