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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
1.7 KiB
1.7 KiB
API Reference: IoT Security Assessment
Tools CLI Reference
| Tool | Command | Description |
|---|---|---|
| nmap | nmap -sV -sC -p- <target> |
Full port scan with version detection |
| binwalk | binwalk -eM <firmware> |
Recursive firmware extraction |
| tcpdump | tcpdump -i <iface> host <ip> -w <pcap> |
Packet capture from device |
| openssl | openssl s_client -connect <ip>:<port> |
TLS certificate inspection |
| flashrom | flashrom -p ch341a_spi -r <output> |
SPI flash memory dump |
Firmwalker (Firmware Scanner)
./firmwalker.sh <extracted_fs_root>/
# Scans for: passwords, keys, URLs, IPs, emails, config files
FirmAE / Firmadyne (Firmware Emulation)
python3 fat.py <firmware.bin>
# Boots extracted Linux firmware in QEMU for dynamic testing
Python Libraries
| Library | Version | Purpose |
|---|---|---|
subprocess |
stdlib | Execute nmap, binwalk, tcpdump commands |
hashlib |
stdlib | Firmware integrity hashing |
paho-mqtt |
>=1.6 | MQTT protocol testing for unauthenticated access |
Common IoT Protocols & Ports
| Protocol | Port | Security Concern |
|---|---|---|
| MQTT | 1883/8883 | Often unauthenticated, subscribe to # |
| CoAP | 5683 | UDP-based, usually no authentication |
| UPnP | 1900 | Service discovery, often exposes admin |
| RTSP | 554 | Video streams, frequently unauthenticated |
| Telnet | 23 | Plaintext credentials |
References
- OWASP IoT Top 10: https://owasp.org/www-project-internet-of-things/
- FCC ID lookup: https://www.fcc.gov/oet/ea/fccid
- Firmadyne: https://github.com/firmadyne/firmadyne
- Binwalk: https://github.com/ReFirmLabs/binwalk