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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
60 lines
1.8 KiB
Markdown
60 lines
1.8 KiB
Markdown
# API Reference: IPv6 Vulnerability Assessment Agent
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## Dependencies
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| Library | Version | Purpose |
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|---------|---------|---------|
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| scapy | >=2.5 | IPv6 packet crafting, NDP analysis, RA capture |
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## CLI Usage
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```bash
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sudo python scripts/agent.py \
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--interface eth0 \
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--known-routers "fe80::1" "fe80::2" \
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--output ipv6_report.json
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```
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## Functions
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### `discover_ipv6_hosts(interface, timeout) -> list`
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Sends ICMPv6 Echo Request to `ff02::1` (all-nodes multicast) and collects replies.
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### `capture_router_advertisements(interface, timeout) -> list`
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Sniffs ICMPv6 type 134 (Router Advertisements) and extracts prefix info, DNS servers, and flags.
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### `detect_rogue_ra(ras, known_routers) -> list`
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Compares RA source addresses against a known-router allowlist. Unrecognized sources flagged as rogue.
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### `check_ipv6_firewall() -> dict`
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Runs `ip6tables -L -n` to check for IPv6 firewall rules. Empty ruleset is flagged.
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### `check_tunnel_protocols(interface, timeout) -> dict`
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Sniffs for Teredo (UDP 3544), 6to4 (IP proto 41), and ISATAP tunnel traffic.
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### `generate_assessment(interface, known_routers) -> dict`
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Orchestrates all checks and produces the final assessment report.
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## Scapy Layers Used
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| Layer | Purpose |
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|-------|---------|
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| `ICMPv6ND_RA` | Router Advertisement parsing |
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| `ICMPv6NDOptPrefixInfo` | Prefix information extraction |
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| `ICMPv6NDOptRDNSS` | DNS server option extraction |
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| `ICMPv6EchoRequest` | Multicast host discovery |
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## Output Schema
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```json
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{
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"interface": "eth0",
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"ipv6_hosts_discovered": 15,
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"router_advertisements": [{"src_ip": "fe80::1", "router_lifetime": 1800}],
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"rogue_ras": [],
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"firewall_status": {"rules_count": 0},
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"tunnel_protocols": {"teredo": false},
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"risk_findings": ["HIGH: No ip6tables rules configured"]
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}
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```
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