feat(cybersecurity): 8 IoC regex extractors + extract_iocs pipeline puro
Extractores nuevos en python/functions/cybersecurity/: - extract_ip_addresses (IPv4 + IPv6 con validacion ipaddress) - extract_emails (RFC 5322 simplificado) - extract_domains (FQDNs con TLD valido, lista estatica) - extract_file_hashes (MD5/SHA1/SHA256/SHA512, algoritmo por longitud) - extract_crypto_wallets (BTC legacy + bech32, ETH 0x+40hex) - extract_cve_ids (CVE-YYYY-NNNN+) - extract_mac_addresses (xx:xx:xx + xx-xx-xx, separador uniforme) - extract_phone_numbers (E.164 + ES local 9 digitos) Pipeline: - extract_iocs corre todos, deduplica spans contenidos. Mantiene purity:pure (kind:function con uses_functions no vacio) porque la regla del registry exige que los pipelines sean impuros. Todas devuelven list[dict] con value/start/end/type para que el caller (issues 0038-0040) pueda reconciliar offsets con spans NER sin reparsing. Refs #0037 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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---
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name: extract_mac_addresses
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kind: function
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lang: py
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domain: cybersecurity
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version: "1.0.0"
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purity: pure
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signature: "def extract_mac_addresses(text: str) -> list[dict]"
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description: "Extrae direcciones MAC en formato `xx:xx:xx:xx:xx:xx` o con guiones (`-`) de un texto, con offsets. Acepta hex en cualquier caso. Rechaza separadores mezclados."
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tags: [ioc, mac, network, regex, extract, cybersecurity, python]
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uses_functions: []
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uses_types: []
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returns: []
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returns_optional: false
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error_type: ""
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imports: [re]
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params:
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- name: text
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desc: "string de texto del que extraer MAC addresses"
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output: "lista de dicts con {value, start, end, type='mac_address'} por cada MAC encontrada"
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tested: true
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tests:
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- "MAC con dos puntos"
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- "MAC con guiones"
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- "Separadores mezclados se rechazan"
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test_file_path: "python/functions/cybersecurity/tests/test_extract_iocs.py"
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file_path: "python/functions/cybersecurity/extract_mac_addresses.py"
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---
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## Ejemplo
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```python
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extract_mac_addresses("router 00:1A:2B:3C:4D:5E and AA-BB-CC-DD-EE-FF")
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# [{"value": "00:1A:2B:3C:4D:5E", ..., "type": "mac_address"},
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# {"value": "AA-BB-CC-DD-EE-FF", ..., "type": "mac_address"}]
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```
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## Notas
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Cada direccion debe usar un solo separador (todos `:` o todos `-`). No se valida OUI ni se distingue unicast/multicast. Para extraer la parte de fabricante OUI: tomar los primeros 6 hex chars del `value` y consultar registro IEEE.
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