# OSINT & External

Antes de tocar la infraestructura del cliente, debemos saber TODO lo que está expuesto públicamente.

## 1. ASN / Bloques de IP

Si el cliente es una empresa grande, tendrá sus propios bloques IP.

* **Target**: `bgp.he.net`
* **Herramienta**: `amass intel -asn <ASN_ID>`

## 2. Certificate Transparency

Los logs de certificados SSL son una mina de oro para encontrar subdominios olvidados.

* **Sitio**: [crt.sh](https://crt.sh/)
* **Query**: `%.target.com`

## 3. Google Dorking Profesional

No busques solo "login". Busca fallos de configuración y archivos sensibles exportados.

| Dork                                            | Propósito             |
| ----------------------------------------------- | --------------------- |
| \`site:target.com ext:xml                       | ext:conf              |
| `site:target.com "index of /" parent directory` | Directory Listing     |
| \`site:target.com inurl:admin                   | inurl:login           |
| `site:pastebin.com "target.com"`                | Fugas de credenciales |

## 4. Email Harvesting & Breach Data

* **theHarvester**: `theHarvester -d target.com -b all`
* **Credenciales por defecto**: Si encuentras un panel de administración, SIEMPRE prueba `admin:admin`, `root:system`, etc.

## 5. Cloud Recon

Enumerar buckets S3 públicos o blobs de Azure.

* **Herramientas**: `cloud_enum`, `lazys3`
* **Patrones**: `target-backup`, `target-dev`, `target-assets`


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