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20251016.md
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20251016.md
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## 新建目录
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```
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sudo mkdir -p /hook/java /hook/jdk21
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```
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## 上传文件
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- JDK解压到 /hook/jdk21 目录下 ⚠️确保 /hook/jdk21 目录下包含 /bin 目录
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- 将 TShark.java 上传到 /hook/java 目录下
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## 修改 TShark.java 文件中的一行
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##### 找到 **startSharkProcess** 函数
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```java
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public static Process startSharkProcess() throws IOException {
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List<String> cmd = List.of(
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"tshark",
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"-l",
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"-i",
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// 把这一行网卡名称,替换成正确的网卡名称,下面这个是我自己电脑上的网卡名称
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"\\Device\\NPF_{807C63AC-179D-4AC8-BD56-85CE8AA179DB}",// 修改后应该是:"ethxxx",
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"-Y",
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"tcp.port == 33000 && http.request.method == \"POST\"",
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"-V"
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);
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ProcessBuilder processBuilder = new ProcessBuilder(cmd);
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processBuilder.redirectErrorStream(true);
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return processBuilder.start();
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}
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```
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##### 查本机IP网卡的命令
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```
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ip a
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```
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## 创建一个 shell 脚本,用于后台运行 java 脚本
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##### 创建脚本
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```
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vi /hook/tshark_bash.sh
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```
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##### 复制粘贴下面内容然后保存
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```bash
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#!/bin/bash
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export JAVA_HOME=/hook/jdk21
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export PATH=$JAVA_HOME/bin:$PATH
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export CLASSPATH=.:$JAVA_HOME/lib
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java /hook/java/TShark.java
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```
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##### 赋予执行权限
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```
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sudo chmod +x /hook/tshark_bash.sh
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```
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##### 后台运行
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```
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sudo nohup bash /hook/tshark_bash.sh >> /hook/tshark_bash.log 2>&1 & echo $! > /hook/tshark_bash.pid
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```
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#### 停止运行
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```
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kill -9 $(cat /hook/tshark_bash.pid)
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```
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