frida 报错，找不到类

我想找个女朋友 发表于 2022-5-30 15:05

本帖最后由我想找个女朋友于 2022-5-30 15:09 编辑

求助大神，一个很简单的demo, frida愣是报错Didn't find class，网上也搜不到办法。
环境：
电脑操作系统：win10
手机：redmi k30 pro, 已 root ,没解锁system分区，android 12,miui 13,usb连接电脑
frida 版本：
windows 上
frida                            15.1.22
frida-tools                      10.6.2
手机上frida-server-15.1.22-android-arm64

apk 是我用 android studio 初始化的一个Hello world 项目，没动过
代码如下
AndroidManifist.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="gg.aa">

<application
   android:allowBackup="true"
   android:debuggable="true"
   android:icon="@mipmap/ic_launcher"
   android:label="@string/app_name"
   android:roundIcon="@mipmap/ic_launcher_round"
   android:supportsRtl="true"
   android:theme="@style/Theme.Demo"
   tools:ignore="HardcodedDebugMode">
   <activity
         android:name=".MainActivity"
         android:exported="true">
         <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
         </intent-filter>
   </activity>
</application>

</manifest>

gg\aa\MainActivity.java
package gg.aa;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_main);
}
}

frida 的 js 脚本：
hello.js, 就只是获取了一下主类
function main() {
console.log("script load success")
var MainActivity = Java.use('gg.aa.MainActivity')

}

setImmediate(main)

操作：
frida-server 在手机上启动了，启动app，
执行 frida -UF -l hello.js
报错script load successError: java.lang.ClassNotFoundException: Didn't find class "gg.aa.MainActivity" on path: DexPathList[,nativeLibraryDirectories=]
at <anonymous> (frida/node_modules/frida-java-bridge/lib/env.js:124)
at <anonymous> (frida/node_modules/frida-java-bridge/lib/env.js:115)
at apply (native)
at <anonymous> (frida/node_modules/frida-java-bridge/lib/env.js:97)
at <anonymous> (frida/node_modules/frida-java-bridge/lib/class-factory.js:429)
at value (frida/node_modules/frida-java-bridge/lib/class-factory.js:813)
at _make (frida/node_modules/frida-java-bridge/lib/class-factory.js:112)
at use (frida/node_modules/frida-java-bridge/lib/class-factory.js:63)
at use (frida/node_modules/frida-java-bridge/index.js:246)
at main (/hook_zuiyou.js:4)
at apply (native)
at <anonymous> (frida/runtime/core.js:51)

报错截图

adb shell 执行 frida-server

app 截图

我想找个女朋友 发表于 2022-5-30 15:56

已经找到原因了，忘了带 Java.perform(),
好像没有删帖的功能呢

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frida 报错，找不到类