安卓全息备份一键新机, 安卓手机一键备份免ROOT,实现改机过检测【仅供学习参考】

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声明:仅供学习参考

一、技术原理概述
通过Android Backup Service API实现免ROOT备份,结合虚拟环境技术修改设备指纹参数。核心是通过备份文件解析/重构实现"数字克隆",关键技术点包括:

利用ADB备份命令获取应用数据
修改备份包中的设备特征参数
通过虚拟化技术隔离真实硬件信息
二、关键代码实现
// 备份命令执行(需开启USB调试)
`Process backupProcess = Runtime.getRuntime().exec(
"adb backup -f /sdcard/backup.ab -apk -shared -all"
);

// 备份包解析(使用AndroidBackupExtractor)
ABE.unpack("backup.ab", "backup.tar", "password");

// 修改设备指纹参数(示例修改build.prop)
File buildProp = new File("backup.tar/system/build.prop");
modifyProperty(buildProp, "ro.serialno", generateRandomSerial());
modifyProperty(buildProp, "ro.build.fingerprint", "custom/fingerprint");

// 重打包备份文件
ABE.pack("modified.tar", "new_backup.ab", "password");
AI写代码

三、设备特征修改方案
建议修改的关键参数包括:

基础信息:IMEI、MAC地址、Android ID
硬件参数:CPU序列号、传感器校准数据
系统特征:Build指纹、安全补丁日期
网络信息:SSID历史、蓝牙地址
// 太极Xposed模块入口
public class VirtualBackup implements IXposedHookLoadPackage {
private static final String TAG = "VirtualBackup";

@Override 
public void handleLoadPackage(XC_LoadPackage.LoadPackageParam lpparam) {
    if (lpparam.packageName.equals("android")) {
        // 劫持备份服务
        XposedHelpers.findAndHookMethod(
            "android.app.backup.BackupManager",
            lpparam.classLoader,
            "dataChanged",
            String.class,
            new XC_MethodHook() {
                @Override
                protected void beforeHookedMethod(MethodHookParam param) {
                    String pkg = (String) param.args[0];
                    Log.d(TAG, "拦截备份请求: " + pkg);
                    modifyBackupData(pkg); // 修改备份数据流
                }
            });
    }
}

private void modifyBackupData(String pkg) {
    // 设备指纹修改逻辑
    if (pkg.equals("android")) {
        SystemProperties.set("ro.serialno", generateFakeSerial());
        SystemProperties.set("ro.build.fingerprint", "google/coral/coral:12/SP2A.220405.004/7735030:user/release-keys");
    }
}

}
class DeviceSpoof {
// 生成随机设备特征
public static String generateFakeSerial() {
return String.format("%016x", new SecureRandom().nextLong());
}

// 构建伪造的Build属性
public static Map<String, String> buildFakeProps() {
    Map<String, String> props = new HashMap<>();
    props.put("ro.product.model", "Pixel 6");
    props.put("ro.product.manufacturer", "Google");
    props.put("ro.build.version.security_patch", "2025-05-05");
    return props;
}

// ADB备份命令封装
public static void execBackupCommand(String outputPath) {
    try {
        Runtime.getRuntime().exec(new String[]{
            "adb", "backup", 
            "-f", outputPath,
            "-apk", "-shared", "-all",
            "-system" // 包含系统数据
        });
    } catch (IOException e) {
        e.printStackTrace();
    }
}

}
AI写代码

BackupParser.java文件:

`public class BackupParser {
public static void unpackBackup(String abFile, String tarFile) {
try {
AndroidBackupExtractor.extractTar(
new FileInputStream(abFile),
new FileOutputStream(tarFile)
);
} catch (Exception e) {
throw new RuntimeException("备份解析失败", e);
}
}

public static void modifyBuildProp(File tarFile) {
    TarArchiveInputStream tis = null;
    TarArchiveOutputStream tos = null;
    try {
        // 实现build.prop的实时修改
        tis = new TarArchiveInputStream(new FileInputStream(tarFile));
        tos = new TarArchiveOutputStream(new FileOutputStream("modified_" + tarFile.getName()));
        
        TarArchiveEntry entry;
        while ((entry = tis.getNextTarEntry()) != null) {
            if (entry.getName().endsWith("build.prop")) {
                modifyEntry(tis, tos, entry);
            } else {
                tos.putArchiveEntry(entry);
                IOUtils.copy(tis, tos);
                tos.closeArchiveEntry();
            }
        }
    } finally {
        IOUtils.closeQuietly(tis);
        IOUtils.closeQuietly(tos);
    }
}

private static void modifyEntry(InputStream is, 
                              TarArchiveOutputStream tos,
                              TarArchiveEntry entry) {
    // 具体修改逻辑
    List<String> lines = IOUtils.readLines(is, "UTF-8");
    lines.replaceAll(line -> 
        line.startsWith("ro.serialno") ? 
        "ro.serialno=" + DeviceSpoof.generateFakeSerial() : line);
    
    TarArchiveEntry newEntry = new TarArchiveEntry(entry);
    tos.putArchiveEntry(newEntry);
    IOUtils.writeLines(lines, "\n", tos, "UTF-8");
    tos.closeArchiveEntry();
}

}

posted @ 2025-06-11 10:02  爷很困扰  阅读(108)  评论(0)    收藏  举报