2025-12-19 13:15:36 赛季特刊

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、关键代码实现代码语言:javascript复制// 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");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、蓝牙地址代码语言:txt复制// 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");

}

}

}

代码语言:txt复制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 buildFakeProps() {

Map 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();

}

}

}BackupParser.java文件:

代码语言:txt复制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 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();

}

}

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