unidbg-boss-getPackagesForUid(I)补签名环境-Toy模板网

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unidbg-boss-getPackagesForUid(I)补签名环境,Unidbg大杀器,android,java,android studio 文章来源地址https://www.toymoban.com/news/detail-516504.html

package com.dta.lesson33;

import com.github.unidbg.AndroidEmulator;
import com.github.unidbg.Module;
import com.github.unidbg.linux.android.AndroidEmulatorBuilder;
import com.github.unidbg.linux.android.AndroidResolver;
import com.github.unidbg.linux.android.dvm.*;
import com.github.unidbg.linux.android.dvm.array.ArrayObject;
import com.github.unidbg.linux.android.dvm.array.ByteArray;
import com.github.unidbg.memory.Memory;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.security.MessageDigest;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;


public class MainActivity extends AbstractJni {
    private final AndroidEmulator emulator;
    private final VM vm;
    private final Memory memory;
    private final Module module;

    public MainActivity(){
        emulator = AndroidEmulatorBuilder
                .for32Bit()
                //.setRootDir(new File("target/rootfs/default"))
                //.addBackendFactory(new DynarmicFactory(true))
                .build();

        memory = emulator.getMemory();
        memory.setLibraryResolver(new AndroidResolver(23));

        vm = emulator.createDalvikVM(new File("unidbg-android/src/test/java/com/dta/lesson33/boss_last.apk"));
        vm.setVerbose(true);
        vm.setJni(this);

        DalvikModule dalvikModule = vm.loadLibrary(new File("unidbg-android/src/test/java/com/dta/lesson33/libyzwg.so"), false);
        module = dalvikModule.getModule();

        vm.callJNI_OnLoad(emulator,module);
    }



    public static void main(String[] args) {
        long start = System.currentTimeMillis();
        MainActivity mainActivity = new MainActivity();
        System.out.println("load the vm "+( System.currentTimeMillis() - start )+ "ms");
    }

    @Override
    public DvmObject<?> getStaticObjectField(BaseVM vm, DvmClass dvmClass, String signature) {
        if (signature.equals("com/twl/signer/YZWG->gContext:Landroid/content/Context;")){
            return vm.resolveClass("android/content/Context").newObject(null);
        }
        return super.getStaticObjectField(vm, dvmClass, signature);
    }

    @Override
    public DvmObject<?> callObjectMethod(BaseVM vm, DvmObject<?> dvmObject, String signature, VarArg varArg) {
        if (signature.equals("android/content/pm/PackageManager->getPackagesForUid(I)[Ljava/lang/String;")){
            int uid = varArg.getIntArg(0);
            System.err.println("uid:"+uid);
            return new ArrayObject(new StringObject(vm, vm.getPackageName()));
        }
        return super.callObjectMethod(vm, dvmObject, signature, varArg);
    }

    @Override
    public int callIntMethod(BaseVM vm, DvmObject<?> dvmObject, String signature, VarArg varArg) {
        if (signature.equals("java/lang/String->hashCode()I")){
            String s = dvmObject.getValue().toString();
            int hash = s.hashCode();
            return hash;
        }
        return super.callIntMethod(vm, dvmObject, signature, varArg);
    }
}