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Unidbg初步学习记录

9月前 作者：凯多233 分类：Toy博客 阅读(31) 违法举报

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一、Unidbg安装和使用

参考：https://www.jianshu.com/p/59e08e48ac20

二、Unidbg案例学习，模拟调用so文件生成京东sign参数

抓包商品详情页，要模拟的是sign参数

Unidbg初步学习记录

先搭建基础框架代码：
package com.kdd.test;

import com.github.unidbg.AndroidEmulator;
import com.github.unidbg.LibraryResolver;
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.memory.Memory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.*;

public class jd_main extends AbstractJni {
    private static final Log log = LogFactory.getLog(AbstractJni.class);
    public static void main (String[] args) throws IOException {
        jd_main RunLDQ =new jd_main();
        RunLDQ.runJni();
        RunLDQ.destroy();
    }

    private void destroy() throws IOException{
        emulator.close();
        System.out.println("destroy");
    }

    private static LibraryResolver createLibraryResolver() {
        return new AndroidResolver(23);
    }

    private static AndroidEmulator createARMEmulator() {
        return AndroidEmulatorBuilder
                .for32Bit()
                .build();
    }

    private final AndroidEmulator emulator;
    private final VM vm;
    private Module module;
    private DvmClass aBitmapkitUtils;

    //初始化
    public jd_main(){
        emulator = createARMEmulator();
        final Memory memory = emulator.getMemory();
        // 设置 sdk版本 23
        memory.setLibraryResolver(createLibraryResolver());

        //使用apk文件加载so的话，会自动处理签名方面的jni，具体可看AbstractJni,利用apk加载的好处，
        vm = emulator.createDalvikVM(new File("F:\\frida_learn_app\\jd\\jd-9.2.2.apk"));

        vm.setJni(this);
        // 是否打印日志
        vm.setVerbose(true);
    }

    public String runJni(){
        //加载apk的so
        DalvikModule dm = vm.loadLibrary("jdbitmapkit", false);
        //调用jni
        dm.callJNI_OnLoad(emulator);
        module = dm.getModule();
        return null;
    }

运行有报错补代码

Unidbg初步学习记录

    @Override
    public DvmObject<?> getStaticObjectField(BaseVM vm, DvmClass dvmClass, String signature) {
        switch (signature) {
            case "com/jingdong/common/utils/BitmapkitUtils->a:Landroid/app/Application;": {
                return vm.resolveClass("android/app/Activity", vm.resolveClass("android/content/ContextWrapper", vm.resolveClass("android/content/Context"))).newObject(null);
            }
        }
        return super.getStaticObjectField(vm, dvmClass, signature);
    }

报错补代码

Unidbg初步学习记录

    @Override
    public DvmObject<?> callObjectMethod(BaseVM vm, DvmObject<?> dvmObject, String signature, VarArg varArg) {
        switch (signature) {
            case "android/app/Application->getPackageName()Ljava/lang/String;": {
                String packageName = vm.getPackageName();
                if (packageName != null) {
                    return new StringObject(vm, packageName);
                }
            }
        }
        throw new UnsupportedOperationException(signature);
    }

报错补代码 

Unidbg初步学习记录

    @Override
    public DvmObject<?> newObject(BaseVM vm, DvmClass dvmClass, String signature, VarArg varArg) {
        switch (signature) {
            case "sun/security/pkcs/PKCS7-><init>([B)V": {
                ByteArray array = varArg.getObjectArg(0);
                return new StringObject(vm, new String(array.getValue()));
            }
        }
        return super.newObject(vm, dvmClass, signature, varArg);
    }
基础环境没报错后，调用签名函数

        //加载so的哪个类
        aBitmapkitUtils = vm.resolveClass("com/jingdong/common/utils/BitmapkitUtils");
        //调用方法
        DvmObject<?> strRc = aBitmapkitUtils.callStaticJniMethodObject(emulator,"getSignFromJni()(Landroid/content/Context;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;",
                vm.addLocalObject(null),
                vm.addLocalObject(new StringObject(vm,"wareBusiness")),
                vm.addLocalObject(new StringObject(vm,"{\"abTest800\":true,\"avoidLive\":false,\"brand\":\"360\",\"cityId\":2144,\"darkModelEnum\":3,\"districtId\":24463,\"eventId\":\"Searchlist_Productid\",\"fromType\":0,\"isDesCbc\":true,\"latitude\":\"26.618816\",\"lego\":true,\"longitude\":\"106.644705\",\"model\":\"1605-A01\",\"ocrFlag\":false,\"pluginVersion\":90220,\"plusClickCount\":0,\"plusLandedFatigue\":0,\"provinceId\":\"24\",\"skuId\":\"10024083045618\",\"source_type\":\"search\",\"source_value\":\"鼠标垫小号\",\"townId\":51707,\"uAddrId\":\"0\"}")),
                vm.addLocalObject(new StringObject(vm,"uuid")),
                vm.addLocalObject(new StringObject(vm,"android")),
                vm.addLocalObject(new StringObject(vm,"9.2.2")));
        System.out.println(strRc.getValue());
        //获取返回值
        return (String) strRc.getValue();
后面有报错也是跟着报错补环境
最后成功运行出结果：

Unidbg初步学习记录

全部代码如下：
package com.kdd.test;

import com.github.unidbg.AndroidEmulator;
import com.github.unidbg.LibraryResolver;
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.Enumeration;
import com.github.unidbg.linux.android.dvm.api.*;
import com.github.unidbg.linux.android.dvm.api.ClassLoader;
import com.github.unidbg.linux.android.dvm.array.ByteArray;
import com.github.unidbg.memory.Memory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.*;
import java.security.MessageDigest;
import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.util.*;

public class jd_main extends AbstractJni {
    private static final Log log = LogFactory.getLog(AbstractJni.class);
    public static void main (String[] args) throws IOException {
        jd_main RunLDQ =new jd_main();
        RunLDQ.runJni(args);
        RunLDQ.destroy();
    }

    private void destroy() throws IOException{
        emulator.close();
        System.out.println("destroy");
    }

    private static LibraryResolver createLibraryResolver() {
        return new AndroidResolver(23);
    }

    private static AndroidEmulator createARMEmulator() {
        return AndroidEmulatorBuilder
                .for32Bit()
                .build();
    }

    private final AndroidEmulator emulator;
    private final VM vm;
    private Module module;
    private DvmClass aBitmapkitUtils;

    //初始化
    public jd_main(){
        emulator = createARMEmulator();
        final Memory memory = emulator.getMemory();
        // 设置 sdk版本 23
        memory.setLibraryResolver(createLibraryResolver());

        //使用apk文件加载so的话，会自动处理签名方面的jni，具体可看AbstractJni,利用apk加载的好处，
        vm = emulator.createDalvikVM(new File("F:\\frida_learn_app\\jd\\jd-9.2.2.apk"));

        vm.setJni(this);
        // 是否打印日志
//        vm.setVerbose(true);
    }

    public String runJni(String[] args){
        //加载apk的so
        DalvikModule dm = vm.loadLibrary("jdbitmapkit", false);
        //调用jni
        dm.callJNI_OnLoad(emulator);
        module = dm.getModule();
        //加载so的哪个类
        aBitmapkitUtils = vm.resolveClass("com/jingdong/common/utils/BitmapkitUtils");
        //调用方法
        DvmObject<?> strRc = aBitmapkitUtils.callStaticJniMethodObject(emulator,"getSignFromJni()(Landroid/content/Context;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;",
                vm.addLocalObject(null),
                vm.addLocalObject(new StringObject(vm,"wareBusiness")),
                vm.addLocalObject(new StringObject(vm,"{\"abTest800\":true,\"avoidLive\":false,\"brand\":\"360\",\"cityId\":2144,\"darkModelEnum\":3,\"districtId\":24463,\"eventId\":\"Searchlist_Productid\",\"fromType\":0,\"isDesCbc\":true,\"latitude\":\"26.618816\",\"lego\":true,\"longitude\":\"106.644705\",\"model\":\"1605-A01\",\"ocrFlag\":false,\"pluginVersion\":90220,\"plusClickCount\":0,\"plusLandedFatigue\":0,\"provinceId\":\"24\",\"skuId\":\"10024083045618\",\"source_type\":\"search\",\"source_value\":\"鼠标垫小号\",\"townId\":51707,\"uAddrId\":\"0\"}")),
                vm.addLocalObject(new StringObject(vm,"uuid")),
                vm.addLocalObject(new StringObject(vm,"android")),
                vm.addLocalObject(new StringObject(vm,"9.2.2")));
        System.out.println(strRc.getValue());
        //获取返回值
        return (String) strRc.getValue();
    }

    @Override
    public DvmObject<?> getStaticObjectField(BaseVM vm, DvmClass dvmClass, String signature) {
        switch (signature) {
            case "com/jingdong/common/utils/BitmapkitUtils->a:Landroid/app/Application;": {
                return vm.resolveClass("android/app/Activity", vm.resolveClass("android/content/ContextWrapper", vm.resolveClass("android/content/Context"))).newObject(null);
            }
        }
        return super.getStaticObjectField(vm, dvmClass, signature);
    }

    @Override
    public DvmObject<?> newObject(BaseVM vm, DvmClass dvmClass, String signature, VarArg varArg) {
        switch (signature) {
            case "sun/security/pkcs/PKCS7-><init>([B)V": {
                ByteArray array = varArg.getObjectArg(0);
                return new StringObject(vm, new String(array.getValue()));
            }
        }
        return super.newObject(vm, dvmClass, signature, varArg);
    }

    @Override
    public DvmObject<?> callObjectMethod(BaseVM vm, DvmObject<?> dvmObject, String signature, VarArg varArg) {
        switch (signature) {
            case "android/app/Application->getPackageName()Ljava/lang/String;": {
                String packageName = vm.getPackageName();
                if (packageName != null) {
                    return new StringObject(vm, packageName);
                }
            }
        }
        throw new UnsupportedOperationException(signature);
    }

    @Override
    public DvmObject<?> newObjectV(BaseVM vm, DvmClass dvmClass, String signature, VaList vaList) {
        switch (signature) {
            case "java/lang/StringBuffer-><init>()V":{
                return vm.resolveClass("java/lang/StringBuffer").newObject(new StringBuffer());
            }
            case "java/lang/Integer-><init>(I)V" :{
                return vm.resolveClass("java/lang/Integer").newObject(new Integer(vaList.getIntArg(0)));
            }
        }
        throw new UnsupportedOperationException(signature);
    }

    @Override
    public DvmObject<?> callObjectMethodV(BaseVM vm, DvmObject<?> dvmObject, String signature, VaList vaList) {
        switch (signature) {
            case "android/app/Application->getAssets()Landroid/content/res/AssetManager;":
                return new AssetManager(vm, signature);
            case "android/app/Application->getClassLoader()Ljava/lang/ClassLoader;":
                return new ClassLoader(vm, signature);
            case "android/app/Application->getContentResolver()Landroid/content/ContentResolver;":
                return vm.resolveClass("android/content/ContentResolver").newObject(signature);
            case "java/util/ArrayList->get(I)Ljava/lang/Object;": {
                int index = vaList.getIntArg(0);
                ArrayListObject arrayList = (ArrayListObject) dvmObject;
                return arrayList.getValue().get(index);
            }
            case "android/app/Application->getSystemService(Ljava/lang/String;)Ljava/lang/Object;": {
                StringObject serviceName = vaList.getObjectArg(0);
                assert serviceName != null;
                return new SystemService(vm, serviceName.getValue());
            }
            case "java/lang/String->toString()Ljava/lang/String;":
                return dvmObject;
            case "java/lang/Class->getName()Ljava/lang/String;":
                return new StringObject(vm, ((DvmClass) dvmObject).getName());
            case "android/view/accessibility/AccessibilityManager->getEnabledAccessibilityServiceList(I)Ljava/util/List;":
                return new ArrayListObject(vm, Collections.<DvmObject<?>>emptyList());
            case "java/util/Enumeration->nextElement()Ljava/lang/Object;":
                return ((Enumeration) dvmObject).nextElement();
            case "java/util/Locale->getLanguage()Ljava/lang/String;":
                Locale locale = (Locale) dvmObject.getValue();
                return new StringObject(vm, locale.getLanguage());
            case "java/util/Locale->getCountry()Ljava/lang/String;":
                locale = (Locale) dvmObject.getValue();
                return new StringObject(vm, locale.getCountry());
            case "android/os/IServiceManager->getService(Ljava/lang/String;)Landroid/os/IBinder;": {
                ServiceManager serviceManager = (ServiceManager) dvmObject;
                StringObject serviceName = vaList.getObjectArg(0);
                assert serviceName != null;
                return serviceManager.getService(vm, serviceName.getValue());
            }
            case "java/io/File->getAbsolutePath()Ljava/lang/String;":
                File file = (File) dvmObject.getValue();
                return new StringObject(vm, file.getAbsolutePath());
            case "android/app/Application->getPackageManager()Landroid/content/pm/PackageManager;":
            case "android/content/ContextWrapper->getPackageManager()Landroid/content/pm/PackageManager;":
            case "android/content/Context->getPackageManager()Landroid/content/pm/PackageManager;":
                DvmClass clazz = vm.resolveClass("android/content/pm/PackageManager");
                return clazz.newObject(signature);
            case "android/content/pm/PackageManager->getPackageInfo(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;": {
                StringObject packageName = vaList.getObjectArg(0);
                assert packageName != null;
                int flags = vaList.getIntArg(1);
                if (log.isDebugEnabled()) {
                    log.debug("getPackageInfo packageName=" + packageName.getValue() + ", flags=0x" + Integer.toHexString(flags));
                }
                return new PackageInfo(vm, packageName.getValue(), flags);
            }
            case "android/app/Application->getPackageName()Ljava/lang/String;":
            case "android/content/ContextWrapper->getPackageName()Ljava/lang/String;":
            case "android/content/Context->getPackageName()Ljava/lang/String;": {
                String packageName = vm.getPackageName();
                if (packageName != null) {
                    return new StringObject(vm, packageName);
                }
                break;
            }
            case "android/content/pm/Signature->toByteArray()[B":
                if (dvmObject instanceof Signature) {
                    Signature sig = (Signature) dvmObject;
                    return new ByteArray(vm, sig.toByteArray());
                }
                break;
            case "android/content/pm/Signature->toCharsString()Ljava/lang/String;":
                if (dvmObject instanceof Signature) {
                    Signature sig = (Signature) dvmObject;
                    return new StringObject(vm, sig.toCharsString());
                }
                break;
            case "java/lang/String->getBytes()[B": {
                String str = (String) dvmObject.getValue();
                return new ByteArray(vm, str.getBytes());
            }
            case "java/lang/String->getBytes(Ljava/lang/String;)[B":
                String str = (String) dvmObject.getValue();
                StringObject charsetName = vaList.getObjectArg(0);
                assert charsetName != null;
                try {
                    return new ByteArray(vm, str.getBytes(charsetName.getValue()));
                } catch (UnsupportedEncodingException e) {
                    throw new IllegalStateException(e);
                }
            case "java/lang/Integer->toString()Ljava/lang/String;":{
                Integer iUse =  (Integer)dvmObject.getValue();
                return new StringObject(vm, Integer.toString(iUse));
            }
            case "java/lang/StringBuffer->toString()Ljava/lang/String;":{
                StringBuffer str1 = (StringBuffer) dvmObject.getValue();
                return new StringObject(vm,str1.toString());
            }
            case "java/lang/StringBuffer->append(Ljava/lang/String;)Ljava/lang/StringBuffer;": {
                StringBuffer str1 = (StringBuffer) dvmObject.getValue();
                StringObject serviceName = vaList.getObjectArg(0);
                assert serviceName != null;
                return vm.resolveClass("java/lang/StringBuffer").newObject(str1.append(serviceName.getValue()));
            }
            case "java/security/cert/CertificateFactory->generateCertificate(Ljava/io/InputStream;)Ljava/security/cert/Certificate;":
                CertificateFactory factory = (CertificateFactory) dvmObject.getValue();
                DvmObject<?> stream = vaList.getObjectArg(0);
                assert stream != null;
                InputStream inputStream = (InputStream) stream.getValue();
                try {
                    return vm.resolveClass("java/security/cert/Certificate").newObject(factory.generateCertificate(inputStream));
                } catch (CertificateException e) {
                    throw new IllegalStateException(e);
                }
            case "java/security/cert/Certificate->getEncoded()[B": {
                Certificate certificate = (Certificate) dvmObject.getValue();
                try {
                    return new ByteArray(vm, certificate.getEncoded());
                } catch (CertificateEncodingException e) {
                    throw new IllegalStateException(e);
                }
            }
            case "java/security/MessageDigest->digest([B)[B": {
                MessageDigest messageDigest = (MessageDigest) dvmObject.getValue();
                ByteArray array = vaList.getObjectArg(0);
                assert array != null;
                return new ByteArray(vm, messageDigest.digest(array.getValue()));
            }
            case "java/util/ArrayList->remove(I)Ljava/lang/Object;": {
                int index = vaList.getIntArg(0);
                ArrayListObject list = (ArrayListObject) dvmObject;
                return list.getValue().remove(index);
            }
            case "java/util/List->get(I)Ljava/lang/Object;":
                List<?> list = (List<?>) dvmObject.getValue();
                return (DvmObject<?>) list.get(vaList.getIntArg(0));
            case "java/util/Map->entrySet()Ljava/util/Set;":
                Map<?, ?> map = (Map<?, ?>) dvmObject.getValue();
                return vm.resolveClass("java/util/Set").newObject(map.entrySet());
            case "java/util/Set->iterator()Ljava/util/Iterator;":
                Set<?> set = (Set<?>) dvmObject.getValue();
                return vm.resolveClass("java/util/Iterator").newObject(set.iterator());
        }

        throw new UnsupportedOperationException(signature);
    }
}

三、打包成jar，方便其它程序调用

IDEA 找到 File → Project Structure …​ 然后选择 Artifacts, 点加号 Add 
如图配置，勾上 Include tests

Unidbg初步学习记录

点击ok后
Build → Build Artifacts进行编译
编译成功后会生成很多jar文件

Unidbg初步学习记录

在控制台测试运行下
 java -jar unidbg-master.jar

Unidbg初步学习记录

运行出了结果，证明打包的没问题

Unidbg初步学习记录

四、进行python调用打包的jar包

# coding:utf-8
import requests, urllib, subprocess
import chardet, jpype,os

headers = {
    "Host": "api.m.jd.com",
    "charset": "UTF-8",
    "cache-control": "no-cache",
    "content-type": "application/x-www-form-urlencoded; charset=UTF-8",
    "user-agent": "okhttp/3.12.1"
}
cookies = {
}
url = "https://api.m.jd.com/client.action"
params = {
    "functionId": "wareBusiness",
    "clientVersion": "9.2.2",
    "build": "85371",
    "client": "android",
    "d_brand": "360",
    "d_model": "1605-A01",
    "osVersion": "6.0.1",
    "screen": "1920*1080",
    "partner": "ks012",
    "aid": "xxx",
    "oaid": "",
    "eid": "xxx",
    "sdkVersion": "23",
    "lang": "zh_CN",
    "uuid": "xxx",
    "area": "24_2144_2149_21104",
    "networkType": "wifi",
    "wifiBssid": "xxx",
    # "st": "1665562015795",
    # "sign": "45a7dc3f547be113a6a4dfa942e190c6",
    # "sv": "111"
}
body = '''{"abTest800":true,"avoidLive":false,"brand":"360","cityId":2144,"darkModelEnum":3,"districtId":24463,"eventId":"Searchlist_Productid","fromType":0,"isDesCbc":true,"latitude":"","lego":true,"longitude":"","model":"1605-A01","ocrFlag":false,"pluginVersion":90220,"plusClickCount":0,"plusLandedFatigue":0,"provinceId":"24","skuId":"10024083045618","source_type":"search","source_value":"鼠标垫小号","townId":51707,"uAddrId":"0"}'''
data = {
    "lmt": "0",
    "body": body,
    "": ""
}
jvmPath=jpype.getDefaultJVMPath()
d='unidbg_master_jar2/unidbg-master.jar'#对应jar地址
jpype.startJVM(jvmPath,"-ea","-Djava.class.path="+d+"")

JDClass=jpype.JClass("com.kdd.test.runliudq")  //类目
jd=JDClass()
signature=jd.runJni(["wareBusiness", body, "uuid", "android", "9.2.2"])

url = url + "?" + urllib.parse.urlencode(params) + "&" + str(signature)
print(url)
response = requests.post(url, headers=headers, cookies=cookies, data=data)

print(response.text)
print(response)
jpype.shutdownJVM()

 成功跑出结果Unidbg初步学习记录

总结

这个案例网上有很多，适合入门哈哈文章来源地址https://www.toymoban.com/news/detail-401936.html

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