Android逆向之路---Faceu的登陆功能真的只提交了用户名和密码吗

时间  2019-11-17
标签 android 逆向 之路 faceu 登陆 功能 提交 用户名 密码 栏目 Android 繁體版
原文   原文链接

问题

几乎99%的软件都有登陆功能，而登陆这一个动做真的将咱们的用户名和密码上传到了服务器吗，会不会有我的隐私呢。根据咱们这个问题，咱们用FaceU这个软件，逆向来看看他的登陆功能到底都传了什么数据。php

准备工做

首先下载faceu的APK，具体下载地址你们能够去各大应用市场，我下载的版本是v2.2.6。java

须要的工具

  • apktool (拆包APK用)
  • dex2jar (反编译dex文件用)

须要的工具下载地址：github.com/hanhan12312…android

拆包

首先，咱们利用apktool拆包apk，执行命令git

apktool d faceu.apk
复制代码

这样在当前文件夹就获得了一个faceu的文件夹。程序员

定位代码

咱们打开Faceu软件，点击下面的已有帐号在此登陆，而后弹出来登陆界面，如图所示

咱们利用字符串搜索法，这个页面的注册的EditText的hint字为"Faceu号/手机号"，咱们搜索res文件夹内全部文件的内容，搜索此关键字找到两处，位置都在res/values/strings.xml文件内github

strings.xmlshell

<string name="str_account_hint">Faceu号 / 手机号</string>
<string name="str_search_user">Faceu号/手机号</string>

复制代码

根据name咱们也能知道，account_hint是帐号的输入框，而另外一个是用于搜索的。 咱们知道一个布局文件确定有用到过这个值。因此咱们在工程内搜索"str_account_hint"，但是结果却发现只有两处引用到，如图
json

这里写图片描述
看来faceu的程序员们是没有在布局中引用，那就有可能在java代码内引用到，那就去看看"str_account_hint"在代码对应的值是多少。
紧接着咱们顺着str_account_hint这个名字在res/values/public.xml文件内搜索"str_account_hint"，public.xml是在编译期间生成的文字对应编译后资源的id。
public.xml 

<public type="string" name="str_account_hint" id="0x7f070047" />
复制代码

由此咱们能够看出在java代码内对应的是0x7f070047。所以咱们再次在代码里面搜索0x7f070047试试。 找到了引用到这个常量的地方。api

在文件com/lemon/faceu/login/b内bash

 const v2, 0x7f070047

    invoke-virtual {v1, v2}, Landroid/content/res/Resources;->getString(I)Ljava/lang/String;

    move-result-object v1

    invoke-virtual {v0, v1}, Lcom/lemon/faceu/uimodule/view/AccountEditText->setHintText(Ljava/lang/String;)V

复制代码

熟悉smali语法的话，咱们可以读懂，这个翻译成Java代码其实就是

String v1 = context.getString(0x7f070047);
    editText.setHintText(v1);
复制代码

目的是找到到这个字符串。

到此为止咱们分析一下当前的类是个什么类，是个Activity?Fragment?仍是自定义View。

咱们找到当前页面网上翻几行，看看还有没有用到什么别的资源id,找到了以下代码

 const v0, 0x7f0e026e

    invoke-virtual {p1, v0}, Landroid/view/View;->findViewById(I)Landroid/view/View;

    move-result-object v0

    check-cast v0, Lcom/lemon/faceu/uimodule/view/PasswordEditText;

    iput-object v0, p0, Lcom/lemon/faceu/login/b;->bpP:Lcom/lemon/faceu/uimodule/view/PasswordEditText;


复制代码

很明显，这个凭借PasswordEditText名称咱们也能发现他就是密码输入的EditText
翻译成java代码

PasswordEditText v0 = (PasswordEditText)this.findViewById(0x7f0e026e);
    this.bpP = v0;
复制代码

根据这一句话咱们在public.xml里面找到对应的xml

<public type="id" name="cet_login_password" id="0x7f0e026e" />
复制代码

而后咱们再看看有没有布局文件引用到了cet_login_password，因而找到了4处

cet_login_password

咱们进入fragment_login.xml发现他只有登陆页面的上半部分。却没有下面的取消和确认按钮。能够猜想他并非Activity,Fragment，由于没有标志性的onCreate方法，父类最终也没有找到Activity，Fragment等。极可能是一个负责处理业务的类。

可是咱们知道了当前的成员变量bpP就是对应的密码的EditText了，那么看看都哪里调用这个bpP了。
经过对当前类分析，我最终找到了Lu方法里面对应到了登陆按钮的。

逆向登陆代码，查看传递参数

通过一番努力总算找到了登陆界面，登陆代码，如今咱们进行分析，而且加入一段咱们本身的代码，进行二次打包。
下面是分析详解

Lcom/lemon/faceu/login/b;

 .method Lu()V
 .locals 4

 .prologue
 .line 216
    invoke-virtual {p0}, Lcom/lemon/faceu/login/b;->Ls()Z
    #检测用户名是否合法

    move-result v0
    #若是不合法就返回

    if-eqz v0, :cond_0

    invoke-virtual {p0}, Lcom/lemon/faceu/login/b;->Lt()Z
    #检测密码是否合法

    move-result v0
    #若是不合法就返回

    if-nez v0, :cond_1

 .line 241
    :cond_0
    :goto_0
    return-void 
 .line 220
    :cond_1
    invoke-virtual {p0}, Lcom/lemon/faceu/login/b;->Uv()V

 .line 222
    const-string v0, "LoginFragment"

    const-string v1, "startLogin"

    invoke-static {v0, v1}, Lcom/lemon/faceu/sdk/utils/c;->i(Ljava/lang/String;Ljava/lang/String;)V
    #调用Faceu本身的统计打点方法

 .line 223
    iget-object v0, p0, Lcom/lemon/faceu/login/b;->bpO:Lcom/lemon/faceu/uimodule/view/AccountEditText;

    invoke-virtual {v0}, Lcom/lemon/faceu/uimodule/view/AccountEditText;->getAccount()Ljava/lang/String;

    move-result-object v0
    #调用AccountEditText的getAccount方法，并将用户户名存入v0 

    iput-object v0, p0, Lcom/lemon/faceu/login/b;->aAS:Ljava/lang/String;
    #将aAs赋值为用户名

 .line 224
    iget-object v0, p0, Lcom/lemon/faceu/login/b;->bpP:Lcom/lemon/faceu/uimodule/view/PasswordEditText;

    invoke-virtual {v0}, Lcom/lemon/faceu/uimodule/view/PasswordEditText;->getEditText()Landroid/widget/EditText;

    move-result-object v0

    invoke-virtual {v0}, Landroid/widget/EditText;->getText()Landroid/text/Editable;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/Object;->toString()Ljava/lang/String;

    move-result-object v0
    #将密码从bpP取出来，并取出String类型的密码复制给v0

 .line 227
    invoke-static {}, Lcom/lemon/faceu/common/e/a;->xJ()Lcom/lemon/faceu/common/e/a;

    move-result-object v1

    iget-object v2, p0, Lcom/lemon/faceu/login/b;->aAS:Ljava/lang/String;

    invoke-virtual {v1, v2}, Lcom/lemon/faceu/common/e/a;->setAccount(Ljava/lang/String;)V
    #将如今的用户名存入sharedprefence，以便于记住用户名下次直接显示

 .line 229
    new-instance v1, Ljava/util/HashMap;
    #new一个HashMap存储进v1

    invoke-direct {v1}, Ljava/util/HashMap;-><init>()V
    #初始化v1

 .line 230
    const-string v2, "account"

    iget-object v3, p0, Lcom/lemon/faceu/login/b;->aAS:Ljava/lang/String;

    invoke-interface {v1, v2, v3}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    #将用户名存入HashMap


 .line 231
    const-string v2, "pwd"

    invoke-static {v0}, Lcom/lemon/faceu/common/i/g;->bS(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    invoke-interface {v1, v2, v0}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    #将密码调用bS方法加密而且存入map

 .line 232
    const-string v0, "councode"

    const-string v2, "86"

    invoke-interface {v1, v0, v2}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    #国家编号86，存入map

 .line 233
    const-string v0, "manufacture"

    sget-object v2, Landroid/os/Build;->MANUFACTURER:Ljava/lang/String;

    invoke-interface {v1, v0, v2}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    #将厂商信息存入map

 .line 234
    const-string v0, "model"

    sget-object v2, Landroid/os/Build;->MODEL:Ljava/lang/String;

    invoke-interface {v1, v0, v2}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    #将model信息存入map

 .line 235
    const-string v0, "version"

    sget v2, Lcom/lemon/faceu/common/d/b;->aAL:I

    invoke-static {v2}, Ljava/lang/String;->valueOf(I)Ljava/lang/String;

    move-result-object v2

    invoke-interface {v1, v0, v2}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    #将软件版本信息存入map

 .line 236
    const-string v0, "deviceinfo"

    invoke-static {}, Lcom/lemon/faceu/common/b/a;->xt()Lorg/json/JSONObject;

    move-result-object v2
    #将调用com.lemon.faceu.common.b.a->xt()方法，取回JsonObject而且赋值给v2

    invoke-interface {v1, v0, v2}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    #将JSONObject存入map

 .line 238
    new-instance v0, Lcom/lemon/faceu/common/t/a;

    sget-object v2, Lcom/lemon/faceu/common/d/a;->azO:Ljava/lang/String;

    invoke-static {}, Landroid/os/Looper;->getMainLooper()Landroid/os/Looper;

    move-result-object v3

    invoke-direct {v0, v2, v1, v3}, Lcom/lemon/faceu/common/t/a;-><init>(Ljava/lang/String;Ljava/util/Map;Landroid/os/Looper;)V

 .line 239
    iget-object v1, p0, Lcom/lemon/faceu/login/b;->aKe:Lcom/lemon/faceu/common/t/a$a;

    invoke-virtual {v0, v1}, Lcom/lemon/faceu/common/t/a;->a(Lcom/lemon/faceu/common/t/a$a;)V

 .line 240
    const-string v1, "login"

    invoke-static {v0, v1}, Lcom/lemon/faceu/sdk/i/b;->a(Ljava/lang/Runnable;Ljava/lang/String;)V

    goto :goto_0 .end method  

#此方法主要校验用户名是否合法，错误的话输出错误信息，返回值为boolean
.method Ls()Z   
 .locals 5

 .prologue
    const/4 v1, 0x0 
    #使v0寄存器为0
 .line 177
    iget-object v0, p0, Lcom/lemon/faceu/login/b;->bpO:Lcom/lemon/faceu/uimodule/view/AccountEditText;
    #将成员变量bpO赋值给v0，此时v0就是用户名

    invoke-virtual {v0}, Lcom/lemon/faceu/uimodule/view/AccountEditText;->getAccount()Ljava/lang/String;
    

    move-result-object v2
    #调用AccountEditText的getAccount方法，并将返回值存入v2

 .line 178
    invoke-virtual {v2}, Ljava/lang/String;->length()I
    #取出用户名长度

    move-result v0
    #v0 = 用户名长度

    if-lez v0, :cond_0

    invoke-virtual {v2, v1}, Ljava/lang/String;->charAt(I)C

    move-result v0

    invoke-static {v0}, Ljava/lang/Character;->isDigit(C)Z

    move-result v0

    if-eqz v0, :cond_0

 .line 180
    invoke-static {v2}, Lcom/lemon/faceu/common/u/t;->dz(Ljava/lang/String;)Z

    move-result v0

    if-nez v0, :cond_4

 .line 181
    iget-object v0, p0, Lcom/lemon/faceu/login/b;->bpO:Lcom/lemon/faceu/uimodule/view/AccountEditText;

    const v2, 0x7f0700ae

    invoke-virtual {p0, v2}, Lcom/lemon/faceu/login/b;->getString(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v0, v2}, Lcom/lemon/faceu/uimodule/view/AccountEditText;->setTips(Ljava/lang/String;)V

 .line 202
    :goto_0
    return v1

 .line 185
    :cond_0
    invoke-virtual {v2}, Ljava/lang/String;->length()I

    move-result v0

    const/16 v3, 0x14

    if-le v0, v3, :cond_1

 .line 186
    iget-object v0, p0, Lcom/lemon/faceu/login/b;->bpO:Lcom/lemon/faceu/uimodule/view/AccountEditText;

    const v2, 0x7f070087

    invoke-virtual {p0, v2}, Lcom/lemon/faceu/login/b;->getString(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v0, v2}, Lcom/lemon/faceu/uimodule/view/AccountEditText;->setTips(Ljava/lang/String;)V

    goto :goto_0

 .line 188
    :cond_1
    invoke-virtual {v2}, Ljava/lang/String;->length()I

    move-result v0

    if-lez v0, :cond_2

    invoke-virtual {v2, v1}, Ljava/lang/String;->charAt(I)C

    move-result v0

    invoke-static {v0}, Lcom/lemon/faceu/sdk/utils/h;->u(C)Z

    move-result v0

    if-nez v0, :cond_2

 .line 189
    iget-object v0, p0, Lcom/lemon/faceu/login/b;->bpO:Lcom/lemon/faceu/uimodule/view/AccountEditText;

    const v2, 0x7f070086

    invoke-virtual {p0, v2}, Lcom/lemon/faceu/login/b;->getString(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v0, v2}, Lcom/lemon/faceu/uimodule/view/AccountEditText;->setTips(Ljava/lang/String;)V

    goto :goto_0

    :cond_2
    move v0, v1

 .line 192
    :goto_1
    invoke-virtual {v2}, Ljava/lang/String;->length()I

    move-result v3

    if-ge v0, v3, :cond_4

 .line 193
    invoke-virtual {v2, v0}, Ljava/lang/String;->charAt(I)C

    move-result v3

 .line 194
    const/16 v4, 0x5f

    if-eq v3, v4, :cond_3

    invoke-static {v3}, Ljava/lang/Character;->isDigit(C)Z

    move-result v4

    if-nez v4, :cond_3

    invoke-static {v3}, Lcom/lemon/faceu/sdk/utils/h;->u(C)Z

    move-result v3

    if-nez v3, :cond_3

 .line 195
    iget-object v0, p0, Lcom/lemon/faceu/login/b;->bpO:Lcom/lemon/faceu/uimodule/view/AccountEditText;

    const v2, 0x7f070085

    invoke-virtual {p0, v2}, Lcom/lemon/faceu/login/b;->getString(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v0, v2}, Lcom/lemon/faceu/uimodule/view/AccountEditText;->setTips(Ljava/lang/String;)V

    goto :goto_0

 .line 192
    :cond_3
    add-int/lit8 v0, v0, 0x1

    goto :goto_1

 .line 202
    :cond_4
    const/4 v1, 0x1

    goto :goto_0 .end method
#此方法主要校验密码是否合法，错误的话输出错误信息，作一些动画之类，正确返回true
.method Lt()Z
 .locals 2

 .prologue
 .line 206
    iget-object v0, p0, Lcom/lemon/faceu/login/b;->bpP:Lcom/lemon/faceu/uimodule/view/PasswordEditText;

    invoke-virtual {v0}, Lcom/lemon/faceu/uimodule/view/PasswordEditText;->getEditText()Landroid/widget/EditText;

    move-result-object v0

    invoke-virtual {v0}, Landroid/widget/EditText;->getText()Landroid/text/Editable;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/Object;->toString()Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/String;->length()I

    move-result v0

 .line 207
    const/4 v1, 0x6

    if-lt v0, v1, :cond_0

    const/16 v1, 0x10

    if-le v0, v1, :cond_1

 .line 208
    :cond_0
    iget-object v0, p0, Lcom/lemon/faceu/login/b;->bpP:Lcom/lemon/faceu/uimodule/view/PasswordEditText;

    const v1, 0x7f0700b5

    invoke-virtual {p0, v1}, Lcom/lemon/faceu/login/b;->getString(I)Ljava/lang/String;

    move-result-object v1

    invoke-virtual {v0, v1}, Lcom/lemon/faceu/uimodule/view/PasswordEditText;->setTips(Ljava/lang/String;)V

 .line 209
    const/4 v0, 0x0

 .line 211
    :goto_0
    return v0

    :cond_1
    const/4 v0, 0x1

    goto :goto_0 .end method

复制代码

咱们主要看Lu方法里面的如下几行，他调用了com.lemon.faceu.common.b.a->xt()方法，这个主要是用于窃取咱们的手机型号，系统，厂商等信息，咱们进入方法看看

 const-string v0, "deviceinfo"

    invoke-static {}, Lcom/lemon/faceu/common/b/a;->xt()Lorg/json/JSONObject;

    move-result-object v2
    #将调用com.lemon.faceu.common.b.a->xt()方法，取回JsonObject而且赋值给v2

复制代码

咱们进入方法看看

.method public static xt()Lorg/json/JSONObject;
 .locals 5

 .prologue
 .line 34
    new-instance v1, Lorg/json/JSONObject;

    invoke-direct {v1}, Lorg/json/JSONObject;-><init>()V

 .line 36
    :try_start_0
    const-string v0, "cpu"

    invoke-static {}, Lcom/lemon/faceu/common/b/a;->xv()Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;
    #取出你的cpu信息放入json

 .line 37
    const-string v0, "radio"

    invoke-static {}, Lcom/lemon/faceu/common/b/a;->xx()Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;
    #机型的RADIO信息存入json

 .line 38
    const-string v0, "os_version"

    sget v2, Landroid/os/Build$VERSION;->SDK_INT:I

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;I)Lorg/json/JSONObject;
    #取出你系统版本


 .line 39
    const-string v0, "imei"

    invoke-static {}, Lcom/lemon/faceu/common/e/a;->xJ()Lcom/lemon/faceu/common/e/a;

    move-result-object v2
    #取出IMEI号


    invoke-virtual {v2}, Lcom/lemon/faceu/common/e/a;->getContext()Landroid/content/Context;

    move-result-object v2

    invoke-static {v2}, Lcom/lemon/faceu/common/b/a;->bd(Landroid/content/Context;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;

 .line 40
    const-string v0, "imsi"

    invoke-static {}, Lcom/lemon/faceu/common/b/a;->xy()Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;

 .line 41
    const-string v0, "iccid"

    invoke-static {}, Lcom/lemon/faceu/common/b/a;->xz()Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;

 .line 42
    const-string v0, "android_id"

    invoke-static {}, Lcom/lemon/faceu/common/b/a;->xw()Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;

 .line 43
    const-string v0, "model"

    sget-object v2, Landroid/os/Build;->MODEL:Ljava/lang/String;

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;

 .line 44
    const-string v0, "core_count"

    invoke-static {}, Lcom/lemon/faceu/common/b/a;->xA()I

    move-result v2

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;I)Lorg/json/JSONObject;

 .line 45
    const-string v0, "wifi"

    invoke-static {}, Lcom/lemon/faceu/common/b/a;->xu()Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v0, v2}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;
    :try_end_0
 .catch Lorg/json/JSONException; {:try_start_0 .. :try_end_0} :catch_0

 .line 49
    :goto_0
    return-object v1

 .line 46
    :catch_0
    move-exception v0

 .line 47
    const-string v2, "DeviceInfo"

    new-instance v3, Ljava/lang/StringBuilder;

    invoke-direct {v3}, Ljava/lang/StringBuilder;-><init>()V

    const-string v4, "jsonexception, "

    invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v3

    invoke-virtual {v0}, Lorg/json/JSONException;->getMessage()Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v3, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    invoke-static {v2, v0}, Lcom/lemon/faceu/sdk/utils/c;->e(Ljava/lang/String;Ljava/lang/String;)V

    goto :goto_0 .end method

复制代码

咱们能看到他获取了咱们的cpu，radio，os_version(系统版本),imei，MODEL,cpu_count,mac地址。 看了半天代码，咱们加入一些咱们的代码，让程序本身把提交的信息打印出来吧。

 const-string v0, "MartinHan--map"
    invoke-virtual {v1}, Ljava/util/HashMap;->toString()Ljava/lang/String;
    move-result-object v3
    invoke-static {v0, v3}, Landroid/util/Log;->v(Ljava/lang/String;Ljava/lang/String;)I

    const-string v3, "MartinHan---url"
    invoke-static {v3, v2}, Landroid/util/Log;->v(Ljava/lang/String;Ljava/lang/String;)I
    
复制代码

而后咱们执行代码

apktool d faceu
cd faceu/disk
#签名 生成文件明为_signed.apk 
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore "MartinHan.jks" -signedjar "_signed.apk" "faceu.apk" "111111" << EOF
111111

adb install _signed.apk

复制代码

这样的流程走下来，咱们的二次打包apk就安装到手机上啦，看看咱们输入咱们账号，点击登陆。会打印出log信息。
以下所示

03-13 14:17:15.269 10240-10240/com.lemon.faceu V/MartinHan--map: {account=159xxxxxxxx, deviceinfo={"android_id":"62fjdhu42d070400","wifi":"08:33:61:cc:b9:fc","model":"HUAWEI G630-U00","imei":"81338398767854654","iccid":"","cpu":"ARMv7 Processor rev 3 (v7l) ","radio":"203040,203040","imsi":"","core_count":4,"os_version":18}, model=HUAWEI G630-U00, pwd=4d259481d57ffc1c6b4b68cd73dbd301, councode=86, manufacture=HUAWEI, version=270540806}

03-13 14:17:15.269 10240-10240/com.lemon.faceu V/MartinHan---url: https://api2.faceu.mobi/faceu/v3/login.php
复制代码

如上诉代码所示，咱们在faceu登陆一次，faceu会上传咱们的不少我的信息
mac地址，手机型号，imei，cpu信息，radio，系统版本，国家代码， 而且找到了faceu登陆的地址是https://api2.faceu.mobi/faceu/v3/login.php

以上就是个人全部思路，从问题开始，一直找代码，最后动态的打log实如今https加密前就让app本身吐出数据。

写在最后

其实我想不只faceu，像是其余的厂商也会收集咱们的我的信息，完成统计。而且经过大数据分析使用软件的人群，手机型号。
但愿全部喜欢逆向的朋友们一块儿探讨，多多交流。

注：若有侵权，请联系我

关于我

我的博客：MartinHan的小站

博客网站：hanhan12312的专栏

知乎：MartinHan01

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