1466 lines
47 KiB
HTML
1466 lines
47 KiB
HTML
<!DOCTYPE html>
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<html class="theme-next gemini use-motion" lang="zh-Hans">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
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<link href="/lib/fancybox/source/jquery.fancybox.css?v=2.1.5" rel="stylesheet" type="text/css">
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<link href="/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css">
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<link href="/css/main.css?v=5.1.4" rel="stylesheet" type="text/css">
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<link rel="apple-touch-icon" sizes="180x180" href="/images/hackerrank.png?v=5.1.4">
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<link rel="icon" type="image/png" sizes="32x32" href="/images/hackerrank.png?v=5.1.4">
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<link rel="icon" type="image/png" sizes="16x16" href="/images/hackerrank.png?v=5.1.4">
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<link rel="mask-icon" href="/images/logo.svg?v=5.1.4" color="#222">
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<meta name="keywords" content="-逆向,">
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<meta name="description" content="软件保护方式 功能限制 时间限制 运行时长限制 使用日期限制 使用次数限制 警告窗口 分析工具 静态分析工具 IDA W32Dasm lordPE Resource Hacker 动态分析工具 OllyDbg WinDbg 对抗分析技术 反静态分析技术 花指令 自修改代码技术 多态技术 变形技术 虚拟机保护技术 反动态分析技术 检测调试状态 检测用户态调试器">
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<meta name="keywords" content="-逆向">
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<meta property="og:type" content="article">
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<meta property="og:title" content="逆向工程实验">
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<meta property="og:url" content="https://cool-y.github.io/2019/03/28/逆向工程实验/index.html">
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<meta property="og:site_name" content="混元霹雳手">
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<meta property="og:description" content="软件保护方式 功能限制 时间限制 运行时长限制 使用日期限制 使用次数限制 警告窗口 分析工具 静态分析工具 IDA W32Dasm lordPE Resource Hacker 动态分析工具 OllyDbg WinDbg 对抗分析技术 反静态分析技术 花指令 自修改代码技术 多态技术 变形技术 虚拟机保护技术 反动态分析技术 检测调试状态 检测用户态调试器">
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<meta property="og:locale" content="zh-Hans">
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<meta property="og:updated_time" content="2019-03-28T13:01:16.144Z">
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<meta name="twitter:card" content="summary">
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<meta name="twitter:title" content="逆向工程实验">
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<meta name="twitter:description" content="软件保护方式 功能限制 时间限制 运行时长限制 使用日期限制 使用次数限制 警告窗口 分析工具 静态分析工具 IDA W32Dasm lordPE Resource Hacker 动态分析工具 OllyDbg WinDbg 对抗分析技术 反静态分析技术 花指令 自修改代码技术 多态技术 变形技术 虚拟机保护技术 反动态分析技术 检测调试状态 检测用户态调试器">
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<meta name="twitter:image" content="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553759246/%E8%BD%AF%E4%BB%B6%E7%A0%B4%E8%A7%A3/%E5%9B%BE%E7%89%871.png">
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<script type="text/javascript" id="hexo.configurations">
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var NexT = window.NexT || {};
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<link rel="canonical" href="https://cool-y.github.io/2019/03/28/逆向工程实验/">
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<title>逆向工程实验 | 混元霹雳手</title>
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</head>
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<body itemscope itemtype="http://schema.org/WebPage" lang="zh-Hans">
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<div class="container sidebar-position-left page-post-detail">
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<div class="headband"></div>
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<header id="header" class="header" itemscope itemtype="http://schema.org/WPHeader">
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<div class="header-inner"><div class="site-brand-wrapper">
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<div class="site-meta ">
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<div class="custom-logo-site-title">
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<a href="/" class="brand" rel="start">
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<span class="logo-line-before"><i></i></span>
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<span class="site-title">混元霹雳手</span>
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<span class="logo-line-after"><i></i></span>
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</a>
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</div>
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<p class="site-subtitle"></p>
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</div>
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<div class="site-nav-toggle">
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<button>
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<span class="btn-bar"></span>
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<span class="btn-bar"></span>
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<span class="btn-bar"></span>
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</button>
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</div>
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<nav class="site-nav">
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<ul id="menu" class="menu">
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<li class="menu-item menu-item-home">
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<a href="/" rel="section">
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<i class="menu-item-icon fa fa-fw fa-home"></i> <br>
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首页
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</a>
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<li class="menu-item menu-item-about">
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<a href="/about/" rel="section">
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<i class="menu-item-icon fa fa-fw fa-user"></i> <br>
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关于
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</a>
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</li>
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<li class="menu-item menu-item-tags">
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<a href="/tags/" rel="section">
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<i class="menu-item-icon fa fa-fw fa-tags"></i> <br>
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标签
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</a>
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</li>
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<li class="menu-item menu-item-categories">
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<a href="/categories/" rel="section">
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<i class="menu-item-icon fa fa-fw fa-th"></i> <br>
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分类
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</a>
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</li>
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<li class="menu-item menu-item-archives">
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<a href="/archives/" rel="section">
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<i class="menu-item-icon fa fa-fw fa-archive"></i> <br>
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归档
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</a>
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</li>
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<li class="menu-item menu-item-bookmarks">
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<a href="/bookmarks/" rel="section">
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<i class="menu-item-icon fa fa-fw fa-map"></i> <br>
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书签
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</a>
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</li>
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<li class="menu-item menu-item-search">
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<a href="javascript:;" class="popup-trigger">
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<i class="menu-item-icon fa fa-search fa-fw"></i> <br>
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搜索
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</a>
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</li>
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</ul>
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<div class="site-search">
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<div class="popup search-popup local-search-popup">
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<div class="local-search-header clearfix">
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<span class="search-icon">
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<i class="fa fa-search"></i>
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</span>
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<span class="popup-btn-close">
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<i class="fa fa-times-circle"></i>
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</span>
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<div class="local-search-input-wrapper">
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<input autocomplete="off" placeholder="搜索..." spellcheck="false" type="text" id="local-search-input">
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</div>
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</div>
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<div id="local-search-result"></div>
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</div>
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</div>
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</nav>
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</div>
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</header>
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<main id="main" class="main">
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<div class="main-inner">
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<div class="content-wrap">
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<div id="content" class="content">
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<div id="posts" class="posts-expand">
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<article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
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<div class="post-block">
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<link itemprop="mainEntityOfPage" href="https://cool-y.github.io/2019/03/28/逆向工程实验/">
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<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
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<meta itemprop="name" content="Cool-Y">
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<meta itemprop="description" content>
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<meta itemprop="image" content="/images/avatar.png">
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</span>
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<span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
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<meta itemprop="name" content="混元霹雳手">
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</span>
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<header class="post-header">
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<h1 class="post-title" itemprop="name headline">逆向工程实验</h1>
|
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<div class="post-meta">
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<span class="post-time">
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<span class="post-meta-item-icon">
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<i class="fa fa-calendar-o"></i>
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</span>
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<span class="post-meta-item-text">发表于</span>
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<time title="创建于" itemprop="dateCreated datePublished" datetime="2019-03-28T15:25:04+08:00">
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2019-03-28
|
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</time>
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</span>
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<span class="post-category">
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<span class="post-meta-divider">|</span>
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<span class="post-meta-item-icon">
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<i class="fa fa-folder-o"></i>
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</span>
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<span class="post-meta-item-text">分类于</span>
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<span itemprop="about" itemscope itemtype="http://schema.org/Thing">
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<a href="/categories/二进制/" itemprop="url" rel="index">
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<span itemprop="name">-二进制</span>
|
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</a>
|
||
</span>
|
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|
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|
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</span>
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<span class="post-comments-count">
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<span class="post-meta-divider">|</span>
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<span class="post-meta-item-icon">
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<i class="fa fa-comment-o"></i>
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</span>
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<a href="/2019/03/28/逆向工程实验/#comments" itemprop="discussionUrl">
|
||
<span class="post-comments-count gitment-comments-count" data-xid="/2019/03/28/逆向工程实验/" itemprop="commentsCount"></span>
|
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</a>
|
||
</span>
|
||
|
||
|
||
|
||
|
||
|
||
<span id="/2019/03/28/逆向工程实验/" class="leancloud_visitors" data-flag-title="逆向工程实验">
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<span class="post-meta-divider">|</span>
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<span class="post-meta-item-icon">
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<i class="fa fa-eye"></i>
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</span>
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<span class="post-meta-item-text">阅读次数:</span>
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<span class="leancloud-visitors-count"></span>
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</span>
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||
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<div class="post-wordcount">
|
||
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||
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<span class="post-meta-item-icon">
|
||
<i class="fa fa-file-word-o"></i>
|
||
</span>
|
||
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||
<span title="字数统计">
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||
932 字
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||
</span>
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||
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<span class="post-meta-divider">|</span>
|
||
|
||
|
||
|
||
<span class="post-meta-item-icon">
|
||
<i class="fa fa-clock-o"></i>
|
||
</span>
|
||
|
||
<span title="阅读时长">
|
||
3 分钟
|
||
</span>
|
||
|
||
</div>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
</header>
|
||
|
||
|
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<div class="post-body" itemprop="articleBody">
|
||
|
||
|
||
|
||
|
||
|
||
<h1 id="软件保护方式"><a href="#软件保护方式" class="headerlink" title="软件保护方式"></a>软件保护方式</h1><ol>
|
||
<li>功能限制</li>
|
||
<li>时间限制</li>
|
||
</ol>
|
||
<ul>
|
||
<li>运行时长限制</li>
|
||
<li>使用日期限制</li>
|
||
<li>使用次数限制</li>
|
||
</ul>
|
||
<ol start="3">
|
||
<li>警告窗口</li>
|
||
</ol>
|
||
<p><img src="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553759246/%E8%BD%AF%E4%BB%B6%E7%A0%B4%E8%A7%A3/%E5%9B%BE%E7%89%871.png" alt></p>
|
||
<h1 id="分析工具"><a href="#分析工具" class="headerlink" title="分析工具"></a>分析工具</h1><ol>
|
||
<li>静态分析工具</li>
|
||
</ol>
|
||
<ul>
|
||
<li>IDA</li>
|
||
<li>W32Dasm</li>
|
||
<li>lordPE</li>
|
||
<li>Resource Hacker</li>
|
||
</ul>
|
||
<ol start="2">
|
||
<li>动态分析工具</li>
|
||
</ol>
|
||
<ul>
|
||
<li>OllyDbg</li>
|
||
<li>WinDbg</li>
|
||
</ul>
|
||
<h1 id="对抗分析技术"><a href="#对抗分析技术" class="headerlink" title="对抗分析技术"></a>对抗分析技术</h1><ol>
|
||
<li>反静态分析技术</li>
|
||
</ol>
|
||
<ul>
|
||
<li>花指令</li>
|
||
<li>自修改代码技术</li>
|
||
<li>多态技术</li>
|
||
<li>变形技术</li>
|
||
<li>虚拟机保护技术</li>
|
||
</ul>
|
||
<ol start="2">
|
||
<li>反动态分析技术</li>
|
||
</ol>
|
||
<ul>
|
||
<li>检测调试状态</li>
|
||
<li>检测用户态调试器</li>
|
||
<li>检测内核态调试器</li>
|
||
<li>其他方法：父进程检测；StartupInfo 结构；时间差；通过Trap Flag检测</li>
|
||
</ul>
|
||
<ol start="3">
|
||
<li>发现调试器后的处理</li>
|
||
</ol>
|
||
<ul>
|
||
<li>程序自身退出</li>
|
||
<li>向调试器窗口发送消息使调试器退出</li>
|
||
<li>使调试器窗口不可用</li>
|
||
<li>终止调试器进程</li>
|
||
</ul>
|
||
<h1 id="PE文件格式基础"><a href="#PE文件格式基础" class="headerlink" title="PE文件格式基础"></a>PE文件格式基础</h1><h1 id="实验1：软件破解"><a href="#实验1：软件破解" class="headerlink" title="实验1：软件破解"></a>实验1：软件破解</h1><h2 id="对象"><a href="#对象" class="headerlink" title="对象"></a>对象</h2><p><a href="https://res.cloudinary.com/dozyfkbg3/raw/upload/v1553761280/%E8%BD%AF%E4%BB%B6%E7%A0%B4%E8%A7%A3/crack.exe1" target="_blank" rel="noopener">crack.exe</a>，28.0 KB</p>
|
||
<ul>
|
||
<li>无保护措施：无壳、未加密、无反调试措施</li>
|
||
<li>用户名至少要5个字节</li>
|
||
<li>输入错误验证码时输出：“Bad Boy!”</li>
|
||
</ul>
|
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<h2 id="爆破"><a href="#爆破" class="headerlink" title="爆破"></a>爆破</h2><h3 id="1-查找显示注册结果相关代码"><a href="#1-查找显示注册结果相关代码" class="headerlink" title="1. 查找显示注册结果相关代码"></a>1. 查找显示注册结果相关代码</h3><p>当输入错误验证码时，程序会输出“Bad Boy”，因此我们将程序拖入IDA，以流程图显示函数内部的跳转。查找“Bad Boy”字符串，我们可以定位到显示注册结果的相关代码：<br><img src="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553772615/%E8%BD%AF%E4%BB%B6%E7%A0%B4%E8%A7%A3/%E6%8D%95%E8%8E%B71.png" alt></p>
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<h3 id="2-查找注册码验证相关代码"><a href="#2-查找注册码验证相关代码" class="headerlink" title="2. 查找注册码验证相关代码"></a>2. 查找注册码验证相关代码</h3><p>用鼠标选中程序分支点，按空格切换回汇编指令界面<br><img src="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553773066/%E8%BD%AF%E4%BB%B6%E7%A0%B4%E8%A7%A3/%E6%8D%95%E8%8E%B72.png" alt></p>
|
||
<p>可以看到，这条指令位于PE文件的.text节，并且IDA已经自动将地址转换为运行时的内存地址VA:<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"></span><br><span class="line">### 3. 修改程序跳转</span><br><span class="line"></span><br><span class="line">- 现在关闭IDA，换用OllyDbg进行动态调试来看看程序时如何分支跳转的```Ctrl+G``` 直接跳到由IDA得到的VA:```004010F9```处查看那条引起程序分支的关键指令</span><br><span class="line">- 选中这条指令，按F2设置断点，再按F9运行程序，这时候控制权会回到程序，OllyDbg暂时挂起。到程序提示输入名字和序列号，随意输入（名字大于五个字节），点击ok后，OllyDbg会重新中断程序，收回控制权，如图：</span><br><span class="line"></span><br><span class="line">- 验证函数的返回值存于EAX寄存器中，if语句通过以下两条指令执行</span><br></pre></td></tr></table></figure></p>
|
||
<p>cmp eax,ecx<br>jnz xxxxxxx<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line">- 也就是说，当序列号输入错误时，EAX中的值为0，跳转将被执行。</span><br><span class="line">如果我们把jnz这条指令修改为jz，那么整个程序的逻辑就会反过来。</span><br><span class="line">双击jnz这条指令，将其改为jz，单击"汇编"将其写入内存</span><br><span class="line"></span><br><span class="line">可以看到此时程序执行了相反的路径</span><br><span class="line"></span><br><span class="line">- 上面只是在内存中修改程序，我们还需要在二进制文件中也修改相应的字节，这里考察VA与文件地址之间的关系</span><br><span class="line">- 用LordPE打开.exe文件，查看PE文件的节信息</span><br><span class="line"></span><br><span class="line">根据VA与文件地址的换算公式：</span><br></pre></td></tr></table></figure></p>
|
||
<p>文件偏移地址 = VA - Image Base - 节偏移<br> = 0x004010F9 - 0x00400000 - 0<br> = 0x10F9<br><code>`</code><br>也就是说，这条指令在PE文件中位于10F9字节处，使用010Editer打开crack.exe，将这一字节的75(JNZ)改为74(JZ)，保存后重新执行，破解成功！</p>
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<h2 id="编写注册机"><a href="#编写注册机" class="headerlink" title="编写注册机"></a>编写注册机</h2><h3 id="1-查找显示注册结果相关代码-1"><a href="#1-查找显示注册结果相关代码-1" class="headerlink" title="1. 查找显示注册结果相关代码"></a>1. 查找显示注册结果相关代码</h3><h3 id="2-查找注册码验证相关代码-1"><a href="#2-查找注册码验证相关代码-1" class="headerlink" title="2. 查找注册码验证相关代码"></a>2. 查找注册码验证相关代码</h3><h3 id="3-根据注册码验证代码编写注册机"><a href="#3-根据注册码验证代码编写注册机" class="headerlink" title="3. 根据注册码验证代码编写注册机"></a>3. 根据注册码验证代码编写注册机</h3>
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||
|
||
<script type="text/javascript" src="/js/src/schemes/pisces.js?v=5.1.4"></script>
|
||
|
||
|
||
|
||
|
||
<script type="text/javascript" src="/js/src/scrollspy.js?v=5.1.4"></script>
|
||
<script type="text/javascript" src="/js/src/post-details.js?v=5.1.4"></script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<script type="text/javascript" src="/js/src/bootstrap.js?v=5.1.4"></script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<!-- LOCAL: You can save these files to your site and update links -->
|
||
|
||
|
||
<link rel="stylesheet" href="https://aimingoo.github.io/gitmint/style/default.css">
|
||
<script src="https://aimingoo.github.io/gitmint/dist/gitmint.browser.js"></script>
|
||
|
||
<!-- END LOCAL -->
|
||
|
||
|
||
|
||
|
||
<script type="text/javascript">
|
||
function renderGitment(){
|
||
var gitment = new Gitmint({
|
||
id: window.location.pathname,
|
||
owner: 'Cool-Y',
|
||
repo: 'gitment-comments',
|
||
|
||
lang: "" || navigator.language || navigator.systemLanguage || navigator.userLanguage,
|
||
|
||
oauth: {
|
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|
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|
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client_secret: '1c5db4da72df5e6fc318d12afe5f4406f7c54343',
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client_id: '180955a2c3ae3d966d9a'
|
||
}});
|
||
gitment.render('gitment-container');
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}
|
||
|
||
|
||
renderGitment();
|
||
|
||
</script>
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||
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||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<script type="text/javascript">
|
||
// Popup Window;
|
||
var isfetched = false;
|
||
var isXml = true;
|
||
// Search DB path;
|
||
var search_path = "search.xml";
|
||
if (search_path.length === 0) {
|
||
search_path = "search.xml";
|
||
} else if (/json$/i.test(search_path)) {
|
||
isXml = false;
|
||
}
|
||
var path = "/" + search_path;
|
||
// monitor main search box;
|
||
|
||
var onPopupClose = function (e) {
|
||
$('.popup').hide();
|
||
$('#local-search-input').val('');
|
||
$('.search-result-list').remove();
|
||
$('#no-result').remove();
|
||
$(".local-search-pop-overlay").remove();
|
||
$('body').css('overflow', '');
|
||
}
|
||
|
||
function proceedsearch() {
|
||
$("body")
|
||
.append('<div class="search-popup-overlay local-search-pop-overlay"></div>')
|
||
.css('overflow', 'hidden');
|
||
$('.search-popup-overlay').click(onPopupClose);
|
||
$('.popup').toggle();
|
||
var $localSearchInput = $('#local-search-input');
|
||
$localSearchInput.attr("autocapitalize", "none");
|
||
$localSearchInput.attr("autocorrect", "off");
|
||
$localSearchInput.focus();
|
||
}
|
||
|
||
// search function;
|
||
var searchFunc = function(path, search_id, content_id) {
|
||
'use strict';
|
||
|
||
// start loading animation
|
||
$("body")
|
||
.append('<div class="search-popup-overlay local-search-pop-overlay">' +
|
||
'<div id="search-loading-icon">' +
|
||
'<i class="fa fa-spinner fa-pulse fa-5x fa-fw"></i>' +
|
||
'</div>' +
|
||
'</div>')
|
||
.css('overflow', 'hidden');
|
||
$("#search-loading-icon").css('margin', '20% auto 0 auto').css('text-align', 'center');
|
||
|
||
$.ajax({
|
||
url: path,
|
||
dataType: isXml ? "xml" : "json",
|
||
async: true,
|
||
success: function(res) {
|
||
// get the contents from search data
|
||
isfetched = true;
|
||
$('.popup').detach().appendTo('.header-inner');
|
||
var datas = isXml ? $("entry", res).map(function() {
|
||
return {
|
||
title: $("title", this).text(),
|
||
content: $("content",this).text(),
|
||
url: $("url" , this).text()
|
||
};
|
||
}).get() : res;
|
||
var input = document.getElementById(search_id);
|
||
var resultContent = document.getElementById(content_id);
|
||
var inputEventFunction = function() {
|
||
var searchText = input.value.trim().toLowerCase();
|
||
var keywords = searchText.split(/[\s\-]+/);
|
||
if (keywords.length > 1) {
|
||
keywords.push(searchText);
|
||
}
|
||
var resultItems = [];
|
||
if (searchText.length > 0) {
|
||
// perform local searching
|
||
datas.forEach(function(data) {
|
||
var isMatch = false;
|
||
var hitCount = 0;
|
||
var searchTextCount = 0;
|
||
var title = data.title.trim();
|
||
var titleInLowerCase = title.toLowerCase();
|
||
var content = data.content.trim().replace(/<[^>]+>/g,"");
|
||
var contentInLowerCase = content.toLowerCase();
|
||
var articleUrl = decodeURIComponent(data.url);
|
||
var indexOfTitle = [];
|
||
var indexOfContent = [];
|
||
// only match articles with not empty titles
|
||
if(title != '') {
|
||
keywords.forEach(function(keyword) {
|
||
function getIndexByWord(word, text, caseSensitive) {
|
||
var wordLen = word.length;
|
||
if (wordLen === 0) {
|
||
return [];
|
||
}
|
||
var startPosition = 0, position = [], index = [];
|
||
if (!caseSensitive) {
|
||
text = text.toLowerCase();
|
||
word = word.toLowerCase();
|
||
}
|
||
while ((position = text.indexOf(word, startPosition)) > -1) {
|
||
index.push({position: position, word: word});
|
||
startPosition = position + wordLen;
|
||
}
|
||
return index;
|
||
}
|
||
|
||
indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
|
||
indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
|
||
});
|
||
if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
|
||
isMatch = true;
|
||
hitCount = indexOfTitle.length + indexOfContent.length;
|
||
}
|
||
}
|
||
|
||
// show search results
|
||
|
||
if (isMatch) {
|
||
// sort index by position of keyword
|
||
|
||
[indexOfTitle, indexOfContent].forEach(function (index) {
|
||
index.sort(function (itemLeft, itemRight) {
|
||
if (itemRight.position !== itemLeft.position) {
|
||
return itemRight.position - itemLeft.position;
|
||
} else {
|
||
return itemLeft.word.length - itemRight.word.length;
|
||
}
|
||
});
|
||
});
|
||
|
||
// merge hits into slices
|
||
|
||
function mergeIntoSlice(text, start, end, index) {
|
||
var item = index[index.length - 1];
|
||
var position = item.position;
|
||
var word = item.word;
|
||
var hits = [];
|
||
var searchTextCountInSlice = 0;
|
||
while (position + word.length <= end && index.length != 0) {
|
||
if (word === searchText) {
|
||
searchTextCountInSlice++;
|
||
}
|
||
hits.push({position: position, length: word.length});
|
||
var wordEnd = position + word.length;
|
||
|
||
// move to next position of hit
|
||
|
||
index.pop();
|
||
while (index.length != 0) {
|
||
item = index[index.length - 1];
|
||
position = item.position;
|
||
word = item.word;
|
||
if (wordEnd > position) {
|
||
index.pop();
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
searchTextCount += searchTextCountInSlice;
|
||
return {
|
||
hits: hits,
|
||
start: start,
|
||
end: end,
|
||
searchTextCount: searchTextCountInSlice
|
||
};
|
||
}
|
||
|
||
var slicesOfTitle = [];
|
||
if (indexOfTitle.length != 0) {
|
||
slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
|
||
}
|
||
|
||
var slicesOfContent = [];
|
||
while (indexOfContent.length != 0) {
|
||
var item = indexOfContent[indexOfContent.length - 1];
|
||
var position = item.position;
|
||
var word = item.word;
|
||
// cut out 100 characters
|
||
var start = position - 20;
|
||
var end = position + 80;
|
||
if(start < 0){
|
||
start = 0;
|
||
}
|
||
if (end < position + word.length) {
|
||
end = position + word.length;
|
||
}
|
||
if(end > content.length){
|
||
end = content.length;
|
||
}
|
||
slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
|
||
}
|
||
|
||
// sort slices in content by search text's count and hits' count
|
||
|
||
slicesOfContent.sort(function (sliceLeft, sliceRight) {
|
||
if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
|
||
return sliceRight.searchTextCount - sliceLeft.searchTextCount;
|
||
} else if (sliceLeft.hits.length !== sliceRight.hits.length) {
|
||
return sliceRight.hits.length - sliceLeft.hits.length;
|
||
} else {
|
||
return sliceLeft.start - sliceRight.start;
|
||
}
|
||
});
|
||
|
||
// select top N slices in content
|
||
|
||
var upperBound = parseInt('1');
|
||
if (upperBound >= 0) {
|
||
slicesOfContent = slicesOfContent.slice(0, upperBound);
|
||
}
|
||
|
||
// highlight title and content
|
||
|
||
function highlightKeyword(text, slice) {
|
||
var result = '';
|
||
var prevEnd = slice.start;
|
||
slice.hits.forEach(function (hit) {
|
||
result += text.substring(prevEnd, hit.position);
|
||
var end = hit.position + hit.length;
|
||
result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
|
||
prevEnd = end;
|
||
});
|
||
result += text.substring(prevEnd, slice.end);
|
||
return result;
|
||
}
|
||
|
||
var resultItem = '';
|
||
|
||
if (slicesOfTitle.length != 0) {
|
||
resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
|
||
} else {
|
||
resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
|
||
}
|
||
|
||
slicesOfContent.forEach(function (slice) {
|
||
resultItem += "<a href='" + articleUrl + "'>" +
|
||
"<p class=\"search-result\">" + highlightKeyword(content, slice) +
|
||
"...</p>" + "</a>";
|
||
});
|
||
|
||
resultItem += "</li>";
|
||
resultItems.push({
|
||
item: resultItem,
|
||
searchTextCount: searchTextCount,
|
||
hitCount: hitCount,
|
||
id: resultItems.length
|
||
});
|
||
}
|
||
})
|
||
};
|
||
if (keywords.length === 1 && keywords[0] === "") {
|
||
resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
|
||
} else if (resultItems.length === 0) {
|
||
resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
|
||
} else {
|
||
resultItems.sort(function (resultLeft, resultRight) {
|
||
if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
|
||
return resultRight.searchTextCount - resultLeft.searchTextCount;
|
||
} else if (resultLeft.hitCount !== resultRight.hitCount) {
|
||
return resultRight.hitCount - resultLeft.hitCount;
|
||
} else {
|
||
return resultRight.id - resultLeft.id;
|
||
}
|
||
});
|
||
var searchResultList = '<ul class=\"search-result-list\">';
|
||
resultItems.forEach(function (result) {
|
||
searchResultList += result.item;
|
||
})
|
||
searchResultList += "</ul>";
|
||
resultContent.innerHTML = searchResultList;
|
||
}
|
||
}
|
||
|
||
if ('auto' === 'auto') {
|
||
input.addEventListener('input', inputEventFunction);
|
||
} else {
|
||
$('.search-icon').click(inputEventFunction);
|
||
input.addEventListener('keypress', function (event) {
|
||
if (event.keyCode === 13) {
|
||
inputEventFunction();
|
||
}
|
||
});
|
||
}
|
||
|
||
// remove loading animation
|
||
$(".local-search-pop-overlay").remove();
|
||
$('body').css('overflow', '');
|
||
|
||
proceedsearch();
|
||
}
|
||
});
|
||
}
|
||
|
||
// handle and trigger popup window;
|
||
$('.popup-trigger').click(function(e) {
|
||
e.stopPropagation();
|
||
if (isfetched === false) {
|
||
searchFunc(path, 'local-search-input', 'local-search-result');
|
||
} else {
|
||
proceedsearch();
|
||
};
|
||
});
|
||
|
||
$('.popup-btn-close').click(onPopupClose);
|
||
$('.popup').click(function(e){
|
||
e.stopPropagation();
|
||
});
|
||
$(document).on('keyup', function (event) {
|
||
var shouldDismissSearchPopup = event.which === 27 &&
|
||
$('.search-popup').is(':visible');
|
||
if (shouldDismissSearchPopup) {
|
||
onPopupClose();
|
||
}
|
||
});
|
||
</script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<script src="https://cdn1.lncld.net/static/js/av-core-mini-0.6.4.js"></script>
|
||
<script>AV.initialize("EWwoJgHNdlj6iBjiFlMcabUO-gzGzoHsz", "x8FxDrYG79C8YFrTww9ljo8K");</script>
|
||
<script>
|
||
function showTime(Counter) {
|
||
var query = new AV.Query(Counter);
|
||
var entries = [];
|
||
var $visitors = $(".leancloud_visitors");
|
||
|
||
$visitors.each(function () {
|
||
entries.push( $(this).attr("id").trim() );
|
||
});
|
||
|
||
query.containedIn('url', entries);
|
||
query.find()
|
||
.done(function (results) {
|
||
var COUNT_CONTAINER_REF = '.leancloud-visitors-count';
|
||
|
||
if (results.length === 0) {
|
||
$visitors.find(COUNT_CONTAINER_REF).text(0);
|
||
return;
|
||
}
|
||
|
||
for (var i = 0; i < results.length; i++) {
|
||
var item = results[i];
|
||
var url = item.get('url');
|
||
var time = item.get('time');
|
||
var element = document.getElementById(url);
|
||
|
||
$(element).find(COUNT_CONTAINER_REF).text(time);
|
||
}
|
||
for(var i = 0; i < entries.length; i++) {
|
||
var url = entries[i];
|
||
var element = document.getElementById(url);
|
||
var countSpan = $(element).find(COUNT_CONTAINER_REF);
|
||
if( countSpan.text() == '') {
|
||
countSpan.text(0);
|
||
}
|
||
}
|
||
})
|
||
.fail(function (object, error) {
|
||
console.log("Error: " + error.code + " " + error.message);
|
||
});
|
||
}
|
||
|
||
function addCount(Counter) {
|
||
var $visitors = $(".leancloud_visitors");
|
||
var url = $visitors.attr('id').trim();
|
||
var title = $visitors.attr('data-flag-title').trim();
|
||
var query = new AV.Query(Counter);
|
||
|
||
query.equalTo("url", url);
|
||
query.find({
|
||
success: function(results) {
|
||
if (results.length > 0) {
|
||
var counter = results[0];
|
||
counter.fetchWhenSave(true);
|
||
counter.increment("time");
|
||
counter.save(null, {
|
||
success: function(counter) {
|
||
var $element = $(document.getElementById(url));
|
||
$element.find('.leancloud-visitors-count').text(counter.get('time'));
|
||
},
|
||
error: function(counter, error) {
|
||
console.log('Failed to save Visitor num, with error message: ' + error.message);
|
||
}
|
||
});
|
||
} else {
|
||
var newcounter = new Counter();
|
||
/* Set ACL */
|
||
var acl = new AV.ACL();
|
||
acl.setPublicReadAccess(true);
|
||
acl.setPublicWriteAccess(true);
|
||
newcounter.setACL(acl);
|
||
/* End Set ACL */
|
||
newcounter.set("title", title);
|
||
newcounter.set("url", url);
|
||
newcounter.set("time", 1);
|
||
newcounter.save(null, {
|
||
success: function(newcounter) {
|
||
var $element = $(document.getElementById(url));
|
||
$element.find('.leancloud-visitors-count').text(newcounter.get('time'));
|
||
},
|
||
error: function(newcounter, error) {
|
||
console.log('Failed to create');
|
||
}
|
||
});
|
||
}
|
||
},
|
||
error: function(error) {
|
||
console.log('Error:' + error.code + " " + error.message);
|
||
}
|
||
});
|
||
}
|
||
|
||
$(function() {
|
||
var Counter = AV.Object.extend("Counter");
|
||
if ($('.leancloud_visitors').length == 1) {
|
||
addCount(Counter);
|
||
} else if ($('.post-title-link').length > 1) {
|
||
showTime(Counter);
|
||
}
|
||
});
|
||
</script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<script>
|
||
(function(){
|
||
var bp = document.createElement('script');
|
||
var curProtocol = window.location.protocol.split(':')[0];
|
||
if (curProtocol === 'https') {
|
||
bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
|
||
}
|
||
else {
|
||
bp.src = 'http://push.zhanzhang.baidu.com/push.js';
|
||
}
|
||
var s = document.getElementsByTagName("script")[0];
|
||
s.parentNode.insertBefore(bp, s);
|
||
})();
|
||
</script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</body>
|
||
</html>
|