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11/17/2018 5:15 PM 病毒,间谍软件最新趋势 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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提纲 趋势总结 业界新闻 安全漏洞 病毒 Rootkit 间谍软件 网络钓鱼 监测和防护 11/17/2018 5:15 PM
© 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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趋势总结 从以前大规模的,无特定目的的网络攻击转为小规模的,特定用户和目的的攻击 11/17/2018 5:15 PM
© 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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钱,钱,钱! 窃取个人和公司银行账户 窃取信用卡号码 实施DDoS攻击 创建代理服务器 Zombie网络 散布广告软件 自动拨号 等等
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最新统计数据 数据来源 Symantec 2006年3月发布的互联网安全报告 1896新的安全漏洞被发现,增幅40%
11/17/2018 5:15 PM 最新统计数据 数据来源 Symantec 2006年3月发布的互联网安全报告 1896新的安全漏洞被发现,增幅40% 80%有害软件试图窃取用户机密信息 IE安全漏洞 24;Firefox安全漏洞 13 平均时间从安全漏洞发现到 补丁提供:49天 出现代码利用安全漏洞:6.8天 最容易被感染的系统:无补丁Win2K © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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业界新闻 无论你喜欢与否,微软发布了一系列产品或服务…
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安全漏洞 最严重的安全漏洞 Office最新安全漏洞 WMF安全漏洞 MS06-048 Powerpoint
MS Onenote, Project MS …
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病毒 传播方式 分类 利用操作系统的安全漏洞 社会工程?Social Engineering 后门 -- Backdoor
11/17/2018 5:15 PM 病毒 传播方式 利用操作系统的安全漏洞 社会工程?Social Engineering 分类 后门 -- Backdoor 木马 -- Trojan 蠕虫 -- Worm 文件感染器 -- File infector (virus) © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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系统安全漏洞 缓存溢出( Buffer Overrun ) Code Red: IIS缓存溢出 Blaster: DCOM RPC缓存溢出
11/17/2018 5:15 PM 系统安全漏洞 缓存溢出( Buffer Overrun ) Code Red: IIS缓存溢出 Blaster: DCOM RPC缓存溢出 Zotob: PnP缓存溢出 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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堆栈缓存溢出 Top of Stack Return Address char[128]
11/17/2018 5:15 PM 堆栈缓存溢出 Top of Stack Return Address void UnSafeRecv(char* payload) char[128] { char localBuffer[128]; … … strcpy (localBuffer, payload); } © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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有害软件主体执行,系统被全面感染, 开始攻击其他机器
11/17/2018 5:15 PM 典型攻击模式 用户 攻击方 恶意的网络数据 OS存在安全漏洞 缓存溢出 恶意代码被执行 发出下载请求 有害软件主体 有害软件主体执行,系统被全面感染, 开始攻击其他机器 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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社会工程 攻击者通过某种手段,例如虚假信息,诱使用户执行一定的动作,已达到控制系统,窃取信息的目的 用户参与
11/17/2018 5:15 PM 社会工程 攻击者通过某种手段,例如虚假信息,诱使用户执行一定的动作,已达到控制系统,窃取信息的目的 用户参与 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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典型攻击模式 邮件蠕虫 攻击方 用户 发送电子邮件 打开附件 有害代码执行 搜集邮件地址 发送新的邮件以传播 有害软件作为附件
11/17/2018 5:15 PM 典型攻击模式 邮件蠕虫 攻击方 用户 发送电子邮件 有害软件作为附件 打开附件 有害代码执行 搜集邮件地址 发送新的邮件以传播 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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最流行的病毒 Sober
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反病毒软件 文件扫描 基于特征代码(signature) 11/17/2018 5:15 PM
© 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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实时防护 反病毒驱动程序截获应用程序的文件调用 监控I/O操作,以便反病毒软件扫描文件 反病毒 驱动程序 反病毒软件 文件系统 应用程序
11/17/2018 5:15 PM 实时防护 反病毒驱动程序截获应用程序的文件调用 监控I/O操作,以便反病毒软件扫描文件 应用程序 反病毒 驱动程序 文件系统 驱动程序 反病毒软件 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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局限性 反病毒软件工作基于病毒样本的特征代码 仅依靠反病毒软件保护系统安全是不完善的 对于小规模传播的病毒,可能没有特征代码
11/17/2018 5:15 PM 局限性 反病毒软件工作基于病毒样本的特征代码 对于小规模传播的病毒,可能没有特征代码 病毒爆发和反病毒软件公司提供特征代码之间有时间间隔 仅依靠反病毒软件保护系统安全是不完善的 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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间谍软件 间谍软件 未经用户允许,有以下行为的软件: 广告,收集用户个人信息,修改系统配置等等。 11/17/2018 5:15 PM
© 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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传播途径 通过弹出对话框或其它手段诱使用户 安装电子邮件邀请访问特定的网站 附加在其它软件中一起安装 11/17/2018 5:15 PM
© 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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感染间谍软件的症状 广告框总是自动弹出 IE的缺省主页和搜索配置未经允许被修改 IE出现不熟悉的工具条,凭无法被正常删除 计算机性能下降
11/17/2018 5:15 PM 感染间谍软件的症状 广告框总是自动弹出 IE的缺省主页和搜索配置未经允许被修改 IE出现不熟悉的工具条,凭无法被正常删除 计算机性能下降 操作系统频繁崩溃 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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热门间谍软件 WebSearch
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反间谍软件 和反病毒软件类似,主要是基于对文件的扫描。 扫描基于间谍软件特征代码的数据库
11/17/2018 5:15 PM 反间谍软件 和反病毒软件类似,主要是基于对文件的扫描。 扫描基于间谍软件特征代码的数据库 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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防护措施 安装反间谍软件 尽量从正式网站下载软件 注意IE中Internet secure zone的配置
11/17/2018 5:15 PM 防护措施 安装反间谍软件 尽量从正式网站下载软件 注意IE中Internet secure zone的配置 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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Rootkit 历史 用于修改操作系统,以改变操作系统的表现行为的工具软件 。而这种改变,往往不是操作系统设计时所期望的
11/17/2018 5:15 PM Rootkit 历史 术语来自于Unix系统。最早的一个版本是出现在SunOS 4 用于修改操作系统,以改变操作系统的表现行为的工具软件 。而这种改变,往往不是操作系统设计时所期望的 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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隐藏信息 Rootkit可用于隐藏以下系统信息: 运行进程 服务 TCP/IP端口 文件 注册信息Registry 用户帐号
11/17/2018 5:15 PM 隐藏信息 Rootkit可用于隐藏以下系统信息: 运行进程 服务 TCP/IP端口 文件 注册信息Registry 用户帐号 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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新的威胁 越来越多的Windows系统的Rootkit 越来越多的有害软件,间谍软件和Rootkit 绑定
11/17/2018 5:15 PM 新的威胁 越来越多的Windows系统的Rootkit 越来越多的有害软件,间谍软件和Rootkit 绑定 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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Win32 API 调用 Application NTExecutives Int 2E (NtCreateFile) User mode
11/17/2018 5:15 PM Win32 API 调用 User mode Kernel mode Application NTExecutives Kernel32.dll (CreateFileW) Int 2E Ntdll.dll (ZwCreateFile) KiServiceTable (NtCreateFile) © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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类型 User-Mode API 截获 Kernel-Mode API 截获 Kernel-Mode 数据结构修改
11/17/2018 5:15 PM 类型 User-Mode API 截获 Kernel-Mode API 截获 Kernel-Mode 数据结构修改 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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检测Rootkit Offline OS检测 API副作用检测 Rootkit检测工具
11/17/2018 5:15 PM 检测Rootkit Offline OS检测 API副作用检测 Rootkit检测工具 Strider/Ghostbuster,MS Research RootkitRevealer,Sysinternals © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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删除Rootkit 官方提供的工具 重新安装系统 11/17/2018 5:15 PM
© 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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Rootkit实例 为什么Sony的用来保护CD版权的程序被反病毒公司检测为Rootkit?
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Phishing 复制一个官方网站的主页,诱使用户输入个人的机密信息,如银行账号,密码等等。 11/17/2018 5:15 PM
© 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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11/17/2018 5:15 PM 实例1 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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11/17/2018 5:15 PM 实例2 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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Phishing的最新统计数据 数据来源 Symantec 2005年3月发布的互联网安全报告
11/17/2018 5:15 PM Phishing的最新统计数据 数据来源 Symantec 2005年3月发布的互联网安全报告 Symantec Brightmail AntiSpam™ 每周截获的phishing攻击从9百万次增长到3千3百万次 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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防护 http://www.microsoft.com/athome/security/email/phishing.mspx
11/17/2018 5:15 PM 防护 对特定的邮件信息要当心 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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综合保护措施 第一重要:用户培训 第二重要:系统备份 11/17/2018 5:15 PM
© 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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综合保护措施(续) 防火墙 及时安装操作系统的补丁 尽量避免运行在系统管理员模式 反病毒软件,反间谍软件 特定的硬件配置
11/17/2018 5:15 PM 综合保护措施(续) 防火墙 及时安装操作系统的补丁 尽量避免运行在系统管理员模式 反病毒软件,反间谍软件 特定的硬件配置 © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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11/17/2018 5:15 PM 资源 Windows 安全 Rootkit Phishing Sysinternal 信息安全Blog © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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11/17/2018 5:15 PM 欢迎大家的反馈! © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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