议题八 基于Android平台的智能设备网络安全攻防 百度程波

Razor

2018/11/20 发布于 技术 分类

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1. 大会视频回放链接:http://www.itdks.com/eventlist/detail/2823
2. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 基于Android的智能设备 ⽹网络安全攻防
3. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ CONT ENTS 01 安全现状 02 DNS安全 03 ARP攻击 04 SST / TLS安全
4. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 1 安全现状 随着移动互联⽹网的快速发展,Android系统成为 我们⽣生活中不不可或缺的⼀一部分。 各种IoT设备进⼊入百家争鸣时代、从电视到空调 甚⾄至到冰箱,越来越多的设备使⽤用android系统。
5. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 安全现状 Android系统占⽐比逐年年增加,超过80%,系统版本呈现碎⽚片化状态 79.10 79.60 79.10 79.50 79.50 80.00 80.20 80.30 80.40 80.30 78.60 201712 201801 201802 201803 201804 201805 201806 201807 201808 201809 201810 Android 6.0.1 6.0 5.0.1 5.1.1 5.1 4.4.4 4.3 4.2.2 4.2.1 8.1.0 8.0.0 7.1.1 7.0 7.1.2 其它版本 数据来源:友盟
6. 安全现状 智能电视、智能家居普及率逐年年上升,电视安全亟待关注 PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 15.60 16.00 17.90 21.10 25.00 26.70 2608.5 3254.7 3997.5 4817.7 5819.3 2014H2 2015H1 2015H2 2016H1 智能电视 2016H2 2017H1 数据来源:前瞻产业研究院 2016 2017 2018 2019 智能家居规模 列列1 列列2 2020 数据来源:艾瑞咨询
7. 安全现状 Android仍然⾯面临着严峻的安全挑战 PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 传播违法内容 2017年年,某品牌智能电视发⽣生DNS劫持,在界⾯面中 展示违法宣传内容,被有关部⻔门点名批评勒勒令整 改,企业承担较⼤大的政治⻛风险和法律律⻛风险。 推送低俗⼴广告 2016年年,某区县的电视被劫持,在播放界⾯面和主界 ⾯面显示不不雅内容,在⽹网络上造成负⾯面评价,严重伤 害品牌⼝口碑碑。 ⼴广告 ⽀支付劫持 不不法分⼦子通过技术⼿手段对⼴广告内容或⽀支付通道进⾏行行 劫持,窃取⼴广告商、⼚厂商和商家的正当利利益,带来 经济损失。 窃取⽤用户隐私 某品牌电视被恶意软件攻击,使其变成⼀一个巨⼤大的 窃听器器和偷拍设备,对房间的对话进⾏行行录⾳音和摄像, 造成⽤用户隐私泄露露,影响品牌⼝口碑碑。
8. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 2 DNS安全 DNS作为互联⽹网的⼀一项核⼼心服务,是⽹网络安全的 第⼀一道⼤大⻔门。
9. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ DNS安全 DNS的⼯工作原理理 DNS解析器器 缓存 DNS服务器器 缓存 . 域名服务器器 com. 域名服务 器器 baidu.com.域 名服务器器 dns.baidu.com 域名服务器器
10. DNS安全 针对⽤用户的DNS劫持 PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 主要劫持⼿手段 01 路路由器器劫持 路路由器器中的DNS服务器器地址被 修改为恶意的DNS服务器器 02 ARP欺骗 ARP协议时时刻刻都接收,并 且⼀一旦接收,就更更新ARP缓存 表 03 Hosts 域名解析的时候,会先访问 hosts⽂文件,看看有没有相关的 映射 04 缓存投毒 抢答
11. DNS安全 解决⽅方案-XDNS PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 域名劫持检测和识别 检测 SDK 可在以下场景检测出存在劫持。 • ⽤用户使⽤用⿊黑 DNS 作为域 名解析服务器器 • ⽤用户 DNS 将域名解析到 ⾮非法 IP – 域名⿊黑 IP – ⾮非官⽅方注册 IP 安全解析服务 xdns可在以下场景提供⼀一定的安全解析服务 • ⽤用户使⽤用了了⿊黑 DNS • ⽤用户本地 DNS 存在域名 劫持
12. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ DNS安全 XDNS实现原理理 本地DNS 服务器器 安全DNS 服务器器 www.baidu.com 假域名
13. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ DNS安全 解决⽅方案-SafeHttp Android APP getaddrinfo Native Hook 安全DNS服务 gethostbyname
14. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ DNS安全 解决⽅方案-SafeHttp dlsym libc.so dynsym symtab base offset InlineHook
15. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 3 ARP欺骗 ARP协议通过IP地址来查找主机的物理理地址
16. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ ARP欺骗 检测原理理 A⽤用户:AA-AA-AA-AA 192.168.1.2 攻击者:BB-BB-BB-BB 192.168.1.3 ⽤用户A的ARP缓存表 • 192.168.1.1 CBBC--BCBC--BCBC--BCBC • 192.168.1.2 AA-AA-AA-AA • 192.168.1.3 BB-BB-BB-BB ⽹网关:CC-CC-CC-CC 192.168.1.1
17. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ ARP欺骗 ⼀一种⽅方案设想-OpenVpn 利利⽤用OpenVPN搭建加密的访问传输通道 VPN客户端 正常情况 VPN服务器器 虽被劫持,但 数据不不可⻅见
18. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ ARP欺骗 Arp防⽕火墙 攻击者:BB-BB-BB-BB 192.168.1.3 1 ( ) ∑ dq oi , o j = oi − o j q = ⎛ ⎜⎝ k n=1 oin − o jn q ⎞q ⎟⎠ arp who-has 192.168.1.1 tell 192.168.1.2 A⽤用户:AA-AA-AA-AA 192.168.1.2 1 ( ) ∑ dq oi , o j = oi − o j q = ⎛ ⎜⎝ k n=1 oin − o jn q ⎞q ⎟⎠ ⽹网关:CC-CC-CC-CC 192.168.1.1
19. PPT模板下载:www.1ppt.com/moban/ 节⽇PPT模板:www.1ppt.com/jieri/ PPT背景图⽚:www.1ppt.com/beijing/ 优秀PPT下载:www.1ppt.com/xiazai/ Word教程: www.1ppt.com/word/ 资料下载:www.1ppt.com/ziliao/ 范⽂下载:www.1ppt.com/fanwen/ 教案下载:www.1ppt.com/jiaoan/ 字体下载:www.1ppt.com/ziti/ ⾏业PPT模板:www.1ppt.com/hangye/ PPT素材下载:www.1ppt.com/sucai/ PPT图表下载:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ Excel教程:www.1ppt.com/excel/ PPT课件下载:www.1ppt.com/kejian/ 试卷下载:www.1ppt.com/shiti/ 4 SSL / TLS安全 从 OpenSSL 到 MesaLink
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