# 背景
使用路由器刷了 openwrt的固件。然后尝试破解wpa等wifi的密码
# 配置好网络之后，使用ssh连接路由器。
测试连通性
0 ping downloads.openwrt.org
root@OpenWrt:~# ping downloads.openwrt.org
PING downloads.openwrt.org (168.119.138.211): 56 data bytes
64 bytes from 168.119.138.211: seq=0 ttl=50 time=238.224 ms
64 bytes from 168.119.138.211: seq=1 ttl=50 time=234.064 ms
64 bytes from 168.119.138.211: seq=3 ttl=50 time=237.744 ms
root@OpenWrt:/# opkg update
Downloading https://downloads.openwrt.org/releases/21.02.1/targets/ramips/mt7620/packages/
Failed to send request: Operation not permitted
*** Failed to download the package list from https://downloads.openwrt.org/releases/21.02.
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/base/Packa
Updated list of available packages in /var/opkg-lists/openwrt_base
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/luci/Packa
Failed to send request: Operation not permitted
*** Failed to download the package list from https://downloads.openwrt.org/releases/21.02.
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/packages/P
Updated list of available packages in /var/opkg-lists/openwrt_packages
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/routing/Pa
Updated list of available packages in /var/opkg-lists/openwrt_routing
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/telephony/
Updated list of available packages in /var/opkg-lists/openwrt_telephony
Collected errors:
* opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02.1/target
* opkg_download: Check your network settings and connectivity.
* opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02.1/packag
* opkg_download: Check your network settings and connectivity.
------------------------
修改配置/etc/opkg.conf 之前是报下面的错。
Failed to send request: Operation not permitted
*** Failed to download the package list from https://downloads.openwrt.org/relea ses/21.02.1/packages/mipsel_24kc/telephony/Packages.gz
Collected errors:
* opkg_download: Failed to download https://downloads.openwrt.org/releases/21.0 2.1/packages/mipsel_24kc/telephony/Packages.gz, wget returned 4.
* opkg_download: Check your network settings and connectivity.
尝试很多次更新，尝试搜索问题，期间试过打开opkg配置文件，注释最后一句
/etc/opkg.conf?文件，都没解决，突然晚点试试，又可以了。
1马上opkg update 和 install aricrack-ng? screen?airmon-ng
//screen 支持后台运行窗口，可以后台抓包同时后台注入，然后后台破解密码
root@OpenWrt:/# opkg update
Downloading https://downloads.openwrt.org/releases/21.02.1/targets/ramips/mt7620/packages/
Updated list of available packages in /var/opkg-lists/openwrt_core
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/base/Packa
Updated list of available packages in /var/opkg-lists/openwrt_base
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/luci/Packa
Updated list of available packages in /var/opkg-lists/openwrt_luci
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/packages/P
Updated list of available packages in /var/opkg-lists/openwrt_packages
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/routing/Pa
Updated list of available packages in /var/opkg-lists/openwrt_routing
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/telephony/
Updated list of available packages in /var/opkg-lists/openwrt_telephony
root@OpenWrt:/# opkg install aircrack-ng screen
Installing aircrack-ng (1.6-1) to root...
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/ packages/aircrack-ng_1.6-1_mipsel_24kc.ipk
Installing libnl-genl200 (3.5.0-1) to root...
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/ base/libnl-genl200_3.5.0-1_mipsel_24kc.ipk
Installing zlib (1.2.11-3) to root...
Downloading https://downloads.openwrt.org/releases/21.02.1/packages/mipsel_24kc/ base/zlib_1.2.11-3_mipsel_24kc.ipk
Package screen (4.8.0-2) installed in root is up to date.
Configuring libnl-genl200.
Configuring zlib.
Configuring aircrack-ng.
查看一下我自己的网络情况（关键信息已***）
root@OpenWrt:/# ifconfig -a
br-lan Link encap:Ethernet HWaddr 00:0C:43:76:20:**
inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20c:43ff:***:2080/64 Scope:Link
inet6 addr: fd82:6e1b:68e2::1/60 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:134744 errors:0 dropped:0 overruns:0 frame:0
TX packets:201387 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:16906566 (16.1 MiB) TX bytes:211760728 (201.9 MiB)
eth0 Link encap:Ethernet HWaddr 00:0C:43:76:20:**
inet6 addr: fe80::20c:43ff:***:2080/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:781743 errors:0 dropped:0 overruns:0 frame:0
TX packets:339947 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:422301082 (402.7 MiB) TX bytes:231308516 (220.5 MiB)
Interrupt:5
eth0.1 Link encap:Ethernet HWaddr 00:0C:43:76:20:**
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:134745 errors:0 dropped:0 overruns:0 frame:0
TX packets:201387 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:16906896 (16.1 MiB) TX bytes:211760728 (201.9 MiB)
eth0.2 Link encap:Ethernet HWaddr 00:0C:43:76:20:**
inet addr:192.168.31.250 Bcast:192.168.31.255 Mask:255.255.255.0
inet6 addr: fe80::20c:43ff:***:2081/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:628901 errors:0 dropped:0 overruns:0 frame:0
TX packets:138526 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:390228779 (372.1 MiB) TX bytes:17925593 (17.0 MiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:2763 errors:0 dropped:0 overruns:0 frame:0
TX packets:2763 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:306455 (299.2 KiB) TX bytes:306455 (299.2 KiB)
wlan0 Link encap:Ethernet HWaddr 00:0C:43:76:20:**
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
? ?2 airmon-ng start wlan0
启动成功后，使用ifconfig /a 查看变化
? ?3?ifconfig -a
wlan0 -----> wlan0mon
? ?4?airodump-ng wlan0mon
? ?
5 新开一个putty 连接到openwrt路由上面。
6 airodump-ng --bssid 58:41:20:07:75:** -c 6 -w /tmp/wa wlan0mon
把信道6的wifi抓取，抓取到 /tmp/wa文件下面
? 10 ll /tmp/
root@OpenWrt:~# ll /tmp/
drwxrwxrwt 20 root root 620 Jan 2 21:12 ./
drwxr-xr-x 1 root root 0 Jan 1 1970 ../
drwx------ 2 root root 40 Jan 2 14:15 .uci/
-rw-r--r-- 1 root root 6 Jan 2 14:15 TZ
-rw-r--r-- 1 root root 1081 Jan 1 1970 board.json
-rw-r--r-- 1 root root 80 Jan 2 20:18 dhcp.leases
drwxr-xr-x 2 root root 40 Jan 2 14:15 dnsmasq.d/
drwxr-xr-x 3 root root 80 Jan 2 14:17 etc/
drwxr-xr-x 2 root root 80 Jan 2 20:17 hosts/
drwxr-xr-x 3 root root 60 Jan 2 14:15 lib/
drwxr-xr-x 2 root root 380 Jan 2 21:12 lock/
drwxr-xr-x 2 root root 80 Jan 2 14:15 log/
-rw------- 1 root root 88 Jan 2 20:13 luci-indexcache.fg.52OGJa3fc3X.uyp5x51.lua
-rw------- 1 root root 8223 Jan 2 20:13 luci-indexcache.z1WhauV2VgopPu7QvR3F4..json
drwxr-xr-x 2 root root 260 Jan 2 20:13 luci-modulecache/
drwxr-xr-x 2 root root 220 Jan 2 20:20 opkg-lists/
drwxr-xr-x 2 root root 40 Jan 1 1970 overlay/
-rw-r--r-- 1 root root 47 Jan 2 14:17 resolv.conf
drwxr-xr-x 2 root root 60 Jan 2 20:17 resolv.conf.d/
drwxr-xr-x 7 root root 280 Jan 2 14:17 run/
drwxr-xr-x 3 root root 60 Jan 2 20:25 screens/
drwxrwxrwt 2 root root 40 Jan 1 1970 shm/
drwxr-xr-x 2 root root 80 Jan 2 14:18 state/
drwxr-xr-x 2 root root 80 Jan 1 1970 sysinfo/
drwxr-xr-x 2 root root 40 Jan 2 14:15 tmp/
drwxr-xr-x 3 root root 60 Jan 2 16:29 usr/
-rw-r--r-- 1 root root 842499 Jan 2 20:59 wa-01.cap
-rw-r--r-- 1 root root 474 Jan 2 20:59 wa-01.csv
-rw-r--r-- 1 root root 585 Jan 2 20:59 wa-01.kismet.csv
-rw-r--r-- 1 root root 2740 Jan 2 20:59 wa-01.kismet.netxml
-rw-r--r-- 1 root root 146088 Jan 2 20:59 wa-01.log.csv
我认为wa-01.cap就是抓到的包，但是如何破解， 等待更新。。。
? 12 恢复环境
?
root@OpenWrt:~# airmon-ng stop wlan0mon
PHY Interface Driver Chipset
phy0 wlan0mon rt2800_wmac Not pci, usb, or sdio
(mac80211 station mode vif enabled on [phy0]wlan0)
(mac80211 monitor mode vif disabled for [phy0]wlan0mon)
root@OpenWrt:~# ifconfig -a