我正在尝试嗅探我网络的无线流量,但遇到了问题。我能够将卡置于监控模式,但除了广播、多播和探测/信标帧外,看不到任何流量。
这台笔记本电脑上有两个网络接口。一个正常连接到“linksys”,另一个处于监控模式。监控模式下的接口位于正确的通道上。我没有与接入点关联,因为据我所知,如果使用监控模式(相对于混杂模式),我不需要关联。当我尝试 ping 路由器 ip 时,我没有在 wireshark 中看到流量。
这是我的 ifconfig 设置:
daniel@seasonBlack:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:1f:29:9e:b2:89
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)
Interrupt:16
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:16436 Metric:1
RX packets:112 errors:0 dropped:0 overruns:0 frame:0
TX packets:112 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:8518 (8.5 KB) TX bytes:8518 (8.5 KB)
wlan0 Link encap:Ethernet HWaddr 00:21:00:34:f7:f4
inet addr:192.168.1.116 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::221:ff:fe34:f7f4/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:9758 errors:0 dropped:0 overruns:0 frame:0
TX packets:4869 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3291516 (3.2 MB) TX bytes:677386 (677.3 KB)
wlan1 Link encap:UNSPEC HWaddr 00-02-72-7B-92-53-33-34-00-00-00-00-00-00-00-00
UP BROADCAST NOTRAILERS PROMISC ALLMULTI MTU:1500 Metric:1
RX packets:112754 errors:0 dropped:0 overruns:0 frame:0
TX packets:101 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:18569124 (18.5 MB) TX bytes:12874 (12.8 KB)
wmaster0 Link encap:UNSPEC HWaddr 00-21-00-34-F7-F4-00-00-00-00-00-00-00-00-00-00
UP RUNNING MTU:0 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)
wmaster1 Link encap:UNSPEC HWaddr 00-02-72-7B-92-53-00-00-00-00-00-00-00-00-00-00
UP RUNNING MTU:0 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)
这是我的 iwconfig 设置:
daniel@seasonBlack:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wmaster0 no wireless extensions.
wlan0 IEEE 802.11bg ESSID:"linksys"
Mode:Managed Frequency:2.437 GHz Access Point: 00:18:F8:D6:17:34
Bit Rate=54 Mb/s Tx-Power=27 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=68/70 Signal level=-42 dBm Noise level=-69 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
wmaster1 no wireless extensions.
wlan1 IEEE 802.11bg Mode:Monitor Frequency:2.437 GHz Tx-Power=27 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
以下是我如何知道我处于正确频道的方法:
daniel@seasonBlack:~$ iwlist channel
lo no frequency information.
eth0 no frequency information.
wmaster0 no frequency information.
wlan0 11 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Current Frequency=2.437 GHz (Channel 6)
wmaster1 no frequency information.
wlan1 11 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Current Frequency=2.437 GHz (Channel 6)
答案1
好吧,我明白了。这是我的 wlan1 上的网络适配器。一定是芯片组或驱动程序出了问题。
我所做的就是在 wlan0 上启用监控模式,并正常连接到 wlan1。之后,我配置了 wireshark 来监控 wlan0 接口上的流量。之后我可以看到所有的流量。
答案2
如果我错了,请纠正我,但原因可能是因为你只嗅探进入你机器的流量。为了查看子网上的所有流量,你必须跨越交换机上的端口或毒害交换机的 ARP 缓存。