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Thread: TROUBLE : ndiswrapper/monitor/broadcom/airodump/aircrack : HELP PLEASE

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  1. #1
    Just burned his ISO
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    Default TROUBLE : ndiswrapper/monitor/broadcom/airodump/aircrack : HELP PLEASE

    Ok I am trying to get all these backtrack tools to work on my computer. Unfortunately I have a broadcom wifi adapter, but thats not the issue. I am able to get the adapter working with ndiswrapper and I am able to see networks through the wifi manager. Until yesterday I didnt know I needed to be in monitor mode to get things to work. So I did some research and found out that monitor mode is not supported through monitor mode. So I did some more searching and found a patch to ndiswrapper called bcmmon that enables it to go into monitor mode. So I followed these steps and as you can see I got everything up and running and put wlan0 into monitor mode but when I try to run airodump-ng and aircrack-ng I get two seperate errors. One saying that ndiswrapper does not support monitor mode and the other that says it cannot see any networks. It shows that I put it into monitor mode and I can view the available wireless networks in the wifi manager. Is there anyone who has dealt with these issues or someone who knows what to do? Below is exactly what I did and what the outputs are. Thanks




    bt ~ # rmmod bcm43xx
    bt ~ # tar jxf bcmmon.tar.bz2
    bt ~ # tar zxf ndiswrapper-1.53.tar.gz
    bt ~ # patch -p1 < ./bcmmon.diff
    patching file ndiswrapper-1.53/driver/iw_ndis.c
    patching file ndiswrapper-1.53/driver/iw_ndis.h
    patching file ndiswrapper-1.53/driver/ndis.c
    bt ~ # cd ndiswrapper-1.53
    bt ndiswrapper-1.53 # make
    make -C driver
    make[1]: Entering directory `/root/ndiswrapper-1.53/driver'
    make -C /usr/src/linux-2.6.21.5 M=/root/ndiswrapper-1.53/driver
    make[2]: Entering directory `/usr/src/linux-2.6.21.5'
    LD /root/ndiswrapper-1.53/driver/built-in.o
    MKEXPORT /root/ndiswrapper-1.53/driver/crt_exports.h
    MKEXPORT /root/ndiswrapper-1.53/driver/hal_exports.h
    MKEXPORT /root/ndiswrapper-1.53/driver/ndis_exports.h
    MKEXPORT /root/ndiswrapper-1.53/driver/ntoskernel_exports.h
    MKEXPORT /root/ndiswrapper-1.53/driver/ntoskernel_io_exports.h
    MKEXPORT /root/ndiswrapper-1.53/driver/rtl_exports.h
    MKEXPORT /root/ndiswrapper-1.53/driver/usb_exports.h
    CC [M] /root/ndiswrapper-1.53/driver/crt.o
    CC [M] /root/ndiswrapper-1.53/driver/hal.o
    CC [M] /root/ndiswrapper-1.53/driver/iw_ndis.o
    CC [M] /root/ndiswrapper-1.53/driver/loader.o
    CC [M] /root/ndiswrapper-1.53/driver/ndis.o
    CC [M] /root/ndiswrapper-1.53/driver/ntoskernel.o
    CC [M] /root/ndiswrapper-1.53/driver/ntoskernel_io.o
    CC [M] /root/ndiswrapper-1.53/driver/pe_linker.o
    CC [M] /root/ndiswrapper-1.53/driver/pnp.o
    CC [M] /root/ndiswrapper-1.53/driver/proc.o
    CC [M] /root/ndiswrapper-1.53/driver/rtl.o
    CC [M] /root/ndiswrapper-1.53/driver/wrapmem.o
    CC [M] /root/ndiswrapper-1.53/driver/wrapndis.o
    CC [M] /root/ndiswrapper-1.53/driver/wrapper.o
    CC [M] /root/ndiswrapper-1.53/driver/usb.o
    CC [M] /root/ndiswrapper-1.53/driver/divdi3.o
    LD [M] /root/ndiswrapper-1.53/driver/ndiswrapper.o
    Building modules, stage 2.
    MODPOST 1 modules
    CC /root/ndiswrapper-1.53/driver/ndiswrapper.mod.o
    LD [M] /root/ndiswrapper-1.53/driver/ndiswrapper.ko
    make[2]: Leaving directory `/usr/src/linux-2.6.21.5'
    make[1]: Leaving directory `/root/ndiswrapper-1.53/driver'
    make -C utils
    make[1]: Entering directory `/root/ndiswrapper-1.53/utils'
    gcc -g -Wall -I../driver -o loadndisdriver loadndisdriver.c
    make[1]: Leaving directory `/root/ndiswrapper-1.53/utils'
    bt ndiswrapper-1.53 # cd ..
    bt ~ # ndiswrapper -i bcmwl5.inf
    installing bcmwl5 ...
    bt ~ # cd ndiswrapper-1.53/driver/
    bt driver # insmod ./ndiswrapper.ko
    bt ~ # iwconfig
    lo no wireless extensions.

    eth0 no wireless extensions.

    wlan0 IEEE 802.11g ESSIDff/any
    Mode:Managed Frequency:2.462 GHz Access Point: Not-Associated
    Bit Rate=54 Mb/s Tx-Power:32 dBm
    RTS thr=2347 B Fragment thr=2346 B
    Encryption keyff
    Power Managementff
    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

    bt ~ # iwconfig wlan0 mode monitor
    bt ~ # iwconfig
    lo no wireless extensions.

    eth0 no wireless extensions.

    wlan0 IEEE 802.11g ESSIDff/any
    Mode:Monitor Frequency:2.462 GHz Access Point: Not-Associated
    Bit Rate=54 Mb/s Tx-Power:32 dBm
    RTS thr=2347 B Fragment thr=2346 B
    Encryption keyff
    Power Managementff
    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
    bt ~ # airodump-ng wlan0
    Ndiswrapper doesn't support monitor mode.
    bt ~ # aircrack-ng wlan0
    Opening wlan0
    open failed: No such file or directory
    Read 0 packets.

    No networks found, exiting.


    Quitting aircrack-ng...
    bt ~ #

  2. #2
    Senior Member secure_it's Avatar
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    Ndiswrapper works only in managed mode.you can't use them for monitor mode as error indicating.second thing the command syntax of aircrack-ng is wrong.read it properly as it needs a input capture file to process.upgrade the kernel to latest one 2.26+ to support those broadcom cards.

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