attack failed: aireplay-ng exited unexpectedly

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Do you have any idea what may have caused this bug?  Guesses are helpful!

not sure

What operating system are you running? Backtrack 5 R2? 32 or 64 bit?
Blackbuntu?

Backtrack 5R2

What version of the wifite are you using?

new BETA v2 BETA9

Please provide any additional information below.  A paste of the error is
very helpful!

Same issue with 2 different laptops one with Broadcom and one with Atheros. 
Happens also when i have succesfully faked authentication with the Broadcom.

Keep getting the error : attack failed: aireplay-ng exited unexpectedly

 [0:10:00] preparing attack "The xxxxxxx connection" (00:11:22:33:44:55)
 [0:10:00] attempting fake authentication (5/5)...  failed   
 [0:10:00] attacking "The xxxxxxxxxx connection" via arp-replay attack
 [0:09:54] attack failed: aireplay-ng exited unexpectedly
 [0:10:00] attacking "The xxxxxxxx connection" via chop-chop attack
 [0:09:54] attack failed: unable to generate keystream        
 [0:10:00] attacking "The xxxxxxxx connection" via fragmentation attack
 [0:09:54] attack failed: unable to generate keystream        
 [0:10:00] attacking "The xxxxxxxxx connection" via caffe-latte attack
 [0:09:54] attack failed: aireplay-ng exited unexpectedly
 [0:10:00] attacking "The xxxxxxxx connection" via p0841 attack
 [0:09:35] captured 0 ivs @ 0 iv/sec                
 (^C) WEP attack interrupted

Any advice would be great, or is this a bug?

Original issue reported on code.google.com by cn.robe...@me.com on 8 Apr 2012 at 8:27

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That sounds like a bug.

Have you tried cracking the access point using aircrack-ng and the command-line?

Follow this tutorial: 
http://www.aircrack-ng.org/doku.php?id=simple_wep_crack#step_1_-_start_the_wirel
ess_interface_in_monitor_mode_on_ap_channel

If the tutorial works for you, then it's definitely a bug with Wifite.  

If the tutorial does not work, your wireless cards may not be capable of 
monitor mode or injection.

Please let me know whether or not you are successful.

Original comment by der...@gmail.com on 26 Apr 2012 at 5:48

• Changed state: Accepted

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i swapped out the wireless card to an Atheros internal and it seems to work, 
seems this was happening with Broadcomm b/g/n wireless card using brscmac 
drivers.
So not a bug in wifite i think

Original comment by cn.robe...@me.com on 29 Apr 2012 at 10:57

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same issue here
tested on two different compters
one of them has cracked WEP pwds before

 [0:10:00] preparing attack "xxxx" (xxxx)
 [0:10:00] attempting fake authentication (5/5)...  failed   
 [0:10:00] attacking "xxxx" via arp-replay attack
 [0:09:54] attack failed: aireplay-ng exited unexpectedly
 [0:10:00] attempting fake authentication (5/5)...  failed   
 [0:10:00] attacking "xxxx" via chop-chop attack
 [0:09:54] attack failed: unable to generate keystream        
 [0:10:00] attempting fake authentication (5/5)...  failed   
 [0:10:00] attacking "xxxx" via fragmentation attack
 [0:09:54] attack failed: unable to generate keystream        
 [0:10:00] attempting fake authentication (5/5)...  failed   
 [0:10:00] attacking "xxxx" via caffe-latte attack
 [0:09:54] attack failed: aireplay-ng exited unexpectedly
 [0:10:00] attempting fake authentication (5/5)...  failed   
 [0:10:00] attacking "xxxx" via p0841 attack
 [0:10:00] attempting fake authentication (5/5)...  failed   
 [0:00:00] unable to carry out hirte attack: no clients

 [0:00:00] attack complete: failure

Original comment by plokij...@gmail.com on 27 Oct 2012 at 5:49

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I have the same problem with an atheros card when i try to crack WEP. 

I tested my wirecard with aireplay-ng -9 mon0 and it seems to work ok.

Any suggestions???

Original comment by madski...@gmail.com on 7 Nov 2012 at 12:11

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i reinstalled to bACKTRACK 5 R3 and im getting this issue back again

Original comment by cn.robe...@me.com on 12 Nov 2012 at 9:12

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Having the same issue here. Machine is a Asus EeePC 900 running Backbox 2.5, 
seems to work when using the internal Atheros wireless chipset, won't work when 
using the connected ALFA AWUS036H Wireless USB Adapter, though it has been 
reported as one of the most compatible USB adapters for linux. Used to work in 
the past, but now i am getting this "attack failed: aireplay-ng exited 
unexpectedly" error every time.

Original comment by a.ghi...@gmail.com on 28 Nov 2012 at 7:56

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mencoba otentikasi palsu (5/5) ... gagal
saya tidak terlalu paham dengan ke gagalan ini 
tolong kasih saya saran???

Original comment by andysa...@gmail.com on 24 Mar 2013 at 10:36

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aireplay-ng exited unexpectedly

Original comment by solloman...@gmail.com on 26 Mar 2013 at 4:16

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same here

Original comment by watge...@gmail.com on 16 Apr 2013 at 5:55

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This may be due to not having the channel set properly.  By patching in a call 
to iwconfig just before the call to airodump-ng, this problem was eliminated in 
our setup.

Add the following lines right before "  # Start airodump process to capture 
packets"

    #HACK set channel with iwconfig
    print G+' setting channel'
    cmd_iwconfig = ['iwconfig',
        iface,
        'channel', target.channel]
    proc_iwconfig = Popen(cmd_iwconfig, stdout=DN, stderr=DN)

Also, you can retrieve a wep key much faster with aircrack-ptw.  Maybe a patch 
for that in the future...

Original comment by ad...@openschemes.com on 21 Apr 2013 at 1:57

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Apologies, our last post only works for some simple cases.  Please ignore it.

The problem seems to be in channel set, but some stubborn interfaces only set 
properly after they are first brought up in monitor mode.  After a few 
operations, iwconfig will die due to interface busy.

The real fix is to bring down ALL monitors with airmon-ng (even the base 
interface), then bring up a monitor and immediately set it's channel to the 
target.  This code gets pasted in the same place: Right before # Start airodump 
process.  It seems to work for stubborn interfaces as well.

    #HACK set channel with iwconfig.  Need to stop/start for clean channel set.  Dunno why
    print G+' Shutting down all interfaces and bringing up clean with channel set'
    proc  = Popen(['airmon-ng'], stdout=PIPE, stderr=DN)
    for line in proc.communicate()[0].split('\n'):
        if len(line) == 0 or line.startswith('Interface'): continue
        print W+' Stopping ' + line.split('\t')[0]  #Just for debug
        call(['airmon-ng', 'stop', line.split('\t')[0]], stdout=DN, stderr=DN)
        print G+' Stopped...'
    #Now restart monitor mode and set channel FIRST before doing anything else  
    iface=get_iface()
    call(['iwconfig', iface, 'channel', target.channel])
    print 'done'

Original comment by ad...@openschemes.com on 21 Apr 2013 at 4:58

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Found there's an even easier solution that takes no hacking to the script.  
Simply use airmon-ng (or ifconfig/iwconfig) to put down and bring up the 
interface before running the script.  Then, the script runs properly without 
having to bring down the interfaces midway through.

This was added to /etc/init.d/done on an openwrt box to take care of the 
interface upon bootup.
  /usr/sbin/airmon-ng stop wlan0
  /usr/sbin/airmon-ng start wlan0

Then, once the openwrt box is done booting a user can SSH in over wifi and use 
wifite to analyze their network (on the same wifi hardware) without ever being 
disconnected.  Much nicer than being booted off SSH halfway through!

Original comment by ad...@openschemes.com on 23 Apr 2013 at 1:02

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Same issue - wifite has worked great for well over a year, even after making 
the move to Kali from BT5. 

All of a sudden it will no longer associate with WEP access points. I get the 
same failure notices as those posting before me.

What I've tried
Various laptops with various wifi devices known to have worked in the past
Un-installed / re-installed wifite
Adding and removing possible hardware conflicts (removed second wifi card for 
example)
Deleted OS, re-downloaded and installed. (did not resolve outlined issue)
Created live Kali USB and tried it on various hardware pieces with the same 
results. 
I also tried the suggestions here with no luck (example: forced mon0 to 
matching channel)

Thoughts?

Original comment by brock1...@gmail.com on 17 Nov 2013 at 7:23

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Same here, i;'m using TP link TL-WN722N on Nexus 7 with kali pwnpad installed.

Original comment by gatkowsk...@gmail.com on 17 Nov 2013 at 8:04

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I had the same issue and found the solution in this link 
https://code.google.com/p/wifite/issues/detail?id=127 I hope it helps everyone.

Original comment by andrad...@gmail.com on 23 Apr 2014 at 3:40

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As far as I can tell, the cause of this is the reckless technique currently 
used to identify the MAC address of the interface in use. Currently wifite is 
scraping ifconfig. I am currently using net-tools 2.10. Instead of scraping the 
MAC it is scraping the MTU, and unsurprisingly aireplay dislikes this.

Stack Overflow has plenty of superior, reliable methods for reliably getting an 
interface's MAC address: 
https://stackoverflow.com/questions/159137/getting-mac-address
I suggest someone implements one of these.

Original comment by innocenc...@googlemail.com on 26 May 2014 at 6:18

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The attached patch should get it working.

Original comment by innocenc...@googlemail.com on 29 May 2014 at 3:42

Attachments:

• get_mac_address.patch

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L.ait.tahala@gmail.com 

hey brother
when u have this problem be seriously that you need own client in the wifi that 
you want to crack
it's very important

Original comment by L.ait.ta...@gmail.com on 12 Oct 2014 at 3:46

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I still encounter this issue, even after adding the ignore -1 lines and after 
no success adding the channel set script in this thread.

Aircrack works fine standalone. My setup is capable of injection. Ubuntu 
14/Alfa NHA.

Is there any help lurking around out there? 

Original comment by highp...@gmail.com on 28 Oct 2014 at 2:22

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In case anyone else comes across the same issue, the answer is embarrasingly 
simple. 

'stop network-manager' prior to running wifite.

Original comment by highp...@gmail.com on 30 Oct 2014 at 1:23

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Same problem here.

Original comment by dlanileonardo on 7 Jan 2015 at 6:25

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I think #19 innocenc...@googlemail.com nailed the problem. There is someone 
that is working on the project that could use his patch?

Original comment by piercost...@gmail.com on 8 Jan 2015 at 9:57