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net sniffers help - Page 3

post #21 of 48
They have either physical access of you have been keylogged.

There is no chance in hell they can crack a 26-digit WPA2, never mind multiple keys.

You can normally tell if anyone is accessing your Wireless by accessing your router and looking at the DHCP Client list.
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post #22 of 48
You are certain that it's a WiFi entry point that is compromised? Can you give us some more details on how you identified it? I'm going to go out on a limb here & suggest with your format...don't. Do a full secure deletion via DBAN (free opensource & extremely effective. IMPORTANT: Read the instructions before usage!) just to be sure, then format & reinstall. My guess is that you have a certain little bot inhabiting your MBR.

Reason being, that the likely hood of someone being able to crack a 26 character WPA2 encryption multiple times is ultimately so minute, as to not be worthy of consideration. That would take decades using current parrallel gpu hashing techniques, just to crack one random password of only 15 characters (by random I mean an extended ASCII character table randomized to avoid misinterpretation).

As others have said, there is something else going on inside your system that simply has not been found yet. Not having been found however, doesn't necessarily mean that there is nothing there.


http://www.dban.org/download
Edited by Lucky 13 SpeedShop - 7/21/11 at 12:49pm
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post #23 of 48
Kain and abel needs Abel to be dropped inside C:\\Windows folder and it creates a service in common site. If you go to services look for a Abel service.
If they manage to crack your wireless with kain and abel then your password is weak and its something you can find in a dictionary
post #24 of 48
What is your WPA2 Encryption and Cipher? Make sure that it is AES not TKIP.
post #25 of 48
Thread Starter 
hey everyone.

well i got all my stuff together for a full reformat etc.

im pretty sure there is more than just wifi hacking going on or who knows what ?

anyway things i have found of how there probably doing it etc is as follows

backtrack
wireshark
mac spoofing
ettercap
airpcap
cain/abel
fake AP's
keyloggers
silent vnc's

etc etc

now my prevention plan is to basically get another new router in the 5ghz band & a couple of dongles.

reformat Os

close down all unused ports & use mac filtering with static ip leases for each client.

use some long ass passwords on everything. and secure it up as much as possible

i can say its definitely the wifi cause since ive been on a wired connection nothing has happened since.

also all the unusual behavior from me sniffing about has dissapeared & i also changed my ssid which is non-broadcast to 'Now im Watching You'.

ill be doing my reformat etc over the weekend as im gonna get my new stuff on saturday.

im gonna get a couple of new SSD's to raid aswell while im at it.

still unsure which though.

120GB corsair force 3 or 120GB munshkin chronos

oh the router ive seen is a linksys e3000 anybody here got one & is it any good?

cheers everyone for all the suggestions.

bloody hackers dont like it when the tables turn on them do they.

i was just speaking to one of my neighbours who often asks me for help with his comp problems & he said something was up with his aswell 'keeps dropping out on him' anyway had a look at his logs & a lot of suspicous macs that dont belong there showing up.

so now ive got something to identify them 'i think anyway'

i couldnt really identify anybody on mine cause of mac filtering but it looks like they ****ed up on this one.

anyway after sniffing about to see if any of these macs connect to an AP i identified who it might be. gonna use my mates iphone to sniff where the AP is & confront them with evidence.

should we call the cops on them or just beat the living **** out of them.
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post #26 of 48
Mmm.... a good ol' nerd beat down, nothing quite like it
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post #27 of 48
"MAC filtering" or "SSID hiding" are two of the biggest myths in wireless LAN security
Use WPA-PSK mode with a random key. Don’t use words in the dictionary or a variation of them because they can easily be cracked. It’s better to simply store the key on a USB dongle
post #28 of 48
You don't need a new router, I think we have all agreed that there is no way different wpa keys are being "hacked". There was something else going on that hopefully you have addressed with formatting.
post #29 of 48
WPA2 should be secure - if he's still getting past it, it must be something else, like a weak password. Or maybe he's not even doing anything with your wireless.

For the record, wireless encryption does encrypts the packets... if it didn't, there would be no point.

You don't really understand what you're doing, so just set up WPA2 with PSK and use a strong password. Everything else you plan on doing will just be a waste of time and money.

Also install Windows again and don't fall for social engineering.
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post #30 of 48
Quote:
Originally Posted by tats View Post
You don't need a new router, I think we have all agreed that there is no way different wpa keys are being "hacked". There was something else going on that hopefully you have addressed with formatting.
Extremely off topic, but whenever you say something, i cant help but imagine it in Sheldons voice..

On topic, there is no way he is "hacking" WPA. I would re-install windows and change all your passwords. If that doesnt solve the problem and you know its going on, you could always try contacting the police?
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