SOUZ': maio 2023

Bruno Souza

COWPATTY WIFI PASSWORD CRACKING TOOL

CoWPAtty is a wifi password cracking tool. Implementation of a dictionary attack against WPA/WPA2 networks using PSK-based authentication (e.g. WPA-Personal). Many enterprise networks deploy PSK-based authentication mechanisms for WPA/WPA2 since it is much easier than establishing the necessary RADIUS, supplicant and certificate authority architecture needed for WPA-Enterprise authentication. Cowpatty can implement an accelerated attack if a precomputed PMK file is available for the SSID that is being assessed. Download coWPAtty wifi password cracking tool.

It's a pre-built tool for Kali Linux which you can find in the /usr/local/bin directory. It's also available for the windows but it doesn't work as fine as it does in the Kali.

DOWNLOAD COWPATTY WIFI PASSWORD CRACKING TOOL

For windows, you can download it from here. As it becomes pre-built in Kali, you do not need to download it. You just have to follow the path /usr/local/bin directory to find it in your Kali Linux OS.

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Bruno Souza

Hackerhubb.blogspot.com

HOW TO HACK SNAPCHAT ACCOUNT BY MAC SPOOFING?

Note: This method will work if SnapChat is created on a phone number.

Here I will show you complete tutorial step by step of hacking the SnapChat account. Just understand each step carefully.

Find out the victim's phone and note down it's Mac address. To get the mac address in Android devices, go to Settings > About Phone > Status > Wifi Mac address. And here you'll see the mac address. Just write it somewhere. We'll use it in the upcoming steps.
As you get the target's mac address, you have to change your phone's mac address with the target's mac address. Perform the steps mentioned in this article on how to spoof mac address in android phones.
Now install SnapChat on your phone and use victim's number while you're creating an account. It'll send a verification code to victim's phone. Just grab the code and enter it here.
Once you do that, it'll set all and you'll get all chats and messages which victims sends or receives.

This method is really a good one but very difficult for the non-technical users. Only use this method if you're technical skills and have time to perform every step carefully. Otherwise, you can hack SnapChat account using Spying app.

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Bruno Souza

Just connecting to the service, a 64bit cpu registers dump is received, and so does several binary code as you can see:

The registers represent an initial cpu state, and we have to reply with the registers result of the binary code execution. This must be automated becouse of the 10 seconds server socket timeout.

The exploit is quite simple, we have to set the cpu registers to this values, execute the code and get resulting registers.

In python we created two structures for the initial state and the ending state.

cpuRegs = {'rax':'','rbx':'','rcx':'','rdx':'','rsi':'','rdi':'','r8':'','r9':'','r10':'','r11':'','r12':'','r13':'','r14':'','r15':''}
finalRegs = {'rax':'','rbx':'','rcx':'','rdx':'','rsi':'','rdi':'','r8':'','r9':'','r10':'','r11':'','r12':'','r13':'','r14':'','r15':''}

We inject at the beginning several movs for setting the initial state:

for r in cpuRegs.keys():

code.append('mov %s, %s' % (r, cpuRegs[r]))

The 64bit compilation of the movs and the binary code, but changing the last ret instruction by a sigtrap "int 3"

We compile with nasm in this way:

os.popen('nasm -f elf64 code.asm')

os.popen('ld -o code code.o ')

And use GDB to execute the code until the sigtrap, and then get the registers

fd = os.popen("gdb code -ex 'r' -ex 'i r' -ex 'quit'",'r')

for l in fd.readlines():

for x in finalRegs.keys():

...

We just parse the registers and send the to the server in the same format, and got the key.

The code:

from libcookie import *

from asm import *

import os

import sys

host = 'catwestern_631d7907670909fc4df2defc13f2057c.quals.shallweplayaga.me'

port = 9999

cpuRegs = {'rax':'','rbx':'','rcx':'','rdx':'','rsi':'','rdi':'','r8':'','r9':'','r10':'','r11':'','r12':'','r13':'','r14':'','r15':''}

finalRegs = {'rax':'','rbx':'','rcx':'','rdx':'','rsi':'','rdi':'','r8':'','r9':'','r10':'','r11':'','r12':'','r13':'','r14':'','r15':''}

fregs = 15

s = Sock(TCP)

s.timeout = 999

s.connect(host,port)

data = s.readUntil('bytes:')

#data = s.read(sz)

#data = s.readAll()

sz = 0

for r in data.split('\n'):

for rk in cpuRegs.keys():

if r.startswith(rk):

cpuRegs[rk] = r.split('=')[1]

if 'bytes' in r:

sz = int(r.split(' ')[3])

binary = data[-sz:]

code = []

print '[',binary,']'

print 'given size:',sz,'bin size:',len(binary)

print cpuRegs

for r in cpuRegs.keys():

code.append('mov %s, %s' % (r, cpuRegs[r]))

#print code

fd = open('code.asm','w')

fd.write('\n'.join(code)+'\n')

fd.close()

Capstone().dump('x86','64',binary,'code.asm')

print 'Compilando ...'

os.popen('nasm -f elf64 code.asm')

os.popen('ld -o code code.o ')

print 'Ejecutando ...'

fd = os.popen("gdb code -ex 'r' -ex 'i r' -ex 'quit'",'r')

for l in fd.readlines():

for x in finalRegs.keys():

if x in l:

l = l.replace('\t',' ')

try:

i = 12

spl = l.split(' ')

if spl[i] == '':

i+=1

print 'reg: ',x

finalRegs[x] = l.split(' ')[i].split('\t')[0]

except:

print 'err: '+l

fregs -= 1

if fregs == 0:

#print 'sending regs ...'

#print finalRegs

buff = []

for k in finalRegs.keys():

buff.append('%s=%s' % (k,finalRegs[k]))

print '\n'.join(buff)+'\n'

print s.readAll()

s.write('\n'.join(buff)+'\n\n\n')

print 'waiting flag ....'

print s.readAll()

print '----- yeah? -----'

s.close()

fd.close()

s.close()

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