Cracking WPA with oclHashcat GPU on Windows pt 2


This tutorial displays you how to crack the WPA/WPA2 wi-fi network key making use of oclHashcat on Windows with the electrical power of GPU’s. My older Radeon 7670M video clip card does an regular of 20kh (twenty.000 attempts) per 2nd where by an AMD HD7970 videocard can do 142kh (142.000 attempts) per 2nd and eight x NVidea Titan X playing cards can do two.233 kh per 2nd. This can make brute forcing routers with effortless default passwords like TP-Link (default WPS PIN) or the conventional UPC broadband routers (eight funds letters) a piece of cake. In the initially part of the tutorial we made 26 distinct wordlists which enables us to distribute the wordlist in excess of various PC’s with various GPU’s. Off class you can and you will problem the price effectiveness of this setup with it presents us a superior knowing of what is a powerful password and what is not in phrases of crackability with GPU’s.

This tutorial commences where by part 1 has ended. In part 1 we generated the wordlists making use of Crunch and we captured the 4 way handshake:

Aspect 1:
Changing .pcap to .hccap:

oclHashcat downloads

Initially we need to install AMD Catalyst 14.nine (and precisely this variation, usually oclHashcat won’t work) and down load oclHashcat. Windows and Linux variations need to work on both 32 and 64 bit.

oclHashcat 1.35 Windows down load:
AMD Catalyst 14.nine: software-suite-vista-7-eight-64-bit/mirrors (or use AMD web-site)

Update: Alongside one another with the launch of Hascat two. the builders has resolved to make Hashcat and oclHashcat an open up supply challenge. The sourcecode is readily available from GitHub:

OclHashcat two. has fixes for the following bugs:

  • –increment-max challenge: it did not make it possible for to established a benefit equal to the mask duration
  • table lookup fix: there was a restrict in spot which was lifted now
  • –remove race problem: hashcat did not always promise that all cracked hashes will be taken off at the stop

The builders also included a new algorithm:

  • -m 1431 = base64(sha256(unicode($move)))


Cracking WPA with oclHashcat

Store the wordlist textual content file and the .hccap file in the oclHashcat folder and proper click on the oclHashcat folder and decide on “Open Command Prompt Here”.


Use the following command to commence oclHashcat:

oclHashcat64 -m 2500 -w 3 –gpu-temp-keep=60 –status -o cracked.txt upc.hccap alist.txt

-m 2500 = WPA/WPA2
-w 3 = Workload profile significant latency
-o = Output file path for end result file

Take note: –gpu-temp-keep is AMD only.

When oclHashcat is carried out just take a glance at the cracked.txt file which is stored in the oclHashcat folder.


Lesson discovered

Now fast GPU’s are readily available for respectable prices and come to be the conventional in consumer laptops and desktops, the regular dwelling person has the electrical power to crack passwords which are deemed powerful and risk-free by quite a few stop customers. A password containing eight quantities can be cracked with great ease inside a incredibly realistic time frame (few hours with 20kh/sec). When you’re the very pleased proprietor of a TP Link router than adjust the default password as shortly as probable. Think about a password of at minimum 10 characters containing reduce- and uppercase letters, digits and special signals.

If you’re intrigued in finding out more about WiFi hacking and wi-fi in normal, you can observe any of these on the net classes:

On the net Hacking Classes

Understand Wi-fi Hacking/Penetration Screening From Scratch

This class incorporates 50 Video clips to master simple assaults to examination the protection of Wi-fi and wired networks from scratch making use of Linux. Examine more…

ARP spoofing & Man In The Center Attacks Execution & Detection

Understand simple assaults to examination the protection of purchasers connected to a network and how to defend versus these assaults. Examine more…


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