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Pixiewps - Bruteforce Offline the WPS Pin (Pixie Dust Attack)

| Post sponsored by FaradaySEC | Multiuser Pentest Environment

Pixiewps is a tool written in C used to bruteforce offline the WPS pin exploiting the low or non-existing entropy of some APs (pixie dust attack). It is meant for educational purposes only. All credits for the research go to Dominique Bongard.

DEPENDENCIES
Pixiewps requires libssl. To install it:
    sudo apt-get install libssl-dev

INSTALLATION
Pixiewps can be built and installed by running:
    ~/pixiewps$ cd src
    ~/pixiewps/src$ make
    ~/pixiewps/src$ sudo make install

USAGE
 Usage: pixiewps <arguments>

 Required Arguments:

    -e, --pke           : Enrollee public key
    -r, --pkr           : Registrar public key
    -s, --e-hash1       : Enrollee Hash1
    -z, --e-hash2       : Enrollee Hash2
    -a, --authkey       : Authentication session key

 Optional Arguments:

    -n, --e-nonce       : Enrollee nonce
    -m, --r-nonce       : Registrar nonce
    -b, --e-bssid       : Enrollee BSSID
    -S, --dh-small      : Small Diffie-Hellman keys (PKr not needed)   [No]
    -f, --force         : Bruteforce the whole keyspace                [No]
    -v, --verbosity     : Verbosity level 1-3, 1 is quietest            [3]

    -h, --help          : Display this usage screen


USAGE EXAMPLE
A common usage example is:
    pixiewps --pke <pke> --pkr <pkr> --e-hash1 <e-hash1> --e-hash2 <e-hash2> --authkey <authkey> --e-nonce <e-nonce>
which requires a modified version of Reaver or Bully which prints AuthKey. The recommended version is reaver-wps-fork-t6x.
If the following message is shown:
[!] The AP /might be/ vulnerable. Try again with --force or with another (newer) set of data.
then the AP might be vulnerable and Pixiewps should be run again with the same set of data along with the option --force or alternatively with a newer set of data.

DESCRIPTION OF ARGUMENTS
    -e, --pke

        Enrollee's DH public key, found in M1.

    -r, --pkr

        Registrar's DH public key, found in M2 or can be avoided by specifying
        --dh-small in both Reaver and Pixiewps.

    -s, --e-hash1

        Enrollee Hash-1, found in M3.

    -z, --e-hash2

        Enrollee Hash-2, found in M3.

    -a, --authkey

        Registration Protocol authentication session key. Although for this parameter a
        modified version of Reaver or Bully is needed, it can be avoided by specifying
        small Diffie-Hellman keys in both Reaver and Pixiewps and supplying --e-nonce,
        --r-nonce and --e-bssid.

    -n, --e-nonce

        Enrollee's nonce, found in M1.

    -m, --r-nonce

        Registrar's nonce, found in M2.

    -b, --e-bssid

        Enrollee's BSSID.

    -S, --dh-small

        Small Diffie-Hellman keys. The same option MUST be specified in Reaver
        (1.3 or later versions) too. This option should be avoided when possible.

    -f, --force

        Force Pixiewps to bruteforce the whole keyspace (only for one type of PRNG).
        It could take up to several minutes to complete.

    -v, --verbosity

        Verbosity level (1-3). Level 3 displays the most information.

    -h, --help

        Display usage screen.


Pixiewps - Bruteforce Offline the WPS Pin (Pixie Dust Attack) Pixiewps - Bruteforce Offline the WPS Pin (Pixie Dust Attack) Reviewed by Zion3R on 8:32 PM Rating: 5