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Radio Frequency Capture the Flag

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    Twitter: and
    Website: - play with us
    Official Support Ticketing System:

    Radio Frequency Capture the Flag

    Do you have what it takes to hack WiFi, Bluetooth, and Software
    Defined Radio (SDR)?

    RF Hackers Sanctuary (the group formerly known as Wireless Village) is
    once again holding the Radio Frequency Capture the Flag (RFCTF) at DEF
    CON 30. RFHS runs this game to teach security concepts and to give
    people a safe and legal way to practice attacks against new and old
    wireless technologies.

    We cater to both those who are new to radio communications as well as
    to those who have been playing for a long time. We are looking for
    inexperienced players on up to the SIGINT secret squirrels to play our
    games. The RFCTF can be played with a little knowledge, a pen tester’s
    determination, and $0 to $$$$$ worth of special equipment. Our new
    virtual RFCTF can be played completely remotely without needing any
    specialized equipment at all, just using your web browser! The key is
    to read the clues, determine the goal of each challenge, and have fun

    There will be clues everywhere, and we will provide periodic updates
    via discord and twitter. Make sure you pay attention to what’s
    happening at the RFCTF desk, #rfctf on our discord, on Twitter
    @rf_ctf, @rfhackers, and the interwebz, etc. If you have a question -
    ASK! We may or may not answer, at our discretion.


    Our virtual RFCTF environment is played remotely over ssh or through a
    web browser. It may help to have additional tools installed on your
    local machine, but it isn’t required.

    Read the presentations at:

    Hybrid Fun

    For DEF CON 30 we will be running in “Hybrid” mode. That means we
    will have both a physical presence AND the virtual game. All of the
    challenges we have perfected in the last 2 years in our virtual game
    will be up and running, available to anyone all over the world
    (including at the conference), free of charge. In addition to the
    virtual challenges, we will also have a large number of “in person”
    only challenges. These “in-person” only challenges will include our
    traditional fox hunts, hide and seeks, and king of the hill
    challenges. Additionally, we will have many challenges which we
    simply haven’t had time or ability to virtualize. It should be clear
    that playing only the virtual game will put you in a severe available
    point disadvantage. Please don’t expect to place if you play virtual
    only, consider the game an opportunity to learn, practice, hone your
    skills, and still get on the scoreboard. The virtual challenges which
    are available will have the same flags as the in-person challenges,
    allowing physical attendees the choice of hacking those challenges
    using either (or both) methods of access.


    To score you will need to submit flags which will range from decoding
    transmissions in the spectrum, passphrases used to gain access to
    wireless access points, or even files located on servers. Once you
    capture the flag, submit it to the scoreboard right away, if you are
    confident it is worth *positive* points. Some flags will be worth
    more points the earlier they are submitted, and others will be
    negative. Offense and defense are fully in play by the participants,
    the RFCTF organizers, and the Conference itself. Play nice, and we
    might also play nice.

    To play our game at DEF CON 30 join SSID: RFCTF_Contestant with
    password: iluvpentoo

    Getting started guide:

    Helpful files (in-brief, wordlist, resources) can be found at

    Support tickets may be opened at


    Twitter: @rf_ctf and @rfhackers
    Website: - play with us
    Official Support Ticketing System:

    Does this contest or event plan to have a pre-qualifier?
    We prefer to accept all players,
    including day of and mid-way through the game. While some of the
    challenges are very serious, many of them are approachable for the
    novice or even first time player.

    As this contest co-locates with the RF Village, our hours are set by
    the village hours, except for closing the contest a little earlier to
    provide winners to the contest team in time for closing ceremonies.

    Friday: 10-18
    Saturday: 10-18
    Sunday: 10-14

    Will your contest or event be Online ONLY, in-person, or both? Both,
    but with a caveat. We have had tremendous success virtualizing the
    wifi and sdr challenges, and those will be available both in person
    (in the air) and hybrid (accessible worldwide through our virtual
    environment). Unfortunately, some wireless and radio technologies are
    not so easy to virtualize, and those challenges will be in person
    only. The purpose of the contest being "hybrid" is to give everyone
    worldwide a chance to play and practice their skills, but the winners
    will have to be present due to the percentage of meatspace only
    challenge points.
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