2
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?

More than 5 years have passed since last update.

SECCON 2016 Online CTF Write up

Posted at

SECCONというかCTFの大会初参加です。チームdendenmushiで部活の後輩達と200点獲得し、452位でした。

Vigenere

後輩「MD5から逆算出来ちゃったんですけど……」
誰かが確認にこのサイト使ったんでしょうね……。おもいっきりズルだと思います。
http://www.kiyori.co.jp/md5reverse/

SECCON{ABABABCDEDEFGHIJJKLMNOPQRSTTUVWXYYZ}

VoIP

pcapファイルを落としてWiresharkで読み込んで再生して聞き取り。
http://www.terilogy.com/momentum/wireshark/wireshark01.html

SECCON{9001IVR}

'9'がどうしても聞き取れませんでした……。

最後に

Writeup読んでもっと勉強しなきゃ(使命感)

2
0
0

Register as a new user and use Qiita more conveniently

  1. You get articles that match your needs
  2. You can efficiently read back useful information
  3. You can use dark theme
What you can do with signing up
2
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?