DEFCON CTF 2009 Binary 300

The answer is the 16 byte decryption key used in the file linked here. Enter in the form: \xaa\xbb\xcc... http://shallweplayaga.me/binary/4b2c8b145e30208d00d7ddebd7034560 リンクにあるファイルに使われている16バイトの復号鍵(\xaa\xbb\xcc...…

DEFCON CTF 2009 Crypto 400

pwn11.ddtek.biz http://shallweplayaga.me/crypto/eb24fae687eaa7d4441e727cf892beac サーバ名(pwn11.ddtek.biz)と、バイナリが配布される 配布されるバイナリ(実行ファイル)が上記サーバで動いているので 実行ファイルを解析して上記サーバへ攻撃し、…

DEFCON CTF 2009 Trivial 400

Doh, an oldie but goodie. Find password please. http://shallweplayaga.me/trivial/105f86deaafc709c9746a33634f1dbda まず何のファイルか確認 $ file 105f86deaafc709c9746a33634f1dbda 105f86deaafc709c9746a33634f1dbda: tcpdump capture file (little…

DEFCON CTF 2009 Forensics 300

One of these things is not like the other. http://shallweplayaga.me/forensics/46646289fff26adc096853ae13b7eba6 まず何のファイルか確認 $ file 46646289fff26adc096853ae13b7eba6 46646289fff26adc096853ae13b7eba6: Zip archive data, at least v2.0…

DEFCON CTF 2009 Forensics 200

Provide the key in its original, unl33t form. http://shallweplayaga.me/forensics/70b06421d874ba02b7b50f575759cff7 まず何のファイルか確認 $ file 70b06421d874ba02b7b50f575759cff7 70b06421d874ba02b7b50f575759cff7: gzip compressed data, from U…

DEFCON CTF 2009 Pwtent 300

pwn23.ddtek.biz http://shallweplayaga.me/pwnable/da6d6bf2e2058ec98f67bf6b0e608c79 まず何のファイルか確認 # file da6d6bf2e2058ec98f67bf6b0e608c79 da6d6bf2e2058ec98f67bf6b0e608c79: ELF 32-bit LSB executable, Intel 80386, version 1 (FreeBSD),…

DEFCON CTF 2009 Crypto 300

If your gang's pretty good, you'll work your way in. http://shallweplayaga.me/crypto/354d8654372c0e5fff66803da7d9dfed まず何のファイルか確認 $ file 354d8654372c0e5fff66803da7d9dfed 354d8654372c0e5fff66803da7d9dfed: tcpdump capture file (li…

DEFCON CTF 2009 Packet 100

Exceptions in comments make exceptional passwords http://shallweplayaga.me/packet/a9366acd80efa0aa78c2f76d9702f033 まず何のファイルか確認 $ file a9366acd80efa0aa78c2f76d9702f033 a9366acd80efa0aa78c2f76d9702f033: tcpdump capture file (littl…

DEFCON CTF 2009 Binary 100

find a key http://shallweplayaga.me/binary/f414376cc2322d4ad4c5cd364e89fd34 まず何のファイルか確認 $ file f414376cc2322d4ad4c5cd364e89fd34 f414376cc2322d4ad4c5cd364e89fd34: ELF 32-bit LSB executable, Intel 80386, version 1 (GNU/Linux), sta…