Announcement: End of Pre-selection 2019

[2019/10/21 08:59PM]

<h3>Challenge pre selection is now over!</h3> <p>We hope you enjoyed participating in this event</p> <p><b>The top challengers will be contacted by the challenge organizers to form the teams that will compete in the final taking place in Rennes November 21st</b></p> <p>Please send us your feedback on what you loved or didn't liked during this challenge; Your feedback will help us to improve future editions of the challenge ;)</p> <h3>Teams</h3> <table> <style> table { table-layout: fixed; } tr:nth-child(odd) td:nth-child(even) { color: black; background-color: rgba(255,255,255,0.6); } tr:nth-child(even) td:nth-child(odd) { color: black; background-color: rgba(255,255,255,0.6); } tr:nth-child(even) td:nth-child(even) { color: white; background-color: rgba(0,0,0,0.6); } tr:nth-child(odd) td:nth-child(odd) { color: white; background-color: rgba(0,0,0,0.6); } tr:nth-child(even) td:nth-child(even) a { color: skyblue; } tr:nth-child(odd) td:nth-child(odd) a { color: skyblue; } tr:nth-child(odd) td:nth-child(even) a { color: #3987c9; } tr:nth-child(even) td:nth-child(odd) a { color: #3987c9; } </style> <tr> <td><span>Team 1 - Pôle Univ. Léonard de Vinci</span><ul> <li><a href="https://challenge-ecw.fr/challenger/643">In1t0</a></li> <li><a href="https://challenge-ecw.fr/challenger/592">0xUKN</a></li> <li><a href="https://challenge-ecw.fr/challenger/589">ncpd</a></li> <li><a href="https://challenge-ecw.fr/challenger/633">Fyxneo</a></li></ul></td> <td><span>Team 2 - Université de Rennes</span><ul> <li><a href="https://challenge-ecw.fr/challenger/616">Xiodi</a></li> <li><a href="https://challenge-ecw.fr/challenger/625">ricked</a></li> <li><a href="https://challenge-ecw.fr/challenger/679">VadKas</a></li> <li><a href="https://challenge-ecw.fr/challenger/586">Reiiyos</a></li></ul></td> <td><span>Team 3 - ESIEA</span><ul> <li><a href="https://challenge-ecw.fr/challenger/709">Liftu</a></li> <li><a href="https://challenge-ecw.fr/challenger/695">catdf</a></li> <li><a href="https://challenge-ecw.fr/challenger/769">patobeur</a></li> <li><a href="https://challenge-ecw.fr/challenger/845">SeulAParis</a></li></ul></td> <td><span>Team 4 - Télécom Sud-Paris</span><ul> <li><a href="https://challenge-ecw.fr/challenger/868">tomcat</a></li> <li><a href="https://challenge-ecw.fr/challenger/768">SymLiNK</a></li> <li><a href="https://challenge-ecw.fr/challenger/828">Bdenneu</a></li> <li><a href="https://challenge-ecw.fr/challenger/844">meroupatate</a></li></ul></td></tr> <tr> <td><span>Team 5 - ENSIBS</span><ul> <li><a href="https://challenge-ecw.fr/challenger/585">BOOM</a></li> <li><a href="https://challenge-ecw.fr/challenger/560">lambdhack</a></li> <li><a href="https://challenge-ecw.fr/challenger/566">La_Brosse_Adam</a></li> <li><a href="https://challenge-ecw.fr/challenger/582">ShellCode</a></li></ul></td> <td><span>Team 6 - Cryptis Limoges</span><ul> <li><a href="https://challenge-ecw.fr/challenger/544">Jack_Skellington</a></li> <li><a href="https://challenge-ecw.fr/challenger/651">Mela</a></li> <li><a href="https://challenge-ecw.fr/challenger/545">Neo</a></li> <li><a href="https://challenge-ecw.fr/challenger/650">apges01</a></li></ul></td> <td><span>Team 7 - Cryptis Limoges</span><ul> <li><a href="https://challenge-ecw.fr/challenger/759">SassDream</a></li> <li><a href="https://challenge-ecw.fr/challenger/571">Amadimk</a></li> <li><a href="https://challenge-ecw.fr/challenger/817">P0laris</a></li> <li><a href="https://challenge-ecw.fr/challenger/591">Pilou44</a></li></ul></td> <td><span>Team 8 - Mixte</span><ul> <li><a href="https://challenge-ecw.fr/challenger/551">Areizen</a></li> <li><a href="https://challenge-ecw.fr/challenger/770">BZHugs</a></li> <li><a href="https://challenge-ecw.fr/challenger/727">Creased</a></li> <li><a href="https://challenge-ecw.fr/challenger/728">yohboy</a></li></ul></td></tr> <tr> <td><span>Team 9 - Mixte</span><ul> <li><a href="https://challenge-ecw.fr/challenger/574">GovanifY</a></li> <li><a href="https://challenge-ecw.fr/challenger/553">Major_Tom</a></li> <li><a href="https://challenge-ecw.fr/challenger/575">Xenoliss</a></li> <li><a href="https://challenge-ecw.fr/challenger/724">Testeur_de_stylos</a></li></ul></td> <td><span>Team A - Mixte</span><ul> <li><a href="https://challenge-ecw.fr/challenger/645">0pendev</a></li> <li><a href="https://challenge-ecw.fr/challenger/644">Knowledge</a></li> <li><a href="https://challenge-ecw.fr/challenger/659">face0xff</a></li> <li><a href="https://challenge-ecw.fr/challenger/771">Hedroed</a></li></ul></td> <td><span>Team B - Mixte</span><ul> <li><a href="https://challenge-ecw.fr/challenger/668">EnergieADX5</a></li> <li><a href="https://challenge-ecw.fr/challenger/873">Killbit</a></li> <li><a href="https://challenge-ecw.fr/challenger/594">onosh</a></li> <li><a href="https://challenge-ecw.fr/challenger/718">tete2soja</a></li></ul></td> <td><span>Team C - ENSIBS</span><ul> <li><a href="https://challenge-ecw.fr/challenger/570">Nofix</a></li> <li><a href="https://challenge-ecw.fr/challenger/782">DrStache</a></li> <li><a href="https://challenge-ecw.fr/challenger/778">2phi</a></li> <li><a href="https://challenge-ecw.fr/challenger/796">Remsio</a></li></ul></td></tr> </table> <h3>Write Ups</h3> <p>Write Ups are welcome, an only restriction is not to redistribute files/binaries (extracts, screenshots or partial disassembles are accepted)</p> <ul><li><p> [<a href="https://www.aperikube.fr/docs/ecw_qual_2019/0daybazar/">0daybazar</a>] [<a href="https://www.aperikube.fr/docs/ecw_qual_2019/securevault/">SecureVault</a>] [<a href="https://www.aperikube.fr/docs/ecw_qual_2019/z51token/">Z51 Token - ICO</a>] from <a href="https://www.challenge-ecw.fr/challenger/681">Zeecka</a></p></li> <li><p> [<a href="https://ctf.feisu.win/2019/ecw_quals_2019/s3cr37_4g3nt">S3cr37_4g3nt</a>] from <a href="https://www.challenge-ecw.fr/challenger/659">face0xff</a></li> <li><p> [<a href="https://www.aperikube.fr/docs/ecw_qual_2019/sploit_win/">Sploit_win</a>] from <a href="https://www.challenge-ecw.fr/challenger/551">Areizen</a></li> <li><p> [<a href="https://blog.nlegall.fr/ecw-ntfs.html">NTFS</a>] [<a href="https://blog.nlegall.fr/ecw-puzzle.html">Puzzle</a>] [<a href="https://blog.nlegall.fr/ecw-thematrix.html">TheMatrix</a>] from <a href="https://www.challenge-ecw.fr/challenger/718">tete2soja</a></li> <li><p> [<a href="https://www.aperikube.fr/docs/ecw_qual_2019/mysudo/">MySudo</a>] from <a href="https://www.challenge-ecw.fr/challenger/727">Creased</a></li> <li><p> [<a href="https://www.magnussen.funcmylife.fr/article_27">NTFS</a>] [<a href="https://www.magnussen.funcmylife.fr/article_28">SecureVault</a>] [<a href="https://www.magnussen.funcmylife.fr/article_26">TheMatrix</a>] from <a href="https://www.challenge-ecw.fr/challenger/558">Magnussen</a></li> <li><p> [<a href="https://lambdhack.bzh/index.php?page=writeup&event=ecw_2k19&writeup=ecw_2k19_forensic_ntfs">NTFS</a>] [<a href="https://lambdhack.bzh/index.php?page=writeup&event=ecw_2k19&writeup=ecw_2k19_embedded_S3cr37_4g3nt">S3cr37_4g3nt</a>] from <a href="https://www.challenge-ecw.fr/challenger/560">&lambda;ambdhack</a></li> </ul>

Announcement: Challenges are back online

[2019/10/19 06:47PM]

<h3>General</h3> <p>A service failure caused an outage preventing the access to challenges</p> <p>This outage is now over [19:40 UTC+2]</p> <p>To make up for the outage we will extend the duration of the challenge to end Monday 23:00 UTC+2</p> <p>Added 2 new (easy) challenges for those who have finished everything already: <b>Wargame</b> and <b>NotMySudo</b></p> <p><b>We would like to remind challengers that exhausting challenge resources will result in a ban</b></p> <h3>Challenges FAQ</h3> <p><b>Defused</b>: The schema is wrong stating the pins used for the combination: actual ones are pins number <b>41, 42, 43, 45 and 46</b></p> <p><b>Sploit_win</b>: The vulnerable service <b>cannot initiate outbound network connections</b>; Consider this while developing your exploit</p>

Announcement: First challenge update!

[2019/10/06 01:19PM]

<h3>General</h3> <p>Reminder that every Flag follows the format <code>ECW{&lt;XX hex chars&gt;}</code>; One notable exception being <b>Defused</b> for which the Flag is a digit sequence</p> <h3>Bug fixes</h3> <p><b>ShamirSecret</b> was not secret enough! So we changed it!!</p> <p><b>Mysudo</b> had a bypass; Finder got an award</p> <p><b>Z51 Token - ICO</b> had a bypass; Finder got an award</p> <p><b>Puzzle</b> PCAP generated was bogus for some challengers; Please re-download the PCAP if the flag you find does not follow the format <code>ECW{&lt;64 hex chars&gt;}</code></p>