<div dir="ltr"><div>Congrats.<br></div>By the way, what approach did you use to solve "QR puzzle (Windows) (200p)" for SECCON ?<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jan 19, 2016 at 12:47 PM, Adrian Bogatu <span dir="ltr"><<a href="mailto:bogatu.adrian@gmail.com" target="_blank">bogatu.adrian@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
During this semester we have participated in a number of CTF<br>
competitions as team Nabla, which is composed of:<br>
<br>
UPB students:<br>
Adrian Bogatu, SCPD<br>
Dan Drăgan, AAC<br>
Andrei Mareșu, SRIC<br>
Alexandra Săndulescu, SCPD<br>
Veronica Velciu, AAC<br>
<br>
Others:<br>
Alexandru Tache<br>
Bogdan Zlate<br>
<br>
Special thanks to Alexandru Tache, which had such valuable input for<br>
most of the tasks.<br>
<br>
Below the 8 competitions we participeted in are described, broken<br>
down into team members, mentioning which problems we solved and what<br>
score every one of us got.<br>
<br>
The links for each competition point to the CTFtime website [1] that<br>
centralizes the scores, tasks and other info for each popular CTF<br>
competition.<br>
<br>
You can find our team page on CTFtime here [2].<br>
<br>
Competitions (total points, ranking):<br>
<br>
* D-CTF 2015 Quals [3] (500 points, 186th place)<br>
<br>
Adrian Bogatu (100p):<br>
Reverse: Entry Language (100p)<br>
<br>
Dan Drăgan (200p):<br>
Crypto: No Crypto (200p)<br>
<br>
Veronica Velciu (100p):<br>
Pwn: Password Encrypting Tool (100p)<br>
<br>
Alexandra Săndulescu (100p):<br>
Misc: She said it doesn't matter (100p)<br>
<br>
<br>
* Hitcon 2015 Quals [4] (301 points, 70th place)<br>
<br>
Adrian Bogatu (100p):<br>
Misc: hard-to-say-{3,4} (100p)<br>
<br>
Alexandra Săndulescu (100p):<br>
Stegano: unreadable (100p)<br>
<br>
Alexandru Tache (100p):<br>
Misc: hard-to-say-{1,2} (100p)<br>
<br>
<br>
* TUM CTF Teaser 2015 [5] (111 points, 28th place)<br>
<br>
Adrian Bogatu (46p):<br>
Pwn: greeter (15p)<br>
Reverse: selftest (10p), whitebox crypto (20p)<br>
Misc: Sanity Check (1p)<br>
<br>
Alexandru Tache (65p):<br>
Crypto: bad_apple (15p), Pudel (30p)<br>
Web: neocities (20p)<br>
<br>
* RCTF Quals 2015 [6] (280 points, 110th place)<br>
<br>
Dan Drăgan:<br>
Reverse: TankGame (200p)<br>
<br>
Alexandru Tache:<br>
Misc: analysis nginx's log (50p)<br>
<br>
<br>
* 9447 CTF 2015 [7] (1477 points, 36th place)<br>
<br>
Adrian Bogatu (510p):<br>
Pwn: calcpop (80p), cards (140p)<br>
Reverse: danklang (100p)<br>
Stegano: imaged (90p)<br>
Misc: 4w1h (100p)<br>
<br>
Alexandra Săndulescu (230p):<br>
Reverse: The *real* flag finder (70p), Hello, Joe (160p)<br>
<br>
Alexandru Tache (710p):<br>
Crypto: randBox (120p), dub-key (130p), wob-key (190p)<br>
Web: YWS (130p), premonition (140p)<br>
<br>
<br>
* SECCON 2015 Online CTF [8] (1800 points, 87th place)<br>
<br>
Adrian Bogatu (750p):<br>
Exercices: Start SECCON CTF (50p)<br>
Stegano: SECCON WARS 2015 (100p), Steganography 1 (100p),<br>
Steganography 2 (100p)<br>
Crypto: Decrypt it (300p)<br>
Unknown: Command-Line Quiz (100p)<br>
<br>
Alexandra Săndulescu (650p):<br>
Exercises: Last Challenge (Thank you for playing) (50p)<br>
Binary: Reverse-Engineering Android APK 1 (100p), Exec dmesg<br>
(300p), GDB Remote Debugging (200p)<br>
<br>
Andrei Mareșu (200p):<br>
Unknown: QR puzzle (Windows) (200p)<br>
<br>
Alexandru Tache (200p):<br>
Web/Network: Connect to server (100p), Entry Form (100p)<br>
<br>
<br>
* 32C3 CTF [9] (1000 points, 52nd place)<br>
<br>
Adrian Bogatu (400p):<br>
Pwn: forth (150p)<br>
Web: TinyHosting (250p)<br>
<br>
Alexandru Tache (600p):<br>
Reverse: flash (300p)<br>
Misc: gurke (300p)<br>
<br>
<br>
* Insomni'hack teaser 2016 [10] (500 points, 51st place)<br>
<br>
Adrian Bogatu (300p):<br>
Web: smartcat1 (50p), smartcat2 (50p)<br>
Web/Crypto: Fridginator 10k (200p)<br>
<br>
Alexandru Tache (200p):<br>
Crypto: Bring the noise (200p)<br>
<br>
If needed, you can contact any team member listed in the Cc for<br>
further information.<br>
<br>
[1] <a href="https://ctftime.org/" rel="noreferrer" target="_blank">https://ctftime.org/</a><br>
[2] <a href="https://ctftime.org/team/19118" rel="noreferrer" target="_blank">https://ctftime.org/team/19118</a><br>
[3] <a href="https://ctftime.org/event/239" rel="noreferrer" target="_blank">https://ctftime.org/event/239</a><br>
[4] <a href="https://ctftime.org/event/245" rel="noreferrer" target="_blank">https://ctftime.org/event/245</a><br>
[5] <a href="https://ctftime.org/event/238" rel="noreferrer" target="_blank">https://ctftime.org/event/238</a><br>
[6] <a href="https://ctftime.org/event/266" rel="noreferrer" target="_blank">https://ctftime.org/event/266</a><br>
[7] <a href="https://ctftime.org/event/242" rel="noreferrer" target="_blank">https://ctftime.org/event/242</a><br>
[8] <a href="https://ctftime.org/event/274" rel="noreferrer" target="_blank">https://ctftime.org/event/274</a><br>
[9] <a href="https://ctftime.org/event/278" rel="noreferrer" target="_blank">https://ctftime.org/event/278</a><br>
[10] <a href="https://ctftime.org/event/258" rel="noreferrer" target="_blank">https://ctftime.org/event/258</a><br>
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