[oss] [CTFs] List of CTF competitons we participated in

[Adrian Bogatu]

Hi,

  During this semester we have participated in a number of CTF
competitions as team Nabla, which is composed of:

  UPB students:
    Adrian Bogatu, SCPD
    Dan Drăgan, AAC
    Andrei Mareșu, SRIC
    Alexandra Săndulescu, SCPD
    Veronica Velciu, AAC

  Others:
    Alexandru Tache
    Bogdan Zlate

  Special thanks to Alexandru Tache, which had such valuable input for
most of the tasks.

  Below the 8 competitions we participeted in are described, broken
down into team members, mentioning which problems we solved and what
score every one of us got.

  The links for each competition point to the CTFtime website [1] that
centralizes the scores, tasks and other info for each popular CTF
competition.

  You can find our team page on CTFtime here [2].

Competitions (total points, ranking):

* D-CTF 2015 Quals [3] (500 points, 186th place)

  Adrian Bogatu (100p):
    Reverse: Entry Language (100p)

  Dan Drăgan (200p):
    Crypto: No Crypto (200p)

  Veronica Velciu (100p):
    Pwn: Password Encrypting Tool (100p)

  Alexandra Săndulescu (100p):
    Misc: She said it doesn't matter (100p)


* Hitcon 2015 Quals [4] (301 points, 70th place)

  Adrian Bogatu (100p):
    Misc: hard-to-say-{3,4} (100p)

  Alexandra Săndulescu (100p):
    Stegano: unreadable (100p)

  Alexandru Tache (100p):
    Misc: hard-to-say-{1,2} (100p)


* TUM CTF Teaser 2015 [5] (111 points, 28th place)

  Adrian Bogatu (46p):
    Pwn: greeter (15p)
    Reverse: selftest (10p), whitebox crypto (20p)
    Misc: Sanity Check (1p)

  Alexandru Tache (65p):
    Crypto: bad_apple (15p), Pudel (30p)
    Web: neocities (20p)

* RCTF Quals 2015 [6] (280 points, 110th place)

  Dan Drăgan:
    Reverse: TankGame (200p)

  Alexandru Tache:
    Misc: analysis nginx's log (50p)


* 9447 CTF 2015 [7] (1477 points, 36th place)

  Adrian Bogatu (510p):
    Pwn: calcpop (80p), cards (140p)
    Reverse: danklang (100p)
    Stegano: imaged (90p)
    Misc: 4w1h (100p)

  Alexandra Săndulescu (230p):
    Reverse: The *real* flag finder (70p), Hello, Joe (160p)

  Alexandru Tache (710p):
    Crypto: randBox (120p), dub-key (130p), wob-key (190p)
    Web: YWS (130p), premonition (140p)


* SECCON 2015 Online CTF [8] (1800 points, 87th place)

  Adrian Bogatu (750p):
    Exercices: Start SECCON CTF (50p)
    Stegano: SECCON WARS 2015 (100p), Steganography 1 (100p),
Steganography 2 (100p)
    Crypto: Decrypt it (300p)
    Unknown: Command-Line Quiz (100p)

  Alexandra Săndulescu (650p):
    Exercises: Last Challenge (Thank you for playing) (50p)
    Binary: Reverse-Engineering Android APK 1 (100p), Exec dmesg
(300p), GDB Remote Debugging (200p)

  Andrei Mareșu (200p):
    Unknown: QR puzzle (Windows) (200p)

  Alexandru Tache (200p):
    Web/Network: Connect to server (100p), Entry Form (100p)


* 32C3 CTF [9] (1000 points, 52nd place)

  Adrian Bogatu (400p):
    Pwn: forth (150p)
    Web: TinyHosting (250p)

  Alexandru Tache (600p):
    Reverse: flash (300p)
    Misc: gurke (300p)


* Insomni'hack teaser 2016 [10] (500 points, 51st place)

  Adrian Bogatu (300p):
    Web: smartcat1 (50p), smartcat2 (50p)
    Web/Crypto: Fridginator 10k (200p)

  Alexandru Tache (200p):
    Crypto: Bring the noise (200p)

If needed, you can contact any team member listed in the Cc for
further information.

[1] https://ctftime.org/
[2] https://ctftime.org/team/19118
[3] https://ctftime.org/event/239
[4] https://ctftime.org/event/245
[5] https://ctftime.org/event/238
[6] https://ctftime.org/event/266
[7] https://ctftime.org/event/242
[8] https://ctftime.org/event/274
[9] https://ctftime.org/event/278
[10] https://ctftime.org/event/258