[WriteUp] TUM CTF Teaser 2015

I’m Black Coke and making an effort toward level up.

This time, I participated in one of CTF (Capture The Flag) of “TUM CTF Teaser”.

Date of “TUM CTF Teaser”

Start: Friday, October, 24, 2015 at 12:00 UTC

End: Sunday, October, 25, 2015 at 12:00 UTC

1 Misc

1.1 Sanity Check(1pt)

Problem is

Anyway, Decode in a Encode and Decode text in Base64 – Dan’s Tools.
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hxp{w3lc0me_t0_th3_jungl3}

>> Correct

2 Web

2.1 neocities(20pt)

Problem is

Access is 1.ctf.link:1123.

Access is “about” and “Guestbook”.
Check your browser’s address bar.

• 1.ctf.link:1123/index.php?page=about.page
• 1.ctf.link:1123/index.php?page=comingsoon.page

“1.ctf.link:1123/index.php?page=flag.txt”

hxp{the_nineties_called_they_want_their_design_back}

>> Correct