TAMUctf 2017 Writeup
TAMUctf 2017にHarekazeとして参加しました。 チームの総得点は2980点でした。 初開催のCTFだったそうですが、中々取り組みやすく、やりがいもあるCTFだと思いました。(難しい問題は自力で解けなかったので精進していきたい。)
[Turtorial 5] Howdy
Problem
gigem{H0WDY!}
Only to paste the problem sentences.
[Web 10] Web Detective on the scene
Problem
detective1.ctf.tamu.edu
Have a look around the scene. Something is hiding just beyond plain site
Sourceに書いてあっただけ。
GigEm{TAMUctf_Web_a8ba90d7d8efeaf298cda418a2ab7073}
[Web 15] Web Detective Obtains Some Clues
Problem
detective2.ctf.tamu.edu
We are going to need more evidence to to the bottom of $(this)
http://detective2.ctf.tamu.edu/robots.txt → http://detective2.ctf.tamu.edu/192492397fd616d47c5ff84b2d12d1df0da57d992f5fe95d/user_file.txt
gigem{TAMUctf_Web_b304dc25b50afc611541e7ae1cb77ed2}
[forensics 10] What to call me?
Problem
What is the A Record for ctf.tamu.edu?
(Not in gigem{flag} format)
ctf.tamu.eduのAレコードがflag。
dig ctf.tamu.edu
52.33.57.247
[forensics 15] Who do I trust?
Problem
What is the common name for the root certificate for ctf.tamu.edu?
(Not in gigem{flag} format)
サーバー証明書のCNをブラウザから調べる。やるだけ。
Common Name
USERTrust RSA Certification Authority
[forensic 50] Where am I…
Problem
In what building was this photo taken?
The flag for this challenge does not follow conventional gigem{} format. It is the name of the building in which the photo was taken.
GPSデータ残っていたのでそれを元にGoogleMapsで探すだけ。
Memorial Student Center