EasyCTF_2018: In Plain Sight

Category: Web Points: 70 Description:

I've hidden a flag somewhere at this site... can you find it?

Write-up

Easily solved with the help of DNS.

$ dig TXT blockingthesky.com

; <<>> DiG 9.8.3-P1 <<>> TXT blockingthesky.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3137
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;blockingthesky.com.        IN  TXT

;; ANSWER SECTION:
blockingthesky.com. 29  IN  TXT "_globalsign-domain-verification=kXlECiyonFE_qsQR-8ki6BOIdVru3bzxpwMDZr334_"
blockingthesky.com. 29  IN  TXT "easyctf{betcha_wish_you_could_have_used_ANY}"

;; Query time: 88 msec
;; SERVER: 192.168.144.1#53(192.168.144.1)
;; WHEN: Sun Feb 11 15:49:37 2018
;; MSG SIZE  rcvd: 180

Therefore, the flag is easyctf{betcha_wish_you_could_have_used_ANY}.

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