PACTF_2017: Dinosaur Never-Forget System
Category: Points: 30 Description:
Those Dinosaurs… The dinosaurs need some way to archive their messages and news for the future, so they created the Dinosaur Never-forget System. They wanted the login to be public, but they also didn’t want it to be too easy to find. So they hid it in a system more antiquated than the dinosaurs themselves. dinosaurneverforgetsystem.tk
They kept records, too.
A simple challenge involving
TXT DNS records.
$ dig TXT dinosaurneverforgetsystem.tk ; <<>> DiG 9.8.3-P1 <<>> TXT dinosaurneverforgetsystem.tk ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57478 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;dinosaurneverforgetsystem.tk. IN TXT ;; ANSWER SECTION: dinosaurneverforgetsystem.tk. 14439 IN TXT "edger entry available at LEDGER subdomain -- flag: dinosaurs_must_stay_informed" ;; Query time: 347 msec ;; SERVER: 22.214.171.124#53(126.96.36.199) ;; WHEN: Tue Apr 18 13:29:49 2017 ;; MSG SIZE rcvd: 138
Therefore, the flag is