Facebook CTF 2019
EASTER EGG
https://www.fbctf.com/careers 페이지에 텍스트를 마우스로 드래그해보면 숨어있는 문자가 뿔뿔이 흩어져있다.
그걸 모아보면 fb{we're_hiring}
$ egrep -io '<span style="color:white">.</span>' careers
<span style="color:white">f</span>
<span style="color:white">b</span>
<span style="color:white">{</span>
<span style="color:white">w</span>
<span style="color:white">e</span>
<span style="color:white">'</span>
<span style="color:white">r</span>
<span style="color:white">e</span>
<span style="color:white">_</span>
<span style="color:white">h</span>
<span style="color:white">i</span>
<span style="color:white">r</span>
<span style="color:white">i</span>
<span style="color:white">n</span>
<span style="color:white">g</span>
<span style="color:white">}</span>
$ egrep -io '<span style="color:white">.</span>' careers | sed 's/<[a-z=": ]*>//' | sed 's/<\/span>//' | tr -d '\n'
fb{we're_hiring}
pwnable
babylist : #UAF
중국어 Web위주 ProductsManager events hr_admin_module , pdfme, rceservice, secret_note_keeper : https://github.com/w181496/CTF/tree/master/fbctf2019
Regexicide : https://github.com/utcoalition/Public-CTF-Writeups
pwnable r4nk : https://ctftime.org/writeup/15478
pwnable overfloat : https://made0x78.com/ctfs-fbctf19-overfloat/
GoN member babylist(pwn), keybaseish, kpets, otp_server(pwn), raddest_db(pwn), rank(pwn) : https://github.com/pr0cf5/CTF-writeups/tree/master/2019/fbctf
homework_assignment_1337, Products manager, : https://k3ramas.blogspot.com/2019/06/facebook-ctf-2019.html
easer egg : https://github.com/Hong5489/fbctf2019
[17:35] I’m interested in how to solve SOMBRERO ROJO (part 1). Maybe part 2 as well. Is there a writeup anywhere?
[17:36] toblu: re sombrero 2: there was a off-by-one that needed to be patched + the binary path can’t be too long otherwise it will overflow some buffer
