[Test center] simple cryptography
[Environment] win
[Tool] PDF converter / line converter https://app.xunjiepdf.com/pdf2word
[writeup]
Open the picture, speculation flag under the picture, with Cai million office convert pdf to word format, the picture will remove the flag found
To give flag: flag {security_through_obscurity}
————————————————————————————————————————————————————————————————————————————————————
"lonely"
Baihelin
From childhood, I was alone
Take care
Ancient stars
————————————————————————————————————————————————————————————————————————————————————
Sylvia
September 5, 2019