For this challenge we get a .jpg file that doesn’t open and the following description: Tocmai ce am primit poza asta dar nu o pot deschide I just got this picture but I can’t open it Suspecting that the magic […]


This challenge gives us a text file and the following description: Ai auzit vreodata de limbaje ezoterice? Have you ever heard of esoteric languages? Inside the file we can see a lot of seemingly random characters This is JSFuck code. […]


This challenge gives us a file with a base64 string inside. eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjE5NDc1MSIsIm51bWUiOiJNaWhhaSBWaXRlYXp1bCIsInBhc3N3ZCI6IkFCU08tQ1RGe2ZuaTMkTUZrSyRtMXZWNTJmbHY1OFYhTm12TjF9In0.frWBx3TnYJKYzj0BlGtcl1EJdj9uDPuRo5UNFQjerBE Coverting it from base64 to ASCII using CyberChef gives us this: {“alg”:”HS256″,”typ”:”JWT”}{“id”:”194751″,”nume”:”Mihai Viteazul”,”passwd”:”ABSO-CTF{fni3$MFkK$m1vV52flv58V!NmvN1}”}..`qÝ9Ø$¦3.@e.×%ÔB].Û.>ähåCEB7«. Which is a cookie that contains the flag: ABSO-CTF{fni3$MFkK$m1vV52flv58V!NmvN1}


This is the most solved challenge from this competition. The challenge gives us a binary string, which converted from binary to ASCII using CyberChef gives us the flag: ABSO-CTF{F39zLV5Ncb5zM!nVB5Mlq1dcb5tzz52m1c5V}