[screenshot made at 12/23/2018] ZeroNights Quest 2018 October 21-28, 2018, online The first solver received an invitation to the conference, the others received points. Given the binary file, which was run on the server. The file is obfuscated. It is necessary to reverse how it authorizes the user on the server, write the authorizer, log in to the server via ssh and find the flag. Only one participant solved the problem 40 hours after the start.

ZeroNights Quest 2017 October 23-29, 2017, online The first solver received an invitation to the conference, the others received points. Given the binary file, which was run on the server. File was obfuscated. Example shellcode also provided. It is necessary to pack the shellcode in such a way that the server give the flag from the file located near the server file. Only 6 participants solved the problem, the first decision arrived 3 hours 51 minutes after the start.

Music and words are folk,
executes admin@reverseboom.club