csictf 2020

CTF Writeup - https://ctftime.org/event/1081

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22 July 2020


by AnandSaminathan

I should have really named my files better. I thought I’ve hidden the flag, now I can’t find it myself. (Wrap your flag in csictf{})

ssh user1@chall.csivit.com -p 30630
Password is find32


On connecting to the server, we found a lot of random files. The question has the number 32, which is the ASCII of space and spaces in flags are underscores. So we searched for underscores and found a file that had this:


So those were the credentials of user2. Logging into user2, we again found a bunch of random files, again searching for underscore, gave the string th15_15_unu5u41 which had to be the flag.


tags: Linux