This question might be stupid but I have a small problem which I can't resolve. I used netcat to connect to a CTF server and while connecting, I had opened many Ubuntu windows. This is when a line of text started appearing on my terminal every time I type a command Text keeps showing up on my terminal Why did this happen? I have killed the connection but this keeps showing up. I used ps -aux to look for unknown processes on my Ubuntu but nothing suspicious showed up Result from ps -aux Is there any possible reason for this ? I'm new to Ubuntu so I might have screwed up something, but I can't figure out what's wrong :(( Output of echo $PS1 $PS2 $PS3

  • Can you open a new terminal and see if it happens there too? Also, what is the output of echo $PS1 $PS2 $PS3 Jan 20, 2020 at 15:42
  • It still happens in new terminals. I have tried closing and opening new ones but it didn't work. Also, I added the output of echo $PS1 $PS2 $PS3 in my post
    – CPS_001
    Jan 20, 2020 at 16:18

1 Answer 1


Basically, your computer was compromised. Read all about it here (last year's but valid). At the end it tells you how to get rid of the message.

  • Thank you. It solved my problem :))
    – CPS_001
    Jan 20, 2020 at 17:23

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