Check Attack That Is Coming From Linux Server (Centos)Created OnMarch 16, 2021Last Updated OnMarch 16, 2021byWesAdmin Print < Back to the Title Topic Check Attack That Is Coming From Linux Server (Centos) Step 1 : SSH to the server Step 2 : Check the server condition :-Command : topSee the suspicious command, we can see if there is something suspicious, it will appear when we run the command “top” For example, we can see that the command “Q47Bs0” have high CPU usage and appear at the first line when we run “top” command. Step 3 : Copy the PID and check :-Command : lsof -p <PID>Example : lsof -p 30971 We an see the suspicious domain and the specific path that is attacking. **Extra notes : This same concept can be used to check if the server load is high and what is causing the load to be high**