Update c2_panel.txt
Update c2_panel.txt

-> ```/malicious/mythic.txt``` (https://github.com/stamparm/maltrail/pull/17422) due to info: https://twitter.com/AcooEdi/status/1409265045200986112
stamparm/maltrail,stamparm/maltrail,stamparm/maltrail,stamparm/maltrail