TTY Logs and the Data it Captures, (Sun, Oct 4th)

For an experiment, I created a script [ 1 ] that parses and send the TTY logs collected from actors or bots activity that run various commands after they successfully login the DShield sensor. Those TTY logs are sent daily at the end of each day to the DShield SIEM [ 2 ] to be correlated with all the data.  The following ES|QL query provides a summary of all contab commands matching a TTYLog hash performed by different actors while logged in the sensor over a 90 day…