Sessions exist even if the Client host is offline

[benkhlifafahmi]

Hello,
first of all thanks for this project, I would like to report bug that i am still debugging till this moment but with no success,
I have created a powershell reverse_https malware, and the after getting the connection from my virtual machine and restarting it i found that i have two active sessions (the module exist in the startup folder so it become active again once i open the machine.) while it should be only one.

Thanks in advance