Cheat to autouse keys eg. F3 or mobber when the game client is hidden

Hi! Sorry for my bad english but I do need your help ppl :)
i am looking for any kind of cheat which is able to run while the game client is hidden and it attracts mobs somehow ( mobber or using eg. F3 and so on )
Please help me to find sth like this.
Ill be very glad ;)

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Such a requests are not allowed anywhere? Really? ;x I cannot find working one ;x