If you dream that you attack someone, your ill-mood and temper may cause harm to another. You feel that you have been wronged in real life.
To dream that you are being attacked by someone suggests that you are feeling stressed, vulnerable and helpless, or facing difficult changes, in real life.
A dream of being attacked by an animal is a warning to be careful with those around you.
Someone means you no good.
If you dream that you kill an attacking animal, your life will be saved by a stranger.