Some versions of LazyBot offer "injection" modes. If you want to be safer, disable injections in the settings; the bot will then use standard key-presses to simulate a human player.
"Bot-like" behavior—such as walking in perfect lines or not responding to whispers—is a dead giveaway to other players who may report you. Conclusion Lazy Bot Wow 3.3.5-
For pure grinding, the "Radar" tab is your best friend: Some versions of LazyBot offer "injection" modes