fight fire with fire

Either from the practice of starting back fires to prevent the uncontrolled spread of wildfires, or from gunfire which is fought by firing back at the enemy.

• Audio (General Australian):

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fight fire with fire (third-person singular simple present fights fire with fire, present participle fighting fire with fire, simple past and past participle fought fire with fire)

1. (idiomatic) To respond to an attack with a similar or identical counter-attack (e.g. to respond to gunfire with reciprocal gunfire).
   • 1983, Talking Heads, “Burning Down the House”, in Speaking in Tongues:

     Close enough but not too far / Maybe you know where you are / Fightin' fire with fire

   • 2010 July 27, Blizzard, quoting Firebat, StarCraft II: Wings of Liberty, v1.0, Blizzard Entertainment, Microsoft Windows:

     Fight fire with fire

• bring a knife to a gunfight
• eye for an eye
• set a thief to catch a thief
• take a hair of the dog that bit one
• use a sledgehammer to crack a nut