The leethax extension worked by modifying the data flow between the browser and the web game's server. Essentially, it intercepted the loading process of a Flash game, allowing a hacked or modified version of the game's .swf (Flash) file to be loaded instead of the original, unmodified one.
Bypassed energy limits, allowing continuous gameplay. How Did It Work? (The Technical Side) leethax net firefox extension
: It allowed the browser to bypass security "sandboxes," replacing standard game files with hacked Flash files hosted on unauthorized domains. The leethax extension worked by modifying the data