26 - Big Zombie Business

It's a disaster! Not only that these useless piles of rotten meat obfuscate all their stupid code, they have also lost our precious root password, or "Flag" as they call it. Is there a chance you can reverse this obfuscation to extract the Flag? big zombie business
 

credits: 200 +3 (1st), +2 (2nd), +1 (3rd)