http://www.kongregate.com/games/Ridlake/zombie-at-the-gates

Money: 4byte * 8 + 6
Stars: 4byte * 8 + 6
Health: 4byte * 1
The number of hearts you have is the number you should be scanning for.
Note that you still can die if your health is too low (example: freezing the health when the value is 2 then having more than 2 zombies simultaneously hit you).