alloc(newmem,2048) //2kb should be enough
label(returnhere)
label(originalcode)
label(exit)
aobscan(aob, d9 53 78 8b 88 a8 03 00 00 8b b8 4c 02 00 00 d9 5d 80 8b 40 04 89 45 84)
registersymbol(aob)
newmem: //this is allocated memory, you have read,write,execute access
//place your code here
aob:
nop
nop
nop
mov ecx,[eax+000003A8]
jmp exit
originalcode:
fst dword ptr [ebx+78]
mov ecx,[eax+000003A8]

exit:
jmp returnhere

"game.exe"+150FED:
jmp newmem
nop
nop
nop
nop
returnhere: