Otra api que se puede usar es SHTestTokenMembership
include 'win32ax.inc'
.code
Main:
invoke SHTestTokenMembership,0,220h
push 0
push Title
cmp eax,FALSE
je @f
invoke MessageBox, 0,'Si'
ret
@@:
invoke MessageBox, 0,'No'
ret
Title : db 'Somos Admin?', 0
section '.idata' import data readable
library S32, 'SHELL32.DLL',\
U32, 'USER32.DLL'
import S32, SHTestTokenMembership, 'SHTestTokenMembership'
import U32, MessageBox, 'MessageBoxA'