; INFO: Anti-Debug "Hello World" :-)

format PE GUI 4.0 at 0x400000

include 'win32a.inc'

section '.text' code readable executable
		invoke IsDebuggerPresent
		cmp eax, 1
		je MSG_FOUND
	MSG_OK:
		invoke MessageBoxA, 0, message_ok	,message_caption, MB_OK+MB_ICONINFORMATION
		jmp EXIT
	MSG_FOUND:
		invoke MessageBoxA, 0, message_found,message_caption, MB_OK+MB_ICONINFORMATION
	EXIT:
		ret
	
	
section '.data' readable
	message_caption db 'MSG',0
	message_ok	    db 'OK',0
	message_found   db 'Debugger found!',0


section '.idata' import data readable writeable
	library \
		kernel32,'KERNEL32.DLL',\
		user32	,'USER32.DLL'
	import kernel32,\
		IsDebuggerPresent  ,'IsDebuggerPresent'
	import user32,\
		MessageBoxA	   ,'MessageBoxA'

;section '.reloc' fixups data readable discardable