main: CALL test_automod RET lbl_good: NOP NOP NOP NOP NOP NOP NOP NOP NOP test_automod: PUSH EBP MOV EBP, ESP LEA EDI, DWORD PTR [lbl_mod] LEA ESI, DWORD PTR [lbl_good] MOV ECX, 0x8 REPE MOVSB lbl_mod: XOR EAX, EAX MOV DWORD PTR [EAX], 0xDEADC0DE NOP NOP NOP PUSH 0 PUSH title PUSH msg PUSH 0 CALL DWORD PTR [ MessageBoxA ] MOV ESP, EBP POP EBP RET title: .string "Hello!" msg: .string "World!"