97, 3/5 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   kumi123
   Æ÷¸Ë½ºÆ®¸µ °øºÎÁß ±Ã±ÝÇÑ°ÍÀÌ Àִµ¥¿ä.

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_Reversing&no=57 [º¹»ç]


a=10;
printf("%d", a);

À̶ó´Â ÇÔ¼ö°¡ ÀÖ´Ù¸é..

½ºÅÿ¡

"%d"              ---- ³·Àº
a
printf()
sfp
ret               ---- ³ôÀº

ÀÌ·¸°Ô ½×ÀÌ Àݾƿä..

¿©±â¼­ Æ÷¸Ë½ºÆ®¸µÀº esp+4¸¦ ÇÑ °ªÀ» ÂüÁ¶ÇÑ´Ù°í ¾Ë°í Àִµ¥..

a=10, b=20
printf("%d %d", a, b);

¶ó¸é

½ºÅÿ¡

"%d %d"
a
b
printf()
sfp
ret

ÀÌ·±¼øÀ¸·Î ½×ÀÏÅÙµ¥.....

Æ÷¸Ë½ºÆ®¸µÀÌ esp+4 ¾¿ Áõ°¡ÇÑ °ªÀ» ÂüÁ¶ ÇÑ´Ù°í ¾Æ´Âµ¥..

µÎ°³ÀÎ °æ¿ì¿¡´Â ¾î¶°Çì ÂüÁ¶Çմϱî??

  Hit : 3312     Date : 2013/04/05 01:14



    
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