|
|
|
|
|
|
|
|
|
|
|
|
|
1574, 10/79 |
|
cdpython | |||||||
http://candypython.tistory.com/ | |||||||
gdb °ü·ÃÁú¹®ÀÔ´Ï´Ù | |||||||
http://www.hackerschool.org/HS_Boards/zboard.php?desc=asc&no=1514 [º¹»ç]
Hit : 2803 Date : 2011/08/08 12:45
|
|||||||
$Zero | lea eax. [ebp-40] Àº &buf °ú °°Àº°Ì´Ï´Ù. Áï ebp-40ÀÇ ¹öÆÛÀÇ ÁÖ¼Ò¸¦ eax·¹Áö½ºÅÍ¿¡ ³Ö¾î¶ó. ¶ó´Â ¸í·ÉÀÔ´Ï´Ù. ±×¸®°í º¸Åë eax·¹Áö½ºÅ͸¦ ÀÌ¿ëÇØ ÇÔ¼öÀÇ ÀÎÀÚ·Î ¾²°Å³ª ÇÏÁö¿ä . ¹öÆÛÀÇ Å©±â´Â óÀ½ ½ºÅà ÇÁ·¹ÀÓÀÌ ÇÒ´çµÉ¶§ È®ÀÎÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù. ex) sub esp , 0x108 ÀÌ°Ç ½ºÅÿ¡ ÃÑ 264¹ÙÀÌÆ®°¡ ÇÒ´çÀÌ µÈ°ÍÀÌ°í ±× µÚ¿¡ mov [ebp-12] , 0x30 lea eax, [ebp-264] °°Àº ¹®¹ýÀ¸·Î Å©±â¸¦ È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù. À§ ¹®¹ýÀº ´ëÃæ À¯ÃßÇغ¸ÀÚ¸é ebp-12 ºÎºÐ¿¡ º¯¼ö°¡ Çϳª ÀÖ°í ebp-264°¡ ¹öÆÛ°¡ µÇ´Â°ÍÀÔ´Ï´Ù. 264Áß 12´Â ´Ù¸¥ º¯¼öÀÌ´Ï ¹öÆÛÀÇ ÃÑ Å©±â´Â 252°¡ µÇ´Â°ÍÀÔ´Ï´Ù. Àü ÀÌ·±½ÄÀ¸·Î À¯ÃßÇÕ´Ï´Ù. |
2011/08/08 | |
$Zero | ½ºÅÃÇÁ·¹ÀÓÀÌ ÇÒ´ç À̶õ Ç¥Çöº¸´Ü ±¸¼ºÀ̶õ Ç¥ÇöÀÌ ¸Â°Ù³×¿ä . | 2011/08/08 | |
$Zero | ¸¸¾à mov¹®¹ýÀÌ ¾ø¾î¼ ´Ù¸¥ º¯¼ö°¡ ÀÖ´ÂÁö ¾ø´ÂÁö ºÐ°£ÀÌ ¾ÈµÉ¶© ±×³É 264¹ÙÀÌÆ® ÀüºÎ¸¦ µ¤¾î ¾²¸é µÇ´Â°ÅÁÒ . | 2011/08/08 | |
|
|