http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_level&no=3202 [º¹»ç]
LOB Æäµµ¶ó3 (pop_pop_ret local¹®Á¦) Ç®°íÀÖ½À´Ï´Ù..
got overwirting ¹®Á¦ Ç®°íÀִµ¥
±â¼ú¹®¼¸¦ ´Ù ã¾ÆºÁµµ Æäµµ¶ó¿¡¼ got¿À¹ö¶óÀÌÆðü·ÃµÈ°Ç ã±â Èûµì´Ï´Ù...
strcpy¸¦ ÀÌ¿ëÇÏ¸é ¾Æ½ºÅ°¾Æ¸Ó‹š¹®¿¡ ¾ÈµÇÀݾƿä...
[strcpy] [strcpy] [strcpy's plt] [*system]
¾Æ´Ï¸é ´õ °í±Þ½º·¯¿î offset + ÇÏ´Â °Å ÀÌ¿ëÇؼ ¿À¹ö¶óÀÌÆÃÀ» ÇؾßÇϴ°ÇÁö,,,
Á¤¸» ¸ð¸£°Ú½À´Ï´Ù
ÂüÁ¶¹®¼¶óµµ ºÎŹµå¸³´Ï´Ù.;;
Q) Fedora¿¡¼ got¿À¹ö¶óÀÌÆÃÀº ¾î¶»°Ô Çϴ°ǰ¡¿ä?? |
Hit : 3833 Date : 2011/04/25 07:39
|