953, 13/48 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   SmileBedge
   GDB¿¡¼­ Value ¼öÁ¤ °ü·Ã +@

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_ETC&no=339 [º¹»ç]


set¸í·É¾î·Î CÄÚµå»óÀÇ º¯¼ö³ª ·¹Áö½ºÅÍ´Â º¯°æÀÌ °¡´ÉÇѵ¥..
ÁÖ¼Ò¾ÈÀÇ °ªÀ» GDB·Î ¹Ù²Ü ¼ö ÀÖ´Â Áö ¾Ë°í ½Í½À´Ï´Ù...(¿¹) 0x0804820deÀÇ °ªÀ» º¯°æÇÒ ¼ö ÀÖ´ÂÁö

±×¸®°í
CMP DWORD PTR [EAX] , 0 <-ÀÌ»óÇÏ°Ô ±×³É EAX¾²¸é µÉ°É°¡Áö°í Àú·±½ÄÀ¸·Î µÇÀÖ´õ¶ó±¸¿ä(³ª¸§ Àǹ®)
¾Æ¹«Æ° ±×·¡¼­ EAX¸¦ ¹Ù²ãº¸¾Ò½À´Ï´Ù¸¸ Àú±â¼­ SEIVEÀΰ¡ ±× ¼¼±×ÆúÆ®¶ã¶§ ¶ß´Â ±× ½ÅÈ£¿À´õ¶ó±¸¿ä ±×·¡¼­
ÁÖ¼Ò°ª º¯°æ¹ýÀ̳ª Àú ½ÅÈ£ÀÇ ÀÌÀ¯¸¦ ¾Ë°í½Í½À´Ï´Ù..

  Hit : 3083     Date : 2011/08/07 10:41



    
chaser1963 ù¹ø°´Â À߸𸣰ڴµ¥ ¹Ù²Ù¼Åµµ Äڵ念¿ªÀº ¸ø¹Ù²Ù°í ÀÓÀÇ·Î ±×·¸°Ô ½±°Ô ¹Ù²ðÁö´Â ¸ð¸£°Ú³×¿ä

µÎ¹ø°´Â eax¿¡ °ªÀÌ ¾Æ´Ï¶ó eaxÀÇ ÁÖ¼Ò°¡ °¡Áø ±× °ªÀÇ °ªÀÔ´Ï´Ù-_- ¸Ó¶ö±î ¾à°£ Æ÷ÀÎÅÍ °³³äÀÌ¿¡¿ä

¿¹¸¦µé¾î

int *eax = (int *)malloc(sizeof(int));
*eax = 5;
¿©±â¼­ 5¿Í 0À» ºñ±³ÇÏ°í½ÍÀºµ¥

5´Â *eax Áï eax°¡ °¡¸®Å°´Â ÁÖ¼Ò°ø°£ÀÇ °ªÀÌÁö

±×³É eax°¡ ¾Æ´Õ´Ï´Ù °Á eax¿¡´Â 5¸¦ °¡Áø³ðÀÇ ÁÖ¼Ò°¡ÀÖÁÒ
2011/08/08  
713   °­ÀÇ¿¡ ´ëÇؼ­[2]     solver
10/22 2001
712   ÅÚ³ÝÀ¸·Î´Â À©µµ¿ì Á¢¼Ó ¸øÇϳª¿ä??[3]     solver
01/14 2350
711   ftz trainer3[1]     Solo123
10/14 1542
710   ftz °ü·Ã Áú¹®[1]     snowmans
12/19 2457
709   ÄÄÇ»ÅÍ ±¸Á¶ Ã¥ Á» ÃßõÇØÁÖ¼¼¿ä     snowleopard130
09/09 2943
708   À¯Ä¡¿øµé¾î°¡´Â ¹æ¹ý Á» ¿ä ¤Ð[1]     smlmia
03/25 2872
707   ftz¿¡ °üÇؼ­.     smileodin
05/13 2239
706   Á˼ÛÇÏÁö¸¸ ÇØÄ¿½ºÄ𠸵ũ °¡´ÉÇÒ±î¿ä?[1]     smilehsm
10/17 2918
  GDB¿¡¼­ Value ¼öÁ¤ °ü·Ã +@[1]     SmileBedge
08/07 3082
704   microsoft visual c++ runtime library¿À·ù¶ß´Âµ¥ ÇØ°á¹æ¹ýÁ» °¥ÄÑÁÖ¼¼¿ä     sllwoo
01/20 4329
703   Áö±Ý ftz Åڳݼ­¹ö Á¢¼Ó µÇ³ª¿ä?[2]     sllwoo
10/28 2820
702   À½ architecture¿¡ °üÇÑ Áú¹®ÀÔ´Ï´Ù^^     sky4win
11/30 4717
701   ¸¹Àº ´äº¯À» ¹Þ°í ¾Ë¾Æº¸±âµµ Çؼ­ ´Ù½Ã Çѹø ¹°¾îº¼°Ô¿ä     sksms119
01/20 2551
700   ȨÆäÀÌÁö Á¦À̤ۤÌ[1]     sksms119
03/15 2136
699   Áú¹®ÀÌ¿ä~     skj3268
07/01 2551
698   putty ¾²´Â ¹æ¹ýÁ»...[5]     skj0206
08/10 3021
697   Áö±Ý FTZ ¾ÈµÇ´Â°Å Àú»ÓÀΰ¡¿ä...? :;;[2]     ska827
04/19 2796
696   ftz ¿îµ¿Àå... °¨ÀÌ ¾ÈÀâÈ÷³×¿ä...[4]     sk9548
11/15 2571
695   ftz level1 µµ¿ÍÁÖ¼¼¿ä~[2]     sj5173
07/25 2705
694   Á¤¸» ±Ã±ÝÇÕ´Ï´Ù ..;     siosio24
08/18 2587
[1]..[11][12] 13 [14][15][16][17][18][19][20]..[48]

Copyright 1999-2024 Zeroboard / skin by Hackerschool.org / Secure Patch by Hackerschool.org