97, 1/5 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   vngkv123
   ida¿¡¼­ ºÐ¼®ÇÒ ¶§,,,

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_Reversing&no=115 [º¹»ç]


¼Ò½ºÀÚü´Â scanf("%25s", strings);ÀÌ·¸°í, strings´Â char strings[26];ÀÔ´Ï´Ù.
±Ùµ¥ ida¿¡¼­ ÇØ´ç º¯¼ö¿¡ ¹Ù·Î Áý¾î³Ö´Â°ÍÀÌ ¾Æ´Ï¶ó, ÀÌÀü º¯¼ö°¡ v3À̶ó´Â°Ô ÀÖ´Ù°í ÇÑ´Ù¸é, scanf("%25s", v3 + 2)ÀÌ·±½ÄÀ¸·Î ³ª¿Ã ¶§°¡ ÀÖ´õ±º¿ä.
Àú v3 + 2¸¦ ÇØ´ç À§Ä¡ÀÇ º¯¼ö·Î Á¦´ë·Î ¹Ù²ãÁÖ°Ô²û ÇØ ÁÙ ¼ö°¡ ÀÖ³ª¿ä?

  Hit : 2302     Date : 2017/11/30 05:29



    
±è´äº¯ ³× Çí½º·¹À̻󿡼­ º¯¼ö¾Æ¹«°Å³ª ´õºíŬ¸¯ÇÏ½Ã¸é º¯¼ö ·¹À̾ƿôÀ» º¼¼öÀִµ¥ °Å±â¼­ ¿øÇÏ´Â ¹öÆÛÀÇ À§Ä¡¿¡¼­ Å°´Â ±â¾ïÀÌ À߾ȳª´Âµ¥ ÀûÀýÇѰžƹ«°Å³ª ´©¸£½Ã°í ¸¸µé¾îÁø º¯¼ö ŸÀÔÀ»char[26] À¸·Î ÁöÁ¤ÇÏ½Ã¸é µË´Ï´Ù 2017/12/06  
±è´äº¯ Å°´Â D¿´´ø°Å°°³×¿ä 2017/12/06  
vngkv123 °¨»çÇÕ´Ï´Ù ¤¾¤¾ 2017/12/06  
97   °ÔÀÓ º¸¾È (½ÎÀÎÄÚµå, X-Trap, °ÔÀÓ°¡µå) ºÐ¼® ¹ý·ü ±Ã±ÝÇÕ´Ï´Ù![4]     ¼È·Ï38
03/17 4004
96   ¿äÁò reverscore °Ô½ÃÆÇ º¸°íÀִµ¥..[4]     ¸Þ¹ö¸®Å°
08/08 3252
95   ¸®¹ö½Ì¿¡ Á» ¹°¾îº¾´Ï´Ù[1]     ±×ÀúÁú¹®
01/19 4195
94   »çÀÌÆ®¿¡ Á¢¼ÓÇؼ­ °ü¸®ÀÚ °èÁ¤ ¾ò±â[2]     ±Ã±Ýµ¸³×
01/24 4101
93   ¸®¹ö½º ¿£Áö´Ï¾î¸µ °øºÎÇÏ·Á¸é[1]     °¨¿°¿À¸®
08/14 4141
92   µð¹ö°Å¸¦ ÀÌ¿ëÇÏ¿© ¸®¹ö½Ì Áß¿¡ ½ºÅðú ÄÚµå ¿µ¿ªÀÌ ÀüºÎ FFÇ¥½ÃµÇ´Â¹®Á¦..[1]     Å×Ã÷
02/02 2703
91   udd ÆÄÀÏÀ» ºÒ·¯¿ÀÁö ¸øÇÏ´Â ¹®Á¦[1]     Å×Ã÷
02/10 3067
90   ¸®¹ö½ÌÇÏ´Ù°¡ JGE °ü·Ã Áú¹®     Z2ong2
10/09 2819
89   ¸®ÆÐŰ¡ÀÌ ¹«¾ùÀÌÁÒ?     Z2ong2
12/11 3033
88   dumpcode Çì´õÆÄÀÏ ¸»Àä..[1]     ys200209
07/20 2439
87   ¸®¹ö½Ì °øºÎ µµÁß...[1]     whitetie
06/05 3099
86   Äڵ忣Áø RCE 10¹ø¹®Á¦ Áú¹®ÀÔ´Ï´Ù.     W.H.
01/31 3904
85   µð½º¾î¼ÀºíµÈ ÄÚµåµé Áß¿¡¼­..[2]     vngkv123
05/14 2854
84   IDA hexray·Î º¸¾ÒÀ» ¶§...[2]     vngkv123
05/29 2778
83   elf ¹ÙÀ̳ʸ® ÆÐÄ¡ Áú¹®...[2]     vngkv123
06/07 3254
  ida¿¡¼­ ºÐ¼®ÇÒ ¶§,,,[3]     vngkv123
11/30 2301
81   ÀÇ·ÚÁ» ºÎŹµå¸±·Á±¸ ÇÕ´Ï´Ù.     vbvb92
05/14 2755
80   win32 api ¹× Áø·Î..?[2]     user0
02/26 3448
79   º¯¼ö ¼±¾ð½Ã ½ºÅÿ¡¼­ÀÇ À§Ä¡[5]     turttle2s
11/13 2094
78   angr Áú¹®[2]     turttle2s
04/24 1735
1 [2][3][4][5]

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