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choboKing | |||||||
¶óÀ̺귯¸® ÇÔ¼öÀÇ ÁÖ¼Ò°¡ ÀÌ»óÇØ¿ä[codegate2014 nuclear] | |||||||
http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_system&no=1826 [º¹»ç]
Hit : 3349 Date : 2016/12/17 09:05
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phills0915 | nuclear°¡ Á¦°¡ ¾Ë±â·Î 32ºñÆ® ¹ÙÀ̳ʸ®Àε¥ Ȥ½Ã ida, objdump·Î º¸½Å ¶óÀ̺귯¸®°¡ 64ºñÆ®¿ë ¶óÀ̺귯¸® ¾Æ´Ñ°¡¿ä? ldd ./nuclear¸¦ Çؼ ³ª¿À´Â 32ºñÆ® ¶óÀ̺귯¸®¸¦ º¸¼Å¾ß ÇÕ´Ï´Ù |
2016/12/17 | |
choboKing | Á¶¾ð °¨»çµå¸³´Ï´Ù. ´Ù½Ã È®ÀÎÇغÃÀ¸³ª, ldd ./nuclear¸¦ Çؼ ³ª¿À´Â 32ºñÆ®¿ë ¶óÀ̺귯¸®°¡ ¸Â´õ±º¿ä.... Ȥ½Ã³ª ÇÏ´Â ¸¶À½¿¡ gdb·Î info sharedlibrary¸¦ Çؼ ¶óÀ̺귯¸®ÀÇ ÁÖ¼Ò¸¦ È®ÀÎ ÇÑ ÈÄ¿¡ got¿¡ µé¾î°¡ ÀÖ´Â ÁÖ¼ÒµéÀ» È®ÀÎ Çغ¸´Ï±î libc°¡ ¾Æ´Ï¶ó libpthread¿µ¿ªÀÇ ÁÖ¼Ò°¡ µé¾î°¡ ÀÖ´õ±º¿ä.... ¾²·¹µå °ü·Ã ÇÔ¼öµéÀÌ libpthread¿¡ Àִ°ÍÀº ÀÌÇØ°¡ µÇ´Âµ¥ send,recv°°Àº ÇÔ¼öÁ¶Â÷ libpthread¿¡ Àִ°ÍÀÌ ÀÌÇØ°¡ ¾ÈµÇ¾î °ü·Ã Á¤º¸µéÀ» °Ë»öÇØ º¸´Â ÁßÀÔ´Ï´Ù.... |
2016/12/18 | |
jinmo123 | ELF°°Àº °æ¿ì¿¡´Â ¾î¶² ½Éº¼À» ºÒ·¯¿Í¾ß ÇÒ ¶§ ¾î¶² ¶óÀ̺귯¸®¿¡¼ ºÒ·¯¿À´ÂÁö´Â µûÁöÁö ¾Ê°í ±× À̸§°ú ½Éº¼ÀÇ ¹öÀü(ÁöÁ¤µÈ °æ¿ì¿¡¸¸)À¸·Î¸¸ ã¾Æ¼ ºÒ·¯¿À±â¶§¹®¿¡ ¿©·¯ ¶óÀ̺귯¸®¿¡¼ °°Àº À̸§ÀÇ ½Éº¼À» Á¤ÀÇÇÑ´Ù¸é ±× ¶óÀ̺귯¸®µé Áß ¸ÕÀú ã¾ÆÁö´Â ½Éº¼À» ºÒ·¯¿É´Ï´Ù. libpthread´Â ±×°É ÀÌ¿ëÇؼ send, recv ÇÔ¼ö¸¦ µ¤¾î¾´°Ô ¾Æ´Ò±î¿ä? | 2017/01/07 | |
choboKing | ±Ã±ÝÇÏ´ø Á¡ÀÌ ÇØ°áµÇ¾ú½À´Ï´Ù. °¨»çÇÕ´Ï´Ù. |
2017/01/09 | |
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