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   gdb°¡ µ¿ÀÛÇÏÁö¾Ê½À´Ï´Ù.

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_level&no=3226 [º¹»ç]


[level11@ftz level11]$ ls -al
ÇÕ°è 96
drwxr-xr-x    4 root     level11      4096  3¿ù 19  2003 .
drwxr-xr-x   44 root     root         4096  1¿ù 15  2009 ..
-rw-r--r--    1 root     level11       245  1¿ù 25  1999 .Xdefaults
-rw-------    1 root     root           40  3¿ù 19  2003 .bash_history
-rw-r--r--    1 root     level11        24  2¿ù 24  2002 .bash_logout
-rw-r--r--    1 root     level11       224  2¿ù 24  2002 .bash_profile
-rw-r--r--    1 root     level11       151  2¿ù 24  2002 .bashrc
-rw-r--r--    1 root     level11       400  1¿ù 25  1999 .cshrc
-rw-r--r--    1 root     level11      4742  1¿ù 25  1999 .emacs
-r--r--r--    1 root     level11       319  1¿ù 25  1999 .gtkrc
-rw-r--r--    1 root     level11       100  1¿ù 25  1999 .gvimrc
-rw-r--r--    1 root     level11       226  1¿ù 25  1999 .muttrc
-rw-r--r--    1 root     level11       367  1¿ù 25  1999 .profile
-rw-r--r--    1 root     root            1  5¿ù  7  2002 .viminfo
-rw-r--r--    1 root     level11      4145  1¿ù 25  1999 .vimrc
-rwsr-x---    1 level12  level11     13733  3¿ù  8  2003 attackme
-rw-r-----    1 root     level11       168  3¿ù  8  2003 hint
drwxr-xr-x    2 root     level11      4096  2¿ù 24  2002 public_html
drwxrwxr-x    2 root     level11      4096  7¿ù 30 02:40 tmp
[level11@ftz level11]$ gdb -d attackme
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu".
warning: /home/level11/attackme is not a directory.

(gdb) disass attackme
No symbol table is loaded.  Use the "file" command.
(gdb) disass /home/level11/attackme
A parse error in expression, near `/home/level11/attackme'.
(gdb) q
[level11@ftz level11]$ gdb -disass attackme
gdb: ÀνÄÇÒ ¼ö ¾ø´Â ¿É¼Ç `-disass'
Use `gdb --help' for a complete list of options.
[level11@ftz level11]$ gdb disass attackme
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...disass: ±×·± ÆÄÀÏÀ̳ª µð·º
Å丮°¡ ¾øÀ½.

"/home/level11/attackme" is not a core dump: File format not recognized
(gdb) q
[level11@ftz level11]$ gdb d attackme
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...d: ±×·± ÆÄÀÏÀ̳ª µð·ºÅ丮°¡
¾øÀ½.

"/home/level11/attackme" is not a core dump: File format not recognized
(gdb) q
[level11@ftz level11]$ gdb -d attackme
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu".
warning: /home/level11/attackme is not a directory.

(gdb) q
[level11@ftz level11]$ gdb -d ./attackme
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu".
warning: /home/level11/./attackme is not a directory.

(gdb) q
[level11@ftz level11]$ gdb disass ./attackme
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...disass: ±×·± ÆÄÀÏÀ̳ª µð·º
Å丮°¡ ¾øÀ½.

"/home/level11/./attackme" is not a core dump: File format not recognized
(gdb) q
[level11@ftz level11]$ gdb disass /home/level11/attackme
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...disass: ±×·± ÆÄÀÏÀ̳ª µð·º
Å丮°¡ ¾øÀ½.

"/home/level11/attackme" is not a core dump: File format not recognized
(gdb) Quit
[level11@ftz level11]$



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  Hit : 6030     Date : 2011/08/05 04:53



    
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.. ¾Æ´Ñ°¡¿ä.. ¤»¤»
2011/08/05  
$Zero gdb·Î ÆÄÀÏÀ» ¿©½Ã°í disass attackme°¡ ¾Æ´Ï¶ó µð½º¾î¼ÀºíÇÒ À§Ä¡¸¦ ÁöÁ¤ÇÏ¼Å¾ß ÇÕ´Ï´Ù.

C¾ð¾î·Î ÀÛ¼ºµÈ ÄÚµå¶ó¸é mainÇÔ¼ö°¡ Á¸ÀçÇÒÅ×´Ï

disass main À̶ó°í ÃÄÁÖ¼Å¾ß ÇÕ´Ï´Ù.

±×·³ mainÇÔ¼öÀÇ È帧À» µð½º¾î¼ÀºíÇؼ­ º¸¿©ÁÖ°í ³ª¸ÓÁö ÇÔ¼öµµ À§¿Í°°Àº ¹æ¹ýÀ¸·Î µð½º¾î¼Àºí ÇÒ ¼ö ÀÖ´ä´Ï´Ù.
2011/08/05  
´¾´¾ ¾ÆÇ×! ¤»¤» À߸øºÃ¾ú³×¿ä 2011/08/05  
dlddu $Zero // ±×·³ ÀüºÎ µð¾î¼Àºí ÇÏ·Á¸é ¾î¶»°Ô Çؾߵdzª¿©? 2011/08/05  
´¾´¾ C¾ð¾î·Î ¸¸µé¾îÁø ÇÁ·Î±×·¥ÀÌ´Ï mainÇÔ¼ö¸¦ µð½º¾î¼ÀºíÇÏ½Ã¸é µË´Ï´Ù~ 2011/08/05  
2844   Æ÷Æ®23 ¿¬°áÇÏÁö ¸øÇß½À´Ï´Ù.[7]     ¶ß°Å¿îīǪġ³ë
09/07 11898
2843   level1 Á¢¼ÓÇÏ´Â ¹æ¹ý[2]     ¾ÓÀ׿Ë
07/27 8376
2842   Á¸´õ¸®ÆÛ »ç¿ë¹ý °¥ÄÑÁÖ¼¼¿ä...À©µµ¿ì¿ë..[1]     78jeongho
10/18 7570
2841   È£½ºÆ®¿¡´ëÇÑ¿¬°áÀ»ÀÒ¾ú½À´Ï´Ù.[3]     vxvx44
10/08 6853
2840   ·¹º§8 ÈùÆ® level8 ...UpDate 03.11.19[10]     bigfood
10/01 6788
2839   ¿£ÇÁ·ÎÅØÆ® Áú¹®ÀÔ´Ï´Ù.[1]     tyu1023
11/16 6663
2838   ·¹º§3 level3 ÈùÆ®...(2)[4]     bigfood
09/15 6083
2837   ·¹º§4 level4 ÈùÆ®...UPDATE 03.10.01[10]     bigfood
09/15 6049
  gdb°¡ µ¿ÀÛÇÏÁö¾Ê½À´Ï´Ù.[5]     dlddu
08/05 6029
2835     [re] ¿Ö find Çϸé Çã°¡ °ÅºÎµÊÀÌ ¶ßÁÒ?[3]     qkreoghks00
03/14 6027
2834     [re] shellcode ¾îÂî ¸¸µé¾î¾ß Çմϱî?[6]     hackermario
11/25 5982
2833   level1 Ŭ¸®¾î ÇÒ¼ö ÀÖ°Ô ÈùÆ®Á» ÁÖ¼¼¿ä[9]     wormes
09/02 5916
2832   webhacking.kr 21¹ø ¹®Á¦[1]     jaewonm
07/11 5855
2831   Level1~3°ø·«(ÀÏÁ¾ÀÇ ÈùÆ®)[3]     sbshs77
06/18 5748
2830   Debian putty SSH¿¡¼­ Çѱ۱úÁü     dominvs
08/15 5718
2829   °ü¸®ÀÚ ÆäÀÌÁö ã±â[2]     jxpl80
11/18 5695
2828   ·¹º§3 level3 ÈùÆ®...(1)[2]     bigfood
09/15 5680
2827     [re] level5 ¿¡¼­,¤Ð¤Ð     ¼Û½Ã
10/31 5665
2826     [re] ·¹º§4°¡ ÀÌÇØ°¡ ¾ÈµÅ¿ä..[5]     muzen2540
09/07 5661
2825   ftz¸¦ ½ÇÇà => cmd·Î Çߴµ¥µµ[10]     3609ÇØÄ¿
10/27 5489
1 [2][3][4][5][6][7][8][9][10]..[143]

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