22016, 20/1101 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   panna4590
   FTZ level4 Áú¹®ÀÔ´Ï´Ù!

http://www.hackerschool.org/HS_Boards/zboard.php?desc=asc&no=36733 [º¹»ç]


http://www.hackerschool.org/Sub_Html/HS_Community/index.html?Type=Board&BID=Free_Board
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1)
  ÀÌ ¹®Á¦¸¦ Ç® ¶§ Á¦ÀÏ ±ä°¡¹Î°¡ÇÑ °ÍÀÌ..
  $finger level4@localhost
  ÀÌ·¸°Ô ¸í·É¾î¸¦ ÀÔ·ÂÇϸé
  "finger ¸í·É¾î·Î localhost¿¡ Á¢¼ÓÇÏ¿© level4ÀÇ °èÁ¤Á¤º¸¸¦ Ãâ·ÂÇ϶ó"
  °¡ ¸Â³ª¿ä?

2)
  À̶§, @localhost¸¦ ºÙÀÌ´Â ÀÌÀ¯°¡
  $finger
  ÀÌ·¸°Ô ¸í·É¾î¸¦ ±âÀÔÇÒ ¶§ ½ÇÇàµÇ´Â finger ¸í·É¾î´Â
  $echo $PATH
  ¸¦ ÅëÇؼ­ ãÀ» ¼ö ÀÖ´Â
  /usr/bin µð·ºÅ͸®¿¡ ÀúÀåµÈ finger À̱⠶§¹®¿¡

  xinetd¶ó´Â ½´ÆÛµ¥¸ó ¾È¿¡ backdoor·Î º¯ÁúµÈ(?) finger ¸¦ ½ÇÇàÇϱâ
  À§Çؼ­´Â level4¿¡ Á¢¼ÓÇؼ­ finger¸¦ ½ÇÇà½ÃÄѾßÇϱ⠶§¹®Àΰ¡¿ä..??

  ¸¸¾à ±×·¸´Ù¸é, fingerÀÇ »ç¿ë¹ýÀ¸·Î ¾Ë·ÁÁø
  $finger
  $finger @addr
  ´Â ¼­·Î ¿ÏÀüÈ÷ ´Ù¸¥ finger¸¦ ÀǹÌÇÏ´Â °ÍÀΰ¡¿ä..?
  (ÀüÀÚ´Â /usr/bin ÀÇ finger, ÈÄÀÚ´Â µ¥¸ó finger)

  µÎ¼­¾ø´Â Áú¹® Á˼ÛÇÕ´Ï´Ù..

  Hit : 3602     Date : 2019/01/02 06:20



    
21636   CTF¹®Á¦ °øÀ¯¶óÀ̺귯¸® Áú¹®..[1]     qw3709
01/13 3579
21635   ¸®¹ö½Ì °øºÎ ¹æ¹ýÀÌ ¸Â´ÂÁö Áú¹®µå¸³´Ï´Ù.[1]     lwlstjdl
01/11 7773
21634   ÇØÅ·°ü·ÃÇؼ­ ¹è¿öº¸°í½Í½À´Ï´Ù.     top3914
01/11 3570
21633   ÇØÅ· º¸¾È °ú¿ÜÇÕ´Ï´Ù     RHBetC
01/11 6257
21632   ¹öÆÛ¿À¹öÇ÷οì ÇÚµåºÏ     wotkd24
01/10 3359
21631   ÇØÅ· º¸¾È °ü·Ã °ú¿Ü¸¦ ÁøÇàÇÕ´Ï´Ù     bluewindsoul
01/07 3527
21630   º¸ÇÁ¿øÁ¤´ë succubus -> nightmare Áú¹®..     rabbitlycat
01/06 3071
21629   µµ¿ÍÁÖ¼¼¿ä[1]     fkddlrhd
01/04 3359
21628   À¥¼¿ ´Ù·ç½Ç¼ö ÀÖÀ¸½ÅºÐ ã¾Æ¿ä!!     wls1004
01/03 3570
  FTZ level4 Áú¹®ÀÔ´Ï´Ù!     panna4590
01/02 3601
21626   û¼Ò³â/¼ºÀÎ Á¤º¸º¸¾È ½ºÅ͵ð&¿¬±¸ÆÀ TEAM ISAAC ¸â¹ö¸ðÁý![2]     jihk0206
01/02 6481
21625   double free bug Áú¹®[2]     qw3709
12/31 3391
21624   °¡Á¤¿¡¼­ ÇØÅ· À§Çù¿¡ ´ëóÇÏ´Â ¹æ¹ý?[2]     pdh0710
12/29 3789
21623   À¥Ãë¾àÁ¡ Á¡°ËÀ» ¹Þ¾Æº¸°í ½Í½À´Ï´Ù.[1]     anchor37
12/26 3790
21622   c¾ð¾î ¹Û¿¡ ¸øÇÏ´Â ÇлýÀÔ´Ï´Ù. [1]     noahhan
12/25 3962
21621   ½ºÅ͵ð ¸â¹ö ¸ðÁýÇÕ´Ï´Ù.      lwlstjdl
12/20 3359
21620   ÇØÅ·, Á¤º¸º¸¾È »çÀ̹ö´ë ¾îµð°¡ °¡Àå ÁÁ³ª¿ä?     chanjung111
12/17 5511
21619   À̺Р¹Ï¾îµµµÉ¸¸ÇÑ ºÐÀΰ¡¿ä?[4]     dhrrntmf
12/17 5706
21618   [°øÁö] ºÒ¹ý °Ô½Ã¹°¿¡ ´ëÇÑ Á¶Ä¡ °èȹÀÔ´Ï´Ù.     ÇѽÂÀç
12/16 4042
21617   ÇØÅ· º¸¾È °ü·Ã °ú¿Ü¸¦ ÁøÇàÇÕ´Ï´Ù     bluewindsoul
12/15 3469
[1]..[11][12][13][14][15][16][17][18][19] 20 ..[1101]

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