http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_programming&no=985 [º¹»ç]
http://hackerschool.org/~research/study/SS_4.htm
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±×ÈÄ µÎ±ÙµÎ±ÙÇÏ°Ô ½ÇÇàÀ» ÇØ ºÃ½À´Ï´Ù.
gcc -o scan scan.c
./scan localhost
±×·¨´õ´Ï °á°ú°¡
[Wise Scanner Started.]
ÀÌ·¸°Ô¸¸ ³ª¿À°í ´õÀÌ»ó ¾È³ª¿À´Â°ÍÀ̾ú½À´Ï´Ù!! Ä¿Èæ
±×·¡¼ ´çȲÇؼ ¾Æ·¡ºÎºÐ °÷°÷À»
printf( "\n[Wise Scanner Started.]\n\n" );
printf("a") <-- ¿ä·¸°Ô Ãß°¡
// 1¹ø¿¡¼ºÎÅÍ 500¹ø±îÁö ½ºÄµ
for( port=1; port<500; port++ ){
// raw socket »ý¼º
raw_socket = socket( AF_INET, SOCK_RAW, IPPROTO_RAW );
setsockopt( raw_socket, IPPROTO_IP, IP_HDRINCL, (char *)&on, sizeof(on));
printf("b"); <--¿ä·¸°Ô Ãß°¡
// TCP, IP Çì´õ ÃʱâÈ
iphdr = (struct iphdr *)packet;
memset( (char *)iphdr, 0, 20 );
tcphdr = (struct tcphdr *)(packet + 20 );
memset( (char *)tcphdr, 0, 20 );
// TCP Çì´õ Á¦ÀÛ
tcphdr->source = htons( 777 );
tcphdr->dest = htons( port );
tcphdr->seq = htonl( 92929292 );
tcphdr->ack_seq = htonl( 12121212 );
tcphdr->doff = 5;
tcphdr->syn = 1;
tcphdr->window = htons( 512 );
--ÀÌÇÏ »ý·«ÀÔ´Ï´Ù;; --
ÇÏ°í ½ÇÇà½ÃÄ×´õ´Ï ¿ª½Ã °á°ú´Â
[Wise Scanner Started.]
ÀÌ°Å ¹Û¿¡ ¾È³ª¿À´Â°ÍÀ̾ú½À´Ï´Ù!! ³Ê¹« Ȳ´ç´çȲ½º·¯¿ö¼(Àû¾îµµ a´Â ³ª¿Í¾ßÇϴµ¥)
À§¿¡ forÀÌÈÄ ºÎºÐºÎÅÍ ÇÁ·Î±×·¥ ³¡³¯¶§±îÁö ÁÖ¼®Ã³¸® Çعö¸®´Ï °á°ú°¡
[Wise Scanner Started.]
a
[Scan ended.]
ÀÌ·¸°Ô ³ª¿À´õ±º¿ä -_-);;; Ȥ½Ã ÀÌÀ¯ ¾Ë°í°è½ÅºÐ!
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¾Æ´Ï¸é ÁüÀÛ°¡´Â°Å¶óµµ..;;
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Hit : 2654 Date : 2005/12/27 07:19
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