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Solaris Fingerprint DataBase (sfpDB) ¤Î»È¤¤Êý

Solaris Fingerprint DataBase (sfpDB) ¤È¤Ï¡¢Sun ¤¬Ä󶡤·¤Æ¤¤¤ë MD5 ¤Ë¤è¤ë Solaris ¥·¥¹¥Æ¥à¥Õ¥¡¥¤¥ë¤Î¥Ï¥Ã¥·¥åÃͥǡ¼¥¿¥Ù¡¼¥¹¤Ç¤¹¡£¤³¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤È¾È¹ç¤¹¤ë¤³¤È¤Ç¥·¥¹¥Æ¥à¥Õ¥¡¥¤¥ë¤¬¡ÊÆÃ¤Ë¥³¥Þ¥ó¥ÉÅù¤¬ÉÔÀµ¿¯Æþ¼Ô¤Ë¤è¤Ã¤Æ¡Ë½ñ¤­´¹¤¨¤é ¤ì¤Æ¤¤¤Ê¤¤¤«¤ò¸¡¾Ú¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

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¢¡ sfpC.pl ¤ä sidekick.sh ¥¹¥¯¥ê¥×¥È¤ò»ÈÍѤ·¤Æ¡¢¥³¥Þ¥ó¥É¥é¥¤¥ó¤«¤é sfpDB ¤ò»²¾È¤·¤Ë¹Ô¤¯¥×¥í¥°¥é¥à¤òÁö¤é¤»¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£
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¡¡¡¡¢ª  Sun BluePrints OnLine - Scripts and Tools
¡¡¡¡¥Ú¡¼¥¸²¼¤ÎÊý¤Î sfpc-1.2.tar.Z and sidekick.sh.Z ¤È¤¤¤¦¥ê¥ó¥¯¤«¤é¥À¥¦¥ó¥í¡¼¥É¤Ç¤­¤Þ¤¹¡£


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bash-3.00# pwd
/var/tmp/sfpDB
bash-3.00# ls
sfpC-1.2.tar.Z  sidekick.sh.Z
bash-3.00# uncompress *
bash-3.00# ls
sfpC-1.2.tar  sidekick.sh
bash-3.00# tar xvf sfpC-1.2.tar
x sfpC-1.2, 0 bytes, 0 ¥Æ¡¼¥×¥Ö¥í¥Ã¥¯
x sfpC-1.2/sfpC.pl, 6172 bytes, 13 ¥Æ¡¼¥×¥Ö¥í¥Ã¥¯
x sfpC-1.2/README.sfpC, 8754 bytes, 18 ¥Æ¡¼¥×¥Ö¥í¥Ã¥¯
bash-3.00#

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¥À¥¦¥ó¥í¡¼¥É¤·¤¿ md5 ¥³¥Þ¥ó¥É¤Î¥Ð¥¤¥Ê¥ê¤ò°Ê²¼¤Î¤è¤¦¤Ë¥»¥Ã¥È¥¢¥Ã¥×¤·¤Þ¤¹¡£

bash-3.00# pwd
/var/tmp/sfpDB
bash-3.00# ls
md5.tar.Z     sfpC-1.2      sfpC-1.2.tar  sidekick.sh
bash-3.00# uncompress md5.tar.Z
bash-3.00# tar xvf md5.tar
x md5, 0 bytes, 0 ¥Æ¡¼¥×¥Ö¥í¥Ã¥¯
x md5/md5-x86, 23452 bytes, 46 ¥Æ¡¼¥×¥Ö¥í¥Ã¥¯
x md5/md5-sparc, 23892 bytes, 47 ¥Æ¡¼¥×¥Ö¥í¥Ã¥¯
bash-3.00# cp md5/md5-sparc /usr/sbin/md5
bash-3.00# chmod 700 /usr/sbin/md5
bash-3.00# ls -l /usr/sbin/md5
-rwx------   1 root     root       23892  8·î 16Æü  13:17 /usr/sbin/md5
bash-3.00#

»ÈÍÑÊýË¡¤Ï´Êñ¤Ç°Ê²¼¤Î¤è¤¦¤Ë¼Â¹Ô¤¹¤ë¤À¤±¤Ç¤¹¡£

bash-3.00# md5 /usr/bin/ls
MD5 (/usr/bin/ls) = ae08d6328d118dfc6ee87cd42436972e

¤Á¤Ê¤ß¤ËƱ¤¸½ÐÎϤò Solaris 10 ɸ½à¤Î digest ¥³¥Þ¥ó¥É¤ÇÆÀ¤ë¾ì¹ç¤Ï¡¢°Ê²¼¤Î¤è¤¦¤Ë¼Â¹Ô¤·¤Þ¤¹¡£°ì¸«Ê£»¨¤Ë¸«¤¨¤Þ¤¹¤¬¡¢Â¿µ¡Ç½¤Ê¤¿¤á¥¢¥ë¥´¥ê¥º¥à»ØÄê¤Ê¤É¤¬Æþ¤Ã¤Æ¤¤¤ë¤À¤±¤Ç¤¹¡£¤Þ¤¿¥Ñ¥¤¥×(|)¤Î±¦Â¦ ¤Ï¾®Ê¸»ú¤Ç½ÐÎϤµ¤ì¤ë md5 ¤ò Âçʸ»ú¤Î MD5 ¤ËÊÑ´¹¤·¤Æ¤¤¤ë¤À¤±¤Ç¤¹¡£
¡ÊÃí°Õ¡§sfpDB ¤Ç¤ÏÂçʸ»ú¤Ç MD5 ¤Èµ­½Ò¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¡Ë

bash-3.00# digest -a md5 -v /usr/bin/ls | sed 's/md5/MD5/'
MD5 (/usr/bin/ls) = ae08d6328d118dfc6ee87cd42436972e


¡ÚsfpC.pl ¥¹¥¯¥ê¥×¥È¤Î¼Â¹Ô¡Û

½àÈ÷¤¬¤Ç¤­¤¿¤é sfpC.pl ¥¹¥¯¥ê¥×¥È¤Î¤¢¤ë¾ì½ê¤Þ¤Ç°Üư¤·¤Þ¤¹¡£

bash-3.00# pwd
/var/tmp/sfpDB
bash-3.00# cd sfpC-1.2
bash-3.00# ls
README.sfpC  sfpC.pl

¤³¤Îµ­»ö¤ò½ñ¤¤¤Æ¤¤¤ë 2007ǯ8·î16Æü»þÅÀ¤Ë¥À¥¦¥ó¥í¡¼¥É¤·¤¿ sfpC.pl ¤Ç¤Ï¾åµ­¥¹¥¯¥ê¥×¥È¤Ë¤¢¤ë sfpDB ¤Î URL ¤Ï¸Å¤¤¤â¤Î¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£
sfpC.pl ¤ò¥¨¥Ç¥£¥¿¤Ç³«¤¤¤Æ 137 ¹ÔÌÜÉÕ¶á¤Î°Ê²¼¤Î¥¨¥ó¥È¥ê¤ò½ñ¤­´¹¤¨¤Æ¤¯¤À¤µ¤¤¡£

Êѹ¹Á°¡§
my $req = POST 'http://sunsolve.Sun.COM/pub-cgi/fileFingerprints.pl',
¢­
Êѹ¹¸å¡§
my $req = POST 'http://jp.sunsolve.sun.com/fileFingerprints.do',


¤½¤·¤Æ¡¢Àè¤Û¤É¤Î md5 ¥³¥Þ¥ó¥É¤ò»ÈÍѤ·¤Æ¥Á¥§¥Ã¥¯¤·¤¿¤¤¥Õ¥¡¥¤¥ë¤Î MD5 ¥Ï¥Ã¥·¥å¤ò¥Õ¥¡¥¤¥ë¤ËÍî¤È¤·¤Þ¤¹¡£¤³¤³¤Ç¤Ï /usr/bin/ls ¥³¥Þ¥ó¥É¤òÄ´¤Ù¤ë¤È²¾Äꤷ¤Þ¤¹¡£

bash-3.00# md5 /usr/bin/ls > md5.out
bash-3.00# cat md5.out
MD5 (/usr/bin/ls) = ae08d6328d118dfc6ee87cd42436972e

¸å¤Ï¡¢¥«¥ì¥ó¥È¥Ç¥£¥ì¥¯¥È¥ê¤Ë¤¢¤ë sfpC.pl ¥¹¥¯¥ê¥×¥È¤ò°Ê²¼¤Î¤è¤¦¤Ë¼Â¹Ô¤¹¤ë¤À¤±¤Ç¤¹¡£
¢¨Ãí°Õ¡§ Solaris ɸ½à¤Î perl ¤Ç¤ÏɬÍפʥ⥸¥å¡¼¥ë¤¬¸«¤Ä¤«¤é¤º¡¢¼ºÇÔ¤¹¤ë¤³¤È¤¬¤¢¤ê¤Þ¤¹¡£README.sfpC ¥Õ¥¡¥¤¥ë¤ò¸«¤Æ¡¢perl ¤ËɬÍפʥ⥸¥å¡¼¥ë¤òÁȤ߹þ¤à¤«¡¢ÊÌÅÓ perl ¥Ñ¥Ã¥±¡¼¥¸¤ò¥¤¥ó¥¹¥È¡¼¥ë¤·¤Æ sfpC.pl Æâ¤Î perl ¤Î¥Ñ¥¹¤òÊѹ¹¤¹¤ë¤Ê¤É½¤Àµ¤¬É¬ÍפǤ¹¡£

bash-3.00# ./sfpC.pl md5.out

         ae08d6328d118dfc6ee87cd42436972e -  - 1 match(es)


                 canonical-path: /usr/bin/ls
                 package: SUNWcsu
                 version: 11.10.0,REV=2005.01.21.15.53
                 architecture: sparc

                     source: Solaris 10/SPARC

                     patch: 118855-36RS

¡Úsidekick.sh ¥¹¥¯¥ê¥×¥È¤Î¼Â¹Ô¡Û

¤Þ¤º sidekick.sh ¥¹¥¯¥ê¥×¥È¤Î°Ê²¼¤ÎÉôʬ¤ò¥·¥¹¥Æ¥à¤Î¹½À®¤Ë¹ç¤ï¤»¤ÆÊÔ½¸¤·¡¢¥¹¥¯¥ê¥×¥È¤Ë¼Â¹Ô¸¢¤ò¤Ä¤±¤Þ¤¹¡£

bash-3.00# vi sidekick.sh
----------------------------
...

SIDEKICK_MD5=/usr/sbin/md5
...
SIDEKICK_PERL=/usr/local/bin/perl
...
SIDEKICK_SFPC=/var/tmp/sfpDB/sfpC-1.2/sfpC.pl
-----------------------------------

bash-3.00# chmod 744 sidekick.sh
bash-3.00# ls -l sidekick.sh

-rwxr--r--   1 root     root       10711 Aug 16 13:03 sidekick.sh

°Ê²¼¤Î¤è¤¦¤Ë¼Â¹Ô¤¹¤ë¤È´Êñ¤Ê»ÈÍÑÊýË¡¤¬½ÐÎϤµ¤ì¤Þ¤¹¡£

bash-3.00# ./sidekick.sh -h
./sidekick.sh

  -R new-root-dir    Specify an alternate root directory.
  -r                 Find files commonly found in root kits.
  -u                 Find files with the set-uid bit set.
  -g                 Find files with the set-gid bit set.
  -s                 Find files with the sticky bit set.
  -U                 Find files with no valid user.
  -G                 Find files with no valid group.
  -a                 Find all files. warning: slow and many false positives will ocure
  -S                 Standalone mode.  sfpC will not be executed.
  -h                 Display this message.


Î㤨¤Ð¡¢rootkit ¤Ê¤É¤Î¸¡½Ð¤Ë»ÈÍѤ¹¤ë¤È¤­¤Ë¤Ï°Ê²¼¤Î¤è¤¦¤Ë¼Â¹Ô¤·¤Þ¤¹¡£¤³¤ì¤Ï rootkit ¤Ë¤è¤Ã¤ÆÃÖ¤­´¹¤¨¤é¤ì¤½¤¦¤Ê¥³¥Þ¥ó¥É¤¬¤¢¤é¤«¤¸¤á¥¹¥¯¥ê¥×¥ÈÆâ¤ËÅÐÏ¿¤µ¤ì¤Æ¤ª¤ê¡¢£±¤Ä£±¤Ä¤ËÂФ·¤ÆÁ°½Ò¤Î sfpC.pl ¥¹¥¯¥ê¥×¥È¤¬¼Â¹Ô¤µ¤ì¤Æ¤¤¤ë¤À¤±¤Ç¤¹¡£

bash-3.00# ./sidekick.sh -r
Searching for files commonly found in rootkits.
The output has been saved to rootkitfiles-md5.20070817110238.
Using sfpC to process MD5 signatures from file, rootkitfiles-md5.20070817110238.


         00a7737d352eca7e4e7e7a7434bdc9d5 -  - 1 match(es)



                 canonical-path: /usr/bin/date
                 package: SUNWcsu
                 version: 11.10.0,REV=2005.01.21.15.53
                 architecture: sparc

                     source: Solaris 10/SPARC

                     patch: 107551-01

...

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