1æ°åã³ããæ¥è§¦ç¢ºèªã¢ããªãCOCOAããä¸å ·åãè¦ã¤ããããã®...ãªã¬çã²ã¼ã éå ±ï¼ ... 2æ室ã§ææ¥ä¸ã«ç¼¶é ãã¤ãå°å¦æ ¡æè«ãæ¸çµ¦ï¼ãæãè¡åçã«é£²...çããã¥ã¼ã¹(ï¾â`... 3ãææ¥ç ²ããã¸ãã¬ãã®å¥³åã¢ããããå®å ¨ã«ã¢ã¦ãï¼ï¼ï¼.......NEWSã¾ã¨ãããã¼ï½... 4ãè¬ãã¹ãºã¡ã®æ»éª¸ãã»ã¨ãã©è¦ãããªãçç±ä¸æè°.net 5ç«ã®å¿éä½é¨ãããããããã¼ã«è¢ã®èå¾éãã¾ããã¡ã¾ãããã¼... 6æ°åã³ããæ¥è§¦ã¢ããªãCOCOAãä¸å ·åãåå´çã調æ»ã»å ±å â...ã¯ã¡ã¾èµ·ç¨¿ 7ã社æ°å 常任幹äºãä¼æ¯åå¤åããããå·®å¥ããæ¥æ¬ç¤¾ä¼ã¸ã®ã...ãã ã¹ã¿ã¼éå ± 8ä¸æ¥ãã©ã´ã³ãºããããã10試åå¹³å1.6ç¹ãªããããã¹ã¿ã¸ã¢... 9æå·ã®14æ³å¥³åä¸å¦çãããåæ»äºä»¶ã£ã¦å²å¦ãã¥ã¼ã¹nwk 10ãåç¶ãéµä¾¿åãã«ãæ¯åããã¯ã¾ã ç¡è·ã§ããããæ¯åããã¯...稲妻éå ± 1
2009å¹´04æ22æ¥19:15 ã«ãã´ãªLightweight Languages perl - Shibuya.pm #11:The Catcher in the INT 80h Shibuya Perl Mongersãã¯ãã«ã«ãã¼ã¯#11ã§å ã»ã©çºè¡¨ãçµããã¨ããã§ãã Shibuya.pm #11:The Catcher in the INT 80h llevalãã©ãå®è£ ãããã¨ããã¹ã©ã¤ãã§ãããããã«ãã¦ããã® tech talk ã® no perl ã¶ãã¨ããã!ç§ã®ã¹ã©ã¤ãã«ãã¦ãã FreeBSD ã® system call ãã©ããªã£ã¦ããã ã®ã¨ãã£ã話ã ãã ã¦ã£ã¼ã¯ãã¤ã®ã©çãä¸ã®å¤å¦ä¼ãããããããªã§ããã·ãªå¥´ã«200人ãåå ããæ±äº¬ã¨ããåå°ã«~(絶æ)*0ãã! Dan the ~"\x8f\x9a\x8d\x93" Hacker ~ã¯ãããæ¼ç®ã ãLi
Shibuya Perl Mongers : Shibuya Perl Mongersãã¯ãã«ã«ãã¼ã¯#11ã«è¡ã£ã¦ãããShibuya.pmååå ã ãã¼ãã¯"no Perl; use x86;"ã¨ããä½ã¬ãã«ããªå 容ã å 容ã«ã¤ãã¦ã¯Yokohama.pmã«ç¶ãid:hirataraããã®ã¬ãã¼ãã詳ããã§ãã ä»æ¥ã¯Shibuya.pm #11ã®æ¥ã§ã - åæµ·éè«å°ç§å¸åºèº«ã®PGãæ¸ãããã° ãããã£ããèªåã§ãææ¸ãã§ã¡ã¢ãã¨ã£ã¦ã¿ãã®ã§ãç解ã§ããã¨ããã¨åºæ¥ãªãã£ãã¨ãããæ´çããããã«ããå ¨é¨æãã¦ã¿ã¾ãã è²ã ééã£ã¦ããã¨ãããããã¨æãã¾ããããææãªã©ããã ããã¨å¹¸ãã§ãã 第ä¸é¨ sandboxç¹é ãã¤ããªçã§æã¾ã㦠- inside lleval (dankogaiãã) ã©ã¤éº¦çã§ã¤ãã¾ãã¦ãããããã¤ããªçã§éãã§ããåã©ããã¡ãæã¾ãã¦ããããããããª
Perléçºè ã®éã¾ãã§ããShibuya.pmã®ãã¯ãã«ã«ãã¼ã¯#11ã¨ããã¤ãã³ãã«è¡ã£ã¦ãã¾ããããããããããæ¿ãæè¡è©±ããã³ãããããªãã話ãã¦ãã¦ã楽ããåå¼·ã§ãã¾ããã Perlã¨ããã¤ã¤ãä»åã¯ã·ã¹ãã ã³ã¼ã«ã¨ãã¬ã¸ã¹ã¿ã¨ãjmpã¨ãNOPã¨ããããªåèªã主ã«é£ã³ãã£ã¦ãããããªâ¦ã¨ããããã§ãå 容ã¯ããããªãã£ããã©ããã°ã£ã¦ã¡ã¢ã¨ãã¾ãã ï¼ï¼ 以ä¸ããã®ã¡ã¢ã®ã¾ã¨ãã§ããééããªã©ããã¾ããããææãã ããã ãã¤ããªçã§æã¾ã㦠- inside lleval (dankogai) ããµãªã³ã¸ã£ã¼ã¯ããã¾çã¾ãããPerl Mongerã«ãªã£ã¦ããã«ã¡ãããªããã¨ãããã¨ã§ãããã°ã§æ¸ãã¦ããllevalãç´¹ä»ããã®ãããã¯ãå´ã£ã·ã¡ã§æ¢ãããllevalã¯LLãWebä¸ããå®è¡ããä»çµã¿ãPerlã¨ããPerl 6ã¨ããã¿ããªå¤§å¥½ãBASICã¨ãã å±ãªãã®ã§ãµã³
æ¨æ¥éå¬ããã Shibuya Perl Mongersãã¯ãã«ã«ãã¼ã¯#11ã§ãWindowsã¦ã¼ã¶ã®ããã®åãã¦ã®Perlããã°ã©ãã³ã°ãã¨ãããã¼ãã§LTãã¦ãã¾ããããªããªããã£ãã説æã¯ã§ããªãã£ãã®ã§ããã¢ã¨ãã¦ç¨æãã¦ãããã³ã¼ããè²¼ã£ã¦ããã¾ãã (追è¨)ãã¬ã¼ã³ãã¼ã·ã§ã³è³æãã¢ãããã¼ããã¦ããã¾ãã http://www.slideshare.net/hasegawayosuke/windowsperl-1330816 ã¡ãªã¿ã«ãããã®PPTã®ãã³ãã¬ããè¦ã¤ããããã¨è¨ããããã§ããã©ãæé ãªãã³ãã¬ããªãã£ãã®ã§èªåã§ãã¼ãã¨ã並ã¹ã¦ä½ã£ããã¤ã§ãã Perlããx86ã³ã¼ããå¼ã³ããã¨ãã®ä¾ãWin32 APIã® SetConsoleCtrlHandler ã使ã£ã¦ãã¤ããªã³ã¼ããã·ã°ãã«ãã³ãã©ã«è¨å®ããGenerateConsoleCtrlEvent 㧠C
1. Plugin ãã©ã°ã¤ã³ã®ä½¿ç¨ãæ§ãã ééã£ã使ç¨æ¹æ³ãå®è£ æ¹æ³ã§å®ç¾©ããã¦ãããã¨ãå¤ã ãã©ã°ã¤ã³ã®ä½¿ãã©ãã ãªã¯ã¨ã¹ããã£ã¹ãããã®ãã¸ãã¯ãç£è¦ãå¤æ´ããå ´åã®ã¿ ãªã¯ã¨ã¹ããã©ã¡ã¼ã¿ã¼ã®å¤æãCatalyst ã®ã¡ã½ããå®è¡ãã§ã¼ã³ã®å¤æ´ãå«ã æ¬å½ã«ä½¿ããªãæ¹å㧠Catalyst::Plugin::* ã®ä¸ã«ã¯ãããããã©ã°ã¤ã³ã¨ãã¦å®è£ ãããã¹ãã§ãªããã®ãå¤ã ã³ã³ããã¹ããªãã¸ã§ã¯ã ($c) ã«ã¡ã½ããã追å ããå®è£ ãããããè¯ããªãææ³ å¤§åã®ãã©ã°ã¤ã³ã¯ã¢ãã«ã¨ãã¦å®è£ ãããã¹ã ãã以å¤ã¯ããããåå¨ããã¹ããã©ããããçå (eg.Catalyst::Plugin::Message) Catalyst::Plugin::Authentication ã¯ã©ããªã®ï¼ ã¨ã¯ãããä¾å¤ã¯ãã èªè¨¼ç³»ã¨ã»ãã·ã§ã³ç³»ã¯ãã©ã°ã¤ã³ã§åå¨ããªããã°ãªããªãæå³ããã
Shibuya.pm #11ãno Perl; use x86;ãéè³ãã¦ããã 常ã Perlã¯LLãããªãããããªããã¨æã£ã¦ããã®ã ããLLã®ç®ããã¶ã£ãã¢ã»ã³ãã©ã§ãããã¨ãå確èªããã®ã§ãã£ãã 1. catcher in the int 80h; inside lleval FreeBSD::i386::Ptraceã®å®è£ ã«ã¤ãã¦ã pt_to_sce()ã§systemcallãå®è¡ç´åã«ããã¯ã§ãããã¹ã¿ãã¯ã«ç©ã¾ããå¼æ°ãæ¸ãæãããã¨ãã§ããã®ã§ãå®è¡ããããªããªãã¬ã¼ã·ã§ã³ã§ããã°SEGVã§æ»ã¬ãããªå¼æ°ã«æ¸ãæãããã¨ã§sandboxãå®ç¾ã forkã¯å¼æ°ããªãã®ã ããEIPã0ã«å¤æ´ãããã¨ã¯ã§ããã®ã§ãããã§æ®ºããã¢ãã¬ã¹0ã«mmapãããã¨SEGVã§æ»ãªãªããªã£ã¦ãã¾ãã®ã§ãããææ¢ããã 2. Perl sandbox for Linux fork() sys
Directory Hierarchy % find . -xdev | sort ./0123456789abcdef ./0123456789abcdef/eval.pl ./bin ./dev ./etc ./etc/localtime ./etc/protocols ./etc/services ./lib ./libexec ./libexec/ld-elf.so.1 ./libexec/ld-elf.so.1.old ./tmp ./usr ./usr/bin ./usr/bin/bwbasic ... ./usr/bin/perl ... ./usr/bin/tclsh ./usr/lib ./usr/local ./usr/local/bin ./usr/local/lib ./usr/local/libexec ./usr/local/perl6 ./usr/local/
16. % dprofpp Total Elapsed Time = 2.563600 Seconds User+System Time = 0.703600 Seconds Exclusive Times %Time ExclSec CumulS #Calls sec/call Csec/c Name 6.96 0.049 0.067 15 0.0033 0.0045 Prophet::Replica::sqlite::BEGIN 6.82 0.048 0.049 41 0.0012 0.0012 Mouse::Meta::Method::Constructor:: generate_constructor_method_inline 5.40 0.038 0.038 464 0.0001 0.0001 Params::Validate::_validate 4.97 0.035 0.0
Shibuya.pm #11ã§çºè¡¨ãã¾ãã ããã«ã¡ã¯ãæ¬æ¥ã®HOTELæ å½ãç´ æµãªã¬ãã£ã¼ãã¨Yappoã§ãã3人ã®è·ç©ã家æã®ãªã¢ãã£ã«ãããªããå¿é ã ãã©ããå¯ããï¼è©±ã¯å¤ãããã©ãacotieããã¯ã¢ã¯ã¡ã¢ã¯ã¡è¨ã£ã¦ã¦ã©ãã ãã¢ã¯ã¡å¥½ããªãã ãï¼ã¨æã£ãã®ã¯å ç·ã ãï¼ ã¨ãã訳ã§Shibuya.pmã§çºè¡¨ãã¦ãã¾ãããäºæ¬ç«ã¦ã§ãã ä¸æ¬ç®ã¯ãä¸è¬çãªperl userã®ä½æ³ã®BããDevel::Peekã®ç´¹ä»ã«å ãã¦ãæ°ããä½ã£ãDevel::RunOpsAnalizeã使ã£ã¦OPCODEã®å®è¡åä½ã§Perlã®åä½ãè¦ãè¦ãæ¹æ³ã®ç´¹ä»ããã¾ããã äºæ¬ç®ã¯LTã§ãdan the eval botã®ä½ãæ¹ã説æããçºã®CentOSã®ã¤ã³ã¹ãã¼ã«ãããã¨ããã®ãå£å®ã«Hatetterã®ã¢ã¼ããã¯ãã£ãããªããããã®è¦ç´ ãæ¡ç¨ããããç´¹ä»ãã¾ããã ãã¡ããCentOSã®ã¤ã³ã¹ãã¼ã«ã
ã©ã³ãã³ã°
ãç¥ãã
ã©ã³ãã³ã°
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}