Hardening 2024 Convolutionåå è¨ï¼ææ³ç·¨ï¼
2024å¹´10æ15æ¥ãã18æ¥ã¾ã§è¡ãããHardening 2024 Convolutionã«åå ãã¦ã¾ããã¾ããã
çµæããè¨ãã¾ãã¨ãã°ã©ã³ããªãåããã¦ããã ãã¾ããã
ãããªãããªã§çµãã£ãHardeningãæºåæéããçµäºã¾ã§ã®å人çãªææ³ç·¨ã§ãã
ç¨æãããã®ã«ã¤ãã¦ã¯ã¾ãå¥ã§æ¸ããããªã¨æã£ã¦ããã¾ãã
åå ã決ãã
ä»å¹´ã¯æ²ç¸éå¬ãªã®ã§ã¾ãåå ããã®ã¯ç¢ºå®ã§ãããã
çµè²»ãã»ã¼ããããªãã®ã§ä¼ç¤¾ã¨ãã¦ããªãã±ã¼ã ã£ãã¨ãããã¨ã§ããã
ãã¼ã ã決ã¾ã
8æ16æ¥ã«ãã¼ã ã¡ã³ãã¼ã確å®ãä»å¹´ã¯1ãã¼ã 7人ã®15ãã¼ã ã¨ã®ãã¨ã ã¡ã³ãã¼å°ãªãã ãªã¨æãã¾ããããåæ§è±ããªã¡ã³ãã¼ãæãã¾ããã
ãã ãåå ããæ¹ã ãå¿ãããã¾ãã¿ã¤ãã³ã°ãåããããã¼ã åãèªå·±ç´¹ä»åç»ä½æããã¾ãé²ãã ãã¨ããã¨ããã»ã©ã®æå¿ãããªãã æ£ç´ãªã¨ããä¸å®ã®ããã¹ã¿ã¼ãã«ãªãã¾ããã
æºåæéã®èè¤
çµé¨è ã¯ã©ãã¾ã§ã®æ å ±ãæããã¹ãã
ããã¦æºåæéãç§ã¯éå»ã®åå è ã ã¨ãããã¬ãã·ã£ã¼ã¨æ²ç¸ããåå ã¨ããå°ã®å©ãæ´»ãããã°ã¨ãããã¬ãã·ã£ã¼ã«æ©ã¾ããã¦ããã¾ããã
競æã¨ããããã«ã¯ããç¨åº¦ã®æ»ç¥æ³ã¨ãããã®ãåå¨ããããã§ãããã
å»å¹´ããããã¾ã§å¤§ããå¤ãããªãã ããã¨ããã®ã¯ééããªãããã§ãããããã®ã¸ããéç¹çã«ãã¼ã ã¡ã³ãã¼ã«æãè¾¼ãã°ãã£ã¨å½æ¥ã¯ããã¹ã ã¼ãºã«åããã®ã§ã¯ãªããã¨æãã¾ããã
ãã ããã®Hardening競æä¼ã®æå³ã¨ãã¦ãæ»æããããã¨ã¸ã®å¯¾å¿ã¨ããã®ãããã¨æã£ã¦ãã¾ãããã¹ã¦ãé²ãããã¨ããã¹ãã§ã¯ãªãã¨ããæãã§ããããã ãããããã¸ãã¹å´ã®ã¿ã¹ã¯ãåå¨ãã¦ããã¨æã£ã¦ã¾ãããããªã£ã¦ããã¨ãæ»ç¥æ³ããä¼æãã¦æ»ç¥ãã¦ããããã¨ãããã®ç«¶æä¼ã§å¾ãããå¦ã³ãªã®ãã¨è¨ãããã¨ããã§ããªãã
ãã¦ã©ã£ã¡ã«ããã¹ããã¨ããã®ãããã£ã¨æ©ãã§ãã¾ãããããã¯ããå½æ¥ã¾ã§åãããã«æ©ãã§ãã¾ããã
çµå±ã®ã¨ããã¯ãããæãã®ãã©ã³ã¹ã§ãã£ã¦ãããã¨æ±ºãããã ãã©ãããã§ãå½æ¥ã¾ã§æ©ãã§ã¾ãããã
æºåæéã®åã
å ¨ä½çãªæºåã¨æ å ±å ±æ
ãã¦ãã¦ã
ãããæºåæéã«ä½ãããã®ãã¨è¨ãããã¨ãã¾ãã¯éå»æ
å ±ãä½åº¦ãè¦ã¦èªãã§ãããã¨ä¼ãã¦ãå®éã«ããããã£ã¦ããã£ãæãã§ãã
ãããããèªåãä½ãããã¹ããªã®ããããã®ç«¶æä¼ã¯ã©ããããã®ãªã®ãããç解ãã¦ãããã®ã大äºã ãããªã¨ã
ããã¦ãã®ç«¶æä¼ã«ã¤ãã¦ã©ãåããåãã®ãèããã¨ããã®ããHardening競æä¼ã§æ大ã®å¦ã³ãå¾ãæ¹æ³ãããªããã¨æã£ãã®ã§ãã
ã¾ãããã¯ååæåã§åå失æã ã£ãããªã¨æã£ã¦ãã¾ãããã®ã¸ãã¯å¾ã»ã©æ¸ããããªã
Bizå´ã§ã®æºåã¨åçç¹
ãã¼ã ã¯Devã¨Bizã«åããã¦å¯¾å¿ããã¨ããã話ã«ãªãã¾ãã¦ãä»åDevãå¤ãã£ãã®ã§Bizå´ã§åæ¦ãã¾ããã
Bizå´ã®æºåã¨ãã¦ã¯ã¨ããããéå»è³æãä½åº¦ãèªãã§ãã ããã¨ããã®ã¨ãããããããã¸ãã¹ã®ã¯ã¼ã¯ããã¼ããæ¸ãåºãã¦ãã ããã¨ãããã¨ãã¡ã¤ã³ã«ãã¦ã¾ããã
ä½ããã£ãã¨ãã«Devã«å¯¾å¿ãã¦ãããã¨ãã¦ãããããæ¢ã¾ã£ãããªã«ãå°ãã®ãä¼ããã¹ãã ã¨ããèãã§ããããã£ã¦ããã£ãæãã§ãã
ã¿ã¹ã¯ã¨ãã¦ãµãã¨ããããããå¦ç¿ãã¦ãããã¨ãããã¨ã§æ¾ç½®ãã¬ã¤ãã¦ãã¾ã£ãã¨ããã®ããä»åã®åå失æã®1ã¤ã§ãããããã¡ããæå³ãä¼ããã¹ãã ã£ãããªã¨æã£ã¦ãã¾ãã
ãã¨ã¯ãã¸ãã¹ã®å¤§äºãããã¾ããã¨ä¼ãã£ã¦ãªãã£ãã®ãåçç¹ã§ãããã»ãã¥ãªãã£ã¨è¨ãã¨ãªãã¨ãªããµã¼ãã§ããªããªé å¼µããã¨ããã¨ããããã©ãã©ãã¦ããã§ããããã®ä¸ã«ãããã¸ãã¹ãããä¼ç¤¾ã¨ãã¦ã®æ¬çã ã¨ãããã¨ããã¾ãä¼ãããã¦ãã¾ããã§ããã
ãã®ããã«ããã¸ãã¹å´ã®æ¹ã
ãDevã®ãã£ã¦ããå
容ãå¦ç¿ããã¦ãã¦ãBizã®ã¿ã¹ã¯ãæ®ãã¾ãã£ã¦ã¾ããã
ã¾ããã®ã¸ãã¯å®ç¤¾ä¼ã§ãä¸ç·ãªãã§ãã©ã£ã¡ãããã°ãã¾ããããã£ã¦æã£ã¦ã¾ãã
ã試ãç°å¢ãç¨æãã
ãã¼ã å ¨ä½ã¨ãã¦ã¯ãç§ã®èªå® ã«æ§ç¯ããç°å¢ã§OpenVPNæ¥ç¶ãWordpressã®ç®¡çç»é¢æä½ããã¨ã¯Ayato-hardeningãã¤ãã£ãDevãã¼ã ã®ã¡ã³ãã¼éé£æºã®æ¼ç¿ãªã©ãªã©ããã£ã¦ããã¾ããããã®è¾ºã¯ããã£ãããããªãããªã¼ããªã³ãã¬ãããããªã®ã§èªå® ã«ä½ã£ã¦ããã£ããå ã¯èª²éãªããªã®ã¯æ°ã楽ã ã£ãã®ã§ã
ãããªãããªæ·¡ã ã¨ãã¾ã«ã¯ç±ãæºåãé²ãã¦ããã¾ããã
==
ã¨ã¤ããéã£ã¦ãããJVã¨ã¯
åæ¥è³æå¾
ã¡ããªã¨æã£ã¦ããã¨ããã§ãJVãªããã®ããããã¨ããã話ãéã£ã¦æ¹§ãã¦ãã¾ããã
3ãã¼ã ååã§ã©ããããããã¼ã¿ãããªè©±ã ã£ããã§ãããç§ã¯ãã®æç¹ã§ãå¢ããã®ã¯1å°ã ããããã¾ã§äººã¯åããªããããã¨ããèãã§ããã
ã¾ãå½æ¥ã¯ãããªãã¨è¨ã£ã¦ãããªããã¼ã¨ãªã£ãã¨ãã¦ããã¾ãã¯ããããã¹ã¿ã³ã¹ã§ããã¨ãããã¨ã§ãã
ã¡ãªã¿ã«ãã¡ã®ãªã¼ãã¼ã¯ããããããã¨ãããã¨æåã«åãã¯ãã®äººã«åãããªããã©ã©ããããã¨ã ããã¨æã£ã¦ãããã§ããã¾ãããã¾ã§æ
ã¦ããã¨ã§ã¯ãªããªã¨æãã¾ãããããã¼ãã²ã¼ã ãã£ã¦ãæä¸ã«æ
å ±ãç¥ã£ãã®ã§ä¸æ¦æ¾ç½®ãã¦ããã£ã¦ã ããªãã§ããã
JVãã¼ãã£ã³ã°ã§ã¯ã1人å°ä»»ãã ãã¹ãã çã
ã®è°è«ãè¡ããã¦ãã¾ããããã¨ãããããããã®ã¹ã¿ã³ã¹ã¯éä¸ã§èª¬æããã¦ãããã¾ããã
æçµçã«ã¯å°ä»»ã¡ã³ãã¼ãç½®ãã¦åæ
ä½æ¥ããã£ã¦æãã«ã¾ã¨ã¾ã£ã¦ã¾ããããããããã®ã¯è¹é ãå¤ãã¦ãã©ãã«ããªããªãã®ã§è¯ãã£ãã¨æã£ã¦ãã¾ãã
Preparation Day
ãã¦ãã¦åæ¥ãåã
æ¥ã¯é£²ã¿ä¼ã«åå ãã¦ãããã«åæ¥ååä¸ã¯ä»äºãã¦ãã®ã§ããããããããã§ããã
åæ¥ã®ä¼è°å®¤ã«ã¤ãã¦ã¯ãç§ã®æ¹ã§ç¥ãåãã«ãé¡ããã¦æ¼ãããå ´æããã£ãã®ã§17æããããã§éå¬ã¨ããå½¢ã§ããã
貸ãã¦ããã ããã®ã¯ããµã¤ã³ãå ãã¨ãããã¼ãã²ã¼ã ã·ã§ãããåããã®ã¯å庫ãªã®ã§ãããåºèãé£è¦ã¨åè°·ã§2åºèã
ãã¼ãã²ã¼ã ã®ãã¬ã¤ã¹ãã¼ã¹ã¨è²©å£²ãè¡ã£ã¦ããã·ã§ããã§ãã
ãã¼ãã²ã¼ã ã·ã§ãã | ãµã¤ã³ãå
ä¼è°å®¤åãã¦ãè¯ãã£ããã§ãããæéå¶éçã
ãããã®ã§ããããã®ããªãå ´æã®ã»ããå®ã¯ãµã¯ãµã¯çµããããããªãããªã¨ããèãã§ããã
ã¨ããããç§ã¯è³æèªã¿ã¾ãã£ã¦ããã®ã§ãåæ¥è³æãèªãã®ããµã¯ãµã¯é²ãã¦ç¿æ¥ã«ä½¿ããªã¹ãã®ä½æãè¡ããããã«å¨ãã®ã¡ã³ãã¼ããã®è³ªåã«ãçãã¤ã¤ãåæ¥ã®ä½æ¥ãæ·¡ã
ã¨ããªãã¦ããã¾ããã
è¯ãã£ããªã¨æã£ã¦ããã®ã¯ã URLãªã¹ãããã©ã¦ã¶ã®ãæ°ã«å
¥ãã«è½ã¨ãè¾¼ãã ã㨠ã§ããã
ãããããã¨ã¢ã¯ã»ã¹ã便å©ã§ããããããã¡ãããããæãååã§ã¨ããããã¦ãããã°ãã使ãããã®ã«ãªã£ãããªã¨æã£ã¦ãã¾ãã
ä»åããå°å ¥ãããHardeningã«æ £ãã¾ãã£ãé人ã®ãã¡ã³ã¿ã¼ãã®æ¹ã ã訪ããã®ã23æé ãã¢ããã¤ã¹ã¨ãã¦ã¯ãå¯ãããå¯ããªãã®æè¦ã対ç«ãã¦ããã¾ããããã¡ããã©ä½æ¥ãã ããã¦ããã¨ããã ã£ãã®ã§ãããã¢ã¯ã»ã³ãã«ãªãã¾ããããããã¨ããããã¾ãã
ä¼è°èªä½ã¯24æããã«çµäºãã¦å¸°å® ã«ãªã£ãããã§ãããä¸é¨ã®ã¡ã³ãã¼ã¯å¤æãåã¾ã§äºåä½æ¥ãç¶ãã¦ããããã§ããè¥ãã
Hardening Day
ãã¦å½æ¥ããã¼ã ã2ã¤ã®ã¨ãªã¢ã«åãããã¨èãã¦ãã¾ããããã¾ãæ°10mç¨åº¦ã®è·é¢ã
ãã¤ãã®ããã«ãµãããã¨éå§ãããç§ã¯ã¡ã¾ã¡ã¾ã¨ã¦ã§ãUIç³»ã®ãã¹ã¯ã¼ãå¤æ´ã«å¤ããã§ããã¾ããããããååä¸ã¯ã»ã¼ããã§çµããã
åå¾ã«ãªã£ã¦ã¡ããã¡ããã¨ãããã¬ã³ã¬ã³æ»æãããããã«ãªã£ã¦ããã¯ãããè¨ã£ã¦ãããã¦ãªãããã¸ãã¹å´ã¯ã¦ã§ãã触ããã¨ãå¤ãã®ã§æ°ãã¤ããã¨ãå¤ãã
ããã¦ãããæ£ç¢ºã«Devå´ã«ä¼ããªãã¨ãããªããããããã¯åãããç¡ããªã¨ãããã¨ã§ããã£ããå
ã¯ãã£ã¨Bizã¨ãªã¢ã¨Devã¨ãªã¢ãåãåããç¶æ³ãä¼ãã¦å¯¾å¿ãã¦ãããã¨ããã®ããã£ã¦ãã¾ããããã®ãããç§ãHardeningã§ãªã«ãæ®ããããªå®ç¸¾ããã£ããã¨ããã¨é£ããã¨ããã§ãã
ã§ãããã§ãããããããããªãã¸ã¿ãããªäººã¯ã²ã¨ãå¿
è¦ã ãªã¨ããã®ã¯å®æãã¾ãããã©ããã®ãã¼ã ã¯ãªããã¨è¡¨ç¾ãã¦ãã¾ãããã
ã¾ããããªãããªã§å½æ¥çµããã§ãã
Analysys Day
ãã¦æ¯ãè¿ããã¨ã¯ãã£ã¦ãã12æåã¾ã§ã«ã¯ãªã«ãåºããªãã¨ãããªãã¨ãããã¨ãªã®ã§ãæã®5æããã«ç½®ãã¦ãããå°ãä½ã£ã¦ã¾ããã
ãã¨ã¯ãã¼ã ã§éã¾ã£ãéã«ããã«å¿ è¦ãªäºé ãåãè¾¼ãã§ããã¨ããæµããããã¯è¯ãã£ãããããªãããªã¨æã£ã¦ããã¾ãã
ããã¦ãã¼ãªã¼ã¨BBQ
ãããã®ã²ã¨ã¨äº¤æµã§ããããããããããã¦ãªããããã¨ããã®ãä¸å®ç¹ã
Softening Day
ãã¼ãåªåãã¾ããããããã¨ãããã¾ãã
ãã¼ã ã«é¢ãã¦ã®ç§ã®ææ³ã¯Discordã«é·ã æ¸ãããã®ãæµç¨ãã¾ãã
1.Windows Serverã触ãã人ããã
Hardeningã«æ¥ãæ¹ã
ã¯ã©ã¡ããã¨ããã¨Linux/Unixã«å¯ã£ã¦ããã¨æãã¾ãããä»åã®ãã¼ã ã«ã¯WindowsServerã触ããæ¹ãããã®ã大ããã£ãã§ãã
ä»ãã¼ã ã®æ¹ã
ãå³å¾å·¦å¾ãã¦ããã©ã³ãµã 被害ã«åããªãã£ãã¨ããã®ã大ããã£ãã¨æãã¾ã**ã
2.æè¡ãã¼ã å´ã®ã³ãã¥ãã±ã¼ã·ã§ã³
ãã¼ã ã«åãä¼ç¤¾ãã3åã®æ¹ãåå ãã¦ãã¦ã1åã¯JVæ
å½ã§æ®ãã®2åããã¼ã ã®ãµã¼ãæ
å½ã¨ããæ¯ãåãã§ãããããã¯ãã¼ãããã³ãã¥ãã±ã¼ã·ã§ã³ãæ§ç¯ãã¦ããã®ã¨ã¯ç°ãªããã¹ã ã¼ãºãªã³ãã¥ãã±ã¼ã·ã§ã³ãè¡ããã¨ããã®ã¯ããã¾ã大ããã
ããã¾ã§ãã¼ã ãã«ãã£ã³ã°ã§ã§ããã°ãããã§ãããããããããªãã®ãHaedeningã®é£ããããããªä¸ã§æ¬æ¦ä¸ã«ãã¹ã ã¼ãºãªã³ãã¥ãã±ã¼ã·ã§ã³ãè¡ããã®ã¯å¤§ããã£ãã§ãã
3.å¦çãªã¼ãã¼ãé°å²æ°ãçãä¸ãã¦ããã
æ¬äººã¯ããããèªèããªãã£ãããããã¾ããããæ¬æ¦éä¸ããã¹ã³ã¢ãè¦ã¦ãããããããããªããã¨ãããã³ã·ã§ã³ã§é å¼µã£ã¦ããã®ã§ããã¡ããé¼èããããã®ãããã¾ãã
å¦çãªãã§ã¯ã®ãã¹ï¼ããã¯ç§ã®ãã¹ã§ãããã¾ããã詳細ã¯SofteningDayã®å·å£ããã®ãã¿ãã©ã·ãï¼ãããã¾ããããå¤ä¸ãã«ãã売ä¸ã¢ããã§ã¯ãªãã人æ°ã¬ãã«é«ããã ãããå¤æ®µé«ããã¦ã売ããã§ããããã¨ããçºæ³ã§æ©ã段éã§å¤ä¸ãããããªã©ãå¦çã ããããã®ããªã§çãä¸ãã¦ãããã®ã¯ãããããã£ãã§ãã
4.ãã¸ãã¹ã¨æè¡ã横æçã«ç解ãã¦ãã人ããã
ããã«ã¤ãã¦ã¯èªç»èªè³ã§ãããéå»è³æãèªã¿ã¾ãã£ã¦ãã¸ãã¹å´ãæè¡å´ãããç¨åº¦ç解ãã¦æ¬æ¦ã«æã¿ã¾ããã
ãã®ããã©ã£ã¡ãããç¨åº¦ããã£ã¦ããã®ã§ããµã¼ãã¹ã§ãªã«ãçºçããéã«ã¯ãã¸ãã¹å´ã§çºçããäºè±¡ãã§ããã ã詳細ã«æè¡å´ã«ä¼ãããã¨ãã§ããã¨æã£ã¦ãã¾ãã
ãµã¼ãã¹ç£è¦ããã¦ããªãã£ãããã常ã«ä½ãããã触ã£ã¦ãããã¸ãã¹å´ã§é害æ¤ç¥ããå¯è½æ§ãé«ãããããããã«ãã¦æè¡å´ã«ã¹ã ã¼ãºã«å¯¾å¿ãã¦ããããããã«ä¼ããã®ãã¯éè¦ã ãªã¨å®æãã¾ããã
5.ãããã¨ããããã©ãã¼ãã¦ãããæ¹ããã
ãã¿ãã¿ãã¦ãä¸ã§ãã©ã£ããã¨æ§ãã¦ãã¹ã¯ãªã¼ã³ã·ã§ããã®åå¾ãã¡ã¼ã«ã®è¿ä¿¡ãªã©ãçå®ã«ããªãã¦ããã¦ããæ¹ãããã®ãããã£ãã§ãããæè¡çãªãã¦ãã¦ããªãã¨ãã¦ããã¸ãã¹ãé²ãã¦ããããã§ã¯å¿
è¦ãªãã¸ã·ã§ã³ã§ãã
ããã¯ãã£ã¦ããã£ã¦ããªã¨ããå®å¿æãããã®ã§ãä»ã®ãã¨ã«æ³¨åã§ããã¨ãããããã¾ãã
6.JVã«ãã£ã¤ãã¤ãã¦ããã
æ£ç´JVã«é¢ãã¦ã¯ã3ãã¼ã ã§1å°å¢ããã ããã ã¨ã¯æã£ããã§ãããããã§ã次ãã次ã«æ¥ãæ»æçã
ã«å¯¾ãã¦ã®å¯¾å¿ãåæ対å¿ãªã©ã¯æã£ã以ä¸ã«æéãããã£ãã¨ã§ãããããæ°æ¥ã§ããã¾ã§ã®ææçéãã¯ãã£ã¦å¯¾å¿ããã¨ããã®ã¯é£ããã£ãã¨æãã¾ãã
å®éã«ã¯ãã ã®1å°ã§ã¯ãªããåæ¥ã«ãã1å°ããã£ããå®åç¯å²æ±ºãã¦ããã®ã¯ãæ¬æ¦ã§ã®ãµã¼ããè¡ããã¨ãããé£æ度ã¯é«ãã£ãã¨æãã¾ãã®ã§ãããã«æ³¨åãã¦ãã£ããã¨çµæãæ®ãã¦ããã ããã®ã¯æè¬ããããã¾ããã
ãããã
ãã¦çµããã¾ããããããããããä½ãã¦ããã®ãã¨ããã¨ããã大äºãªæ°ããã¾ãã
ã¨ããããä»åã®åçç¹ãä¸ãã¦ããã«ã¤ãã¦ã®ç解ãæ·±ããããä»ãã¼ã ã®ãã£ããã¨ã確èªããªãã次ã«â¦æ¬¡åå ããã®ãã¯ç½®ãã¨ãã¦ã次ã«çãããããã«ããã¨ããè²ã
ããã¨æã£ã¦ãã¾ããæ£ç´ãªã¨ããå»å¹´ã¯ãããã§ãã¦ããªãã£ãã¨åçãã¦ãã¾ãã
Hardeningã®æ¬æ¦ãçµãã£ãã ãã§ãã»ãã¥ãªãã£ã®ä½ããããçµãã£ããããããªãã®ã§ããã£ããå¼å¸ãæ´ãã¦ãã®å ã«åãã¦åããã¨æã£ã¦ãã¾ãã
ã¨ããããããã¾ã§ã¼ãæè¡çãªã¨ãã¨ããããã¾ãç´°ãã話ã¯ã¾ãå¾ã§æ¸ãã¾ããããã¶ãã