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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) IoT ±â±â Ç÷¡½Ã ¸Þ¸ð¸®ÀÇ Ext4 ÆÄÀÏ ½Ã½ºÅÛÀ» À§ÇÑ µðÁöÅÐ Æ÷·»½Ä ÀýÂ÷
¿µ¹®Á¦¸ñ(English Title) A Digital Forensic Process for Ext4 File System in the Flash Memory of IoT Devices
ÀúÀÚ(Author) Á¤ÁØÈ£   ±è¹ü¼®   Á¶Áø¼º   Junho Jeong   Beomseok Kim   Jinsung Cho  
¿ø¹®¼ö·Ïó(Citation) VOL 48 NO. 08 PP. 0865 ~ 0870 (2021. 08)
Çѱ۳»¿ë
(Korean Abstract)
ÃÖ±Ù ±Þ°ÝÇÑ Åë½Å±â¼úÀÇ ¹ß´Þ¿¡ µû¶ó IoT(Internet of Things)ÀÇ È®»êÀÌ °¡¼ÓÈ­µÇ°í ÀÖÀ¸¸ç IoT ±â±â´Â Àΰ£ÀÇ »î°ú ¹ÐÁ¢ÇÑ ºÐ¾ß¿¡¼­ È°¿ëµÇ¾î ¹üÁË ¹× »ç°í °æȲ Á¤º¸ Á¶»ç¿¡ Àû±ØÀûÀ¸·Î È°¿ëµÇ°í ÀÖ´Ù. ÀÌ¿¡ µû¶ó µðÁöÅÐ Æ÷·»½ÄÀÇ Á߿伺ÀÌ ºÎ°¢µÇ¸ç ±× ¼öÇà ÀýÂ÷¿¡ °üÇÑ ¿¬±¸µéÀÌ ÁøÇàµÇ°í ÀÖ´Ù. ÇÏÁö¸¸ IoT ±â±â´Â »óÀÌÇÑ ±Ô°ÝÀ¸·Î ÀÎÇØ ½ÇÁ¦ ÇöÀå¿¡¼­ »ç¿ëµÉ ¼ö ¾ø´Â Ãß»óÀûÀÎ ¹æ¹ý·ÐÀ» Á¦½ÃÇÏ´Â ¿¬±¸°¡ ´ëºÎºÐÀÌ´Ù. ¶ÇÇÑ Æß¿þ¾î ºÐ¼® µµ±¸·Î È°¹ßÈ÷ »ç¿ëµÇ´Â binwalk ºÐ¼® µµ±¸´Â ext4 ÆÄÀÏ ½Ã½ºÅÛ¿¡ ´ëÇÑ ºÐ¼® ¹× ÃßÃâÀ» Á¦´ë·Î ¼öÇàÇÏÁö ¸øÇÏ°í ÀÖ´Ù. ÀÌ¿¡ º» ³í¹®¿¡¼­´Â ÀÌ·¯ÇÑ ¹®Á¦Á¡À» ÇØ°áÇϱâ À§ÇØ binwalkÀÇ ¿Ã¹Ù¸¥ ext4 ÆÄÀÏ ½Ã½ºÅÛ ÃßÃâ ¹× ºÐ¼® ¹æ¾ÈÀ» Á¦½ÃÇÏ°í À̸¦ ÀÌ¿ëÇØ IoT ±â±âÀÇ Ç÷¡½Ã ¸Þ¸ð¸®·ÎºÎÅÍ ext4 ÆÄÀÏ ½Ã½ºÅÛÀ» ÃßÃâÇÏ´Â ÀýÂ÷¸¦ Á¦¾ÈÇÑ´Ù. ¶ÇÇÑ, DJI Phantom 4 Pro V2.0 µå·ÐÀ¸·Î PoC¸¦ ±¸ÇöÇÏ¿© Á¦¾ÈÇÏ´Â ÀýÂ÷¸¦ °ËÁõÇÑ´Ù.
¿µ¹®³»¿ë
(English Abstract)
With the recent rapid advances in digital communication technology, the spread of IoT(Internet of Things) has accelerated and IoT devices can be utilized to investigate crimes and accidents due to the close connection between human society and IoT devices. Accordingly, with the increasing importance of digital forensics, numerous studies have been conducted. However, most digital forensics research proposed only abstract methodologies due to the various types of IoT devices. In addition, binwalk, which is actively used as a firmware analysis tool, does not adequately analyze and extract the ext4 file system. To solve these problems, this paper proposes a proper extraction and analysis method and a practical process that could extract the ext4 file system from the flash memory of IoT devices using the binwalk with the proposed method. This study also verifies the proposed process with DJI Phantom 4 Pro V2.0 drone.
Å°¿öµå(Keyword) »ç¹°ÀÎÅͳݠ  µðÁöÅÐ Æ÷·»½Ä   µðÁöÅÐ Æ÷·»½Ä ÀýÂ÷   ext4 ÆÄÀÏ ½Ã½ºÅÛ   IoT   digital forensic   digital forensic process   ext4 file system  
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