NDLI: Data concealments with high privacy in new technology file system

Content Provider	Springer Nature Link
Author	Hsu, Fu Hau Wu, Min Hao Ou, Syun Cheng Wang, Shiuh Jeng
Copyright Year	2015
Abstract	This paper proposes a new approach, called file concealer (FC), to conceal files in a computer system. FC modifies metadata about a file in NTFS (New Technology File System) to hide the file. Unlike traditional hooking methods which can be easily detected by antivirus software, experimental results show that it is difficult for antivirus software to detect the files hidden by FC. Moreover, to enhance the concealment capability of FC, FC also rearranges the order of some data sectors of a hidden file. As a result, even if another person finds the original sectors used by the hidden file, it is difficult for him to recover the original content of the hidden file. Experimental results show that even data recovery tools cannot restore the content of a hidden file. All information that is required to restore a hidden file is stored in a file, called recovery file hereafter. When a user uses FC to hide a file, the user can specify any file as a host file, such as an image file, to which the recovery file will be appended. As a result, the user can easily restore a hidden file; however, it is difficult for other person to detect or restore the hidden file and the related recovery file.
Starting Page	120
Ending Page	140
Page Count	21
File Format	PDF
ISSN	09208542
Journal	The Journal of Supercomputing
Volume Number	72
Issue Number	1
e-ISSN	15730484
Language	English
Publisher	Springer US
Publisher Date	2015-08-11
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	File rootkit NTFS File storage system Anti-forensics Programming Languages, Compilers, Interpreters Processor Architectures Computer Science
Content Type	Text
Resource Type	Article
Subject	Theoretical Computer Science Information Systems Hardware and Architecture Software

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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