کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10341449 695672 2016 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Time is on my side: Steganography in filesystem metadata
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر شبکه های کامپیوتری و ارتباطات
پیش نمایش صفحه اول مقاله
Time is on my side: Steganography in filesystem metadata
چکیده انگلیسی
We propose and explore the applicability of file timestamps as a steganographic channel. We identify an information gap between storage and usage of timestamps in modern operating systems that use high-precision timers. Building on this, we describe a layered design of a steganographic system that offers stealthiness, robustness, and wide applicability. The proposed design is evaluated through theoretical, evidence-based, and experimental analysis for the case of NTFS using datasets comprising millions of files. We report a proof-of-concept implementation and confirm that the embedded information is indistinguishable from that of a normal filesystem use. Finally, we discuss the digital forensics analysis implications of this new information-hiding technique.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Digital Investigation - Volume 18, Supplement, 7 August 2016, Pages S76-S86
نویسندگان
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