Objective To establish a method for recovering DVR video file.Methods The documents head, tail sign were determined by keyword search method first, and then the underlying data of video files was recovered.Results The underlying data of the DVR video file was recovered successfully.Conclusion The keyword search method is effective in the underlying data recovery of DVR video file.
Key words
DVR /
data recovery /
-searching /
header identifier /
EOF /
WinHex
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References
[1] 姚波,韩杰,贾永生,等.硬盘录像的取证思路[J].刑事技术,2010(2):66-67.
[2] 汪中夏,刘伟. 数据恢复高级技术[M].北京:电子工业出版社,2006.
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Footnotes
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