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Questions tagged [ntfs-mft]

Master File Table (MFT) is an integral component of the NTFS file system. The MFT contains metadata about every file, directory, and metafile on an NTFS volume. It includes filenames, locations, size, and permissions.

The Master File Table (MFT) contains metadata about every file, directory, and metafile on an volume. It includes filenames, locations, size, and permissions. Its structure supports algorithms which minimize disk fragmentation. A directory entry consists of a filename and a "file ID", which is the record number representing the file in the Master File Table. The file ID also contains a reuse count to detect stale references.

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How to get LBA(logical block addressing) of a file from MFT on NTFS file system?

I accessed the $MFT file and extracted file attributes. Given the file attributes from MFT, how to get a LBA of file from the MFT record on NTFS file system? To calculate LBA, I know that cluster number of file. It that possible using cluster…
andwella
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Can a short file uses more MFT records than a longer file?

As we know, in NTFS we store our metadata in structures called MFT record (which contains some runs). The book asks the next question Can it be that a short file uses more MFT records than a longer file? I think that the answer is no - because if…
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In NTFS, what is the difference between the FRN and the FileID64?

NTFS seems to have two internal identifiers for file system entries: the FRN (File Reference Number), and the FileID64. From all the research I've been doing (aside from peering into actual code), they appear to serve the same function of…
Ruslan
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how to determine USN_RECORD version for usn journal?

I want to learn the principle of everything, and use usn logs to monitor the addition and deletion of system files. I wrote a piece of code under windows11, VS2019, Platform Toolset= (v142). But I found that record->Reason (USN_RECORD) always…
BoGe
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Windows FindFirst/NextFile Returned Files Order

I need to process a large number of files. Processing must be able to be stopped and then restarted, in a different session. I need to restart processing from the point where it was interrupted. The solution I was thinking of is the following: Save…
zdf
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Calculations of NTFS Partition Table Starting Points

I have a disk image. I'm able to see partition start and end values with gparted or another tools. However, I want to calculate them manually. I inserted an image , which showing my disk image partition start and end values. Also, I inserted $MFT…
Ahmet Furkan Aydoğan
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HTTP Error 500.0 - Internal Server Error when get Image in ASP.net web API folder

I am trying to browse Image from Images folder in my ASP.net web API project like this:- http://localhost:56951/Images/221020065254AM_13906734_658826644282707_5299628712403615086_n.jpgenter image description here. I have got the Image name and…
Lakmal
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NTFS Extended Attributes,

I have been struggling to understand how exactly NTFS Extended file Attributes works. I'm studying the Data Loss Prevention(DLP) products (like Symantec, McAfee, Forcepoint DLP products). and in the DLP products, there has a mechanism that the DLP…
jaykr
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How are DOS-filenames handled in the MFT in Windows 10?

Filenames are stored in the MFT in the $30 attribute of the file record. Before Windows 10 a file record would most often have two $30 attributes, the first one for the 8.3 filenames and - if the length of the filename exceeded 8 characters - a…
stackmik
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Why do files, which are not deleted, point to invalid NTFS MFT records?

I have been messing with NTFS lately in order to perform quick search (by parsing MFT) which is supposed to reveal files with specific extensions (even if they were deleted) and find their path. The first weird thing that I have encountered is that…
16Shadows
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NTFS locate and read $MFT from RAW

I'm currently trying to programmatically parse the MFT of my hard drive from it's raw data in order to enumerate all files with a specific extension (in a really short time). I'm following that tutorial to guide myself: A Programmers View of Raw…
Aleister Crowley
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How to access the file pointer of each blocks of a file from the $MFT file in NTFS?

I am working on file virtualization and versioning project. For that, I need to access the logical blocks of file contents directly without copying into memory. Anyone could you help me with code snippets that works on my 64 bit windows? I tried…
Loghi Perinpanayagam
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Enumerate all partitions and test if they are NTFS

I'm using: DWORD d = GetLogicalDrives(); for (int i = 0; i < 26; i++) { if ((1 << i) & d) // drive letter 'A' + i present on computer { wstring s = std::wstring(L"\\\\.\\") + wchar_t('A' + i) + L":"; PARTITION_INFORMATION…
Basj
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Bad $FILE_NAME entries in $MFT on NTFS disk

I have some code which is parsing the $MFT on an NTFS disk. All works perfectly, except that a handful of records (roughly 10 out of 60000) return incorrect characters in the file name. See the screenshot below: Note the Unicode character defined…
GoldieLocks
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MFT File entry having multiple Filename attributes and a Reparse point

I am reading MFT Entries of NTFS file system. I know that MFT can have multiple FileName attributes, which are created when we create hard links. I know that Junctions/Symbolic links can be created for directories. Junction / Symbolic link are…
balajir712
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