Jump to content

Search the Community

Showing results for tags 'forensics'.

  • Search By Tags

    Type tags separated by commas.
  • Search By Author

Content Type


Forums

  • General
    • Announcements and Site News
    • Administration
  • AutoIt v3
    • AutoIt Help and Support
    • AutoIt Technical Discussion
    • AutoIt Example Scripts
  • Scripting and Development
    • Developer General Discussion
    • Language Specific Discussion
  • IT Administration
    • Operating System Deployment
    • Windows Client
    • Windows Server
    • Office

Categories

  • AutoIt Team
    • Beta
    • MVP
  • AutoIt
    • Automation
    • Databases and web connections
    • Data compression
    • Encryption and hash
    • Games
    • GUI Additions
    • Hardware
    • Information gathering
    • Internet protocol suite
    • Maths
    • Media
    • PDF
    • Security
    • Social Media and other Website API
    • Windows
  • Scripting and Development
  • IT Administration
    • Operating System Deployment
    • Windows Client
    • Windows Server
    • Office

Find results in...

Find results that contain...


Date Created

  • Start

    End


Last Updated

  • Start

    End


Filter by number of...

Joined

  • Start

    End


Group


Member Title


Location


WWW


Interests

Found 1 result

  1. Here is a preliminary Shellbag parser for desktop icons I used information found at http://www.williballenthin.com/forensics/shellbags/, http://forensicswiki.org/wiki/Shell_Item#Format, and https://github.com/libyal/libfwsi/blob/master/documentation/Windows%20Shell%20Item%20format.asciidoc So far This only works with the desktop ShItem Specs although, I admit this is the only one I tried it with. The code makes a file called data.txt containing the data from the registry key and a file with the name 'RegKeyValNameXXXXxyyyy'_FileData for each ItemPos Value found The Information is returned in an INI file With [SHITEM#] as the section name This Code is not commented very well yet nor is it a final version Please let me know what kind of errors you find and Post the improvements you make. Sample Entry For Computer: [SHITEM0] FileStart= 0x0000000000000010 FileEnd= 0x000000000000002C RecordLen= 28 FilePtr= 16 SHIconX= 36 SHIconY= -1 Size= 20 Flags= 501F GUID= 20D04FE0-3AEA-1069-A2D8-08002B30309D Shortname= Computer Longname= Computer Sample Entry for Google Chrome [SHITEM3] FileStart= 0x00000000000000C4 FileEnd= 0x000000000000013A RecordLen= 118 FilePtr= 196 SHIconX= 36 SHIconY= 368 Size= 108 Flags= 003A FileSize= 2193 ModifiedDate= 02/19/2016 ModifiedTime= 22:56.10 FileAttribs= 8224 Shortname= GOOGLE~1.LNK ExtSize= 80 ExtVer= 8 ExtSIG= 0xBEEF0004 CreatedDate= 09/26/2014 CreatedTime= 03:09.38 AccessDate= 09/26/2014 AccessTime= 03:09.38 Unknown2= 42 64FileRef= 000300000000F689 Unknown3= 0 LongNameSize= 0 Unknown4= 0 LongName= Google Chrome.lnk LongNameAddl= Unknown5= 0024001C The Code #include <WinAPIFiles.au3> ;FileOpen Opt("MustDeclareVars", 1) Local $sSubKey = "" Local $aRegKeys[30] Local $iRegCount = 0 For $i = 1 To 30 $sSubKey = RegEnumVal("HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\Bags\1\Desktop\", $i) If @error = -1 Then ExitLoop If StringInStr($sSubKey, "ItemPos", 0) Then $aRegKeys[$iRegCount + 1] = $sSubKey $iRegCount += 1 EndIf Next $aRegKeys[0] = $iRegCount Local $sFilePath = "" Local $PathResultsIni = "" Local $sRegEntry = "" For $i = 1 To $aRegKeys[0] $sSubKey = $aRegKeys[$i] $sRegEntry = RegRead("HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\Bags\1\Desktop", $sSubKey) If Not (@extended = 3) Then MsgBox(0, "Incorrect Key Type", $sSubKey & @CRLF & "Key Not REG_BINARY ") ;Const $REG_BINARY = 3 EndIf If Not (StringLeft($sRegEntry, 34) = "0x00000000000000000000000000000000") Then MsgBox(0, "Incorrect File Header", $sSubKey & @CRLF & "Header does not match ShItem Header " & @CRLF & StringLeft($sRegEntry, 32) & @CRLF & "0x00000000000000000000000000000000") EndIf $sFilePath = @ScriptDir & "\RegData.txt" $PathResultsIni = @ScriptDir & "\" & $sSubKey & "_" & "FileData.Ini" FileDelete($PathResultsIni) FileDelete($sFilePath) If Not FileWrite($sFilePath, $sRegEntry) Then ; Create a file to read data from. MsgBox("0", @ScriptName, "An error occurred while writing the temporary data file.") EndIf $sRegEntry = "" $iRegCount = ParseSH_ItemToIni($sFilePath, $PathResultsIni) $aRegKeys[$i] = $iRegCount & " Entries saved to:" & @CRLF & $PathResultsIni Next $sSubKey = "" For $i = 1 To $aRegKeys[0] $sSubKey &= $aRegKeys[$i] & @CRLF Next MsgBox(0, @ScriptName & " Finished Parsing", $sSubKey) ;------------------------------------------------------------------- Func ParseSH_ItemToIni($sFilePath, $PathResultsIni) Local Const $hFile = FileOpen($sFilePath, $FO_BINARY + $FO_FULLFILE_DETECT) Local $iFilePos0 = 0 ;File Pointer FileSetPos($hFile, 0, 2) Local $iFileLast = FileGetPos($hFile) ;End Of File FileSetPos($hFile, $iFilePos0, 0) Local $iFileStart = 0, $FileEnd = 0, $iRecordStart = 0, $iRecordNumber = 0, $iRecordEnd Local $iSHIconX = 0, $iSHIconY = 0 Local $iSize = 0, $iFlags = 0, $iSortOrderIndex = 0 ;added Local $sGUID = 0 Local $iFileSize = 0 Local $sModDate = "", $sModTime = "" Local $iFileAttribs = 0 Local $sShortname = "" Local $iExtSize = 0, $iExtVer = 0 Local $iExtSig = 0 Local $iUnknown0 = 0, $iUnknown1 = 0 Local $sCreDate = 0, $sCreTime = 0 Local $sAccDate = 0, $sAccTime = 0 Local $iUnknown2 = 0 Local $i64FileRef = 0 Local $iUnknown3 = 0 Local $iLongNameSize = 0 Local $iUnknown4 = 0 Local $sLongName = "", $sLongNameAddl = "" Local $iUnknown5 = 0 For $iPos = 0 To $iFileLast - 2 ;Step 2 Removed causes the loss of the last item ;Set all fields to default Values $iFileStart = 0 $FileEnd = 0 $iRecordStart = 0 $iSHIconX = 0 $iSHIconY = 0 $iSize = 0 $iFlags = 0 $iSortOrderIndex = 0 ;added $sGUID = 0 $iFileSize = 0 $sModDate = "" $sModTime = "" $iFileAttribs = 0 $sShortname = "" $iExtSize = 0 $iExtVer = 0 $iExtSig = 0 $sCreDate = 0 $sCreTime = 0 $sAccDate = 0 $sAccTime = 0 $iUnknown2 = 0 $i64FileRef = 0 $iUnknown3 = 0 $iLongNameSize = 0 $iUnknown4 = 0 $sLongName = "" $sLongNameAddl = "" $iUnknown5 = 0 ;$iUnknown0 = 0 Replaced By $iExtSig ;$iUnknown1 = 0 Replaced By $iExtSig $iFileStart = FileGetPos($hFile) $iSHIconX = ReadRegHexStringValue($hFile, 32, "INT") $iSHIconY = ReadRegHexStringValue($hFile, 32, "INT") $iRecordStart = FileGetPos($hFile) $iSize = ReadRegHexStringValue($hFile, 16, "INT") $iFlags = ReadRegHexStringValue($hFile, 8, "INT") ;16 changed to 8 $iSortOrderIndex = ReadRegHexStringValue($hFile, 8, "INT") ;Added If $iSize <= 21 Then If Not (BitAND($iFlags, 0x00FF) = 0x1F) Then $iFilePos0 += 2 FileSetPos($hFile, $iFilePos0, 0) ContinueLoop ElseIf $iSize > 15 And $iSortOrderIndex > 0 Then $sGUID = ReadRegHexStringValue($hFile, 128, "GUID") $sShortname = RegRead("HKEY_CLASSES_ROOT\CLSID\{" & $sGUID & "}", "") If Not (@error) Then $iRecordEnd = FileGetPos($hFile) ConsoleWrite(@CRLF & "[SHITEM" & $iRecordNumber & "] " & $sShortname & ":" & $iExtSig & ",") FileWrite($PathResultsIni, _ @CRLF & "[SHITEM" & $iRecordNumber & "]" & _ @CRLF & "FileStart= 0x" & Hex($iFileStart, 16) & _ @CRLF & "FileEnd= 0x" & Hex($iRecordEnd, 16) & _ @CRLF & "RecordLen= " & ($iRecordEnd - $iFileStart) & _ @CRLF & "FilePtr= " & ($iFilePos0) & _ ; the second part of FilePtr is SortOrderIndex @CRLF & "SHIconX= " & $iSHIconX & _ @CRLF & "SHIconY= " & $iSHIconY & _ @CRLF & "Size= " & $iSize & _ @CRLF & "Flags= " & Hex($iFlags, 2) & _ @CRLF & "SortOrderIndex= " & $iSortOrderIndex & _ @CRLF & "GUID= " & $sGUID & _ @CRLF & "Shortname= " & $sShortname & _ @CRLF & "Longname= " & $sShortname & @CRLF & @CRLF) $iRecordNumber += 1 $iFilePos0 = FileGetPos($hFile) Else $iFilePos0 += 2 FileSetPos($hFile, $iFilePos0, 0) MsgBox(0, "INVALID GUID", "Invalid GUID encountered", 10) EndIf ContinueLoop EndIf EndIf $iFileSize = ReadRegHexStringValue($hFile, 32, "INT") $sModDate = ReadRegHexStringValue($hFile, 16, "DOSDATE") $sModTime = ReadRegHexStringValue($hFile, 16, "DOSTIME") $iFileAttribs = ReadRegHexStringValue($hFile, 16, "INT") $sShortname = ReadRegHexStringValue($hFile, $iSize, "String") $iExtSize = ReadRegHexStringValue($hFile, 16, "INT") $iExtVer = ReadRegHexStringValue($hFile, 16, "INT") $iExtSig = "0x" & Hex(ReadRegHexStringValue($hFile, 32, "INT")) ;msgbox(0,"",$iExtSig & " " & HEX(BitAND($iExtSig, 0xFFFF0000))) If ($iSize <= 21 Or Not (BitAND($iExtSig, 0xFFFF0000) = 0xBEEF0000) Or Not (BitAND($iFlags, 0x70)) = 0x30) Then $iFilePos0 += 2 FileSetPos($hFile, $iFilePos0, 0) ContinueLoop EndIf ;FileRead($hFile,2) If $iExtVer >= 0x0003 Then ;$iUnknown0 = ReadRegHexStringValue($hFile, 16, "INT") Replaced By $iExtSig ;$iUnknown1 = ReadRegHexStringValue($hFile, 16, "INT") Replaced By $iExtSig $sCreDate = ReadRegHexStringValue($hFile, 16, "DOSDATE") $sCreTime = ReadRegHexStringValue($hFile, 16, "DOSTIME") $sAccDate = ReadRegHexStringValue($hFile, 16, "DOSDATE") $sAccTime = ReadRegHexStringValue($hFile, 16, "DOSTIME") $iUnknown2 = ReadRegHexStringValue($hFile, 32, "INT") EndIf If $iExtVer >= 0x0007 Then $i64FileRef = Hex(ReadRegHexStringValue($hFile, 64, "INT"), 16) $iUnknown3 = ReadRegHexStringValue($hFile, 64, "INT") $iLongNameSize = ReadRegHexStringValue($hFile, 16, "INT") If $iExtVer <= 0x0008 Then ;Changed to <= from >= Not working right otherwise $iUnknown4 = ReadRegHexStringValue($hFile, 32, "INT") EndIf $sLongName = ReadRegHexStringValue($hFile, 0, "WSTRING") If $iLongNameSize > 0 Then ;MsgBox(0, "$iLongNameSize", $iLongNameSize) $sLongNameAddl = ReadRegHexStringValue($hFile, $iLongNameSize + 2, "WString") EndIf ElseIf $iExtVer >= 0x0003 Then $iUnknown5 = ReadRegHexStringValue($hFile, 16, "INT") EndIf $iUnknown5 = ReadRegHexStringValue($hFile, 32, "HEX") $iRecordEnd = FileGetPos($hFile) If Not (($iRecordEnd - $iRecordStart) = ($iSize + 2)) Then $iFilePos0 += 2 FileSetPos($hFile, $iFilePos0, 0) ContinueLoop ElseIf ($iFilePos0 > $iFileLast - 4) Then ExitLoop ElseIf $iSize < $iFileLast Then ConsoleWrite(@CRLF & "[SHITEM" & $iRecordNumber & "] " & $sLongName & ":" & $iExtSig & ",") EndIf FileWrite($PathResultsIni, _ @CRLF & "[SHITEM" & $iRecordNumber & "]" & _ @CRLF & "FileStart= 0x" & Hex($iFileStart, 16) & @CRLF & "FileEnd= 0x" & Hex($iRecordEnd, 16) & _ @CRLF & "RecordLen= " & ($iRecordEnd - $iFileStart) & _ @CRLF & "FilePtr= " & ($iFilePos0) & _ @CRLF & "SHIconX= " & $iSHIconX & @CRLF & "SHIconY= " & $iSHIconY & _ @CRLF & "Size= " & $iSize & _ @CRLF & "Flags= " & Hex($iFlags, 2) & _ @CRLF & "SortOrderIndex= " & $iSortOrderIndex & _ ;added @CRLF & "FileSize= " & $iFileSize & _ @CRLF & "ModifiedDate= " & $sModDate & @CRLF & "ModifiedTime= " & $sModTime & _ @CRLF & "FileAttribs= " & $iFileAttribs & _ @CRLF & "Shortname= " & $sShortname & _ @CRLF & "ExtSize= " & $iExtSize & _ @CRLF & "ExtVer= " & $iExtVer & _ @CRLF & "ExtSIG= " & ($iExtSig) & _ @CRLF & "CreatedDate= " & $sCreDate & @CRLF & "CreatedTime= " & $sCreTime & _ @CRLF & "AccessDate= " & $sAccDate & @CRLF & "AccessTime= " & $sAccTime & _ @CRLF & "Unknown2= " & $iUnknown2 & _ @CRLF & "64FileRef= " & $i64FileRef & _ @CRLF & "Unknown3= " & $iUnknown3 & _ @CRLF & "LongNameSize= " & $iLongNameSize & _ @CRLF & "Unknown4= " & $iUnknown4 & _ @CRLF & "LongName= " & $sLongName & _ @CRLF & "LongNameAddl= " & $sLongNameAddl & _ @CRLF & "Unknown5= " & $iUnknown5 & @CRLF & @CRLF) ;@CRLF & "Unknown0= " & $iUnknown0 & _;@CRLF & "Unknown1= " & $iUnknown1 & _ (Replaced By $iExtSig) $iRecordNumber += 1 Next FileClose($hFile) Return $iRecordNumber EndFunc ;==>ParseSH_ItemToIni Func ReadRegHexStringValue(Const $hFile, $iLength, $sType) $sType = StringUpper($sType) Local $sData = "" If Not ($sType = "WSTRING" Or $sType = "STRING" Or $sType = "GUID") Then $iLength /= 8 $sData = FileRead($hFile, $iLength) EndIf Local $vReturn = "" Local $iCount = 0 Local $aTemp, $iTemp, $sTemp Switch $sType Case "STRING" $vReturn = "" For $i = 0 To 260 ;$iFilePos += 8 $sData = FileRead($hFile, 1) If $sData = Chr(00) Then If Not (FileRead($hFile, 1) = Chr(00)) Then FileSetPos($hFile, FileGetPos($hFile) - 1, 0) ;Sometimes Double Null Terminated ExitLoop EndIf $vReturn &= BinaryToString($sData) Next Case "WSTRING" $vReturn = "" For $i = 0 To 260 $sData = FileRead($hFile, 2) If $sData = Chr(00) & Chr(00) Then ExitLoop $vReturn &= BinaryToString($sData, $SB_UTF16LE) Next $aTemp = 0 Case "INT" $vReturn = Int($sData) Case "DOSDATE" $vReturn &= StringFormat("%02d/%02d/%04d", BitShift(BitAND($sData, 0x01e0), 5), BitAND($sData, 0x1F), BitShift($sData, 9) + 1980) Case "DOSTIME" ;UTC $vReturn &= StringFormat("%02d:%02d.%02d", BitShift($sData, 11), BitShift(BitAND($sData, 0x07e0), 5), BitAND($sData, 0x1F) * 2) Case "HEX" $vReturn = Hex(Int($sData), $iLength * 2) Case "HEXSTR" $vReturn = Hex($sData, $iLength * 2) Case "GUID" If $iLength = 128 Then $sData = FileRead($hFile, 4) $vReturn = Hex(Int($sData), 8) & "-" $sData = FileRead($hFile, 2) $vReturn &= Hex(Int($sData), 4) & "-" $sData = FileRead($hFile, 2) $vReturn &= Hex(Int($sData), 4) & "-" $sData = FileRead($hFile, 2) $vReturn &= Hex($sData, 2) & "-" $sData = FileRead($hFile, 6) $vReturn &= Hex($sData, 4) Else $vReturn = 0 EndIf #cs ;Old "GUID" ;= Hex(ReadRegHexStringValue($hFile, 32, "INT"), 8) & "-" & _ ;Hex(ReadRegHexStringValue($hFile, 16, "INT"), 4) & "-" & _ ;Hex(ReadRegHexStringValue($hFile, 16, "INT"), 4) & "-" & _ ;ReadRegHexStringValue($hFile, 16, "Hex") & "-" & _ ;ReadRegHexStringValue($hFile, 48, "HEX") #CE Case Else MsgBox(0, "ReadRegHexStringValue Error", "Datatype " & $sType & " not found.") EndSwitch Return $vReturn EndFunc ;==>ReadRegHexStringValue
×
×
  • Create New...