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Convert SID to HEX

Posted on 2006-07-17
Medium Priority
Last Modified: 2011-09-30

I have a SID that I want to convert to Hex.
I found the following script on the web but it isnt' working.

Set oConvert = CreateObject("ADs.ArrayConvert")
strHexSid = oConvert.CvOctetStr2vHexStr(objSid)

WScript.Echo strhexsid

When I execute the above script I receive error box.
Script:    C:\sidtohex.vbs
Line:       3
Char:      1
Error:     ActiveX component can't vreate object: 'ADs.ArrayConvert'
Code:     800A01AD
Source:  Microsoft VBScript runtime error

If anyone could let me know what I'm doing wrong or if any dlls need to be registered or what ever I need to do I'd appreciate is.

Or if you could tell me how to pull a users SID in an NT4 domain in a Hex format that will work as well.
Question by:Yohaheho
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LVL 34

Expert Comment

ID: 17126810
From the looks of things, you need to install this from MS:

SAMPLE: ARRAYCONVERT.EXE Variant Conversion Functions

Author Comment

ID: 17126999
I placed the files in the system32 directory and I registered ADs.dll
I now get the following error.

Script:    C:\sidtohex.vbs
Line:       5
Char:      1
Error:     Type mismatch
Code:     800A000D
Source:  ADs

Author Comment

ID: 17127058
Actually if I can pull the SID from an NT4 domain in Binary, Decimal or Hex.
Or convert a SID S-1-5-21-603733758-2039161187-5522801-19473 to Binary, Decimal or Hex
That would solve the problem.
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LVL 10

Expert Comment

ID: 17127654

this was a site i used to convert an old SID to Decimal

Author Comment

ID: 17127732
Sakuya su,
I found that site but was unable to make heads or tails of it.
If you post the script you used I can place my own SID in it and run it.

Expert Comment

ID: 17127899
have you included that ADs.dll to your project in references(library reference)?
If not try to include it through menu Project->References.

Author Comment

ID: 17128067
I should have listed in the beginning that I not a programmer.
I'm not sure what you mean by Project->References.
The above lines of code are all that exist in the .vbs
There is no larger program that this is a piece of.
I registered the ADs.dll from the system32 directory.
All I need is for this to convert the SID to either Binary, Decimal or Hex.
Or pull the SID from an NT4 domain in Binary, Decimal or Hex.
LVL 10

Expert Comment

ID: 17128154
yous SID in the xample come out as:

in Hex

If you want please let me know your email and I'll give you the Converter I made, which converts string to Hex, it can be modded to do the otherway round too and maybe to add Endian Format, its from the code I showed oyu in the ealier post

Author Comment

ID: 17128582
Sakuya su,
That sounds great. Please email it to:
I'm not at work now but will try it tomorrow then award the points.
LVL 10

Accepted Solution

sakuya_su earned 2000 total points
ID: 17128959
ill email u tomorrow night i am not at the computer atm.
LVL 14

Expert Comment

ID: 17140564
Do you want a string value that contains the Hex representation of a SID, or an actual number variable in your VB program?  SIDs are quite large in memory, and VB doesn't handle numbers larger than 32 bit signed.

If you just want a string, that's pretty straightforward.  Since Sakuya's going to email you a solution, I won't spend time on writing one right now.  I only have a function to convert in the other direction handy (from Hex to SDDL).  For giggles, I'll post that one:

Function HexStrToSDDL(strSid)
  ' Function to convert hex Sid to decimal (SDDL) Sid.
  Dim arrbytSid, lngTemp, i, j, nSubDWords
  Dim nLowIndex, nHighIndex
  ReDim arrbytSid(Len(strSid) / 2 - 1)
  For j = 0 To UBound(arrbytSid)
    arrbytSid(j) = CInt("&H" & Mid(strSid, 2 * j + 1, 2))
  ' Read revision, authority identifier, and number of subauthority identifier DWORDs
  nSubDWords = arrbytSid(1)
  lngTemp = arrbytSid(2)
  lngTemp = lngTemp * 256 + arrbytSid(3)
  lngTemp = lngTemp * 256 + arrbytSid(4)
  lngTemp = lngTemp * 256 + arrbytSid(5)
  lngTemp = lngTemp * 256 + arrbytSid(6)
  lngTemp = lngTemp * 256 + arrbytSid(7)
  HexStrToSDDL = "S-" & CStr(arrbytSid(0)) & "-" & CStr(lngTemp)
  ' Read subauthority values (little-endian DWORDs)
  For i = 0 To (nSubDWords - 1)
    nLowIndex = (4 * i) + 8
    nHighIndex = nLowIndex + 3
    If (nHighIndex > UBound(arrbytSid)) Then nHighIndex = UBound(arrbytSid)
    lngTemp = 0
    For j = nHighIndex To nLowIndex Step -1
      lngTemp = lngTemp * 256 + arrbytSid(j)
    HexStrToSDDL = HexStrToSDDL & "-" & CStr(lngTemp)
End Function

Author Comment

ID: 17142002

Works like a champ.

Thanks a lot
LVL 10

Expert Comment

ID: 17143283
no problem, if you ever want the source code let me know

Expert Comment

ID: 22044415
Sakuya Su,

Could you please send me the source code for the script that will convert a SID to hex format?
Please email it to me at david@txsys.com

LVL 10

Expert Comment

ID: 22044988
Sadly I no longer have the original source, it was done overnight and the HDD corrupted about 3 or 4 months ago

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