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69 lines
3.3 KiB
Markdown
69 lines
3.3 KiB
Markdown
---
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title: Microsoft Office OEM
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layout: default
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created: 2009-03-30 12:26:11 +0200
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updated: 2009-03-30 12:26:11 +0200
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toc: false
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tags:
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- know-how
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- software
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- microsoft
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- office
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---
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Install Fujitsu-Siemens version
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===============================
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If you want to install a *Microsoft Office* and you happen to only have an OEM version from Fujitsu-Siemens, you'll
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notice that it refuses to install on any Non-FSC-PC. But after some peeking around on the CD, you'll find a
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suspiciously large file `Install\OFF_FSC.EXE` with around 250 MiB.
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Taking a look at it reveals something strange:
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~~~
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00000000 47 4F 4E 49 │ C3 91 0E 8A │ 69 A9 79 79 │ 5C 36 B8 1E GONIÃ...i©yy\6¸.
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00000010 74 B0 52 C4 │ 64 20 8C C5 │ 13 A0 99 10 │ 27 7B 2E 27 t°RÄd .Å. ..'{.'
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00000020 6D 87 BF 73 │ 04 8A AC 32 │ 0A 84 03 A9 │ 46 98 BE 71 m.¿s..¬2...©F.¾q
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00000030 AC 61 32 5E │ BE 07 4C C8 │ B0 C1 95 92 │ 60 0B 08 4C ¬a2^¾.LÈ°Á..`..L
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00000040 1B 5F A5 15 │ C3 23 45 C4 │ 3F 63 78 9E │ 4C 12 8E 06 ._¥.Ã#EÄ?cx.L...
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~~~
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This doesn't look like a normal `EXE` file, it's missing the typical `MZ` header. Also the following data looks
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encrypted, i.e. somewhat random.
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Somewhat below you'll find some strings which have to do with unpacking - so the file seems to be a crypted
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self-extracting archive.
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Going several pages further down, you'll find something familiar:
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~~~
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00009FE0 00 00 00 00 │ 00 00 00 00 │ 00 00 00 00 │ 00 00 00 00 ................
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00009FF0 00 00 00 00 │ 00 00 00 00 │ 00 00 00 00 │ 00 00 00 00 ................
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0000A000 4D 53 43 46 │ 00 00 00 00 │ 12 91 43 0E │ 00 00 00 00 MSCF......C.....
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0000A010 2C 00 00 00 │ 00 00 00 00 │ 03 01 01 00 │ 7E 00 00 00 ,...........~...
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0000A020 00 00 00 00 │ 5D 11 00 00 │ 5D 1D 01 00 │ C1 00 00 00 ....]...]...Á...
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0000A030 00 00 00 00 │ 00 00 0F 2F │ 2F 79 03 00 │ 41 55 54 4F .......//y..AUTO
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0000A040 52 55 4E 2E │ 49 4E 46 00 │ 31 A8 19 00 │ C1 00 00 00 RUN.INF.1¨..Á...
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0000A050 00 00 0F 2F │ BA 58 03 00 │ 43 43 35 36 │ 31 34 30 31 .../ºX..CC561401
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0000A060 2E 43 41 42 │ 00 3A F1 04 │ 00 F2 A8 19 │ 00 00 00 0F .CAB.:ñ..ò¨.....
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0000A070 2F BC 58 03 │ 00 43 44 35 │ 36 31 34 30 │ 31 2E 43 41 /¼X..CD561401.CA
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0000A080 42 00 F3 99 │ 1F 00 2C 9A │ 1E 00 00 00 │ 0F 2F C6 58 B.ó...,....../ÆX
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0000A090 03 00 43 46 │ 35 36 31 34 │ 30 31 2E 43 │ 41 42 00 C3 ..CF561401.CAB.Ã
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0000A0A0 C6 0A 00 1F │ 34 3E 00 00 │ 00 0F 2F CA │ 58 03 00 43 Æ...4>..../ÊX..C
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0000A0B0 4C 35 36 31 │ 34 30 31 2E │ 43 41 42 00 │ 9C CC 12 00 L561401.CAB..Ì..
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~~~
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`MSCF` stands for *MicroSoft Cabinet File*. It's a header for the standard `CAB` archives used to distribute software.
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The `AUTORUN.INF`, `CC561401.CAB`, etc. are also a clear sign that this seems to be the index of the archive. The
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letters `MSCF` are mentioned several times before this location but there was no file index near them. This one here is
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clearly a standard CAB file.
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So now take your favorite Hex-Editor and cut everything up to the `MSCF` header. The new file has to begin with `MSCF`.
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Rename it to something `.cab` and use your favorite archiving tool to unpack it. Et voilà!
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*[OEM]: Original Equipment Manufacturer
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*[CD]: Compact Disc
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*[MZ]: Mark Zbikowski
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*[CAB]: Cabinet
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