Didier Stevens

Thursday 5 May 2022

Update: oledump.py Version 0.0.66

Filed under: My Software,Update — Didier Stevens @ 16:56

This new version of oledump.py brings some fixes and an update to plugin plugin_vbaproject to decode and display the password for plaintext passwords:

oledump_V0_0_66.zip (http)
MD5: 20D89F0477ED7B533C2B0C6D27EC4255
SHA256: F67051EF2FA3FD42206C5ADFAC807C94ECD5F7F0F6427433B366217F675D3195

Friday 29 April 2022

Update: oledump.py Version 0.0.65

Filed under: My Software,Update — Didier Stevens @ 9:05

This new version of oledump.py brings a new plugin (plugin_metadata) and Python 3 fixes for 2 plugins (plugin_msi and plugin_ppt).

The new plugin is actually an old unpublished plugin, that I updated recently.

This plugin parses Office document metadata as defined in document [MS-OLEPS].

I started to write this in 2015 to parse the metadata of Word documents, but soon I figured out that this functionality was already present in olefile, and I introduced option -M to call this functionality.

But recently, I had to parse metadata that isn’t (yet) parsed by olefile, so I updated and released plugin_metadata.

oledump_V0_0_65.zip (http)
MD5: 319894D211E0C6F41DCEBD5DBBBE3D33
SHA256: 35786C01AC74BE8604E96B528B7EB8EEFBB0D63407D3C78CC31D058528EF20D7

Saturday 23 April 2022

Update: re-search.py Version 0.0.19

Filed under: My Software,Update — Didier Stevens @ 8:47

This is a Python3 stdin fix for re-search.py, my tool to search with regular expressions.

re-search_V0_0_19.zip (http)
MD5: 4007A3E5540871221B55591B50E2239B
SHA256: 263236ABE75B93F1F999474D690A9EB2575EBE42CED8F369FF98B349A5116D11

Monday 18 April 2022

New Tool: pngdump.py (Beta)

Filed under: Announcement,My Software — Didier Stevens @ 7:11

Here is a new tool I’m releasing as beta: pngdump.py.

It’s a tool to analyze PNG files. Unlike jpegdump, you can not yet select items for further analysis.

Sunday 17 April 2022

Update: 1768.py Version 0.0.13

Filed under: My Software,Update — Didier Stevens @ 15:51

This new version of 1768.py brings option -H to include file hashes, introduces shellcode type detection and has updated statistics.

1768_v0_0_13.zip (http)
MD5: F7E85586045AA76C573E010E6FF5F701
SHA256: 33B43A5AB059556C17083E824D407891CD14544B5CA416223020076C5878D310

Saturday 16 April 2022

Update: cut-bytes.py Version 0.0.14

Filed under: My Software,Update — Didier Stevens @ 8:10

This new version of cut-bytes.py adds access to the read data for Python expressions in prefix and suffix options.

cut-bytes_V0_0_14.zip (http)
MD5: EC3434DAAEE06C6F35BD57B77F86833F
SHA256: BCCCE7A73C921BD2CC195155A3A709FBAD7ADC0A267288A4F7F58695A2F103D1

Saturday 9 April 2022

New Tool: myjson-filter.py

Filed under: Announcement,My Software — Didier Stevens @ 8:50

A couple of my tools can produce JSON output, using my own format (myjson).

This output can then be piped into another tool, like strings.py or file-magic.py.

I’m now releasing a tool that can be put into a command pipe to filter the JSON data: myjson-filter.py

For example, here I use myjson-filter.py to remove all items that are XML files (based on the content: starting with <?xml) before strings are extracted with strings.py:

More info in this ISC diary entry I wrote: “Method For String Extraction Filtering“.

myjson-filter_V0_0_2.zip (http)
MD5: 15DDC15DE65F447CE6DA94F8B34C5066
SHA256: EB330FE49421A13A8743F18064788DC2E8189A9B63FD19D517F0B830D1569321

Wednesday 30 March 2022

New Tool: xlsbdump.py

Filed under: My Software — Didier Stevens @ 0:00

This is a new tool to parse XLSB files.

It is still in beta.

Tuesday 29 March 2022

Update: oledump.py Version 0.0.64

Filed under: My Software,Update — Didier Stevens @ 7:22

This new version of oledump brings option -u. This option is used to look for data past the end of the streams.

oledump_V0_0_64.zip (http)
MD5: D2FE33398A2BA85A760518972C0207D3
SHA256: C44F11D31CDCFDE0E7207363A9F35ED07A98A69A4A4228A8CA49292BA8EE9683

Saturday 26 February 2022

Update: 1768.py Version 0.0.12

Filed under: My Software,Update — Didier Stevens @ 9:16

I included a new Cobalt Strike 4.5 private key in this released, shared with me by a user.

Further, ZIP files with AES encryption are supported. And a few other bug fixes

1768_v0_0_12b.zip (https)
MD5: C1675CD1CD5E817BDBC4B10D8850D6DD
SHA256: 0694F52EFA2332E8FCFFA739AD123ABF4A75F20ACB5DE3174376FE5D816DE071
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