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(@armresl)
Noble Member
Joined: 21 years ago
Posts: 1011
 

I wont go into great detail, but the reason I asked is that I have run into a lot of investigators who do searches for the most common of a particular product, i.e. (defrag) diskkeeper, perfect disk, OO, etc. and if they don't see those names then they move on.

The time isn't invested into logs, rp, reg, or lesser known names to see if those are present.

I've been in a conference room where someone exported an S key and did a quick look and then told counsel, nope that software was never installed.


   
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(@jonathan)
Prominent Member
Joined: 20 years ago
Posts: 878
 

And the operating system is…? Windows Vista and 7 for example defrag by default on a regular basis. Extract the event logs and analyse 'em for the answer. Google will help with Event IDs, etc.


   
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(@douglasbrush)
Prominent Member
Joined: 16 years ago
Posts: 812
 

Have you investigated the various Windows artifacts of the scheduled tasks?


   
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(@twjolson)
Honorable Member
Joined: 17 years ago
Posts: 417
 

I am still new, but did you check prefetch? Whether defrag was ran by the user or as part of the prefetch process, those exe's should be listed.

It should be listed in the registry as well, I would imagine.


   
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klc1977
(@klc1977)
Active Member
Joined: 15 years ago
Posts: 13
Topic starter  

Yes the areas that everyone has mentioned has been looked into and screens shots were taken for visual reference for counsel on both sides. The OS is windows XP SP 2003.


   
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(@douglasbrush)
Prominent Member
Joined: 16 years ago
Posts: 812
 

What specific scheduled task items & artifacts did you look for?


   
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klc1977
(@klc1977)
Active Member
Joined: 15 years ago
Posts: 13
Topic starter  

Mr. Brush, due to the litigation sealed order, I can't really say what specific programs, items or artifacts I'm searching for. I don't know why this is the way it is, it makes research and using comparable statements almost impossible to find or use. In a generalized area, what are your recommendations?


   
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(@douglasbrush)
Prominent Member
Joined: 16 years ago
Posts: 812
 

Ahhh. Gotcha. Have a few of those going myself 😉

Task Scheduler log
%SYSTEMDRVE%\WINDOWS\SchedLgU.txt

Task Scheduler
%SYSTEMDRVE%\WINDOWS\Tasks

Task Item extensions
*.job

UA Reg Keys….

Now that I remember SANS had some good info as well
http//blogs.sans.org/computer-forensics/2009/08/05/de-mystifying-defrag-identifying-when-defrag-has-been-used-for-anti-forensics-part-1-windows-xp/


   
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(@cults14)
Reputable Member
Joined: 17 years ago
Posts: 367
 

Now that I remember SANS had some good info as well
http//blogs.sans.org/computer-forensics/2009/08/05/de-mystifying-defrag-identifying-when-defrag-has-been-used-for-anti-forensics-part-1-windows-xp/

Cool!! Thanks, excellent link clarifying the position. Good to see that the article also says at the end that we can't say why something was done, only that it WAS done.

Remember also that even the evidence we could gather using the advice in this article still doesn't prove that a particular person carried out the action, only that someone logged on as that user did. Corroboration is still required e.g. building security, witness statements etc


   
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