What tools are out there to modify security and event logs on Windows 2003 and Windows 2008

Hi ,

Is it possible for someone to modify the security logs on Windows 2003 and 2008 ?
What are the tools he could use ?

thanks
c_hocklandAsked:
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McKnifeCommented:
Your question needs to be clarified. Are you seeking info about possible attack vectors? Some attacker trying to delete traces?

You cannot modify log files while the eventlog service is running - it won't let you. And offline attacks are quite complicated, too.

But first clarify.
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c_hocklandAuthor Commented:
yes , is it possible for someone to turn off the service and modify entries on the event logs ?   for example edit a user name that accessed the server ?  ( referring to possible attack vectors)
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McKnifeCommented:
I must confess, I have not worried about this too much.
But I found out: If you try to edit the eventlog file offline, the system declares it as corrupted (I just changed one single letter of a username) and creates a new, empty file. The old one remains with extension .corrupted.evtx
If, when online, you try to stop that service, it immediately restarts and there is no chance to exchange the file, at least not on my test machine with win8.1
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