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Caller Logon ID

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Subject Author Date
Caller Logon ID r. wales 04-03-2006
Posted by r. wales on April 3, 2006, 2:39 pm
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I have several events that are being logged with caller logon id:
(0x0,0x3E7). Target accounts are ususally <computername>$ and the caller
user name is <servername>$. Who or what does (0x0,0x3E7) specify?

[AD domain, win 2003 standard, xp clients]

One of these events was a 'computer account change' that occured at 9:21 am
Sunday morning (no one in the building). The only thing it lists is a value
for "password last set". Could this indicate intrusion?

Posted by Steven L Umbach on April 3, 2006, 11:40 pm
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Most likely it means that the computer account password was changed which is
done periodically and automatically - around every thirty days I believe if
a domain controller can be contacted. I would not worry about it. Intrusions
are more evidence by password failures particularly for administrator
account. You might find the link below helpful. --- Steve

http://www.microsoft.com/technet/security/topics/auditingandmonitoring/securitymonitoring/default.mspx

>I have several events that are being logged with caller logon id:
> (0x0,0x3E7). Target accounts are ususally <computername>$ and the caller
> user name is <servername>$. Who or what does (0x0,0x3E7) specify?
>
> [AD domain, win 2003 standard, xp clients]
>
> One of these events was a 'computer account change' that occured at 9:21
> am
> Sunday morning (no one in the building). The only thing it lists is a
> value
> for "password last set". Could this indicate intrusion?



Posted by r. wales on April 4, 2006, 9:33 am
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Thanks Steve. That is kind of what I suspected and I did scour the logs for
suspicious failures, but it is good to get some reinforcement. Would I be
correct is also assuming that caller logon id: (0x0, 0x3E7) is a system ID?

"Steven L Umbach" wrote:

> Most likely it means that the computer account password was changed which is
> done periodically and automatically - around every thirty days I believe if
> a domain controller can be contacted. I would not worry about it. Intrusions
> are more evidence by password failures particularly for administrator
> account. You might find the link below helpful. --- Steve
>
>
http://www.microsoft.com/technet/security/topics/auditingandmonitoring/securitymonitoring/default.mspx
>
> >I have several events that are being logged with caller logon id:
> > (0x0,0x3E7). Target accounts are ususally <computername>$ and the caller
> > user name is <servername>$. Who or what does (0x0,0x3E7) specify?
> >
> > [AD domain, win 2003 standard, xp clients]
> >
> > One of these events was a 'computer account change' that occured at 9:21
> > am
> > Sunday morning (no one in the building). The only thing it lists is a
> > value
> > for "password last set". Could this indicate intrusion?
>
>
>

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