Security Basics
Possible Malware? Oct 05 2012 04:24PM
Joseph Hargis (jhargis01 googlemail com) (3 replies)
RE: Possible Malware? Oct 05 2012 06:48PM
Cleghorn, Lance A (CLEGHORNL08 students ecu edu) (1 replies)
The keyboard and mouse losing function is odd; however, losing a trust relationship with your domain can be caused by a variety of things.
1. Check your time on the local PC, different time zones and big differences in date or time will kick you off the domain.
2. Check the computer account in AD and see if it is locked out. It may need to be reset.
3. Provisioning, if you use provisioning in your domain it may need to be re-provisioned.

First troubleshooting step to try is bouncing the PC off and on the domain. Add the PC to a workgroup (if you are using win 7 you have to at least type a character in the password prompt) then restart or ipconfig /flushdns and ipconfig /renew and add the PC back to the domain.

If you get an error putting the PC back on the domain then troubleshoot that particular error.

Hope this helps,
Lance Cleghorn, CCNP

-----Original Message-----
From: listbounce (at) securityfocus (dot) com [email concealed] [mailto:listbounce (at) securityfocus (dot) com [email concealed]] On Behalf Of Joseph Hargis
Sent: Friday, October 05, 2012 12:25 PM
To: security-basics (at) securityfocus (dot) com [email concealed]
Subject: Possible Malware?

Hello List,

I have a Windows 7 PC connected to a domain exhibiting the following
behavior:

1. The user logged off the machine to go to lunch. When she returned she was unable to logon and the machine displayed an error stating that the machine had lost the trust relationship with the domain.

2. The local administrator account has been removed from the local administrators group.

3. When the network cable was unplugged, the keyboard and mouse quit functioning.

Admittedly, I'm new to malware hunting. But to me, this behavior is suspicious. Does this ring any bells with anyone?

Thank you,

Joe Hargis

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[ reply ]
Re: Possible Malware? Oct 05 2012 08:16PM
Kurt Buff (kurt buff gmail com) (1 replies)
RE: Possible Malware? Oct 05 2012 11:18PM
Cleghorn, Lance A (CLEGHORNL08 students ecu edu)
Re: Possible Malware? Oct 05 2012 06:30PM
Khaled Zayed (khaled0319 gmail com) (1 replies)
Re: Possible Malware? Oct 05 2012 07:03PM
Kurt Buff (kurt buff gmail com)
Re: Possible Malware? Oct 05 2012 05:15PM
Kurt Buff (kurt buff gmail com)


 

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