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incidents-help_at_securityfocus.com
Date: Mon Jul 22 2002 - 14:47:34 CDT
Hi! This is the ezmlm program. I'm managing the
incidents
securityfocus.com mailing list.
I'm working for my owner, who can be reached
at incidents-owner
securityfocus.com.
Messages to you from the incidents mailing list seem to
have been bouncing. I've attached a copy of the first bounce
message I received.
If this message bounces too, I will send you a probe. If the probe bounces,
I will remove your address from the incidents mailing list,
without further notice.
I've kept a list of which messages from the incidents mailing list have
bounced from your address.
Copies of these messages may be in the archive.
To retrieve a set of messages 123-145 (a maximum of 100 per request),
send an empty message to:
<incidents-get.123_145
securityfocus.com>
To receive a subject and author list for the last 100 or so messages,
send an empty message to:
<incidents-index
securityfocus.com>
Here are the message numbers:
3679
3690
3681
3686
3688
3689
3685
3692
3680
3691
3687
3684
3682
3683
3698
3694
3697
3693
3695
3696
3699
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3707
3711
3709
3710
3712
3713
3714
3715
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3726
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3729
3728
3730
3732
3731
3733
3734
3735
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3741
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3743
3744
--- Enclosed is a copy of the bounce message I received.
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Received: (qmail 25799 invoked from network); 10 Jul 2002 21:54:19 -0000
From: "Matt Andreko" <mandreko
ori.net>
To: <incidents
securityfocus.com>
Subject: Can anyone identify this backdoor?
Date: Wed, 10 Jul 2002 16:58:06 -0500
Message-ID: <026601c2285c$df572dd0$173625d8
ori.net>
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Apparently over the holiday, one of my client's machines was broken
into. It was running Windows 2000 Pro, with IIS installed (webserver
only, no ftp,smtp..) Apparently the attacker got in through this. The
logs show some Unicode in the requests, so I'd bet that's it.
A file was deposited in the c:\winnt\system32\ folder named "cc.exe". I
have studied it a little bit, and it seems quite interesting. It's
actually a winrar self-executable file. Inside contains what I believe
a stripped down copy of serv-u ftp server, messages for that server, and
some other interesting tools. There's a cmd.exe file, which doesn't
match the size of the one in c:\winnt\system32, so it could be
backdoored.
I was basically wondering if anyone had seen anything like it, or could
identify it. I have put a copy up temporarily on my webserver at
http://www.criminalsmostly.com/~mandreko/cc.zip
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