[Snort-users] Strange Snort Warning: Hello, is anybody home?

Matt Kettler mkettler at ...4108...
Wed Sep 4 16:10:06 EDT 2002


AFAIK these are typical of command packets attempting to discover if the 
machine targeted has the "Q" backdoor/trojan.

Always seen with source IP 255.255.255.255 flowing in.

At 03:41 PM 9/4/2002 -0700, Sandy Biring wrote:
>Snort newbie here ....
>
>I saw this alert in ACID today (9 packets in total):
>
>Source Addr: 255.255.255.255 Dest Addr: 10.0.4.8 Type: (0) Echo Reply
>Code: (0) 0 Checksum: 1276
>Payload:
>
>length = 24
>
>000 : 48 65 6C 6C 6F 2C 20 69 73 20 61 6E 79 62 6F 64   Hello, is anybod
>010 : 79 20 68 6F 6D 65 3F 00                           y home?.
>
>
>
>Another alert shows the same payload, but 10.0.4.8 as the source and the
>destination! (it is a Win2k server)
>
>
>Can anyone tell me what this is, and if its anything to worry about???





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