Re: Strange Snort Warning: Hello, is anybody home?

[Erek Adams <erek () theadamsfamily net>]

On Wed, 4 Sep 2002, Sandy Biring wrote:

> 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???

Two places to look for answers to questions about snort:

        1)  Google ("Hello, is anybody home?" icmp)
        2)  Mailing list archives.

So...  Answers are:

1)
http://www.google.com/search?client=googlet&q=%22Hello%2C%20is%20anybody%20home%3F%22%20icmp
(Line wraps)

2)  http://marc.theaimsgroup.com/?l=snort-users&m=101975423419431&w=2

Is it something to worry about?  No idea.  You need to check the machine(s)
involved and give them a good going over.

Cheers!

-----
Erek Adams
Nifty-Type-Guy
TheAdamsFamily.Net



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