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From: Johannes B. Ullrich (jullrich
sans.org)Date: Tue Feb 12 2002 - 12:09:03 CST
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Hm. I had somebody report similar traffic to dshield.org last week.
Some new toy? But in his case, it was actually directed at a web
server. Otherwise, the request was 'http://%s.%b/,HEAD'... exactly
like that.
> Hi folks,
> Has anyone seen a request like this before ? It's either a l33t0 trick
> or some seriously broken code; since I've never seen this sequence before I
> was curious of anyone else has. This hit an sshd listening on port 80 btw,
> source IP obviously changed ;-)
>
> Cheers.
>
> Feb 8 06:41:55 wulfgar sshd[7582]: Connection from 1.2.3.4 port 1787
> Feb 8 06:41:55 wulfgar sshd[7582]: Bad protocol version identification
> 'http://%a:%p/,HEAD /' from 1.2.3.4
> Feb 8 06:45:36 wulfgar sshd[7583]: Connection from 1.2.3.4 port 2281
> Feb 8 06:45:36 wulfgar sshd[7584]: Connection from 1.2.3.4 port 2282
> Feb 8 06:45:51 wulfgar sshd[7584]: Bad protocol version identification ''
> from
> 1.2.3.4
> Feb 8 06:55:41 wulfgar sshd[7583]: fatal: Timeout before authentication for
> 1.2.3.4
>
>
>
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- --
- -------
jullrich
sans.org Join http://www.DShield.org
Distributed Intrusion Detection System
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