[VoiceOps] Strange attacks over the weekend

Richard Barnes richard.barnes at gmail.com
Mon Nov 1 12:11:24 EDT 2010

Could you say a little more about what this weird traffic was?  Were
these SIP messages?

On Mon, Nov 1, 2010 at 11:01 AM, J. Oquendo <sil at infiltrated.net> wrote:
> Sorry for the cross posting to two lists, but I thought everyone on both
> lists might benefit from the message(*cough*rambling*)
> So yesterday, I had a honeypot host "open to the world." Not one "block
> this country" rule on the machine. Normally throughout the past months
> I've seen maybe 1 or 2 attacks in parallel, but yesterday was different.
> I butchered up a perl script to block on the fly as opposed to blocking
> out entire countries and was surprised to see I managed to accumulate
> 1600+ hosts. Not *that* big of a deal until I started going through some
> of the logs...
> I'm a bit puzzled because I see hundreds of attacks in parallel
> (literally 100-200 connections from different netblocks at the same
> time) so I'm thinking... "VoIP Based Botnet?"
> Anyhow, still parsing through the wonderful bucketload of logs this
> morning. Anyone else see massive activity begininng 10/31?
> --
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> J. Oquendo
> "It takes 20 years to build a reputation and five minutes to
> ruin it. If you think about that, you'll do things
> differently." - Warren Buffett
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