[Dshield] Extreme increase in spam attempts... any one else seeing similar event?

Ulf Bahrenfuss Ulf.Bahrenfuss at talkline.de
Thu Aug 23 07:35:40 GMT 2007


Hi Chris!

I concur that something is brewing out there.

The last two weeks we had a drastic decrease in attempted spamming. We
went to an all time low of 25 spams per Minute in a 24h average with
almost no peaks. But that seemed like the receeding of the water when
the tsunami comes.
Since Monday (20th of August) we see an increase. The inspam is now at
above 70 per minute for the last 24 hours (normal load) and we are at
about 400 per minute for the last 6 hours and we are awaiting more. The
load is not evenly distributed. The attempts come in short hard bursts.

As our preemptive filters at the front are to be fast, we do not
distinguish between spam and Trojan virus attempts, but all seems to
point to another rise of the bot armies trying to infect new systems.

And in another note: Signal to Noice ratio dropped through the floor. We
are now trying to get to above 1% Signal :D

All hands brace for impact ;-)

Ulf

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