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We got hit with this tonight. http://securityresponse.symantec.com/avcenter/venc/data/w32.welchia.worm.html
Symptoms of infection were severe degredation in internet connection speed. Had difficulty looking at firewall logs because it was logging so much it was degrading the disk i/o writing so many drops to the log. Packet captures from the firewall showed 80% of traffic was ICMP requests.
This #@#@# worm is supposedly "helpful" but it brought down our internet access - which is where all our e-commerce flows through ... :fire:
Symptoms of infection were severe degredation in internet connection speed. Had difficulty looking at firewall logs because it was logging so much it was degrading the disk i/o writing so many drops to the log. Packet captures from the firewall showed 80% of traffic was ICMP requests.
This #@#@# worm is supposedly "helpful" but it brought down our internet access - which is where all our e-commerce flows through ... :fire: