alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL SCAN webtrends scanner"; icode:0; itype:8; content:"|00 00 00 00|EEEEEEEEEEEE"; reference:arachnids,307; classtype:attempted-recon; sid:2100476; rev:5; metadata:created_at 2010_09_23, signature_severity Informational, updated_at 2019_07_26;)