alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL SCAN PING CyberKit 2.2 Windows"; itype:8; content:"|AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA|"; depth:32; reference:arachnids,154; classtype:misc-activity; sid:2100483; rev:6; metadata:created_at 2010_09_23, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)