# These rules are potentially bad ICMP traffic. They include most of the
# ICMP scanning tools and other "BAD" ICMP traffic (Such as redirect host)
#
# Other ICMP rules are included in icmp-info.rules
alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP ISS Pinger"; content:"|495353504e475251|";itype:8;depth:32; reference:arachnids,158; classtype:attempted-recon; sid:465; rev:1;)
alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING CyberKit 2.2 Windows"; content:"|aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|";itype:8;depth:32; reference:arachnids,154; sid:483; classtype:misc-activity; rev:2;)
alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Sniffer Pro/NetXRay network scan"; itype:8; content:"|43696e636f204e6574776f726b2c20496e632e|"; depth:32; sid:484; classtype:misc-activity; rev:2;)
alert icmp any any -> any any (msg:"ICMP Destination Unreachable (Communication Administratively Prohibited)"; itype: 3; icode: 13; sid:485; classtype:misc-activity; rev:2;)
alert icmp any any -> any any (msg:"ICMP Destination Unreachable (Communication with Destination Host is Administratively Prohibited)"; itype: 3; icode: 10; sid:486; classtype:misc-activity; rev:2;)
alert icmp any any -> any any (msg:"ICMP Destination Unreachable (Communication with Destination Network is Administratively Prohibited)"; itype: 3; icode: 9; sid:487; classtype:misc-activity; rev:2;)