Versions (5)
Version DetailsCurrent
Rev: 3 • Jul 30, 2010, 12:00 PMET SCAN ICMP @hello request Likely Precursor to Scan
alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SCAN ICMP @hello request Likely Precursor to Scan"; itype:8; icode:0; content:"@hello ???"; classtype:misc-activity; sid:2010641; rev:3; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Jul 30, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 6, 2025, 4:34 PM
rules/emerging-scan.rules