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SID: 2010641 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 3Jul 30, 2010, 12:00 PM

ET 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