Versions (3)
Version DetailsCurrent
Rev: 6 • Nov 6, 2015, 12:00 PMET INFO External IP Check (checkip .amazonaws .com)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO External IP Check (checkip .amazonaws .com)"; flow:established,to_server; urilen:1; http.host; content:"checkip.amazonaws.com"; fast_pattern; reference:md5,966301e88d8a43abe1215413bfd48b09; classtype:external-ip-check; sid:2052027; rev:6; metadata:attack_target Client_Endpoint, created_at 2015_11_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_15, reviewed_at 2024_04_15, former_sid 2814787; target:src_ip;)
Nov 6, 2015, 12:00 PM
Apr 15, 2024, 12:00 PM
Apr 16, 2024, 12:00 AM
Aug 12, 2025, 9:34 PM
rules/emerging-info.rules