Versions (4)
Version DetailsCurrent
Rev: 1 • Jun 28, 2024, 12:00 PMET INFO Observed External IP Lookup Domain (ifconfig .es) in TLS SNI
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed External IP Lookup Domain (ifconfig .es) in TLS SNI"; flow:established,to_server; tls.sni; bsize:11; content:"ifconfig.es"; fast_pattern; reference:url,github.com/chubin/awesome-console-services; classtype:external-ip-check; sid:2054164; rev:1; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2024_06_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag External_IP_Lookup, updated_at 2024_06_28, reviewed_at 2024_10_04, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;)
Jun 28, 2024, 12:00 PM
Jun 28, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Feb 16, 2026, 10:35 PM
rules/emerging-info.rules