ET INFO Observed External IP Lookup Domain (get-my-ip-v6 .ddns .softether-network .net in TLS SNI)
Sourceet/open
CreatedMarch 13, 2026
UpdatedMarch 13, 2026
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed External IP Lookup Domain (get-my-ip-v6 .ddns .softether-network .net in TLS SNI)"; flow:established,to_server; tls.sni; bsize:39; content:"get-my-ip-v6.ddns.softether-network.net"; fast_pattern; classtype:misc-activity; sid:2068197; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2026_03_13, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2026_03_13, mitre_tactic_id TA0043, mitre_tactic_name Reconnaissance, mitre_technique_id T1590, mitre_technique_name Gather_Victim_Network_Information;)
Metadata
affected productAny
attack targetClient_and_Server
created at2026_03_13
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
updated at2026_03_13
mitre tactic idTA0043
mitre tactic nameReconnaissance
mitre technique idT1590
mitre technique nameGather_Victim_Network_Information
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