ET INFO Observed External IP Lookup Domain (api .2ip .ua in TLS SNI)

7.0.3 5.0SID: 2033214Rev: 2Enabled2 views

Fileemerging-info.rules

CreatedJuly 1, 2021

UpdatedMarch 25, 2024

Classificationbad-unknown

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed External IP Lookup Domain (api .2ip .ua in TLS SNI)"; flow:established,to_server; tls.sni; bsize:10; content:"api.2ip.ua"; fast_pattern; classtype:bad-unknown; sid:2033214; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_07_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_03_25, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;)

Metadata

attack targetClient_Endpoint

created at2021_07_01

deploymentPerimeter

performance impactLow

confidenceHigh

signature severityInformational

updated at2024_03_25

mitre tactic idTA0007

mitre tactic nameDiscovery

mitre technique idT1614

mitre technique nameSystem_Location_Discovery

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