ET INFO External IP Lookup Domain in DNS Query (checkip .dyndns .org)

SID: 2043238Rev: 113 viewsHistory

Sourceet/open

CreatedJanuary 9, 2023

UpdatedJanuary 9, 2023

Classificationexternal-ip-check

alert dns $HOME_NET any -> any any (msg:"ET INFO External IP Lookup Domain in DNS Query (checkip .dyndns .org)"; dns.query; content:"checkip.dyndns.org"; nocase; bsize:18; classtype:external-ip-check; sid:2043238; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_01_09, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_01_09, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;)

Metadata

attack targetClient_Endpoint

created at2023_01_09

deploymentPerimeter

performance impactLow

confidenceHigh

signature severityInformational

updated at2023_01_09

mitre tactic idTA0007

mitre tactic nameDiscovery

mitre technique idT1614

mitre technique nameSystem_Location_Discovery

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