ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup)
Sourceet/open
CreatedNovember 1, 2016
UpdatedSeptember 15, 2020
Classificationexternal-ip-check
alert dns $HOME_NET any -> any any (msg:"ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup)"; dns.query; content:"myip.opendns.com"; nocase; endswith; classtype:external-ip-check; sid:2023472; rev:7; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_11_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag IP_address_lookup_website, updated_at 2020_09_15, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2016_11_01
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagIP_address_lookup_website
updated at2020_09_15
mitre tactic idTA0007
mitre tactic nameDiscovery
mitre technique idT1614
mitre technique nameSystem_Location_Discovery
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