ET HUNTING Observed DNS Query to Fake Updates/Login Domain (security-check-...)
Sourceet/open
CreatedMay 9, 2025
UpdatedMay 9, 2025
Classificationmisc-activity
alert dns $HOME_NET any -> any any (msg:"ET HUNTING Observed DNS Query to Fake Updates/Login Domain (security-check-...)"; dns.query; content:"security-check-"; nocase; startswith; reference:url,urlscan.io/search/#page.domain%3A*security-check-*%20AND%20page.status%3A200; classtype:misc-activity; sid:2062221; rev:1; metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2025_05_09, deployment Perimeter, confidence Medium, signature_severity Informational, updated_at 2025_05_09; target:src_ip;)
Metadata
attack targetClient_Endpoint
tls stateplaintext
created at2025_05_09
deploymentPerimeter
confidenceMedium
signature severityInformational
updated at2025_05_09
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