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SID: 2069119 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1May 4, 2026, 12:00 PM

ET PHISHING Observed DNS Query to DeviceCode Phishing Domain (customers-365-login .com)

alert dns $HOME_NET any -> any any (msg:"ET PHISHING Observed DNS Query to DeviceCode Phishing Domain (customers-365-login .com)"; dns.query; dotprefix; content:".customers-365-login.com"; nocase; endswith; classtype:social-engineering; sid:2069119; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_05_04, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_05_04;)

May 4, 2026, 12:00 PM

May 4, 2026, 12:00 PM

May 4, 2026, 8:35 PM

May 14, 2026, 10:34 PM

rules/emerging-phishing.rules