alert dns $HOME_NET any -> any any (msg:"ET PHISHING Observed DNS Query to TA450 Domain"; dns.query; dotprefix; content:".microsoftonlines.com"; nocase; endswith; classtype:trojan-activity; sid:2061585; rev:2; metadata:attack_target Client_Endpoint, created_at 2025_03_25, deployment Perimeter, former_category MALWARE, confidence High, signature_severity Major, tag TA450, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_04_16, former_sid 2860884;)