Rule History

alert dns $HOME_NET any -> any any (msg:"ET PHISHING Observed Phishing Domain in DNS Lookup (microsoftonlinesupport .cf)"; dns.query; dotprefix; content:".microsoftonlinesupport.cf"; nocase; endswith; reference:url,unit42.paloaltonetworks.com/meddler-phishing-attacks/; classtype:social-engineering; sid:2043258; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_10, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_10;)