Rule History

alert dns $HOME_NET any -> any any (msg:"ET PHISHING Office 365 Credential Harvesting Domain (rightofcourse .com) in DNS Lookup"; dns.query; content:"rightofcourse.com"; nocase; bsize:17; reference:url,infosec.exchange/@rmceoin/109604157428550003; classtype:social-engineering; sid:2043175; rev:2; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2023_01_03, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_10;)